Shallow M6.1 earthquake hits South Sandwich Islands region

shallow-m6-1-earthquake-hits-south-sandwich-islands-region

A shallow earthquake registered by the USGS as M6.1 hit the South Sandwich Islands region at 00:02 UTC on November 1, 2021, at a depth of 34 km (21 miles). EMSC is reporting M6.1 at a depth of 80 km (50 miles).

The epicenter was located about 2 500 km (1 553 miles) SSW of Edinburgh of the Seven Seas, Saint Helena, and 2 600 km (1 616 miles) E of Ushuaia, Argentina.

There are no people living within 100 km (62 miles).

The USGS issued a Green alert for shaking-related fatalities and economic losses.

48 M4.5+ earthquakes were recorded in this region over the past 30 days, including M6.3 on October 4.

Image credit: TW/SAM, Google

Regional seismicity

Featured image credit: TW/SAM, Google

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2 Comments

  1. The huge number of earthquakes around South Sandwich Islands which has increased dramatically this year is clear sign that the shifting of Earth’s magnetic field is speeding up. However, there is another clear sign that the reversal process of Earth’s magnetic field is speeding up, and it is nothing other than the South Atlantic Anomaly. This anomaly is an indicator of an upcoming geomagnetic reversal. Several studies that used data from ESA mission swarm revealed that one of the reversed polarity patch located at the CMB under the South Atlantic Ocean is growing with a pronounced rate of −2.54•105 nT per century and with western drift.

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