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249 earthquakes globally today

Earthquakes Near Costa Mesa, California 92627 Today

Live data from USGS · Monitoring ZIP code 92627 Updated just now

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

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Recent Earthquakes Near Costa Mesa, California

48 earthquakes have been recorded within 250 miles of Costa Mesa, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 92627 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 Costa Mesa, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Costa Mesa, California

Alertra delivers real-time earthquake alerts for Costa Mesa and the surrounding 92627 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 — Costa Mesa

Live seismic risk assessment · Updated every 60 seconds from USGS

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

Some seismic activity near Costa Mesa. Most too small to feel.

Earthquakes nearby 48
Closest to you M0.9, 44 mi
Strongest in last 24hr M2.2, Rarely felt
Last felt M4.0+ 17 days ago
Tracking Area
Costa Mesa
LIVE EARTHQUAKES
Found 48 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Costa Mesa

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 12 km NW of Parkfield, CA 219 mi 7:33 PM Details →
M2.1 		Rarely felt 4 km SSW of Palomar Observatory, CA 64 mi 3:09 AM Details →
M2.0 		Rarely felt 12 km SSW of Borrego Springs, CA 92 mi 2:24 PM Details →
M1.9 		Not felt 15 km NE of Lebec, CA 101 mi 4:47 AM Details →
M1.7 		Not felt 2 km NNE of Colton, CA 47 mi 5:19 AM Details →
M1.7 		Not felt 7 km E of Phelan, CA 60 mi 10:20 AM Details →
M1.7 		Not felt 26 km SSW of Ocotillo Wells, CA 106 mi 7:03 AM Details →
M1.6 		Not felt 17 km SSW of Pine Mountain Club, CA 103 mi 1:34 PM Details →
M1.5 		Not felt 5 km SSE of Summerlin South, Nevada 223 mi 7:28 PM Details →
M1.2 		Not felt 26 km SSW of Ocotillo Wells, CA 107 mi 6:50 AM Details →
M1.1 		Not felt 9 km E of Cabazon, CA 73 mi 8:06 AM Details →
M1.1 		Not felt 9 km S of Warner Springs, CA 81 mi 9:25 PM Details →
M1.1 		Not felt 18 km ESE of Julian, CA 97 mi 8:06 PM Details →
M1.1 		Not felt 18 km WSW of Johannesburg, CA 114 mi 9:20 PM Details →
M1.1 		Not felt 14 km SSW of Searles Valley, CA 141 mi 1:25 PM Details →
M1.1 		Not felt 11 km S of Olancha, CA 175 mi 6:25 AM Details →
M1.0 		Not felt 3 km ENE of Moreno Valley, CA 46 mi 10:34 AM Details →
M1.0 		Not felt 11 km SSW of Idyllwild, CA 67 mi 7:04 PM Details →
M0.9 		Not felt 8 km SSW of Lytle Creek, CA 44 mi 8:35 AM Details →
M0.9 		Not felt 6 km SE of Loma Linda, CA 47 mi 1:35 AM Details →
M0.9 		Not felt 1 km SSE of Loma Linda, CA 47 mi 4:04 PM Details →
M0.9 		Not felt 9 km SSW of Idyllwild, CA 67 mi 1:05 AM Details →
M0.9 		Not felt 7 km SSW of Redlands, CA 47 mi 8:58 AM Details →
M0.8 		Not felt 2 km SE of Redlands, CA 51 mi 7:58 AM Details →
M0.8 		Not felt 11 km SSW of Borrego Springs, CA 92 mi 1:51 PM Details →
M0.8 		Not felt 22 km ESE of Ridgecrest, CA 134 mi 3:22 AM Details →
M0.8 		Not felt 7 km SSE of Redlands, CA 50 mi 9:54 AM Details →
M0.8 		Not felt 10 km E of Anza, CA 78 mi 7:02 PM Details →
M0.8 		Not felt 19 km ESE of Anza, CA 84 mi 2:15 AM Details →
M0.8 		Not felt 3 km SE of Redlands, CA 51 mi 9:39 AM Details →
M0.8 		Not felt 9 km N of Borrego Springs, CA 91 mi 3:39 AM Details →
M0.8 		Not felt 9 km N of Borrego Springs, CA 91 mi 8:26 PM Details →
M0.8 		Not felt 8 km ESE of Valle Vista, CA 63 mi 3:27 AM Details →
M0.7 		Not felt 26 km SSW of Ocotillo Wells, CA 107 mi 7:10 AM Details →
M0.7 		Not felt 12 km SW of Searles Valley, CA 143 mi 6:52 PM Details →
M0.7 		Not felt 6 km SE of Loma Linda, CA 47 mi 6:11 AM Details →
M0.7 		Not felt 5 km SSW of Redlands, CA 48 mi 11:41 AM Details →
M0.6 		Not felt 15 km SSW of Searles Valley, CA 141 mi 7:52 AM Details →
M0.6 		Not felt 9 km SSE of Gorman, CA 90 mi 4:13 PM Details →
M0.6 		Not felt 2 km NE of Palomar Observatory, CA 65 mi 3:49 PM Details →
M0.6 		Not felt 5 km NNE of Lake Henshaw, CA 72 mi 8:19 AM Details →
M0.5 		Not felt 11 km ESE of Anza, CA 78 mi 4:57 AM Details →
M0.4 		Not felt 25 km SSW of Ocotillo Wells, CA 107 mi 7:30 AM Details →
M0.4 		Not felt 17 km ESE of Anza, CA 82 mi 4:49 AM Details →
M0.4 		Not felt 4 km WNW of Borrego Springs, CA 91 mi 11:29 AM Details →
M0.4 		Not felt 18 km ESE of Julian, CA 97 mi 4:55 PM Details →
M0.3 		Not felt 8 km NNE of Beaumont, CA 61 mi 12:50 PM Details →
M0.0 		Not felt 10 km SE of Winchester, CA 52 mi 10:03 AM Details →

📈 Earthquake History — Costa Mesa

Since 2010 · M2.5+ · 250 mi radius

Costa Mesa has recorded 13,612 earthquakes of magnitude 2.5 or greater within 250 miles since 2010. The largest was a M7.1 on Jul 6, 2019, located Ridgecrest Earthquake Sequence. On average, the area experiences approximately 1236 notable seismic events per year.

M2.5+ in Past 7 Days

Fri
0
—
Sat
0
—
Sun
0
—
Mon
2
MAX M3.6
Tue
0
—
Wed
3
MAX M3.6
Thu
0
—
Since 2010 · M2.5+ · 250 mi

Yearly Activity · 13612 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude01k2k3k4k050100150'10'13'16'19'22'252010: 2,403 (M2.5–4), 90 (M4+)2011: 732 (M2.5–4), 31 (M4+)2012: 701 (M2.5–4), 36 (M4+)2013: 489 (M2.5–4), 18 (M4+)2014: 495 (M2.5–4), 15 (M4+)2015: 376 (M2.5–4), 12 (M4+)2016: 482 (M2.5–4), 15 (M4+)2017: 362 (M2.5–4), 6 (M4+)2018: 415 (M2.5–4), 13 (M4+)2019: 3,058 (M2.5–4), 134 (M4+)2020: 867 (M2.5–4), 34 (M4+)2021: 576 (M2.5–4), 19 (M4+)2022: 405 (M2.5–4), 16 (M4+)2023: 416 (M2.5–4), 16 (M4+)2024: 614 (M2.5–4), 36 (M4+)2025: 450 (M2.5–4), 11 (M4+)2026: 259 (M2.5–4), 10 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release01k2k3k4k020.0B40.0B60.0B'10'13'16'19'22'252010: 2,493 events, Energy: 935.1M2011: 763 events, Energy: 145.8M2012: 737 events, Energy: 3.3B2013: 507 events, Energy: 92.3M2014: 510 events, Energy: 112.7M2015: 388 events, Energy: 78.6M2016: 497 events, Energy: 150.0M2017: 368 events, Energy: 27.4M2018: 428 events, Energy: 158.6M2019: 3,192 events, Energy: 49.8B2020: 901 events, Energy: 1.1B2021: 595 events, Energy: 171.4M2022: 421 events, Energy: 2.1B2023: 432 events, Energy: 122.8M2024: 650 events, Energy: 273.0M2025: 461 events, Energy: 106.0M2026: 269 events, Energy: 66.9M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
44.5
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M7.1 Jul 6, 2019
Ridgecrest Earthquake Sequence
M6.5 May 15, 2020
Monte Cristo Range, NV Earthquake
M6.4 Jul 4, 2019
Ridgecrest Earthquake Sequence
M6.3 Dec 14, 2012
279 km SSW of Avalon, California
M6.2 Nov 22, 2022
28 km SW of Las Brisas, Mexico
M6.0 Jul 8, 2021
Antelope Valley, CA
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Costa Mesa, California

What Costa Mesa 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 Costa Mesa with live tracking

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

Earthquake FAQ — Costa Mesa, California

Was there an earthquake in Costa Mesa today?

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

Did an earthquake just happen near Costa Mesa?

Check the live earthquake table above for the most recent seismic events near 92627. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Costa Mesa.

What is the earthquake history for Costa Mesa, California?

Alertra tracks USGS seismic records going back 15+ years for the Costa Mesa area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 92627.

How do I get earthquake alerts for Costa Mesa?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 92627. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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