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Earthquakes Near Fontana, California 92337 Today

Live data from USGS · Monitoring ZIP code 92337 Updated just now

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

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Recent Earthquakes Near Fontana, California

58 earthquakes have been recorded within 250 miles of Fontana, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 92337 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 Fontana, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Fontana, California

Alertra delivers real-time earthquake alerts for Fontana and the surrounding 92337 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 — Fontana

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
Normal
LowModerateHigh
Threat score: 21 / 100

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

Earthquakes nearby 58
Closest to you M1.1, 11 mi
Strongest in last 24hr M3.0, Rarely felt
Last felt M4.0+ 4 days ago
Tracking Area
Fontana
LIVE EARTHQUAKES
Found 58 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Fontana

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M3.0 		Rarely felt 16 km WNW of Progreso, B.C., MX 140 mi 3:36 PM Details →
M2.6 		Rarely felt 17 km WNW of Progreso, B.C., MX 140 mi 7:45 PM Details →
M2.5 		Rarely felt 6 km NE of Cabazon, CA 43 mi 12:58 AM Details →
M2.2 		Rarely felt 17 km ENE of Thousand Palms, CA 72 mi 8:30 AM Details →
M2.2 		Rarely felt 10 km SW of Anza, CA 57 mi 10:37 AM Details →
M2.0 		Rarely felt 14 km SW of Searles Valley, CA 114 mi 9:48 PM Details →
M2.0 		Rarely felt 8 km E of Coso Junction, CA 139 mi 7:58 AM Details →
M1.7 		Not felt 8 km SSE of Redlands, CA 19 mi 1:48 AM Details →
M1.7 		Not felt 24 km NE of San Ardo, CA 233 mi 11:31 PM Details →
M1.5 		Not felt 2 km NW of Frazier Park, CA 101 mi 3:23 PM Details →
M1.5 		Not felt 11 km ENE of Aguanga, CA 58 mi 4:07 AM Details →
M1.3 		Not felt 13 km SE of Tehachapi, CA 85 mi 6:42 PM Details →
M1.2 		Not felt 1 km E of Lennox, CA 50 mi 7:35 AM Details →
M1.2 		Not felt 7 km SSW of Mojave, CA 77 mi 6:57 PM Details →
M1.1 		Not felt 9 km NNE of Ridgecrest, CA 114 mi 9:48 PM Details →
M1.1 		Not felt 6 km NE of Imperial, CA 138 mi 10:34 AM Details →
M1.1 		Not felt 2 km WSW of Loma Linda, CA 11 mi 12:04 AM Details →
M1.1 		Not felt 17 km ENE of Thousand Palms, CA 72 mi 9:32 PM Details →
M1.1 		Not felt 20 km NW of Tehachapi, CA 106 mi 9:23 PM Details →
M1.1 		Not felt 20 km SE of Bodfish, CA 109 mi 7:16 PM Details →
M1.1 		Not felt 4 km NNW of Yorba Linda, CA 23 mi 7:31 PM Details →
M1.1 		Not felt 8 km W of Pine Mountain Club, CA 114 mi 5:00 PM Details →
M1.0 		Not felt 18 km WSW of Johannesburg, CA 90 mi 10:44 AM Details →
M1.0 		Not felt 10 km NE of Coso Junction, CA 145 mi 2:55 AM Details →
M1.0 		Not felt 8 km E of Coso Junction, CA 139 mi 8:00 AM Details →
M1.0 		Not felt 6 km SSW of Redlands, CA 15 mi 6:04 AM Details →
M0.9 		Not felt 18 km WSW of Johannesburg, CA 89 mi 4:23 AM Details →
M0.9 		Not felt 11 km SW of Anza, CA 58 mi 2:35 AM Details →
M0.9 		Not felt 12 km S of Anza, CA 62 mi 10:57 PM Details →
M0.9 		Not felt 17 km ESE of Julian, CA 92 mi 3:35 PM Details →
M0.9 		Not felt 18 km E of Little Lake, CA 129 mi 10:56 PM Details →
M0.8 		Not felt 8 km E of Coso Junction, CA 139 mi 8:39 AM Details →
M0.8 		Not felt 3 km ENE of Running Springs, CA 25 mi 8:10 AM Details →
M0.8 		Not felt 6 km WNW of Little Lake, CA 135 mi 11:28 PM Details →
M0.8 		Not felt 14 km N of Indio, CA 74 mi 4:39 AM Details →
M0.8 		Not felt 12 km N of Cabazon, CA 39 mi 3:08 PM Details →
M0.7 		Not felt 6 km SE of Valle Vista, CA 43 mi 6:17 AM Details →
M0.7 		Not felt 12 km SSE of Anza, CA 63 mi 1:05 AM Details →
M0.7 		Not felt 7 km E of Borrego Springs, CA 87 mi 9:11 AM Details →
M0.7 		Not felt 12 km WSW of Searles Valley, CA 115 mi 5:18 PM Details →
M0.7 		Not felt 3 km SE of Wofford Heights, CA 125 mi 3:01 PM Details →
M0.6 		Not felt 9 km ESE of Coso Junction, CA 138 mi 9:16 AM Details →
M0.6 		Not felt 19 km NNE of Indio, CA 75 mi 4:51 AM Details →
M0.6 		Not felt 15 km N of Borrego Springs, CA 77 mi 6:25 AM Details →
M0.6 		Not felt 8 km E of Coso Junction, CA 139 mi 8:33 AM Details →
M0.6 		Not felt 8 km E of Coso Junction, CA 139 mi 12:36 PM Details →
M0.6 		Not felt 10 km SW of Anza, CA 57 mi 8:03 PM Details →
M0.6 		Not felt 6 km E of Yucaipa, CA 28 mi 3:02 PM Details →
M0.6 		Not felt 9 km SW of Salton City, CA 100 mi 10:18 AM Details →
M0.5 		Not felt 10 km SW of Anza, CA 58 mi 2:24 AM Details →
M0.5 		Not felt 11 km ESE of Kernville, CA 125 mi 10:06 AM Details →
M0.4 		Not felt 18 km W of Searles Valley, CA 120 mi 4:49 AM Details →
M0.4 		Not felt 4 km WSW of Anza, CA 56 mi 2:34 AM Details →
M0.4 		Not felt 21 km SSW of La Quinta, CA 74 mi 9:22 AM Details →
M0.3 		Not felt 11 km NNW of Warner Springs, CA 65 mi 2:51 PM Details →
M0.3 		Not felt 20 km E of Little Lake, CA 131 mi 3:20 PM Details →
M0.3 		Not felt 7 km WSW of Anza, CA 56 mi 3:45 PM Details →
M-0.6 		Not felt 15 km E of Little Lake, CA 130 mi 4:20 PM Details →

📈 Earthquake History — Fontana

Since 2010 · M2.5+ · 250 mi radius

Fontana has recorded 14,192 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 1230 notable seismic events per year.

M2.5+ in Past 7 Days

Sat
1
MAX M3.0
Sun
6
MAX M4.1
Mon
2
MAX M4.3
Tue
1
MAX M2.8
Wed
2
MAX M3.1
Thu
2
MAX M3.0
Fri
1
MAX M2.5
Since 2010 · M2.5+ · 250 mi

Yearly Activity · 14192 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude01k2k3k4k050100150'10'13'16'19'22'252010: 2,378 (M2.5–4), 91 (M4+)2011: 779 (M2.5–4), 31 (M4+)2012: 731 (M2.5–4), 36 (M4+)2013: 516 (M2.5–4), 18 (M4+)2014: 555 (M2.5–4), 15 (M4+)2015: 407 (M2.5–4), 12 (M4+)2016: 511 (M2.5–4), 14 (M4+)2017: 404 (M2.5–4), 6 (M4+)2018: 430 (M2.5–4), 13 (M4+)2019: 3,106 (M2.5–4), 135 (M4+)2020: 909 (M2.5–4), 35 (M4+)2021: 604 (M2.5–4), 19 (M4+)2022: 432 (M2.5–4), 17 (M4+)2023: 474 (M2.5–4), 18 (M4+)2024: 637 (M2.5–4), 36 (M4+)2025: 484 (M2.5–4), 12 (M4+)2026: 314 (M2.5–4), 13 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release01k2k3k4k020.0B40.0B60.0B'10'13'16'19'22'252010: 2,469 events, Energy: 936.9M2011: 810 events, Energy: 146.8M2012: 767 events, Energy: 3.3B2013: 534 events, Energy: 93.4M2014: 570 events, Energy: 114.8M2015: 419 events, Energy: 79.8M2016: 525 events, Energy: 146.9M2017: 410 events, Energy: 28.5M2018: 443 events, Energy: 159.3M2019: 3,241 events, Energy: 49.8B2020: 944 events, Energy: 1.1B2021: 623 events, Energy: 172.8M2022: 449 events, Energy: 2.1B2023: 492 events, Energy: 132.3M2024: 673 events, Energy: 274.4M2025: 496 events, Energy: 112.9M2026: 327 events, Energy: 77.9M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
60.1
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 — Fontana, California

What Fontana 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 Fontana with live tracking

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

Earthquake FAQ — Fontana, California

Was there an earthquake in Fontana today?

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

Did an earthquake just happen near Fontana?

Check the live earthquake table above for the most recent seismic events near 92337. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Fontana.

What is the earthquake history for Fontana, California?

Alertra tracks USGS seismic records going back 15+ years for the Fontana area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 92337.

How do I get earthquake alerts for Fontana?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 92337. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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