Mw 6.9 Island of Hawaii, Hawaii
updated 30 August 2021

On 4 May 2018 a strong earthquake occurred at the Island of Hawaii at a depth of 5 km. The seismic event occurred at 22:32:55 UTC and had an estimated moment magnitude (Mw) 6.9.

While planetary geometry did not seem too critical prior to the earthquake — which was volcanic related — lunar geometry peaked 14 and 13 respectively on 30 April and 2 May. In particular the convergence of planetary and lunar geometry on 30 April must be considered and compared to similar geometry that preceded larger earthquakes. The strong earthquake at Hawaii marked the beginning of intense volcanic activity on the island that lasted until 4 August 2018 when it suddenly stopped. Interestingly, no large earthquakes occurred in the months in-between; the strongest earthquakes measured up to Mw 6.4 and they were not many. Exactly one day after the intense activity at Hawaii stopped, a strong earthquake (Mw 6.9) occurred in the Lombok Region, Indonesia.

Sun-Mercury-Saturn        2018-04-29,  9:45:07  273°49'13"

Mercury: Venus-Earth      2018-04-30, 19:38:17   90°00'00"

Moon-Earth-Uranus         2018-04-29,  5:06:32   28°50'50"
Moon-Earth-Sun            2018-04-30,  0:28:47   39°22'53"
Earth-Moon-Jupiter        2018-04-30, 18:41:59  229°08'37"
Moon-Earth-Venus          2018-05-02,  8:46:50   69°04'10"
Earth-Moon-Saturn         2018-05-04, 19:29:54  278°40'11"
          
SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry

 

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