Magnitude Mw 3.6
Region OFFSHORE NORTHERN CALIFORNIA
Date time 2019-10-05 15:41:06.6 UTC
Location 37.66 N ; 122.52 W
Depth 8 km
[link to www.emsc-csem.org (secure)]

EMSC
@LastQuake
Felt #earthquake (#sismo) M3.9 strikes 16 km SW of San Francisco (#California) 4 min ago.

map and comments!!
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lots of reports here