Plot of cumulative earthquakes at Yellowstone in Apr. of 2004.

Plot of cumulative earthquakes at Yellowstone in April of 2004....

Detailed Description

The April 2004 swarm included about 400 events over the period of three days. On April 14th there were over 200 events. The red line shows the cumulative number of earthquakes over the one-month period.

Details

Image Dimensions: 488 x 185