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224 earthquakes globally today

Earthquakes Near Chester, California 96020 Today

Live data from USGS · Monitoring ZIP code 96020 Updated just now

37 tiny quakes nearby. Too small to feel. Completely normal background activity.

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Recent Earthquakes Near Chester, California

37 earthquakes have been recorded within 250 miles of Chester, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 96020 using live data from the U.S. Geological Survey (USGS), updated every 60 seconds. Whether you felt shaking or are checking if an earthquake just happened near Chester, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Chester, California

Alertra delivers real-time earthquake alerts for Chester and the surrounding 96020 area. When seismic activity is detected nearby, push notifications are sent within 60 seconds — no manual earthquake watch required.

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📊 Earthquake Watch — Chester

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
All Quiet
LowModerateHigh
Threat score: 4 / 100

Some seismic activity near Chester. Most too small to feel.

Earthquakes nearby 37
Closest to you M1.9, 119 mi
Strongest in last 24hr M2.2, Rarely felt
Last felt M4.0+ 7 days ago
Tracking Area
Chester
LIVE EARTHQUAKES
Found 37 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Chester

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M2.2 		Rarely felt 4 km ESE of San Ramon, CA 179 mi 10:54 PM Details →
M2.2 		Rarely felt 2 km E of Aromas, CA 236 mi 6:19 PM Details →
M2.2 		Rarely felt 15 km NE of Angwin, CA 126 mi 4:37 AM Details →
M2.0 		Rarely felt 22 km SE of Rio Dell, CA 142 mi 9:48 PM Details →
M1.9 		Not felt 9 km WNW of Cobb, CA 131 mi 4:07 PM Details →
M1.9 		Not felt 27 km W of Hayfork, CA 119 mi 6:25 AM Details →
M1.9 		Not felt 12 km NNW of Petrolia, CA 163 mi 6:06 AM Details →
M1.8 		Not felt 6 km NNW of The Geysers, CA 131 mi 10:39 AM Details →
M1.6 		Not felt 5 km SSE of Rodeo, CA 168 mi 7:59 PM Details →
M1.6 		Not felt 6 km WNW of Cobb, CA 130 mi 12:38 AM Details →
M1.4 		Not felt 5 km NW of The Geysers, CA 131 mi 11:38 PM Details →
M1.3 		Not felt 3 km WSW of Alamo, CA 176 mi 9:59 PM Details →
M1.3 		Not felt 9 km ESE of Cloverdale, CA 137 mi 12:24 PM Details →
M1.2 		Not felt 9 km WNW of Cobb, CA 131 mi 5:03 PM Details →
M1.2 		Not felt 10 km WNW of The Geysers, CA 133 mi 12:14 PM Details →
M1.1 		Not felt 8 km ESE of Cloverdale, CA 138 mi 6:04 PM Details →
M1.1 		Not felt 7 km ESE of Cloverdale, CA 139 mi 6:53 AM Details →
M1.1 		Not felt 6 km WNW of The Geysers, CA 132 mi 7:28 PM Details →
M1.1 		Not felt 6 km NW of The Geysers, CA 132 mi 2:02 AM Details →
M1.0 		Not felt 7 km NW of The Geysers, CA 131 mi 5:00 AM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 130 mi 12:41 AM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 130 mi 9:32 PM Details →
M0.9 		Not felt 11 km NW of The Geysers, CA 131 mi 3:44 AM Details →
M0.9 		Not felt 8 km W of The Geysers, CA 135 mi 6:11 PM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 131 mi 1:16 AM Details →
M0.8 		Not felt 2 km NE of The Geysers, CA 131 mi 12:02 AM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 131 mi 8:59 AM Details →
M0.8 		Not felt 6 km WNW of Cobb, CA 130 mi 12:35 AM Details →
M0.8 		Not felt 10 km WNW of The Geysers, CA 133 mi 6:52 PM Details →
M0.7 		Not felt 7 km NW of The Geysers, CA 131 mi 7:12 PM Details →
M0.7 		Not felt 7 km WNW of Cobb, CA 130 mi 1:56 PM Details →
M0.7 		Not felt 8 km NW of The Geysers, CA 131 mi 11:09 AM Details →
M0.7 		Not felt 10 km WNW of The Geysers, CA 132 mi 9:10 PM Details →
M0.7 		Not felt 9 km WNW of Cobb, CA 131 mi 5:11 PM Details →
M0.6 		Not felt 6 km WNW of Cobb, CA 130 mi 12:40 AM Details →
M0.5 		Not felt 8 km W of Cobb, CA 131 mi 8:38 AM Details →
M0.3 		Not felt 10 km WNW of Cobb, CA 131 mi 4:08 PM Details →

📈 Earthquake History — Chester

Since 2006 · M2.5+ · 250 mi radius

Chester has recorded 14,066 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M7.0 on Dec 5, 2024, located 2024 Offshore Cape Mendocino, California Earthquake. On average, the area experiences approximately 925 notable seismic events per year.

M2.5+ in Past 7 Days

Sat
1
MAX M2.7
Sun
3
MAX M3.4
Mon
3
MAX M3.3
Tue
1
MAX M2.8
Wed
2
MAX M3.3
Thu
0
—
Fri
0
—
Since 2006 · M2.5+ · 250 mi

Yearly Activity · 14066 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude05001k1.5k2k050100'07'10'13'16'19'22'252006: 446 (M2.5–4), 12 (M4+)2007: 486 (M2.5–4), 18 (M4+)2008: 574 (M2.5–4), 21 (M4+)2009: 426 (M2.5–4), 7 (M4+)2010: 482 (M2.5–4), 19 (M4+)2011: 555 (M2.5–4), 27 (M4+)2012: 403 (M2.5–4), 19 (M4+)2013: 596 (M2.5–4), 23 (M4+)2014: 954 (M2.5–4), 31 (M4+)2015: 780 (M2.5–4), 28 (M4+)2016: 538 (M2.5–4), 23 (M4+)2017: 483 (M2.5–4), 12 (M4+)2018: 390 (M2.5–4), 10 (M4+)2019: 444 (M2.5–4), 20 (M4+)2020: 1,776 (M2.5–4), 84 (M4+)2021: 1,008 (M2.5–4), 40 (M4+)2022: 600 (M2.5–4), 22 (M4+)2023: 539 (M2.5–4), 29 (M4+)2024: 812 (M2.5–4), 40 (M4+)2025: 805 (M2.5–4), 23 (M4+)2026: 436 (M2.5–4), 25 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k1.5k2k010.0B20.0B30.0B40.0B'07'10'13'16'19'22'252006: 458 events, Energy: 97.6M2007: 504 events, Energy: 607.4M2008: 595 events, Energy: 295.8M2009: 433 events, Energy: 56.4M2010: 501 events, Energy: 6.4B2011: 582 events, Energy: 111.1M2012: 422 events, Energy: 414.1M2013: 619 events, Energy: 521.4M2014: 985 events, Energy: 17.0B2015: 808 events, Energy: 608.2M2016: 561 events, Energy: 1.1B2017: 495 events, Energy: 88.2M2018: 400 events, Energy: 61.9M2019: 464 events, Energy: 320.9M2020: 1,860 events, Energy: 7.0B2021: 1,048 events, Energy: 3.6B2022: 622 events, Energy: 4.1B2023: 568 events, Energy: 756.9M2024: 852 events, Energy: 32.2B2025: 828 events, Energy: 142.0M2026: 461 events, Energy: 587.8M
Largest Recorded
M7.0
2024 Offshore Cape Mendocino, California Earthquake
Dec 5, 2024
Avg Noticeable / Year
35
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M7.0 Dec 5, 2024
2024 Offshore Cape Mendocino, California Earthquake
M6.8 Mar 10, 2014
77 km WNW of Indianola, California
M6.6 Dec 8, 2016
164 km W of Ferndale, California
M6.5 May 15, 2020
Monte Cristo Range, NV Earthquake
M6.5 Jan 10, 2010
The 2010 Eureka, California Earthquake
M6.4 Dec 20, 2022
15km WSW of Ferndale, CA
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Chester, California

What Chester residents should know before, during, and after an earthquake

🏠 Step 1

Before: Secure Your Space

Bolt heavy furniture to walls. Keep an emergency kit within arm's reach of where you sleep. Know your exits.

🛡️ Step 2

During: Drop, Cover, Hold On

Drop to your hands and knees. Take cover under sturdy furniture. Hold on until the shaking stops. Stay away from windows.

🚪 Step 3

After: Check and Evacuate

Check for injuries and damage. If you smell gas, leave immediately and call 911. Expect aftershocks.

72-Hour Emergency Kit

✓ 1 gallon of water per person per day
✓ Non-perishable food (3-day supply)
✓ Battery-powered NOAA weather radio
✓ Flashlight and extra batteries
✓ First aid kit
✓ Whistle to signal for help
✓ N95 dust masks
✓ Plastic sheeting and duct tape
✓ Wrench or pliers to turn off utilities
✓ Manual can opener

Notable US Seismic History

1994 Northridge, CA
M6.7
57 fatalities, $50B in damage. One of the costliest US natural disasters.
2011 Virginia
M5.8
Felt across 22 states. The most widely felt earthquake in US history.
2018 Anchorage, AK
M7.1
Major infrastructure damage across south-central Alaska.

📍 Nearby Earthquake Monitoring

Cities near Chester with live tracking

🔔 Get earthquake alerts for Chester
Alertra monitors live data 24/7 and sends push notifications the moment a earthquake is detected near you.

🏢 About Alertra

Alertra is an earthquake monitoring platform built by a team of engineers in Arizona focused on natural disaster safety technology. We provide real-time earthquake alerts and risk assessments to help communities prepare before disaster strikes.

Alertra ingests real-time seismic data from the U.S. Geological Survey (USGS) and combines it with over 15 years of legacy earthquake records to build localized risk models for communities like Chester. Our threat scores, historical trend charts, and proximity alerts are all derived from this data — updated every 60 seconds.

Earthquake FAQ — Chester, California

Was there an earthquake in Chester today?

37 tiny quakes nearby. Too small to feel. Completely normal background activity. This page shows all earthquakes detected within 250 miles of Chester in the past 24 hours, updated every 60 seconds from USGS.

Did an earthquake just happen near Chester?

Check the live earthquake table above for the most recent seismic events near 96020. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Chester.

What is the earthquake history for Chester, California?

Alertra tracks USGS seismic records going back 15+ years for the Chester area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 96020.

How do I get earthquake alerts for Chester?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 96020. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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