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223 earthquakes globally today

Earthquakes Near Arcata, California 95521 Today

Live data from USGS · Monitoring ZIP code 95521 Updated just now

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

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Recent Earthquakes Near Arcata, California

40 earthquakes have been recorded within 250 miles of Arcata, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 95521 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 Arcata, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Arcata, California

Alertra delivers real-time earthquake alerts for Arcata and the surrounding 95521 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 — Arcata

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
All Quiet
LowModerateHigh
Threat score: 15 / 100

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

Earthquakes nearby 40
Closest to you M1.9, 34 mi
Strongest in last 24hr M2.8, Rarely felt
Last felt M4.0+ 15 days ago
Tracking Area
Arcata
LIVE EARTHQUAKES
Found 40 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Arcata

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M2.8 		Rarely felt 175 km WSW of Port Orford, Oregon 167 mi 3:36 AM Details →
M2.2 		Rarely felt 4 km ESE of San Ramon, CA 241 mi 10:54 PM Details →
M2.2 		Rarely felt 15 km NE of Angwin, CA 174 mi 4:37 AM Details →
M2.0 		Rarely felt 22 km SE of Rio Dell, CA 35 mi 9:48 PM Details →
M1.9 		Not felt 9 km WNW of Cobb, CA 153 mi 4:07 PM Details →
M1.9 		Not felt 27 km W of Hayfork, CA 36 mi 6:25 AM Details →
M1.9 		Not felt 12 km NNW of Petrolia, CA 34 mi 6:06 AM Details →
M1.8 		Not felt 6 km NNW of The Geysers, CA 155 mi 10:39 AM Details →
M1.6 		Not felt 5 km SSE of Rodeo, CA 220 mi 7:59 PM Details →
M1.6 		Not felt 6 km WNW of Cobb, CA 154 mi 12:38 AM Details →
M1.4 		Not felt 5 km NW of The Geysers, CA 155 mi 11:38 PM Details →
M1.3 		Not felt 3 km WSW of Alamo, CA 233 mi 9:59 PM Details →
M1.2 		Not felt 9 km WNW of Cobb, CA 153 mi 5:03 PM Details →
M1.1 		Not felt 8 km ESE of Cloverdale, CA 155 mi 6:04 PM Details →
M1.1 		Not felt 7 km ESE of Cloverdale, CA 155 mi 6:53 AM Details →
M1.1 		Not felt 2 km SSW of Cobb, CA 157 mi 1:13 PM Details →
M1.1 		Not felt 6 km WNW of The Geysers, CA 155 mi 7:28 PM Details →
M1.1 		Not felt 2 km NNW of The Geysers, CA 157 mi 12:03 PM Details →
M1.1 		Not felt 5 km WNW of The Geysers, CA 156 mi 12:39 PM Details →
M1.1 		Not felt 6 km NW of The Geysers, CA 155 mi 2:02 AM Details →
M1.0 		Not felt 7 km NW of The Geysers, CA 154 mi 5:00 AM Details →
M1.0 		Not felt 8 km NW of The Geysers, CA 154 mi 2:09 PM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 154 mi 12:41 AM Details →
M1.0 		Not felt 6 km WNW of Cobb, CA 154 mi 9:32 PM Details →
M0.9 		Not felt 11 km NW of The Geysers, CA 152 mi 3:44 AM Details →
M0.9 		Not felt 8 km W of The Geysers, CA 156 mi 6:11 PM Details →
M0.9 		Not felt 6 km WNW of Cobb, CA 154 mi 11:01 AM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 155 mi 1:16 AM Details →
M0.8 		Not felt 2 km NE of The Geysers, CA 158 mi 12:02 AM Details →
M0.8 		Not felt 7 km NW of The Geysers, CA 154 mi 8:59 AM Details →
M0.8 		Not felt 6 km WNW of Cobb, CA 154 mi 12:35 AM Details →
M0.8 		Not felt 10 km WNW of The Geysers, CA 153 mi 6:52 PM Details →
M0.7 		Not felt 7 km NW of The Geysers, CA 154 mi 7:12 PM Details →
M0.7 		Not felt 10 km WNW of The Geysers, CA 153 mi 9:10 PM Details →
M0.7 		Not felt 9 km WNW of Cobb, CA 153 mi 5:11 PM Details →
M0.6 		Not felt 6 km WNW of Cobb, CA 154 mi 12:40 AM Details →
M0.5 		Not felt 8 km W of Cobb, CA 153 mi 8:38 AM Details →
M0.3 		Not felt 6 km NNW of The Geysers, CA 155 mi 12:22 PM Details →
M0.3 		Not felt 9 km NW of The Geysers, CA 154 mi 12:58 PM Details →
M0.3 		Not felt 10 km WNW of Cobb, CA 153 mi 4:08 PM Details →

📈 Earthquake History — Arcata

Since 2006 · M2.5+ · 250 mi radius

Arcata has recorded 9,654 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 817 notable seismic events per year.

M2.5+ in Past 7 Days

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

Yearly Activity · 9654 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude05001k0204060'07'10'13'16'19'22'252006: 322 (M2.5–4), 19 (M4+)2007: 347 (M2.5–4), 27 (M4+)2008: 477 (M2.5–4), 43 (M4+)2009: 307 (M2.5–4), 15 (M4+)2010: 385 (M2.5–4), 31 (M4+)2011: 309 (M2.5–4), 18 (M4+)2012: 353 (M2.5–4), 29 (M4+)2013: 480 (M2.5–4), 36 (M4+)2014: 803 (M2.5–4), 39 (M4+)2015: 677 (M2.5–4), 39 (M4+)2016: 367 (M2.5–4), 33 (M4+)2017: 277 (M2.5–4), 21 (M4+)2018: 336 (M2.5–4), 25 (M4+)2019: 311 (M2.5–4), 32 (M4+)2020: 303 (M2.5–4), 20 (M4+)2021: 506 (M2.5–4), 36 (M4+)2022: 409 (M2.5–4), 27 (M4+)2023: 434 (M2.5–4), 32 (M4+)2024: 684 (M2.5–4), 55 (M4+)2025: 671 (M2.5–4), 32 (M4+)2026: 270 (M2.5–4), 17 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k010.0B20.0B30.0B40.0B'07'10'13'16'19'22'252006: 341 events, Energy: 481.6M2007: 374 events, Energy: 511.6M2008: 520 events, Energy: 1.5B2009: 322 events, Energy: 173.4M2010: 416 events, Energy: 6.6B2011: 327 events, Energy: 413.1M2012: 382 events, Energy: 498.7M2013: 516 events, Energy: 753.3M2014: 842 events, Energy: 17.2B2015: 716 events, Energy: 770.4M2016: 400 events, Energy: 8.7B2017: 298 events, Energy: 563.9M2018: 361 events, Energy: 995.3M2019: 343 events, Energy: 595.6M2020: 323 events, Energy: 1.1B2021: 542 events, Energy: 4.0B2022: 436 events, Energy: 4.2B2023: 466 events, Energy: 763.6M2024: 739 events, Energy: 32.3B2025: 703 events, Energy: 1.4B2026: 287 events, Energy: 476.0M
Largest Recorded
M7.0
2024 Offshore Cape Mendocino, California Earthquake
Dec 5, 2024
Avg Noticeable / Year
43.3
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 Jan 10, 2010
The 2010 Eureka, California Earthquake
M6.4 Dec 20, 2022
15km WSW of Ferndale, CA
M6.3 Aug 29, 2019
285 km W of Bandon, Oregon
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Arcata, California

What Arcata 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 Arcata with live tracking

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

Earthquake FAQ — Arcata, California

Was there an earthquake in Arcata today?

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

Did an earthquake just happen near Arcata?

Check the live earthquake table above for the most recent seismic events near 95521. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Arcata.

What is the earthquake history for Arcata, California?

Alertra tracks USGS seismic records going back 15+ years for the Arcata area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 95521.

How do I get earthquake alerts for Arcata?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 95521. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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