2026Contra Costa County

Walnut Creek Earthquakes 2026

205 earthquakes were recorded within 30 miles of Walnut Creek in 2026, including M4.2 as the largest.

2020 2021 2022 2023 2024 2025 2026

Total

205

earthquakes

Largest

M4.2

magnitude

Average

M1.8

magnitude

Monthly Avg

per month

Magnitude Distribution

133

M0-2

M2-3

M3-4

M4+

Notable Earthquakes (M3.0+)

Monthly Breakdown

January

Max: M3.4

February

114

Max: M4.2

March

April

May

June

July

August

September

October

November

December

All Earthquakes (100 shown)

Walnut Creek TodayLive earthquake activity Walnut Creek OverviewAll-time data & analysis San Ramon RegionRegional seismic data

About Walnut Creek Earthquake History

Walnut Creek is located in Contra Costa 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 Calaveras Fault.

This page provides a complete record of all earthquakes detected within 30 miles ofWalnut Creek during 2026. 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 Walnut Creek Earthquake Today page, or explore our earthquake preparedness guide to learn how to stay safe.

Loading earthquake data...