ALERTRA
220 earthquakes globally today

Earthquakes Near El Cajon, California 92021 Today

Live data from USGS Β· Monitoring ZIP code 92021 Updated just now

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

πŸ“± Get earthquake alerts β€” download the app for real-time notifications

Recent Earthquakes Near El Cajon, California

41 earthquakes have been recorded within 250 miles of El Cajon, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 92021 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 El Cajon, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for El Cajon, California

Alertra delivers real-time earthquake alerts for El Cajon and the surrounding 92021 area. When seismic activity is detected nearby, push notifications are sent within 60 seconds β€” no manual earthquake watch required.

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

πŸ“Š Earthquake Watch β€” El Cajon

Live seismic risk assessment Β· Updated every 60 seconds from USGS

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

Some seismic activity near El Cajon. Most too small to feel.

Earthquakes nearby 41
Closest to you M1.1, 23 mi
Strongest in last 24hr M1.9, Not felt
Last felt M4.0+ 69 days ago
Tracking Area
El Cajon
LIVE EARTHQUAKES
Found 41 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near El Cajon

Past 24 hours within 250 miles Β· Source: USGS

Showing events within 250 miles Β· Past 24 hours Β· Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M1.9 		Not felt 2 km ENE of Colton, CA 90 mi 8:57 AM Details β†’
M1.7 		Not felt 20 km E of McFarland, CA 229 mi 8:46 AM Details β†’
M1.6 		Not felt 4 km SW of Paramount, CA 104 mi 7:36 PM Details β†’
M1.5 		Not felt 22 km NNW of Borrego Springs, CA 50 mi 6:03 AM Details β†’
M1.4 		Not felt 8 km NNE of Imperial, CA 78 mi 12:15 PM Details β†’
M1.4 		Not felt 10 km WSW of Corona, CA 82 mi 6:30 AM Details β†’
M1.3 		Not felt 4 km WNW of Santa Paula, CA 166 mi 10:20 PM Details β†’
M1.3 		Not felt 10 km NE of Coso Junction, CA 234 mi 12:07 PM Details β†’
M1.3 		Not felt 7 km SE of Valle Vista, CA 60 mi 5:01 AM Details β†’
M1.2 		Not felt 9 km SW of Grapevine, CA 188 mi 11:22 AM Details β†’
M1.1 		Not felt 3 km ENE of Escondido, CA 23 mi 9:45 PM Details β†’
M1.1 		Not felt 3 km SSE of Bombay Beach, CA 75 mi 9:25 PM Details β†’
M1.1 		Not felt 9 km SW of Niland, CA 78 mi 7:38 AM Details β†’
M1.1 		Not felt 4 km ENE of Escondido, CA 23 mi 8:11 PM Details β†’
M1.1 		Not felt 9 km SW of Niland, CA 78 mi 7:55 AM Details β†’
M1.1 		Not felt 18 km N of Pine Mountain Club, CA 198 mi 3:08 PM Details β†’
M1.0 		Not felt 5 km WNW of Calimesa, CA 82 mi 1:15 PM Details β†’
M1.0 		Not felt 11 km N of Coso Junction, CA 236 mi 8:50 AM Details β†’
M1.0 		Not felt 28 km ENE of Pine Valley, CA 36 mi 5:15 AM Details β†’
M1.0 		Not felt 18 km SSW of Searles Valley, CA 195 mi 8:00 PM Details β†’
M1.0 		Not felt 4 km NNE of Yucca Valley, CA 94 mi 10:16 PM Details β†’
M0.9 		Not felt 15 km E of Coso Junction, CA 227 mi 11:44 PM Details β†’
M0.9 		Not felt 9 km S of Campo, CA 32 mi 8:25 AM Details β†’
M0.9 		Not felt 20 km ESE of Little Lake, CA 216 mi 5:15 PM Details β†’
M0.9 		Not felt 23 km N of Borrego Springs, CA 51 mi 5:03 AM Details β†’
M0.9 		Not felt 14 km NE of Indio, CA 80 mi 12:44 PM Details β†’
M0.9 		Not felt 8 km NNW of Lake Henshaw, CA 33 mi 1:44 PM Details β†’
M0.8 		Not felt 16 km W of Searles Valley, CA 206 mi 4:42 AM Details β†’
M0.8 		Not felt 12 km SSW of Olancha, CA 240 mi 3:28 PM Details β†’
M0.8 		Not felt 22 km NNE of Indio, CA 86 mi 11:08 AM Details β†’
M0.7 		Not felt 8 km NNW of Lake Henshaw, CA 33 mi 2:38 PM Details β†’
M0.7 		Not felt 10 km NNW of Anza, CA 56 mi 6:49 PM Details β†’
M0.7 		Not felt 4 km NNW of Anza, CA 53 mi 1:53 AM Details β†’
M0.5 		Not felt 8 km SSW of Idyllwild, CA 58 mi 8:07 PM Details β†’
M0.4 		Not felt 23 km N of Borrego Springs, CA 51 mi 5:04 AM Details β†’
M0.4 		Not felt 17 km ESE of Anza, CA 51 mi 6:49 AM Details β†’
M0.3 		Not felt 9 km ENE of Julian, CA 28 mi 12:07 PM Details β†’
M0.3 		Not felt 22 km SSW of La Quinta, CA 52 mi 4:55 PM Details β†’
M0.1 		Not felt 3 km WSW of Anza, CA 50 mi 10:28 PM Details β†’
M0.1 		Not felt 7 km SE of Valle Vista, CA 60 mi 5:03 AM Details β†’
M0.1 		Not felt 12 km W of Anza, CA 51 mi 12:37 PM Details β†’

πŸ“ˆ Earthquake History β€” El Cajon

Since 2006 Β· M2.5+ Β· 250 mi radius

El Cajon has recorded 16,967 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M7.2 on Apr 4, 2010, located The 2010 Sierra El Mayor, B.C., Mexico Earthquake. On average, the area experiences approximately 886 notable seismic events per year.

M2.5+ in Past 7 Days

Mon
0
β€”
Tue
0
β€”
Wed
0
β€”
Thu
1
MAX M2.9
Fri
1
MAX M2.5
Sat
0
β€”
Sun
0
β€”
Since 2006 Β· M2.5+ Β· 250 mi

Yearly Activity Β· 16967 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude02k4k6k050100150200'07'10'13'16'19'22'252006: 456 (M2.5–4), 18 (M4+)2007: 393 (M2.5–4), 19 (M4+)2008: 657 (M2.5–4), 34 (M4+)2009: 537 (M2.5–4), 29 (M4+)2010: 4,263 (M2.5–4), 184 (M4+)2011: 669 (M2.5–4), 30 (M4+)2012: 642 (M2.5–4), 48 (M4+)2013: 439 (M2.5–4), 19 (M4+)2014: 421 (M2.5–4), 33 (M4+)2015: 326 (M2.5–4), 11 (M4+)2016: 420 (M2.5–4), 23 (M4+)2017: 308 (M2.5–4), 5 (M4+)2018: 359 (M2.5–4), 19 (M4+)2019: 3,014 (M2.5–4), 141 (M4+)2020: 737 (M2.5–4), 28 (M4+)2021: 517 (M2.5–4), 21 (M4+)2022: 367 (M2.5–4), 15 (M4+)2023: 392 (M2.5–4), 16 (M4+)2024: 572 (M2.5–4), 33 (M4+)2025: 410 (M2.5–4), 10 (M4+)2026: 319 (M2.5–4), 13 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release02k4k6k020.0B40.0B60.0B80.0B'07'10'13'16'19'22'252006: 474 events, Energy: 262.2M2007: 412 events, Energy: 91.1M2008: 691 events, Energy: 497.1M2009: 566 events, Energy: 702.9M2010: 4,447 events, Energy: 65.3B2011: 699 events, Energy: 158.5M2012: 690 events, Energy: 3.4B2013: 458 events, Energy: 102.7M2014: 454 events, Energy: 435.8M2015: 337 events, Energy: 63.0M2016: 443 events, Energy: 375.2M2017: 313 events, Energy: 24.7M2018: 378 events, Energy: 201.4M2019: 3,155 events, Energy: 49.9B2020: 765 events, Energy: 557.8M2021: 538 events, Energy: 166.8M2022: 382 events, Energy: 2.1B2023: 408 events, Energy: 122.7M2024: 605 events, Energy: 251.6M2025: 420 events, Energy: 102.3M2026: 332 events, Energy: 74.5M
Largest Recorded
M7.2
The 2010 Sierra El Mayor, B.C., Mexico Earthquake
Apr 4, 2010
Avg Noticeable / Year
67.7
Estimated felt (MMI β‰₯ II)

Strongest Recorded Earthquakes

M7.2 Apr 4, 2010
The 2010 Sierra El Mayor, B.C., Mexico Earthquake
M7.1 Jul 6, 2019
Ridgecrest Earthquake Sequence
M7.0 Apr 12, 2012
69 km ENE of San Luis, Mexico
M6.9 Aug 3, 2009
96 km WNW of BahΓ­a de Kino, Mexico
M6.4 Jul 4, 2019
Ridgecrest Earthquake Sequence
M6.3 Dec 14, 2012
279 km SSW of Avalon, California
πŸ“Š Looking for detailed historical data?

πŸ›‘οΈ Earthquake Safety β€” El Cajon, California

What El Cajon 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.

πŸ›‘οΈ 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.

πŸšͺ 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

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

πŸ“ Nearby Earthquake Monitoring

Cities near El Cajon with live tracking

πŸ”” Get earthquake alerts for El Cajon
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 El Cajon. Our threat scores, historical trend charts, and proximity alerts are all derived from this data β€” updated every 60 seconds.

Earthquake FAQ β€” El Cajon, California

Was there an earthquake in El Cajon today?

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

Did an earthquake just happen near El Cajon?

Check the live earthquake table above for the most recent seismic events near 92021. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for El Cajon.

What is the earthquake history for El Cajon, California?

Alertra tracks USGS seismic records going back 15+ years for the El Cajon area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 92021.

How do I get earthquake alerts for El Cajon?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 92021. Alertra monitors USGS seismic data 24/7 β€” 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.