Mexico, Alaska and the English Channel: Earthquakes 23-30 July 2014

The week's larges tremor was a subduction-related even in Mexico. Image credit: USGS

This week’s earthquakes included a shallow subduction-related tremor in Alaska – and an unusual M4.0 in the English Channel.

M3.5 Earthquake Near Seattle Washington: 28 July 2014

Earthquakes around the Juan de Fuca plate since 1900. Image credit: USGS

The earthquake which struck west of Seattle on 28 july is just one of many types of ‘quake which can occur off the Pacific coast of the north west USA.

Fiji and Alaska: Earthquakes 17-23 July 2014

Earthquakes 19-23 July 2014. Image credit: USGS

This week saw earthquakes around the Pacific, including Fiji and Alaska. Smaller, quarry-related blasts are also of interest.

Japan, the Philippines, and Yes, Oklahoma Again: Earthquakes 10-16 July 2014

Screen Shot 2014-07-16 at 11.53.54

The largest earthquakes in the world this week occurred in the western Pacific – and the series of tremors in Oklahoma continues.

M4.2 (12 July) and M3.9 (14 July), Oklahoma: the Earthquake Series Continues

Oklahoma fracking quake swarm

Two notable earthquakes in Oklahoma on 12 and 14 July 2014 represent the continuation of an earthquake series associated with human activity.