After 30 years: Hawaii’s Mauna Loa Volcano showing signs of stirring
Geologist warn the sleeping giant known as Mauna Loa may be awakening. Mauna Loa is the largest active volcano on Earth.
June 2014– HAWAII – After a 30-year repose, Mauna Loa may be slowly stirring to life. While there are no signs of impending eruption, the Hawaiian Volcano Observatory has recorded an increased level of seismic activity on the flanks and summit of Mauna Loa over the past 13 months. Four distinct earthquake swarms — clusters of earthquakes occurring closely in time and location — have occurred since March 2013. Each swarm began with earthquakes northwest of the summit (Moku‘āweoweo Crater) at 4 to 15 km (2.5-9 mi) deep, followed by shallow earthquakes at the summit from several days to one month later. These earthquakes have all been less than magnitude-2.2, except for a magnitude-3.5 earthquake on May 9, 2014. The recent swarms have not been associated…
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