Earthquake swarms not just clustered around volcanoes, geothermal regions

An earthquake swarm – a steady drumbeat of moderate, related seismic events – over hours or days, often can be observed near a volcano such as Mount St. Helens in Washington state or in a geothermal region such as Yellowstone National Park in Wyoming.

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<p><a href="http://www.physorg.com/news81005643.html">Earthquake swarms not just clustered around volcanoes, geothermal regions</a></p> <p>An earthquake swarm – a steady drumbeat of moderate, related seismic events – over hours or days, often can be observed near a volcano such as Mount St. Helens in Washington state or in a geothermal region such as Yellowstone National Park in Wyoming.</p>