Mw 6.7 Bouvet Island Region
updated 26 August 2021

On 10 October 2017 a strong earthquake occurred in the Bouvet Island Region at a depth of 10 km. The seismic event occurred at 18:53:33 UTC and had an estimated moment magnitude (Mw) 6.7.

After the high lunar peaks that resulted in a strong earthquake at the Rat Islands on 8 October, a lunar peak on the 9th that followed on the Mercury-Sun-Earth alignment, resulted in additional strong seismic activity. Early on the 10th a Mw 6.3 earthquake occurred in Tarapaca, Chile, followed by the earthquake in the Bouvet Island Region.

Earth-Venus-Mars          2017-10-05, 16:49:26  168°58'22"
Mercury-Sun-Earth         2017-10-08, 20:37:26   15°30'42"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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