the date of the largest earthquake recorded in california is 1857 - 01 - 09.
the date of the largest earthquake recorded in california is 1857 - 01 - 09.
what was the date of the largest earthquake recorded in california?
1857 - 01 - 09
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because this quake occurred before the modern surface wave magnitude scale was developed and widely implemented, this earthquake may have only had the same overall intensity as the 2012 haida gwaii earthquake. in future there may be some research done to compare the two earthquake events.









































this earthquake, larger than the 1906 san francisco earthquake, is canada's largest earthquake recorded by seismometers. however, the greatest earthquake in canadian history was the 1700 cascadia earthquake, a megathrust earthquake that occurred along the pacific northwest coast from northern california to southwestern british columbia which reached magnitude 9 on the richter magnitude scale.
1949 queen charlotte islands earthquake