Mw 8.2 Valparaiso, Chile
updated 4 June 2021 UTC

On 17 August 1906 a great earthquake occurred at Valparaiso, Chile at a depth of 35km. The seismic event occurred at 00:40:04 UTC and had an estimated moment magnitude (Mw) 8.2.

It was the second great earthquake within 30 minutes on that day. For a detailed analysis of the planetary and lunar geometry involved, check out the first earthquake.

SSGI chart
SSGI depiction of planetary (PG) and lunar (LG) geometry


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