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227 earthquakes globally today

Earthquakes Near San Marino, California 91108 Today

Live data from USGS · Monitoring ZIP code 91108 Updated just now

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

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Recent Earthquakes Near San Marino, California

46 earthquakes have been recorded within 250 miles of San Marino, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 91108 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 San Marino, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for San Marino, California

Alertra delivers real-time earthquake alerts for San Marino and the surrounding 91108 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 — San Marino

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
All Quiet
LowModerateHigh
Threat score: 13 / 100

Some seismic activity near San Marino. Most too small to feel.

Earthquakes nearby 46
Closest to you M1.1, 25 mi
Strongest in last 24hr M2.9, Rarely felt
Last felt M4.0+ 6 days ago
Tracking Area
San Marino
LIVE EARTHQUAKES
Found 46 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near San Marino

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M2.9 		Rarely felt 7 km ENE of Ensenada, B.C., MX 179 mi 12:37 AM Details →
M2.2 		Rarely felt 5 km WSW of Anza, CA 90 mi 4:07 PM Details →
M2.1 		Rarely felt 32 km SSE of Campo, CA 161 mi 7:16 PM Details →
M2.1 		Rarely felt 4 km NE of Ocotillo Wells, CA 133 mi 9:11 AM Details →
M1.8 		Not felt 4 km WNW of Carpinteria, CA 85 mi 9:22 PM Details →
M1.8 		Not felt 10 km WNW of Lake Elsinore, CA 49 mi 11:23 PM Details →
M1.8 		Not felt 9 km E of Mammoth Lakes, CA 246 mi 8:43 AM Details →
M1.7 		Not felt 8 km NNW of Pinnacles, CA 243 mi 12:05 AM Details →
M1.6 		Not felt 4 km NE of Ocotillo Wells, CA 133 mi 9:11 AM Details →
M1.5 		Not felt 17 km WSW of Johannesburg, CA 84 mi 8:35 AM Details →
M1.4 		Not felt 8 km W of Holtville, CA 178 mi 6:25 AM Details →
M1.4 		Not felt 4 km NE of Ocotillo Wells, CA 133 mi 7:45 AM Details →
M1.4 		Not felt 1 km ENE of Muscoy, CA 45 mi 12:01 AM Details →
M1.4 		Not felt 6 km N of Fontana, CA 37 mi 4:14 AM Details →
M1.4 		Not felt 35 km ENE of Lucerne Valley, CA 90 mi 2:06 PM Details →
M1.3 		Not felt 18 km WSW of Johannesburg, CA 84 mi 8:12 AM Details →
M1.3 		Not felt 27 km N of Yucca Valley, CA 96 mi 12:42 AM Details →
M1.2 		Not felt 2 km W of Pinnacles, CA 239 mi 8:43 AM Details →
M1.2 		Not felt 2 km N of Valle Vista, CA 74 mi 12:42 AM Details →
M1.2 		Not felt 2 km NE of Cabazon, CA 78 mi 2:16 AM Details →
M1.1 		Not felt 23 km NE of Thermal, CA 127 mi 7:35 PM Details →
M1.1 		Not felt 3 km SE of Yucca Valley, CA 98 mi 6:02 PM Details →
M1.1 		Not felt 6 km S of Pearblossom, CA 25 mi 11:07 PM Details →
M1.1 		Not felt 23 km ENE of San Lucas, CA 210 mi 5:01 AM Details →
M1.1 		Not felt 9 km E of Mammoth Lakes, CA 246 mi 8:43 AM Details →
M1.1 		Not felt 3 km SE of Loma Linda, CA 51 mi 5:57 AM Details →
M1.0 		Not felt 11 km ESE of Anza, CA 98 mi 5:18 AM Details →
M0.9 		Not felt 2 km SSE of Loma Linda, CA 50 mi 5:46 PM Details →
M0.9 		Not felt 21 km ESE of Anza, CA 104 mi 9:06 AM Details →
M0.9 		Not felt 14 km ENE of Coso Junction, CA 138 mi 12:01 AM Details →
M0.9 		Not felt 4 km SSE of Wofford Heights, CA 109 mi 6:02 AM Details →
M0.9 		Not felt 5 km E of Running Springs, CA 61 mi 8:34 PM Details →
M0.8 		Not felt 4 km WSW of Anza, CA 90 mi 9:13 PM Details →
M0.8 		Not felt 4 km WSW of Anza, CA 90 mi 9:08 PM Details →
M0.8 		Not felt 26 km NNE of Kernville, CA 129 mi 12:21 AM Details →
M0.7 		Not felt 21 km N of Ridgecrest, CA 120 mi 10:21 PM Details →
M0.7 		Not felt 12 km SW of Searles Valley, CA 114 mi 4:41 AM Details →
M0.7 		Not felt 4 km NE of Ocotillo Wells, CA 133 mi 8:41 AM Details →
M0.5 		Not felt 9 km ENE of Mammoth Lakes, CA 248 mi 8:44 AM Details →
M0.5 		Not felt 16 km W of Searles Valley, CA 117 mi 10:03 AM Details →
M0.4 		Not felt 16 km W of Searles Valley, CA 118 mi 1:34 PM Details →
M0.4 		Not felt 10 km SSW of Idyllwild, CA 84 mi 5:55 AM Details →
M0.4 		Not felt 5 km WSW of Anza, CA 90 mi 11:54 PM Details →
M0.3 		Not felt 10 km SE of Anza, CA 97 mi 5:18 AM Details →
M0.3 		Not felt 5 km WSW of Anza, CA 90 mi 3:10 PM Details →
M0.2 		Not felt 10 km SSW of Idyllwild, CA 85 mi 9:11 AM Details →

📈 Earthquake History — San Marino

Since 2010 · M2.5+ · 250 mi radius

San Marino has recorded 15,070 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

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
Sat
1
MAX M3.6
Sun
1
MAX M2.9
Since 2010 · M2.5+ · 250 mi

Yearly Activity · 15070 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude01k2k3k4k050100150'10'13'16'19'22'252010: 2,402 (M2.5–4), 90 (M4+)2011: 824 (M2.5–4), 32 (M4+)2012: 782 (M2.5–4), 36 (M4+)2013: 578 (M2.5–4), 18 (M4+)2014: 634 (M2.5–4), 16 (M4+)2015: 456 (M2.5–4), 13 (M4+)2016: 559 (M2.5–4), 15 (M4+)2017: 537 (M2.5–4), 7 (M4+)2018: 472 (M2.5–4), 13 (M4+)2019: 3,167 (M2.5–4), 135 (M4+)2020: 966 (M2.5–4), 36 (M4+)2021: 680 (M2.5–4), 21 (M4+)2022: 482 (M2.5–4), 17 (M4+)2023: 506 (M2.5–4), 16 (M4+)2024: 673 (M2.5–4), 36 (M4+)2025: 504 (M2.5–4), 12 (M4+)2026: 323 (M2.5–4), 12 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release01k2k3k4k020.0B40.0B60.0B'10'13'16'19'22'252010: 2,492 events, Energy: 936.4M2011: 856 events, Energy: 154.0M2012: 818 events, Energy: 3.3B2013: 596 events, Energy: 95.1M2014: 650 events, Energy: 121.5M2015: 469 events, Energy: 85.0M2016: 574 events, Energy: 149.7M2017: 544 events, Energy: 42.2M2018: 485 events, Energy: 160.1M2019: 3,302 events, Energy: 49.9B2020: 1,002 events, Energy: 932.0M2021: 701 events, Energy: 179.1M2022: 499 events, Energy: 83.9M2023: 522 events, Energy: 123.5M2024: 709 events, Energy: 275.5M2025: 516 events, Energy: 112.8M2026: 335 events, Energy: 73.6M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
47.6
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 — San Marino, California

What San Marino 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 San Marino with live tracking

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

Earthquake FAQ — San Marino, California

Was there an earthquake in San Marino today?

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

Did an earthquake just happen near San Marino?

Check the live earthquake table above for the most recent seismic events near 91108. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for San Marino.

What is the earthquake history for San Marino, California?

Alertra tracks USGS seismic records going back 15+ years for the San Marino area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 91108.

How do I get earthquake alerts for San Marino?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 91108. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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