Mw 7.8 Southwest of Sumatra, Indonesia
updated 2 June 2021 UTC

On 2 March 2016 a major earthquake occurred southwest of Sumatra, Indonesia at a depth of 20km. The seismic event occurred at 12:49:48 UTC and had an estimated moment magnitude (Mw) 7.8.

Three planetary alignments preceded the earthquake, most notably Jupiter-Venus-Neptune and Earth-Sun-Neptune on 28 February. The third alignment on 1 March was only a small contributor. Lunar geometry was moderate throughout the week. A WPG peak formed while the earthquake occurred.

Jupiter-Venus-Neptune    2016-02-28,  2:04:19  340°30'11"
Earth-Sun-Neptune        2016-02-28, 15:48:52  339°16'01"
Sun-Mercury-Venus        2016-03-01,  2:03:05  280°39'31"
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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