Earthquakes

Magnitude 5+ Earthquakes – Global

5.3 Earthquake hits eastern New Guinea, Papua New Guinea.

5.1 Earthquake hits Kepulauan Talaud, Indonesia.

5.0 Earthquake hits central Alaska.

5.0 Earthquake hits Catanduanes in the Philippines.

Mammoth earthquake swarm – California

More than 600 small earthquakes have rattled the Mammoth Lakes region in less than 36 hours as ripple effects continued across one of the most seismically active volcanic regions in California, according to the U.S. Geological Survey.

The swarm of quakes — ranging from magnitude 1.0 to 3.8 — began just before 5 a.m. Thursday. Earthquake swarms are not uncommon to this region in California’s Eastern Sierra. Countless small faults crisscross the area known as the Long Valley Caldera, Shelly said. This roughly 20-mile-wide crater-like depression, adjacent to Mammoth Mountain, was formed from ash and pumice deposits during a volcanic “super eruption” about 760,000 years ago.

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