Topic Media - Archived

Where are the Earthquakes today?

Description

World earthquake map

Caption

This image shows the most recent seismic activity across the globe. Each circle represents an earthquake, with larger circles indicating stronger quakes. The magnitudes are given by the logarithmic Richter scale. The color signifies how long ago the earthquake occurred, from red (less than one day old) to yellow (two weeks old). Also represented on the image are the sites of earthquakes that occured more than two weeks ago but less than five years ago (the purple dots) and the seismic stations (the triangles).

Credit

Incorporated Research Institutions for Seismology

Topic Filename Media Filename

latest/090901_qquakes.top

latest/topMap.eveday.gif

Source URL Media - Source

http://www.iris.edu/seismon/views/eveday/imgs/topMap.eveday.gif

More Info URL

http://www.iris.edu/seismon/