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231 earthquakes globally today

Earthquakes Near Hercules, California 94547 Today

Live data from USGS · Monitoring ZIP code 94547 Updated just now

57 small earthquakes nearby today, including 1 that may have been felt. This is typical activity.

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Recent Earthquakes Near Hercules, California

57 earthquakes have been recorded within 250 miles of Hercules, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 94547 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 Hercules, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Hercules, California

Alertra delivers real-time earthquake alerts for Hercules and the surrounding 94547 area. When seismic activity is detected nearby, push notifications are sent within 60 seconds — no manual earthquake watch required.

Coming soon! We're working on bringing monitoring to Alertra.

📊 Earthquake Watch — Hercules

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
Normal
LowModerateHigh
Threat score: 29 / 100

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

Earthquakes nearby 57
Closest to you M1.2, 55 mi
Strongest in last 24hr M3.1, Light shaking
Last felt M4.0+ 9 days ago
Tracking Area
Hercules
LIVE EARTHQUAKES
Found 57 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Hercules

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M3.1 		Light shaking 6 km NW of The Geysers, CA 63 mi 5:11 AM Details →
M2.5 		Rarely felt 12 km ENE of San Martin, CA 75 mi 11:50 PM Details →
M2.3 		Rarely felt 15 km E of Willows, CA 107 mi 5:35 AM Details →
M2.2 		Rarely felt 8 km NE of Lake Davis, CA 165 mi 2:12 PM Details →
M2.2 		Rarely felt 18 km WSW of Petrolia, CA 198 mi 12:32 PM Details →
M1.9 		Not felt 22 km SSE of Mina, Nevada 234 mi 3:02 PM Details →
M1.8 		Not felt 9 km E of Mammoth Lakes, CA 186 mi 8:43 AM Details →
M1.7 		Not felt 26 km SE of Mina, Nevada 236 mi 3:03 PM Details →
M1.7 		Not felt 8 km NNW of Pinnacles, CA 114 mi 12:05 AM Details →
M1.6 		Not felt 24 km SSE of Hayfork, CA 168 mi 6:52 PM Details →
M1.6 		Not felt 3 km NW of The Geysers, CA 61 mi 10:30 AM Details →
M1.6 		Not felt 11 km N of Covelo, CA 141 mi 3:59 PM Details →
M1.6 		Not felt 8 km WSW of Petrolia, CA 195 mi 12:48 AM Details →
M1.4 		Not felt 6 km NW of The Geysers, CA 63 mi 5:13 AM Details →
M1.4 		Not felt 6 km NW of The Geysers, CA 63 mi 5:12 AM Details →
M1.3 		Not felt 8 km S of The Geysers, CA 55 mi 9:15 AM Details →
M1.3 		Not felt 5 km WNW of Cobb, CA 64 mi 3:17 PM Details →
M1.3 		Not felt 6 km NW of The Geysers, CA 63 mi 11:18 AM Details →
M1.2 		Not felt 2 km W of Pinnacles, CA 118 mi 8:43 AM Details →
M1.2 		Not felt 3 km NW of The Geysers, CA 61 mi 10:30 AM Details →
M1.2 		Not felt 8 km S of The Geysers, CA 55 mi 9:18 AM Details →
M1.2 		Not felt 10 km NW of The Geysers, CA 66 mi 5:14 AM Details →
M1.1 		Not felt 4 km W of The Geysers, CA 60 mi 10:56 AM Details →
M1.1 		Not felt 23 km ENE of San Lucas, CA 147 mi 5:01 AM Details →
M1.1 		Not felt 2 km NW of The Geysers, CA 61 mi 9:50 AM Details →
M1.1 		Not felt 9 km E of Mammoth Lakes, CA 186 mi 8:43 AM Details →
M1.1 		Not felt 11 km WNW of Cobb, CA 66 mi 4:47 AM Details →
M1.0 		Not felt 5 km NW of The Geysers, CA 63 mi 2:06 AM Details →
M1.0 		Not felt 6 km NW of The Geysers, CA 63 mi 11:04 PM Details →
M1.0 		Not felt 6 km NW of The Geysers, CA 63 mi 6:26 AM Details →
M0.9 		Not felt 10 km WNW of The Geysers, CA 65 mi 8:20 AM Details →
M0.9 		Not felt 12 km NW of The Geysers, CA 66 mi 4:55 PM Details →
M0.8 		Not felt 3 km NNW of The Geysers, CA 61 mi 7:55 AM Details →
M0.8 		Not felt 1 km NW of The Geysers, CA 60 mi 2:14 PM Details →
M0.8 		Not felt 6 km NW of The Geysers, CA 63 mi 6:26 AM Details →
M0.8 		Not felt 13 km ENE of Cloverdale, CA 67 mi 11:46 AM Details →
M0.8 		Not felt 6 km NNW of The Geysers, CA 63 mi 3:40 PM Details →
M0.8 		Not felt 6 km NW of The Geysers, CA 63 mi 8:13 AM Details →
M0.8 		Not felt 6 km NW of The Geysers, CA 63 mi 5:14 AM Details →
M0.7 		Not felt 1 km NNW of The Geysers, CA 60 mi 8:04 PM Details →
M0.7 		Not felt 6 km NW of The Geysers, CA 63 mi 5:54 AM Details →
M0.7 		Not felt 8 km NW of The Geysers, CA 65 mi 3:34 AM Details →
M0.7 		Not felt 2 km N of The Geysers, CA 61 mi 6:36 AM Details →
M0.7 		Not felt 2 km NNE of The Geysers, CA 61 mi 3:24 PM Details →
M0.7 		Not felt 6 km NW of The Geysers, CA 63 mi 2:44 AM Details →
M0.7 		Not felt 9 km WNW of Cobb, CA 66 mi 11:42 PM Details →
M0.7 		Not felt 10 km NW of The Geysers, CA 65 mi 5:33 PM Details →
M0.7 		Not felt 7 km WNW of Cobb, CA 64 mi 4:48 PM Details →
M0.7 		Not felt 7 km W of Cobb, CA 64 mi 6:03 AM Details →
M0.6 		Not felt 11 km NW of The Geysers, CA 66 mi 2:13 PM Details →
M0.6 		Not felt 10 km NW of The Geysers, CA 66 mi 12:17 AM Details →
M0.6 		Not felt 4 km W of Cobb, CA 63 mi 8:40 PM Details →
M0.6 		Not felt 3 km NNW of The Geysers, CA 61 mi 5:56 AM Details →
M0.5 		Not felt 9 km ENE of Mammoth Lakes, CA 186 mi 8:44 AM Details →
M0.5 		Not felt 2 km ESE of The Geysers, CA 59 mi 1:51 AM Details →
M0.3 		Not felt 3 km NW of The Geysers, CA 61 mi 8:44 PM Details →
M0.3 		Not felt 3 km NW of The Geysers, CA 62 mi 3:43 PM Details →

📈 Earthquake History — Hercules

Since 2009 · M2.5+ · 250 mi radius

Hercules has recorded 12,687 earthquakes of magnitude 2.5 or greater within 250 miles since 2009. The largest was a M7.1 on Jul 6, 2019, located Ridgecrest Earthquake Sequence. On average, the area experiences approximately 1154 notable seismic events per year.

M2.5+ in Past 7 Days

Mon
4
MAX M3.0
Tue
1
MAX M2.7
Wed
3
MAX M2.7
Thu
1
MAX M2.6
Fri
4
MAX M3.0
Sat
1
MAX M2.5
Sun
1
MAX M3.1
Since 2009 · M2.5+ · 250 mi

Yearly Activity · 12687 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude05001k1.5k2k050100'10'13'16'19'22'252009: 369 (M2.5–4), 6 (M4+)2010: 547 (M2.5–4), 20 (M4+)2011: 637 (M2.5–4), 27 (M4+)2012: 476 (M2.5–4), 22 (M4+)2013: 660 (M2.5–4), 23 (M4+)2014: 673 (M2.5–4), 20 (M4+)2015: 534 (M2.5–4), 12 (M4+)2016: 565 (M2.5–4), 26 (M4+)2017: 588 (M2.5–4), 12 (M4+)2018: 459 (M2.5–4), 11 (M4+)2019: 508 (M2.5–4), 19 (M4+)2020: 1,837 (M2.5–4), 86 (M4+)2021: 1,070 (M2.5–4), 42 (M4+)2022: 641 (M2.5–4), 26 (M4+)2023: 593 (M2.5–4), 30 (M4+)2024: 843 (M2.5–4), 38 (M4+)2025: 720 (M2.5–4), 22 (M4+)2026: 500 (M2.5–4), 25 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k1.5k2k010.0B20.0B30.0B40.0B'10'13'16'19'22'252009: 375 events, Energy: 49.9M2010: 567 events, Energy: 6.4B2011: 664 events, Energy: 120.2M2012: 498 events, Energy: 512.5M2013: 683 events, Energy: 513.4M2014: 693 events, Energy: 16.9B2015: 546 events, Energy: 399.5M2016: 591 events, Energy: 1.1B2017: 600 events, Energy: 91.4M2018: 470 events, Energy: 63.7M2019: 527 events, Energy: 329.3M2020: 1,923 events, Energy: 7.0B2021: 1,112 events, Energy: 3.6B2022: 667 events, Energy: 4.2B2023: 623 events, Energy: 764.6M2024: 881 events, Energy: 32.2B2025: 742 events, Energy: 125.8M2026: 525 events, Energy: 828.4M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
41.1
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M7.1 Jul 6, 2019
Ridgecrest Earthquake Sequence
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
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Hercules, California

What Hercules 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 Hercules with live tracking

🔔 Get earthquake alerts for Hercules
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 Hercules. Our threat scores, historical trend charts, and proximity alerts are all derived from this data — updated every 60 seconds.

Earthquake FAQ — Hercules, California

Was there an earthquake in Hercules today?

57 small earthquakes nearby today, including 1 that may have been felt. This is typical activity. This page shows all earthquakes detected within 250 miles of Hercules in the past 24 hours, updated every 60 seconds from USGS.

Did an earthquake just happen near Hercules?

Check the live earthquake table above for the most recent seismic events near 94547. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Hercules.

What is the earthquake history for Hercules, California?

Alertra tracks USGS seismic records going back 15+ years for the Hercules area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 94547.

How do I get earthquake alerts for Hercules?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 94547. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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