Mw 8.2 Alaska Peninsula
updated 12 August 2021

On 29 July 2021 a great earthquake occurred at the Alaska Peninsula at a depth of 43 km. The seismic event occurred at 06:15:50 UTC and had an estimated moment magnitude (Mw) 8.2.

The last week of July was considered critical due to several planetary alignments, in particular Mars-Mercury-Neptune on the 22nd and Venus-Mercury-Uranus on the 25th. Indeed, from the 21st to the 30th six strong earthquakes occurred ranging from magnitude 6.0 to 8.2, not counting aftershocks.

The great earthquake occurred after some critical planetary and lunar geometry in the last week of July, specifically the Venus-Mercury-Uranus alignment on the 25th. In addition, Earth was very closely aligned with Mars and Jupiter and the alignment was exact later on the same day. Lunar geometry peaked 15 on the 25th at the time of the Venus-Mercury-Uranus alignment and within three-and-a-half days of the earthquake. A significant atmospheric peak started in the morning of the 28th.

Mars-Mercury-Neptune     2021-07-22,  7:00:51  350°34'58"
Venus-Mercury-Uranus     2021-07-25, 23:23:21   40°40'29"
Mars-Earth-Jupiter       2021-07-29, 15:27:14  329°34'44"
          


SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry

atmospheric electricity
atmospheric electricity prior and during the earthquake
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