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281 earthquakes globally today

Earthquakes Near Porter Ranch, California 91326 Today

Live data from USGS · Monitoring ZIP code 91326 Updated just now

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

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Recent Earthquakes Near Porter Ranch, California

53 earthquakes have been recorded within 250 miles of Porter Ranch, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 91326 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 Porter Ranch, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Porter Ranch, California

Alertra delivers real-time earthquake alerts for Porter Ranch and the surrounding 91326 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 — Porter Ranch

Live seismic risk assessment · Updated every 60 seconds from USGS

Current Threat Level
All Quiet
LowModerateHigh
Threat score: 14 / 100

Some seismic activity near Porter Ranch. Most too small to feel.

Earthquakes nearby 53
Closest to you M0.5, 24 mi
Strongest in last 24hr M2.6, Rarely felt
Last felt M4.0+ 20 days ago
Tracking Area
Porter Ranch
LIVE EARTHQUAKES
Found 53 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Porter Ranch

Past 24 hours within 250 miles · Source: USGS

Showing events within 250 miles · Past 24 hours · Source: USGS
Sort by:
MagnitudeWhat You'd FeelLocationDistanceWhen
M2.6 		Rarely felt 6 km W of Edwards Air Force Base, CA 54 mi 10:19 AM Details →
M2.4 		Rarely felt 4 km ENE of Hawthorne, CA 28 mi 2:57 PM Details →
M2.3 		Rarely felt 4 km ENE of Heber, CA 206 mi 9:58 AM Details →
M2.2 		Rarely felt 5 km NE of Progreso, B.C., MX 208 mi 1:18 PM Details →
M1.9 		Not felt 6 km SW of Santa Paula, CA 31 mi 8:54 PM Details →
M1.9 		Not felt 4 km ENE of Heber, CA 206 mi 12:38 AM Details →
M1.8 		Not felt 26 km SSW of South Dos Palos, CA 211 mi 9:01 PM Details →
M1.8 		Not felt 39 km NE of Big Bear City, CA 118 mi 10:43 PM Details →
M1.8 		Not felt 18 km WSW of Johannesburg, CA 83 mi 12:19 AM Details →
M1.8 		Not felt 19 km NNE of Indio, CA 140 mi 2:59 AM Details →
M1.8 		Not felt 5 km SSE of Home Gardens, CA 68 mi 4:25 PM Details →
M1.6 		Not felt 4 km NNE of Nellis Air Force Base, Nevada 242 mi 9:12 PM Details →
M1.6 		Not felt 3 km ESE of Lennox, CA 27 mi 3:06 PM Details →
M1.5 		Not felt 12 km NW of Parkfield, CA 162 mi 1:15 AM Details →
M1.5 		Not felt 34 km ENE of Boron, CA 92 mi 2:55 PM Details →
M1.4 		Not felt 14 km SSW of Tres Pinos, CA 228 mi 5:30 PM Details →
M1.4 		Not felt 6 km SSW of Ojai, CA 41 mi 8:09 AM Details →
M1.4 		Not felt 4 km ENE of Heber, CA 206 mi 10:31 PM Details →
M1.3 		Not felt 4 km ENE of Heber, CA 206 mi 1:23 AM Details →
M1.3 		Not felt 2 km SE of Home Gardens, CA 67 mi 7:02 PM Details →
M1.3 		Not felt 7 km WSW of Lytle Creek, CA 57 mi 11:20 AM Details →
M1.3 		Not felt 7 km SSW of Ojai, CA 41 mi 5:46 PM Details →
M1.3 		Not felt 7 km ENE of San Diego, CA 133 mi 8:38 PM Details →
M1.2 		Not felt 17 km SW of Oasis, CA 149 mi 4:57 PM Details →
M1.2 		Not felt 18 km NW of Parkfield, CA 166 mi 4:52 AM Details →
M1.2 		Not felt 10 km NNW of Big Bear City, CA 95 mi 6:02 PM Details →
M1.1 		Not felt 10 km ENE of Ridgecrest, CA 110 mi 6:44 PM Details →
M1.1 		Not felt 5 km SSW of Ojai, CA 41 mi 8:26 AM Details →
M1.1 		Not felt 14 km N of Warner Springs, CA 125 mi 10:07 AM Details →
M1.0 		Not felt 8 km SW of Corona, CA 62 mi 1:48 AM Details →
M1.0 		Not felt 17 km WSW of Johannesburg, CA 83 mi 2:37 AM Details →
M0.9 		Not felt 17 km WSW of Johannesburg, CA 83 mi 4:26 AM Details →
M0.9 		Not felt 9 km NE of Aguanga, CA 115 mi 12:47 AM Details →
M0.9 		Not felt 21 km ESE of Anza, CA 132 mi 3:59 AM Details →
M0.8 		Not felt 10 km NE of Coso Junction, CA 133 mi 4:29 PM Details →
M0.8 		Not felt 19 km NNE of Pine Valley, CA 152 mi 10:48 AM Details →
M0.8 		Not felt 24 km SSW of La Quinta, CA 134 mi 5:39 AM Details →
M0.7 		Not felt 16 km E of Ridgecrest, CA 110 mi 11:38 AM Details →
M0.7 		Not felt 6 km WSW of Big Bear Lake, CA 91 mi 4:40 AM Details →
M0.7 		Not felt 8 km SW of Anza, CA 117 mi 2:15 PM Details →
M0.7 		Not felt 21 km NNE of Searles Valley, CA 134 mi 8:24 AM Details →
M0.7 		Not felt 3 km SW of Redlands, CA 79 mi 4:34 AM Details →
M0.6 		Not felt 5 km SSE of Redlands, CA 82 mi 5:51 AM Details →
M0.6 		Not felt 11 km WSW of Anza, CA 114 mi 3:03 AM Details →
M0.6 		Not felt 9 km SW of Idyllwild, CA 110 mi 7:23 AM Details →
M0.6 		Not felt 9 km WNW of Anza, CA 114 mi 4:08 AM Details →
M0.5 		Not felt 6 km N of Altadena, CA 24 mi 5:08 AM Details →
M0.5 		Not felt 18 km N of Borrego Springs, CA 139 mi 3:54 AM Details →
M0.5 		Not felt 18 km ESE of Anza, CA 130 mi 4:35 AM Details →
M0.3 		Not felt 7 km NNW of Anza, CA 115 mi 3:58 AM Details →
M0.3 		Not felt 9 km ESE of Valle Vista, CA 107 mi 4:09 PM Details →
M0.2 		Not felt 11 km S of Anza, CA 123 mi 5:38 AM Details →
M-0.1 		Not felt 12 km S of Anza, CA 123 mi 9:03 AM Details →

📈 Earthquake History — Porter Ranch

Since 2010 · M2.5+ · 250 mi radius

Porter Ranch has recorded 14,663 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 1219 notable seismic events per year.

M2.5+ in Past 7 Days

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

Yearly Activity · 14663 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude01k2k3k4k050100150'10'13'16'19'22'252010: 1,953 (M2.5–4), 68 (M4+)2011: 756 (M2.5–4), 22 (M4+)2012: 767 (M2.5–4), 35 (M4+)2013: 561 (M2.5–4), 15 (M4+)2014: 638 (M2.5–4), 16 (M4+)2015: 443 (M2.5–4), 12 (M4+)2016: 592 (M2.5–4), 16 (M4+)2017: 575 (M2.5–4), 8 (M4+)2018: 496 (M2.5–4), 13 (M4+)2019: 3,179 (M2.5–4), 134 (M4+)2020: 955 (M2.5–4), 32 (M4+)2021: 680 (M2.5–4), 22 (M4+)2022: 484 (M2.5–4), 13 (M4+)2023: 516 (M2.5–4), 14 (M4+)2024: 645 (M2.5–4), 34 (M4+)2025: 519 (M2.5–4), 12 (M4+)2026: 425 (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: 2,021 events, Energy: 843.0M2011: 778 events, Energy: 88.1M2012: 802 events, Energy: 3.3B2013: 576 events, Energy: 75.2M2014: 654 events, Energy: 119.9M2015: 455 events, Energy: 60.9M2016: 608 events, Energy: 153.9M2017: 583 events, Energy: 43.4M2018: 509 events, Energy: 162.1M2019: 3,313 events, Energy: 49.8B2020: 987 events, Energy: 874.0M2021: 702 events, Energy: 180.6M2022: 497 events, Energy: 69.8M2023: 530 events, Energy: 116.0M2024: 679 events, Energy: 270.5M2025: 531 events, Energy: 112.4M2026: 438 events, Energy: 78.0M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
43.6
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 — Porter Ranch, California

What Porter Ranch 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 Porter Ranch with live tracking

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

Earthquake FAQ — Porter Ranch, California

Was there an earthquake in Porter Ranch today?

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

Did an earthquake just happen near Porter Ranch?

Check the live earthquake table above for the most recent seismic events near 91326. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Porter Ranch.

What is the earthquake history for Porter Ranch, California?

Alertra tracks USGS seismic records going back 15+ years for the Porter Ranch area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 91326.

How do I get earthquake alerts for Porter Ranch?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 91326. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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