M 6.9 earthquake Banda Sea

last updated 24 May 2021

A strong earthquake measuring magnitude 6.9 occurred deep below the Banda Sea on 21 August 2020 at 04:09 UTC. The tremor occurred inside the asthenosphere at a depth of approximately 643 kilometers.

There was no critical planetary geometry prior to this earthquake. The lunar peak late on the 19th, early 20th was critical in that the Moon made a 135° angle with both Mars and Saturn within about 2 hours, followed by the Moon's alignment with Neptune later on the same day. However, the seismic increase was not forecast at the time. Similar geometry occurred on 16 September which was also followed by a higher 6 magnitude earthquake two days later.

Update 28 May 2021: Four WPG peaks formed starting on the 18th. The earthquake occurred just before the fourth peak on the 21st.

Earth:   Moon-Mars        2020-08-20,  0:31:06  135°00'00"
Earth:   Moon-Saturn      2020-08-20,  2:49:35  135°00'00"

SSGI chart 16-22 August 2020
lunar geometry 19-20 August 2020

atmospheric electricity
atmospheric electricity predominantly in 5mV band (1398-1403mV) 18-20 August 2020


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