Idaho Seismic Swarm Spreads Over 400 Km²
Posted by feww on September 6, 2017
GPSC-209W
M4.5 Strikes SE of Soda Springs
A swarm of at least 155 earthquakes have now struck near Soda Springs, Idaho, spreading over an area of about 400 km² (~ 155 squared miles) since September 2, 2017.
The largest event measured 4.5 mwr, striking 42.612°N, 111.523°W at a depth of 5.8 km, USGS reported.
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