Earthquakes in the Mid-Indian Ridge and Scotia Sea

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On Thursday, Oct. 22, 2015, at 00:32 UTC, two 5.4 magnitude (M) earthquakes and a 5.3M tremor rolled in the Mid-Indian Ridge. The tremor’s coordinates were 27.794ºS 74.022ºE and one of them was 100 km deep at its epicenter.

The Tremor Occurred Near the Following Cities

1160 km NNW of Amsterdam Island, France
1403 km SE of Ile Rodrigues, Mauritius
1847 km ESE of Mahebourg, Mauritius
1850 km ESE of Plaine Magnien, Mauritius
1879 km ESE of Port Louis, Mauritius

Also, on Thursday, at 1:17 UTC, three 5.5 magnitude earthquakes erupted in the Scotia Sea. The coordinates of the tremors are 60.343ºS 45.399ºW. The depth at its epicenter was 15.1 km. According to United States Geological Survey (USGS), it is likely that no structures would have been affected.

The Tremor Occurred Closest to the Following Cities

860 km SW of Grytviken, South Georgia, and the South Sandwich Islands
1492 km ESE of Ushuaia, Argentina
1739 km SE of Punta Arenas, Chile
1769 km SE of Stanley, Falkland Islands

There was a concern of a possible tsunami warning, however, it has not been downgraded. Guardian Liberty Voice will continue to report on these earthquakes and will update this page if the tsunami warnings change.

By Jeanette Smith
Edited by Leigh Haugh

USGS: 5.4M and Higher Earthquakes in Mid-Indian Ridge
GEOFON: 5.5 Earthquakes in the Scotia Sea No Current Tsunami Warnings
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Top Article Image Courtesy of Neil Howard’s Flickr Page – Creative Commons License