2020San Francisco County

San Francisco Earthquakes 2020

442 earthquakes were recorded within 30 miles of San Francisco in 2020, including M3.2 as the largest.

2020 2021 2022 2023 2024 2025 2026

Total

442

earthquakes

Largest

M3.2

magnitude

Average

M1.3

magnitude

Monthly Avg

per month

Magnitude Distribution

413

M0-2

M2-3

M3-4

M4+

Notable Earthquakes (M3.0+)

3.2
3km ESE of San Leandro, CA
September 6, 2020 at 6:43 PM

Monthly Breakdown

January

Max: M2.6

February

March

Max: M2.2

April

Max: M2.5

May

Max: M2.0

June

Max: M2.7

July

August

Max: M2.6

September

Max: M3.2

October

Max: M2.5

November

December

Max: M2.6

All Earthquakes (100 shown)

San Francisco TodayLive earthquake activity San Francisco OverviewAll-time data & analysis San Francisco RegionRegional seismic data

About San Francisco Earthquake History

San Francisco is located in San Francisco County, California, within the seismically active San Francisco Bay Area. The region experiences regular seismic activity due to its proximity to major fault lines, including the San Andreas Fault.

This page provides a complete record of all earthquakes detected within 30 miles ofSan Francisco during 2020. The data is sourced from the USGS earthquake monitoring network, which operates a comprehensive array of seismometers throughout California.

For real-time earthquake information, visit the San Francisco Earthquake Today page, or explore our earthquake preparedness guide to learn how to stay safe.

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