Mw 7.1 Vanuatu
updated 30 May 2021 UTC

On 20 October 2015 a major earthquake occurred at Vanuatu. The seismic event occurred at 21:52:03 UTC and had an estimated moment magnitude (Mw) 7.1.

Three planetary alignments from the 17th to the 19th, two of which involved Earth, preceded the earthquake while lunar geometry was relatively high (index 12). The earthquake occurred after the second lunar peak relative to the planetary alignments. No WPG peaks occurred within five days.

Venus-Earth-Neptune      2015-10-17,  2:43:52  337°05'03"
Earth-Mars-Jupiter       2015-10-17, 22:34:56  163°58'36"
Venus-Sun-Saturn         2015-10-19, 17:55:51  245°58'58"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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