Mw 7.0 Solomon Islands
updated 30 May 2021 UTC

On 18 November 2015 a major earthquake occurred at the Solomon Islands. The seismic event occurred at 18:31:05 UTC and had an estimated moment magnitude (Mw) 7.0.

The earthquake occurred a day after Earth lined up with the Sun and Mercury. However, on the 16th two WPG peaks occurred while lunar geometry reached index 12. They were likely the decisive factor.

Mercury-Sun-Earth        2015-11-17, 14:34:16   54°42'12"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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