Mw 7.1 North of Ascension Island
updated 7 August 2021

On 29 August 2016 a major earthquake occurred North of Ascension Island at a depth of 20 km. The seismic event occurred at 04:29:59 UTC and had an estimated moment magnitude (Mw) 7.1.

No less than four planetary alignments occurred from the 27th to the 29th, most notably Mercury-Venus-Jupiter on the 28th and Venus-Mercury-Earth early on the 29th at the same time of the seismic event. Throughout the second half of August lunar geometry peaked 16 with a typical three-four days interval. From the 24th to the 29th lunar geometry peaked two times. The first peak occurred on the 25th after the Earth-Mars-Saturn alignment. The second peak occurred on the 28th and into the 29th coinciding with the more critical planetary alignments. In the second half of August 2016 no less than ten planetary alignments occurred, resulting in three magnitude 7 earthquakes peaking Mw 7.5 on the 19th. In addition, two strong earthquakes occurred with magnitude 6.8 and 6.7 respectively. Similarly critical was December 2016, which resulted in major seismic activity throughout the month.

Earth-Mars-Saturn        2016-08-24, 11:22:07  249°38'50"
Earth-Venus-Jupiter      2016-08-27, 22:23:55  177°08'17"
Mercury-Venus-Jupiter    2016-08-28, 11:53:26  177°04'18"
Venus-Mercury-Earth      2016-08-29,  6:18:44  358°46'05"
Sun-Mercury-Mars         2016-08-29, 20:33:42  298°06'48"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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