2020San Mateo County

San Mateo Earthquakes 2020

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

2020 2021 2022 2023 2024 2025 2026

Total

528

earthquakes

Largest

M3.2

magnitude

Average

M1.2

magnitude

Monthly Avg

per month

Magnitude Distribution

492

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: M2.7

November

Max: M2.3

December

Max: M2.8

All Earthquakes (100 shown)

San Mateo TodayLive earthquake activity San Mateo OverviewAll-time data & analysis SF Peninsula RegionRegional seismic data

About San Mateo Earthquake History

San Mateo is located in San Mateo 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 Mateo 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 Mateo Earthquake Today page, or explore our earthquake preparedness guide to learn how to stay safe.

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