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Mammoth Mountain volcano, California, USA: news & activity updates

Updated: Jun 28, 2022 11:37 GMT -
Tue, 11 Feb 2014, 20:10
Location of recent earthquakes near Mammoth Mountain (CA)
An small earthquake swarm at shallow depths (around 5 km) occurred east of Mammoth Mountain during the past week. The largest quake was a magnitude 3.0 event on 5 Feb. Read all
Sun, 3 Feb 2013, 15:13
Map of recent quakes near Mammoth Mountain
Small earthquakes continue beneath and (mostly) immediately to the SE of Mammoth Mountain in the Sierra Nevada range.
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