The users location is anonymously used by the EMSC. Learn more about the EMSC earthquake detection system. To locate the earthquake without running any analysis on seismic data, the EMSC needs: - the IP address of the website visitors - the mobile phone location of the mobile website visitors - the location of LastQuake app users - a descriptive location in the user's twitter profile These three methods are complementary and allow the EMSC to detect an earthquake within 15–120 s from the earthquake’s onset without analyzing seismic signals.
This rapid convergence of people looking for information produces: - a massive increase of traffic to the EMSC website - concomitant launches of LastQuake mobile app - a surge in the number of tweets containing the keyword “earthquake” in various languages. When people experience a sudden tremor, they immediately consult the internet (social networks, blogs, news, etc) and search for information about the shaking they just felt. These four platforms are closely and continuously monitored by the EMSC staff. The EMSC information system is composed of: - a classic website - a website for mobile devices - a mobile application, called LastQuake - a Twitter quakebot Seismological Institutes around the world.Īt the same time, EMSC can also detect seismic events using crowdsourced systems* with earthquake witnesses becoming real-time seismic sensors. Note that the permission for localisation within the mobile site will be asked when loading ore refreshing the home page or when submitting your comment.ĮMSC gathers seismic locations contributed by more than 150 Note that the permission for localisation within the mobile site will be asked when loading or refreshing the home page, or when submitting your comment. Tap the app and select the appropriate option for allowing access to Location Services Scroll down to find your browser application (Safari or another)Ĥ. Make sure that Location Services is on.ģ. Go to Settings > Privacy > Location Services.Ģ. In the application information, check 'Permissions' to make sure that 'Location' is 'Allowed'.ġ. Select your browser application from the application list.ģ. please go to the 'Application Management' or 'Application Manager' of your mobile device (via the ‘Settings’ menu).Ģ. Then, make sure your location is activated wihtin your browser application:ġ. (this can be done via the setting menu as well). If 'Location' is off, just tap the 'Location' icon to activate it The geolocation used by our notification service is your geolocation from the last time you opened the LastQuake app.įirst, swipe down your mobile device from the top of the screen to open the notification panel. Please send only images that you shoot yourself. effects on landscapes (landslides, liquefactions, ground's failures.).damage within its context (buildings, bridges, roads.We are looking for pictures about earthquakes’s impacts: The icon can be associated to any of the above colors. Tsunami Information or Tsunami Warning issued by the Pacific Tsunami Warning Center. Damage to be expected at short epicentral distances and/or for sub-standard buildings.Įarthquake not known to be felt and Tsunami Information issued by the Pacific Tsunami Warning Center (PTWC).Įarthquake not known to be felt and Tsunami Warning issued by the Pacific Tsunami Warning Center (PTWC). Major felt earthquake and strong shaking level. Possibility of local and/or minor damage. Widely felt earthquake with strong local shaking. No damage expected.Įarthquake felt at larger distances. No location and no magnitude yet.Įarthquake felt locally and/or low shaking level. The earthquakes in the LastQuake app are categorized by color:įelt earthquake.
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