Very strong M6.9 earthquake hits the central Mid-Atlantic Ridge

central mid-atlantic ridge m6-9 earthquake september 4 2022

A very strong and shallow earthquake registered by the USGS as M6.9 hit the central Mid-Atlantic Ridge at 11:42 UTC on September 4, 2022. The agency reports a depth of 10 km (6.2 miles). EMSC is reporting M6.3 at a depth of 10 km.

The epicenter was located 1 122 km (697 miles) NW of Georgetown, Saint Helena, and 1 400 km (870 miles) SW of Goderich, Sierra Leone.

The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.

There is no tsunami threat from this earthquake.

central mid-atlantic ridge m6-9 earthquake september 4 2022 bg
Image credit: TW/SAM, Google

Regional seismicity

central mid-atlantic ridge m6-9 earthquake september 4 2022 emsc rs

Featured image credit: TW/SAM, Google

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