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229 earthquakes globally today

Earthquakes Near Challenge, California 95925 Today

Live data from USGS · Monitoring ZIP code 95925 Updated just now

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

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Recent Earthquakes Near Challenge, California

47 earthquakes have been recorded within 250 miles of Challenge, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 95925 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 Challenge, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Challenge, California

Alertra delivers real-time earthquake alerts for Challenge and the surrounding 95925 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 — Challenge

Live seismic risk assessment · Updated every 60 seconds from USGS

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

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

Earthquakes nearby 47
Closest to you M2.2, 83 mi
Strongest in last 24hr M2.2, Rarely felt
Last felt M4.0+ 7 days ago
Tracking Area
Challenge
LIVE EARTHQUAKES
Found 47 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Challenge

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 125 mi 10:54 PM Details →
M2.2 		Rarely felt 2 km E of Aromas, CA 180 mi 6:19 PM Details →
M2.2 		Rarely felt 15 km NE of Angwin, CA 83 mi 4:37 AM Details →
M2.2 		Rarely felt 12 km NW of Parkfield, CA 244 mi 7:33 PM Details →
M2.1 		Rarely felt 68 km ENE of Fallon Station, Nevada 171 mi 12:37 PM Details →
M2.0 		Rarely felt 22 km SE of Rio Dell, CA 159 mi 9:48 PM Details →
M1.9 		Not felt 9 km WNW of Cobb, CA 98 mi 4:07 PM Details →
M1.9 		Not felt 27 km W of Hayfork, CA 143 mi 6:25 AM Details →
M1.9 		Not felt 12 km NNW of Petrolia, CA 181 mi 6:06 AM Details →
M1.8 		Not felt 6 km NNW of The Geysers, CA 97 mi 10:39 AM Details →
M1.8 		Not felt 5 km NW of Parkfield, CA 247 mi 6:15 AM Details →
M1.8 		Not felt 14 km NW of Parkfield, CA 243 mi 9:04 PM Details →
M1.6 		Not felt 5 km SSE of Rodeo, CA 117 mi 7:59 PM Details →
M1.6 		Not felt 6 km WNW of Cobb, CA 97 mi 12:38 AM Details →
M1.6 		Not felt 24 km SW of Independence, CA 249 mi 1:11 PM Details →
M1.4 		Not felt 5 km NW of The Geysers, CA 98 mi 11:38 PM Details →
M1.3 		Not felt 3 km WSW of Alamo, CA 122 mi 9:59 PM Details →
M1.2 		Not felt 16 km NW of Parkfield, CA 242 mi 7:20 AM Details →
M1.2 		Not felt 9 km WNW of Cobb, CA 98 mi 5:03 PM Details →
M1.1 		Not felt 8 km ESE of Cloverdale, CA 106 mi 6:04 PM Details →
M1.1 		Not felt 7 km ESE of Cloverdale, CA 106 mi 6:53 AM Details →
M1.1 		Not felt 2 km SSW of Cobb, CA 95 mi 1:13 PM Details →
M1.1 		Not felt 6 km WNW of The Geysers, CA 99 mi 7:28 PM Details →
M1.1 		Not felt 2 km NNW of The Geysers, CA 97 mi 12:03 PM Details →
M1.1 		Not felt 5 km WNW of The Geysers, CA 99 mi 12:39 PM Details →
M1.1 		Not felt 6 km NW of The Geysers, CA 99 mi 2:02 AM Details →
M1.0 		Not felt 7 km NW of The Geysers, CA 98 mi 5:00 AM Details →
M1.0 		Not felt 14 km NW of Parkfield, CA 243 mi 8:51 PM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 97 mi 12:41 AM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 97 mi 9:32 PM Details →
M0.9 		Not felt 11 km NW of The Geysers, CA 99 mi 3:44 AM Details →
M0.9 		Not felt 8 km W of The Geysers, CA 101 mi 6:11 PM Details →
M0.9 		Not felt 6 km WNW of Cobb, CA 97 mi 11:01 AM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 98 mi 1:16 AM Details →
M0.8 		Not felt 2 km NE of The Geysers, CA 96 mi 12:02 AM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 98 mi 8:59 AM Details →
M0.8 		Not felt 6 km WNW of Cobb, CA 97 mi 12:35 AM Details →
M0.8 		Not felt 10 km WNW of The Geysers, CA 100 mi 6:52 PM Details →
M0.7 		Not felt 7 km NW of The Geysers, CA 98 mi 7:12 PM Details →
M0.7 		Not felt 7 km WNW of Cobb, CA 97 mi 1:56 PM Details →
M0.7 		Not felt 10 km WNW of The Geysers, CA 100 mi 9:10 PM Details →
M0.7 		Not felt 9 km WNW of Cobb, CA 98 mi 5:11 PM Details →
M0.6 		Not felt 6 km WNW of Cobb, CA 97 mi 12:40 AM Details →
M0.5 		Not felt 8 km W of Cobb, CA 98 mi 8:38 AM Details →
M0.3 		Not felt 6 km NNW of The Geysers, CA 97 mi 12:22 PM Details →
M0.3 		Not felt 9 km NW of The Geysers, CA 100 mi 12:58 PM Details →
M0.3 		Not felt 10 km WNW of Cobb, CA 98 mi 4:08 PM Details →

📈 Earthquake History — Challenge

Since 2006 · M2.5+ · 250 mi radius

Challenge has recorded 15,309 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
2
MAX M2.7
Sun
3
MAX M3.4
Mon
2
MAX M3.3
Tue
1
MAX M2.8
Wed
2
MAX M3.3
Thu
1
MAX M2.8
Fri
0
—
Since 2006 · M2.5+ · 250 mi

Yearly Activity · 15309 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: 530 (M2.5–4), 14 (M4+)2007: 555 (M2.5–4), 18 (M4+)2008: 643 (M2.5–4), 22 (M4+)2009: 485 (M2.5–4), 6 (M4+)2010: 536 (M2.5–4), 21 (M4+)2011: 621 (M2.5–4), 28 (M4+)2012: 467 (M2.5–4), 22 (M4+)2013: 659 (M2.5–4), 22 (M4+)2014: 1,005 (M2.5–4), 33 (M4+)2015: 833 (M2.5–4), 29 (M4+)2016: 589 (M2.5–4), 25 (M4+)2017: 589 (M2.5–4), 13 (M4+)2018: 456 (M2.5–4), 12 (M4+)2019: 518 (M2.5–4), 21 (M4+)2020: 1,856 (M2.5–4), 86 (M4+)2021: 1,074 (M2.5–4), 42 (M4+)2022: 652 (M2.5–4), 25 (M4+)2023: 610 (M2.5–4), 32 (M4+)2024: 882 (M2.5–4), 40 (M4+)2025: 747 (M2.5–4), 21 (M4+)2026: 446 (M2.5–4), 24 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k1.5k2k010.0B20.0B30.0B40.0B'07'10'13'16'19'22'252006: 544 events, Energy: 105.0M2007: 573 events, Energy: 610.0M2008: 665 events, Energy: 299.2M2009: 491 events, Energy: 55.8M2010: 557 events, Energy: 6.4B2011: 649 events, Energy: 121.1M2012: 489 events, Energy: 513.5M2013: 681 events, Energy: 511.5M2014: 1,038 events, Energy: 17.0B2015: 862 events, Energy: 489.4M2016: 614 events, Energy: 1.1B2017: 602 events, Energy: 99.6M2018: 468 events, Energy: 66.5M2019: 539 events, Energy: 338.6M2020: 1,942 events, Energy: 7.0B2021: 1,116 events, Energy: 3.6B2022: 677 events, Energy: 4.2B2023: 642 events, Energy: 773.8M2024: 922 events, Energy: 32.2B2025: 768 events, Energy: 125.4M2026: 470 events, Energy: 571.7M
Largest Recorded
M7.0
2024 Offshore Cape Mendocino, California Earthquake
Dec 5, 2024
Avg Noticeable / Year
29.5
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 — Challenge, California

What Challenge 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 Challenge with live tracking

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

Earthquake FAQ — Challenge, California

Was there an earthquake in Challenge today?

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

Did an earthquake just happen near Challenge?

Check the live earthquake table above for the most recent seismic events near 95925. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Challenge.

What is the earthquake history for Challenge, California?

Alertra tracks USGS seismic records going back 15+ years for the Challenge area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 95925.

How do I get earthquake alerts for Challenge?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 95925. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

App Coming Soon!

We're putting the final touches on the Alertra app. Enter your email below to join the waitlist and get early access.