Mw 8.1 Offshore Chiapas, Mexico
updated 26 August 2021

On 8 September 2017 a great earthquake occurred at Chiapas, Mexico at a depth of 72 km. The seismic event occurred at 04:49:21 UTC and had an estimated moment magnitude (Mw) 8.1.

A series of five planetary alignments from the 3rd to the 7th preceded the great earthquake, most notably Earth-Mercury-Mars, Venus-Sun-Saturn and Sun-Mercury-Uranus. Off the five alignments foour involved the Sun. On the 6th an X-class solar flare occurred. Lunar geometry peaked 14 on the 5th and 6th, before the Sun-Mercury-Uranus alignment. The earthquake occurred with the second lunar peak that reached 14 than 18 on the 8th and 9th.

Earth-Mercury-Mars        2017-09-03,  9:20:56  148°29'18"
Sun-Earth-Neptune         2017-09-05,  5:13:12  342°36'11"
Venus-Sun-Saturn          2017-09-05, 17:24:09  266°44'15"
Sun-Mercury-Uranus        2017-09-06, 23:09:46   25°48'34"
Mercury-Sun-Jupiter       2017-09-07, 15:19:24  209°33'28"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


This website is using cookies. Terms and conditions, Privacy Policy