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First slide — Country:China Extent:3000km²

Earthquake in China

Earthquake

On December 18, 2023, a 6.2-magnitude earthquake hit Jishishan county in Linxia, Gansu Province, with a focal depth of 10 km and shockwaves were felt in Lanzhou, the Gansu provincial capital, about 1,450 kilometers (900 miles) southwest of the capital of Beijing.

At least 111 deaths have been reported so far, including 100 in Jishishan County, Gansu Province, and 11 in Minhe County, Qinghai Province and more than 500 injured. Thousands of houses have been reported damaged, and public infrastructure has been damaged to varying degrees.

The National Commission for Disaster Prevention and Reduction and the Ministry of Emergency Management have upgraded the national emergency response to level II. The quake is the deadliest earthquake in China since the 2010 Yushu quake hit Gansu and Qinghai, which measured 6.9 and killed at least 2,698 people.

+Info (go to activation web page)

Last update Friday, December 29, 2023, 06:09 AM

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Resolution

Sensor

Satellite

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Beijing-2 11

BKA 4

CBERS4 1

GF1 7

GF2 9

KANOPUS_V 9

KANOPUS_V_IK 1

KhalifaSat 1

KOMPSAT3 6

KOMPSAT3A 3

LANDSAT8 10

LANDSAT9 8

OHS-2B 4

OVS-2A 1

PLEIADES_1B 1

SENTINEL_1A 6

TANDEM_X 1

TERRASAR_X 1

Family

Select all

Beijing-2 11

BKA 4

CBERS4 1

GF1 7

GF2 9

KANOPUS_V 9

KANOPUS_V_IK 1

KhalifaSat 1

KOMPSAT3 6

KOMPSAT3A 3

LANDSAT8 10

LANDSAT9 8

OHS-2 4

OVS-2 1

PLEIADES 1

SENTINEL_1 6

TERRASAR_X 2

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thumbnail — KANOPUS_V

MSS_PSS

Dec 29, 2023, 04:20 AM

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Remote sensing monitoring map of tent distributionin the northwest of Jishishan County, Gansu Province

Building Damage in Jishishan County

Building Damage in Dahejia Town, Jishishan County

Post-disaster Temporary Resettlement in Meipo Village, Dahejia Town

Post-disaster Temporary Resettlement in Meipo Village, Dahejia Town(2)

People's Republic of China – Dahejia, Impact map

All

100 Landslide

87 Earthquake

27 Oil spill

465 Flood

45 Volcanic eruption

145 Cyclone

64 Fire

75 Other

7 Ocean wave

2 Snow

Nov'00 Apr'24

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Charter Geobrowser Tool

v2.2.4

Release notes

-----------------------------
v2.2.4 - 02/11/2023
-----------------------------

* Changes

	- CGT is now compatible with MySQL v8.x.x

-----------------------------
v2.2.3 - 02/10/2023
-----------------------------

* Changes

	- New "explosive event" disaster type


-----------------------------
v2.2.2 - 13/07/2023
-----------------------------

* Changes

	- New algorithm to simplify footprints containin huge number of coordinates

* Fixes

	- Footprint column in the database changed to "mediumtext" type to allow large geometries


-----------------------------
v2.2.0 - 15/09/2022
-----------------------------

* Changes

	- New contact/support form
	- New RSS endpoints
	- New subscriptions to activations
	- Captcha validation
	
* Fixes

	- Filtering by selected geometry on the map was not working
	- Various bugs while switching between languages
	- Zoom to geometries crossing the dateline 
	- Fixed footprints crossing dateLine / greenwichLine


-----------------------------
v2.1.4 - 16/09/2021
-----------------------------
    
* ICD 1.15

    - HTTP DELETE verb is now allowed for acquisitions ingestions

* Fixes

    - Activations with multiple calls with the same disaster type are no longer considered as "multiple"
    - Fixed missing latitude in circle areas when editing a disaster
    - Fixed missing translations when editing a disaster



-----------------------------
v2.1.3 - 13/08/2021
-----------------------------
    
* Improvements

    - Improved free-text search performance
    - Improved search UX when no results are returned

* Fixes

    - Fixed missing thumbnails in the map tooltips
    - Fixed translation bug in the disaster types
    - Fixed longitud/latitude decimals validation issue
    - Fixed error while saving changes of a disaster



-----------------------------
v2.1.2 - 16/03/2021
-----------------------------

* Improvements

    - Matomo URL is now configurable
    - Improved configuration edition interface for the quicklooks correction algorithm   

* Fixes

    - Fixed activation number bug on ingestion
    - Fixed coordinates indicator on mouse move    



-----------------------------
v2.1.1 - 23/02/2021
-----------------------------

* Changes:

    - Included all changes and fixes made for v2.0.*



-----------------------------
v2.1.0 - 11/02/2021
-----------------------------

* Changes:

    - Entity Framework along with all the dependant libraries have been completely removed
    - A new data access layer has been implemented
    - Database structure (tables, columns, constraints, etc.) has been completely redesigned

* Improvements

    - Transactions and connections management have been optimized
    - All database CRUD operations have been optimized
    - Advanced search multiselection filters have been improved



-----------------------------
v2.0.3 - 05/02/2021
-----------------------------

* Changes:

    - Home controller now accepts HEAD requests

* Fixes:

    - Fixed Logs view
    - Fixed Activities load-on-scroll



-----------------------------
v2.0.2 - 01/02/2021
-----------------------------

* Switching maps

    - Added buttons for switching between Google Maps, Bing, and OpenStreetMap
    - Added functionality to auto-detect Google Maps availability
    - Added maps copyright information

* Changes:

    - Map drawing in "Advanced search" now uses a north-oriented rectangle
    - Search results now affect directly the visible disasters on the map
    - Fire icon now uses a darker color
    - Increased search results container height
    - "family" filter has been removed from search
    - Multiple disasters now show the individual disaster types in the disaster tooltip
    - Preview of the value added products has been removed and replaced by a download button.
    - Disaster icon has been moved to the bottom layer

* Fixes:

    - Fixed header and popups for mobile 
    - Fixed Activities load-on-scroll
    - Fixed acquisitions filtering issues



-----------------------------
v2.0.0 - 04/12/2020
-----------------------------

* ICD 1.15:

    - Added "isClosed" field to disasters
    - Added "footprint" field to value added products

* Changes:

    - CesiumJs has been replaced by OpenLayers v6.4.3
    - Matomo Analytics has been added
    - Application styling has been adapted to look like already existing COS applications
    - It is now possible to filter acquisitions by satellite family    
    - "Onlny active calls" filter has been added to the advanced search
    - Some products will now display a footprint on the map
    - Norad catalog management has been removed

* Improvements

    - Information and search panes have been merged into one single pane
    - All images are now lazy-loaded
    - The entire application layout has been redesigned to be responsive
    - Every satellite information is now centralised into a single configuration service
    - Advanced search now allows multiselection
    - Datetime range control has been improved
    - Administration panel home page has been redesigned and new statistics have been added
    - Map tooltips have been redesigned to be interactive both for disasters and acquisitions



-----------------------------
v1.5.4 - 20/07/2020
-----------------------------

* ICD 1.14:

    - Added "isDeleted" field to value added products
    - If a value added product is received with "isDeleted" flag set to "true" it will be deleted from the database

* Fixes:

    - Database was throwing a timeout exception after a group of requests was received in a short period of time



-----------------------------
v1.5.3 - 03/06/2020
-----------------------------

* Fixes:

    - Acquisition's filter was not being applied correctly to all thumbnails
    - Thumbnails' descriptions kept visible even when the filters were applied
    - Logout redirected to an invalid URL in some cases
    - Norad catalog URL from Celestrak was unreachable due to required TLS 1.2 version
    - XML controller was throwing a timeout exception after receiving a few concurrent requests

* Improvements

    - Quicklook transformations directly over the map
    - Convert to transparent black margins of quicklooks
    - Acquisition's filter now allows filtering by satellite
    - Acquisition panel now has two browsing buttons to display prev/next acquisition
    - CSS style improvements
    - Cesium v1.71



-----------------------------
v1.5.2 - 28/04/2020
-----------------------------

* Fixes:
    
    - Map was not being displayed on Firefox
    - When displayed over the map, quicklook images seem to be duplicated
    - The "info" link on disaster's panel has no URL defined

* CSS style improvements



-----------------------------
v1.5.1 - 22/01/2020
-----------------------------

* ICD 1.13:

    - "source", "copyright" and "acquisitionDate" fields have been removed from VAD structure
    - "sources" field has been added instead; this could contain a collection of the new following types:
    - New common type "otherVapSourceType":
        - description
        - acquisitionDate
        - copyright

    - New common type "cos2VapSourceType" (extends "otherVapSourceType"):
        - "agency"
        - "identifier"

    - New common type "externalVapSourceType" (extends "otherVapSourceType"):
        - "agency"
        - "satellite"
        - "instrument"
        - "mode"

* Value Added Products:

    - The product display pannel has been redesigned to support the new VAD structure with multiple sources
    - The product edition page has been also redesigned for the same reason
    - A new button has been added to the home page of the administration panel to migrate all the previous VAD records to the new structure
    - The XML ingestion process has been updated to validate and support the new structure

* Fixes:

    - Absolute URLs were not being displayed in the client



-----------------------------
v1.5.0 - 08/01/2020
-----------------------------

* Norad Catalog Number

    - A new field has been included in the acquisitions table for the Norad Catalog Number .
    - The acquisition edition form has been updated to include this new field.
    - It is now possible to search by this field from the advanced search panel as a free text.
    - A new section has been added to the administration panel with the following functionalities:
        - Auto-assign catalog numbers to the acquisition records 
        - Reload Norad catalog from Celestrak source
        - Download catalog in JSON, XML and CSV formats
        - Search by satellite name or catalog number

* Acquisition Image Transformations

    - A new button has been added on the quicklook panel of the acquisition edition form that will bring up a dialog 
        from where it will be possible to perform the following transformations:

        - Flip vertically / horizontally
        - Rotate 90º / -90º
        - Rectify
        - Rollback

* Ingestion service 
    
    - In the case of the acquisitions, the satellite name will be auto-assigned if the Norad catalog number has been filled.
    - This service now produces a separate log file in case of some error is found
    - A new endpoint (/en/admin/logs/ingestion/send-email) has been added to send a report email containing the evetual errors produced. 
        For this to work properly, a cron job has to be defined on the server to invoke this endpoint with a certain frequency (i.e. daily).
    - A new section has been added to the administration panel with the following functionalities:
        - Search logs by content
        - Configuration of the daily email settings  

* Map:

    - Cesium updated to version 1.64      

* Style improvements



-----------------------------
v1.4.4b - 06/Sep/2019
-----------------------------	

* ICD 1.12:

    - Region field has been removed
    - Multiple countries allowed
    - Norad Catalog Number field allowed

* Ingestion service

	- Changes have been made to support a collection of countries (currently limited to 2)
	
* Disaster Panel

	- The interface has been modified to remove region field and to support multiple countries
	
* Disaster Administration 

	- The interface has been modified to remove region field and to support multiple selection of countries



-----------------------------
v1.4.3 - 24/Sep/2018
-----------------------------

* Issues:

    - Fixed issue CGT-051 (quicklook/thumbnail for some acquisitions are not displayed)



-----------------------------
v1.4.2 - 05/Sep/2018
-----------------------------

* Issues:

    - Fixed rectification algorithm not processing some KML cases



-----------------------------
v1.4.1 - 23/Aug/2018
-----------------------------

* Issues:

    - Fixed rectification algorithm affecting also acquisitions for satellites that are not included in the configured list



-----------------------------
v1.4.0 - 13/Aug/2018
-----------------------------

* Issues:

    - Fixed issue CGT-047 (acquisition not rectified for Sentinel-1 and other satellites)
    - Fixed issue CGT-049 (minus key not working in Lat/Long input fields of acquistion edit form)
    - Fixed issue CGT-050 (forced case insensitiveness for 'Identifier' field of acquisition and VAP records)



-----------------------------
v1.3.3 - 12/Apr/2018
-----------------------------

* Issues:

    - Fixed issue CGT-043 (missing 3d model for Sentinel-1B)
    - Fixed issue CGT-044 (acquisition list does not scroll to the bottom in Firefox)
    - Fixed issue CGT-045 (the PDF viewer for value added products does not show correctly in Firefox)



-----------------------------
v1.3.2 - 24/Jan/2018
-----------------------------

* Issues:

    - Fixed issue CGT-041 (language selection button does not let the user change the current language)



-----------------------------
v1.3.1 - 18/Jan/2018
-----------------------------

* Issues:

    - Fixed issue CGT-040 (processing disaters with only circular AoIs, CGT generates a warning)



-----------------------------
v1.3.0 - 16/Jan/2018
-----------------------------

* Improvements:

    - Disaster description / image, when empty, are inherited from sibling calls (CGT-020)
    - Added support for activation selection in HTTP addressing scheme
    - Added support for WYSIWYG text-boxes in CGT edition panels
    - Boosted activation list retrieval performance

* ICD 1.11:

    - added PM Email Address field to XML schema



-----------------------------
v1.2.0 - 13/Dec/2017
-----------------------------

* Issues:

    - Fixed issue CGT-038 (quicklook not showing with polygonal footprint)
    - Fixed issue CGT-031 (deadlock situation caused by the selection of a disaster with an invalid rectangular area)
    - Fixed issue CGT-021 (editing the satellite name leads to quicklook/thumbnail loss)
    - Fixex issue CGT-016 (changed tooltip for crosshair icon)



-----------------------------
v1.1.1 - 13/Oct/2017
-----------------------------

* ICD:

    - Accepted values for acquisitions resolution field: VLR, LR, MR, HR, VHR
    - Accepted values for acquisitions sensor type field: O, R

* Data update:

    - Existing data has been updated with the new ICD supported values along with the corresponding translation



-----------------------------
v1.1.0 - 04/Oct/2017
-----------------------------

* Edit:

    - It is now possible to add new Acquisitions and Products from the disaster panel.
    - A multilingual support has been added for Disasters and Products allowing to edit text content using the available languages.
    - Some bugs have been corrected.

* Products:

    - Now an image is displayed when a product preview is set to private or when its link is broken instead of an error page.

* About panel:

    - Clicking on the product version will pop up the About panel.
    - The logos of the About panel are now linked to the corresponding web sites.

* Server:

    - Implemented ICD 1.9

        = Removed string length limits
        = Implemented HTTP codes 260 and 460 for Warnings and Errors
        = Added HTTP response strings with details on Warnings and Errors

    - Multi-lingual strings support via Translations table



-----------------------------
v1.0.0 - 01/Sep/2017
-----------------------------

* Acquisitions:

    - It is now possible to display the acquisition image over the acquisition footprint on the map.
    - Now a floating button gets displayed when hovering an acquisition thumbnail allowing the user to "fly" to the acquisition's location.

* Search:

    - The precision of the coordinates of a selected area have been reduced.
    - A bug when the user defined more than one area over the map has been corrected.
    - A badge has been added over each disaster type icon indicating  how many disasters of that type are displayed on the map.

* Edit:

    - Resolved a bug with decimal values on latitude and longitude fields



-----------------------------
v0.1.7 - 25/Aug/2017
-----------------------------

* Data ingestion:

    - Validations for SSL certificates and KML files are now configurable.

New log entries have been added



-----------------------------
v0.1.6 - 17/Aug/2017
-----------------------------

* Map:

    - Cesium updated to version 1.36

    - Now the different maps are downloaded without indicating the protocol (http / https) in order to avoid security restrictions from the browsers.

* Search:

    - "ALL" button now behaves as a switch allowing to enable or disable all disaster types.

    - Search panel can be shown either from the top left handle or from the bottom rounded box of current selected filters.

* Edit disaster / acquisition:

    - It is now allowed to edit KML content directly inside the textarea control.

    - A new button has been added under the KML textarea to download its content as a KML file.



-----------------------------
v0.1.5 - 08/Aug/2017
-----------------------------

* Disaster display:

    - Icons over the map are now displaying Activations instead of Calls.

    - When an Activation is connected with more than a single call and these calls do not share the same disaster type,
        then a generic disaster icon is displayed.

    - When an Activation is associated with a single call or with multiple calls of the same tipe, then the specific
        icon for that type will be displayed.
            
* Disasters:

    - One call can now have defined more than one type of disaster.

    - It is now possible to set more than one different type of area (KML, circles, rectangle) for one call.

    - More than one type of disaster can be set for a certain call.

* Acquisitions:

    - A more detailed tooltip is shown when hovering an acquisition from the acquisitions list of the disaster pane.

* Products:

    - Hyperlink for value added products now can be set as private.

* Satellites:

    - New satellite images have been added.

* Search:

    - "Date From" and "Date To" datepickers have been added in order to perform a date filtering with day granularity.

    - Search pane is now displayed by using a handle on the left border of the screen.

* Users:

    - The password strength policy has been enhanced with the following requirements:
        - Minimum length of 8 characters
        - Have mixed letter case
        - Contain at least one numerical character



-----------------------------
v0.1.4 - 20/Jul/2017
-----------------------------

* Cache:

    - Cached lists containing acquisitions information (such as satellites, sensors, etc.) will now be automatically
        refreshed after a new acquisition is received.

* Areas:

    - The period in which an area remains private for casual users is now configurable.
    
    - The KML files can now contain <Placemark> elements that will indicate the priority of the area.

* Disasters:

    - The disaster type names are now the same as the ones used in the CNES Charter demo tool.

* Acquisitions:

    - The following lists are now data-driven: Satellites, Sensors, SensorModes, SensorTypes, Resolutions:



-----------------------------
v0.1.3 - 14/Jun/2017
-----------------------------

* Fortify corrections



-----------------------------
v0.1.2 - 30/May/2017
-----------------------------

* Search:

    - Several bugs have been corrected.

    - Now the panel gets auto hidden when a search result is clicked.

    - Comboboxes now display a scrollbar when the content list is too long.

    - A list of activations is displayed as a result instead of only calls. Now the calls are shown as indented content under the activation items.

* Products:

    - Panel display style has been corrected.

* Edit:

    - New information labels have been added to show the user what coordinate format is being used.

* Users:

    - Blocked users are now indicated with a red closed lockpad.



-----------------------------
v0.1.1 - 24/May/2017
-----------------------------

* Search:

    - Search box and filter box have been merged into a new panel allowing 
        the user to keep filtering as it was done before as well as performing
        an advanced search all from the same place.

    - By holding down 'Alt' key and dragging the mouse over the map it is now
        possible to define a geographic area to search.

    - "Next month" has been included in time filter so it shows a +1 month from the current date.

    - Search results now display "Activation Id" with the format "ACT-N".

* Disasters:    
   
    - It is now possible to define the Area as a rectangle as well as a collection of circles without using KML files.   

    - "Name" and "Description" tags are now allowed when a KML area is defined 
        (if present, they will be displayed as a tooltip when hovering it [red shapes]).

    - A warning message will be displayed when a user tries to change the "Activation Id" value.

* Acquisitions and Value-added Products:

    - The display windows for both elements have been reduced from fullscreen 
        into a popup panel.

* Acquisitions:

    - A number of satellite images have been added.

    - It is now possible to define the Footprint as a polygon without using KML files.

    - "Sensor type" field has been added.

    - It is now possible to filter by "sensor type" from the acquisitions tab of the disaster pane.

* Map tooltips:

    - When hovering a clustered billboard the tooltip will show a detailed information of all
        disasters that have been clustered grouping them by activation.

    - Now a tooltip will be displayed when hovering a disaster area. If the area was defined by a KML
        file it will also display "Name" and/or "Description" values;

* Administration Panel

    - A "Clear cache" button has been added. It will clear the static data 
        (such as translations, satellites, sensors, etc...) letting the application to
        automatically reload it using fresh data.

    - A different color is now used in the "Users list" section to display "block/unblock" buttons.



-----------------------------
v0.0.7b
-----------------------------

* Search:

    - Search by activation as well as by description
    - Results are affected by current time & type filters 

* Products:

    - Auto preview content
    - Icon changes depending on the file type

* Administration Panel:

    - Included a "Home button"
    - Amount of items in lists of "Summary" section are configurable
    - "Logs" section

* Users:

    - Now a message is displayed after an invalid login attempt
            
* Activity:

    - Added filters by date and free text

* Map:

    - Zoom out when current disaster becomes hidden by any filter

Search mode: Select an activation or press "Reset" button

Activation-855 -Earthquake in China

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