Geology And Earth Changes: Earthquakes Swarm And Tremors Rattle US, Canada And Papua New Guinea


Newberry volcano (Oregon): earthquake swarm unusual, but not alarming – April 8 -14 2013

A cluster of earthquakes has occurred during the past days under the caldera. USGS reports: “Between 8-12 April, five earthquakes were located within or along the margins of the Newberry caldera. Although these five events are nothing to get excited about, they are noteworthy because only six other earthquakes have been located within or along the margins of the Newberry caldera since the Newberry seismic network was expanded from one to nine seismic stations in the summer of 2011.” Moreover, one of these quakes was a low frequency event which represents the first one ever recorded in the Newberry area. – Volcano Discovery

earthquake swarm in Oregon near volcano april 2013

Earthquake: 3.4 quake strikes near Bishop California – April 14 2013

A shallow magnitude 3.4 earthquake was reported Sunday morning six miles from Dixon Lane-Meadow Creek — a community just outside Bishop —  according to the USGS. The temblor occurred at 5:02 a.m. Pacific time at a depth of 5.0 miles. According to the USGS, the epicenter was 83 miles from Sanger, Calif., and 138 miles from Carson City, Nev. In the past 10 days, there has been one earthquake magnitude 3.0 and greater centered nearby. – LA Times

earthquake map california bishop april 14 2013

Earthquake off Haida Gwaii one of ‘thousands’ aftershocks since a 7.7-magnitude quake hit the region last fall – April 14 2013

VANCOUVER — Rumbles felt Sunday afternoon at around 3 p.m. on Haida Gwaii in Skidegate and in the Village of Queen Charlotte was related to a 4.5-magnitude earthquake off B.C.’s west coast which represents one of thousands of aftershocks that have been occurring since a 7.7-magnitude quake hit the region last fall. The 7.7 earthquake that rocked Haida Gwaii in October was the strongest recorded in Canada since 1949. – Vancouver Sun

6.6-magnitude quake strikes Papua New Guinea – April 14 2013

A strong 6.6-magnitude earthquake struck off Papua New Guinea on Sunday, the US Geological Survey reported, but a tsunami warning was not issued and no major damage was expected. The quake hit 105 kilometres (65 miles) west of Panguna, a town on Bougainville Island, at a depth of 64 kilometres, and some 677 kilometres west of the Solomon Islands’ capital Honiara. – France 24

large quake strikes papua new guinea not tsunami warnings

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