четверг, августа 15, 2019

Mapping Earthquake Scenarios


The LA Times has released an interactive map which allows you to visualize a number of different earthquake scenarios on top of any California location. To create the map the newspaper worked with the U.S. Geological Survey to identify 14 different significant earthquake scenarios which could strike along California's fault lines.

If you enter a California address into the What would a powerful earthquake feel like where you live? interactive map you can view the likely effect of an earthquake at your address. The map is colored to show the extent of shaking that could be felt around the epicenter of a quake. The map also provides an assessment of the cost of the possible damage, the number of lives which could be lost and the number of non-fatal injuries.

The map shows the worst of the 14 scenarios for your address. This isn't necessarily the worst earthquake which could happen. The USGS has actually modeled 300 scenarios for the California area. For reasons of speed the LA Times map only uses 14 of these scenarios.


The OpenQuake Map Viewer provides free and open-source visualizations of global earthquake hazards. Each of the Map Viewer visualizations uses the OpenQuake engine, a seismic hazard and risk calculation software, to show seismic risks & hazards and seismic exposure around the world,

Currently the OpenQuake Map Viewer provides three separate interactive Leaflet powered maps: the Global Seismic Hazard Map, the Seismic Risk Map and the Global Exposure Map. The Global Seismic Hazard Map shows the potential for seismic activity based on hazard and risk calculation models. The Seismic Risk Map visualizes the average annual cost of seismic activity around the world. The Global Exposure Map is a visualization of the built areas of the world.

The Global Seismic Risk Map can provide individual country seismic risk assessments. Click on a country on the Risk Map and you can view details on the annual cost of seismic activity for residential buildings, commercial buildings and  industrial buildings. You can also download the full OpenQuake profile for any country.

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