stratovolcano 2400 m / 7,874 ft Southern Chile and Argentina, South America, -44.08°S / -72.88°W Eruption list: 200 AD ± 75 years, 820 BC ± 100 years (radiocarbon dated)
2010 Seismic unrest
A weak seismic swarm occurred at Melimoyu volcano in May and June 2010 and its alert level was raised to 2 (Green) on 8 June, 2010.
Increased seismic activity was detected during May. 9 long-period earthquakes were measured on 27 May. The next day 6 long-period earthquakes preceded 2 separate seismic swarms, located 2-12 km and 7-14 km south beneath the summit. All earthquakes were M 2.5 or less.
(GVP monthly reports)
