7/27/2015 — Large M6.9 Earthquake strikes near Cleveland Volcano in Alaska / Aleutian Islands

A large earthquake has struck along the Fox Islands / Aleutian Island chain off the Coast of Alaska.

Listed originally as a rare “double” earthquake, this earthquake measured in at M6.9 with a depth of 11.9km.

The location of the Earthquake is just 30 miles from Cleveland volcanic complex.  Cleveland volcano has recently sent off a few ash plumes, thus this earthquake might be the sign of a coming larger eruption in the area.

7.0 earthquake july 27 2015

cleveland volcano alaska earthquake july 27 2015


Information on the earthquake from the USGS:

Magnitude 6.9 mwp
Location/uncertainty 52.376°N 169.658°W± 6.2 km
Depth/uncertainty 11.9 km± 4.2
Origin Time
Number of Stations
Number of Phases 144
Minimum Distance 85.83 km (0.77°)
Travel Time Residual 1.30 sec
Azimuthal Gap 57°
FE Region Fox Islands, Aleutian Islands, Alaska (9)