Mw 6.9 Coquimbo, Chile
updated 30 May 2021 UTC

On 7 November 2015 a strong earthquake occurred in Coquimbo, Chile. The seismic event occurred at 07:31:41 UTC and had an estimated moment magnitude (Mw) 6.9. It is considered an aftershock of the great earthquake on 16 September.

While the earthquake is generally considered an aftershock of the great earthquake (Mw 8.3) on 16 September, four alignments from the 3rd to the 6th preceded the earthquake, while lunar geometry peaked 12 and 10 on the 5th and 6th respectively. A WPG peak occurred on the 3rd, but it was probably less decisive.

Earth-Venus-Mars         2015-11-03,  1:20:13  173°49'55"
Jupiter-Sun-Neptune      2015-11-05,  8:23:55  338°34'26"
Mercury-Sun-Uranus       2015-11-05, 23:13:39   18°32'55"
Venus-Mercury-Saturn     2015-11-06,  4:27:25  248°18'28"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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