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228 earthquakes globally today

Earthquakes Near Grass Valley, California 95945 Today

Live data from USGS Β· Monitoring ZIP code 95945 Updated just now

56 small earthquakes nearby today, including 2 that may have been felt. This is typical activity.

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

Recent Earthquakes Near Grass Valley, California

56 earthquakes have been recorded within 250 miles of Grass Valley, California in the past 24 hours. Alertra monitors seismic activity near ZIP code 95945 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 Grass Valley, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Grass Valley, California

Alertra delivers real-time earthquake alerts for Grass Valley and the surrounding 95945 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€” Grass Valley

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

Current Threat Level
Notable
LowModerateHigh
Threat score: 41 / 100

Above-average activity near Grass Valley. Nothing dangerous, but noteworthy.

Earthquakes nearby 56
Closest to you M1.0, 85 mi
Strongest in last 24hr M4.0, Light shaking
Last felt M4.0+ 8 days ago
Tracking Area
Grass Valley
LIVE EARTHQUAKES
Found 56 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Grass Valley

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
M4.0 		Light shaking 31 km NNW of Covelo, CA 143 mi 12:25 AM Details β†’
M3.3 		Light shaking 22 km NNE of Yerington, Nevada 104 mi 1:36 AM Details β†’
M2.8 		Rarely felt 54 km W of Petrolia, CA 225 mi 4:05 PM Details β†’
M2.7 		Rarely felt 20 km SSW of Silver Peak, Nevada 208 mi 5:48 AM Details β†’
M2.6 		Rarely felt 7 km ESE of Cloverdale, CA 109 mi 9:17 PM Details β†’
M2.2 		Rarely felt 18 km ENE of Willow Creek, CA 180 mi 2:08 AM Details β†’
M2.0 		Not felt 22 km NE of San Ardo, CA 208 mi 10:04 PM Details β†’
M1.8 		Not felt 8 km ESE of Cloverdale, CA 109 mi 10:41 PM Details β†’
M1.8 		Not felt 9 km ESE of Redwood Valley, CA 113 mi 8:41 AM Details β†’
M1.8 		Not felt 16 km E of New Idria, CA 195 mi 10:43 PM Details β†’
M1.8 		Not felt 8 km W of Cobb, CA 101 mi 4:35 AM Details β†’
M1.8 		Not felt 12 km ESE of Willits, CA 121 mi 10:01 PM Details β†’
M1.8 		Not felt 22 km NE of San Ardo, CA 210 mi 4:10 AM Details β†’
M1.7 		Not felt 1 km ESE of Pinnacles, CA 184 mi 9:07 PM Details β†’
M1.6 		Not felt 1 km NNW of The Geysers, CA 100 mi 6:41 PM Details β†’
M1.6 		Not felt 38 km SE of Mina, Nevada 188 mi 8:22 AM Details β†’
M1.5 		Not felt 7 km WSW of Petrolia, CA 195 mi 5:12 AM Details β†’
M1.5 		Not felt 45 km E of Tonopah, Nevada 242 mi 3:59 AM Details β†’
M1.5 		Not felt 6 km NW of The Geysers, CA 101 mi 11:34 PM Details β†’
M1.5 		Not felt 8 km ESE of Cloverdale, CA 109 mi 10:47 PM Details β†’
M1.5 		Not felt 3 km W of Concord, CA 102 mi 9:46 PM Details β†’
M1.5 		Not felt 31 km NNW of Covelo, CA 143 mi 1:09 AM Details β†’
M1.4 		Not felt 11 km ESE of Gilroy, CA 156 mi 10:05 AM Details β†’
M1.4 		Not felt 7 km SE of Cloverdale, CA 110 mi 12:47 PM Details β†’
M1.4 		Not felt 8 km ESE of Cloverdale, CA 109 mi 6:55 AM Details β†’
M1.4 		Not felt 8 km ESE of Cloverdale, CA 109 mi 2:29 AM Details β†’
M1.4 		Not felt 8 km NNE of Cloverdale, CA 110 mi 2:05 AM Details β†’
M1.3 		Not felt 7 km ESE of Santa Venetia, CA 115 mi 6:44 PM Details β†’
M1.3 		Not felt 7 km SE of Cloverdale, CA 110 mi 7:31 PM Details β†’
M1.2 		Not felt 7 km ESE of Cloverdale, CA 110 mi 11:06 PM Details β†’
M1.1 		Not felt 8 km ESE of Cloverdale, CA 109 mi 6:49 AM Details β†’
M1.1 		Not felt 7 km SE of Cloverdale, CA 110 mi 12:48 AM Details β†’
M1.1 		Not felt 8 km ESE of Cloverdale, CA 109 mi 4:50 PM Details β†’
M1.1 		Not felt 2 km N of The Geysers, CA 99 mi 7:10 AM Details β†’
M1.1 		Not felt 1 km NNW of The Geysers, CA 100 mi 8:29 PM Details β†’
M1.1 		Not felt 6 km NW of The Geysers, CA 102 mi 5:23 PM Details β†’
M1.0 		Not felt 1 km N of The Geysers, CA 99 mi 8:28 PM Details β†’
M1.0 		Not felt 7 km NW of The Geysers, CA 101 mi 12:50 PM Details β†’
M1.0 		Not felt 3 km S of Cobb, CA 97 mi 5:34 AM Details β†’
M1.0 		Not felt 13 km NNE of Yountville, CA 85 mi 1:50 AM Details β†’
M1.0 		Not felt 3 km SSW of Anderson Springs, CA 97 mi 6:45 AM Details β†’
M1.0 		Not felt 6 km NNW of The Geysers, CA 101 mi 12:44 PM Details β†’
M0.9 		Not felt 9 km WNW of The Geysers, CA 103 mi 11:09 AM Details β†’
M0.9 		Not felt 6 km W of Cobb, CA 101 mi 4:35 AM Details β†’
M0.8 		Not felt 0 km N of The Geysers, CA 100 mi 5:38 AM Details β†’
M0.8 		Not felt 2 km N of The Geysers, CA 99 mi 4:32 PM Details β†’
M0.8 		Not felt 7 km NW of The Geysers, CA 102 mi 6:29 PM Details β†’
M0.8 		Not felt 3 km WSW of Cobb, CA 99 mi 11:52 AM Details β†’
M0.8 		Not felt 7 km WNW of The Geysers, CA 102 mi 2:54 AM Details β†’
M0.7 		Not felt 2 km NNW of The Geysers, CA 99 mi 12:26 PM Details β†’
M0.7 		Not felt 7 km NW of The Geysers, CA 101 mi 12:09 PM Details β†’
M0.7 		Not felt 8 km NW of The Geysers, CA 102 mi 8:42 AM Details β†’
M0.7 		Not felt 10 km NW of The Geysers, CA 102 mi 12:12 AM Details β†’
M0.5 		Not felt 15 km SE of Mammoth Lakes, CA 162 mi 12:19 AM Details β†’
M0.4 		Not felt 4 km W of Cobb, CA 99 mi 3:01 PM Details β†’
M0.3 		Not felt 10 km ENE of Cloverdale, CA 106 mi 6:22 AM Details β†’

πŸ“ˆ Earthquake History β€” Grass Valley

Since 2008 Β· M2.5+ Β· 250 mi radius

Grass Valley has recorded 14,043 earthquakes of magnitude 2.5 or greater within 250 miles since 2008. The largest was a M7.1 on Jul 6, 2019, located Ridgecrest Earthquake Sequence. On average, the area experiences approximately 1118 notable seismic events per year.

M2.5+ in Past 7 Days

Thu
2
MAX M3.4
Fri
3
MAX M2.9
Sat
4
MAX M3.7
Sun
1
MAX M3.6
Mon
3
MAX M2.7
Tue
6
MAX M3.3
Wed
4
MAX M4.0
Since 2008 Β· M2.5+ Β· 250 mi

Yearly Activity Β· 14043 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude05001k1.5k2k050100'10'13'16'19'22'252008: 174 (M2.5–4), 5 (M4+)2009: 484 (M2.5–4), 6 (M4+)2010: 580 (M2.5–4), 21 (M4+)2011: 653 (M2.5–4), 27 (M4+)2012: 472 (M2.5–4), 21 (M4+)2013: 670 (M2.5–4), 21 (M4+)2014: 1,011 (M2.5–4), 31 (M4+)2015: 851 (M2.5–4), 29 (M4+)2016: 602 (M2.5–4), 24 (M4+)2017: 603 (M2.5–4), 11 (M4+)2018: 458 (M2.5–4), 10 (M4+)2019: 537 (M2.5–4), 23 (M4+)2020: 1,873 (M2.5–4), 86 (M4+)2021: 1,091 (M2.5–4), 42 (M4+)2022: 653 (M2.5–4), 26 (M4+)2023: 608 (M2.5–4), 30 (M4+)2024: 879 (M2.5–4), 37 (M4+)2025: 779 (M2.5–4), 21 (M4+)2026: 568 (M2.5–4), 26 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k1.5k2k010.0B20.0B30.0B40.0B'10'13'16'19'22'252008: 179 events, Energy: 43.8M2009: 490 events, Energy: 57.3M2010: 601 events, Energy: 6.4B2011: 680 events, Energy: 121.8M2012: 493 events, Energy: 468.2M2013: 691 events, Energy: 511.1M2014: 1,042 events, Energy: 17.0B2015: 880 events, Energy: 483.4M2016: 626 events, Energy: 865.1M2017: 614 events, Energy: 91.3M2018: 468 events, Energy: 57.9M2019: 560 events, Energy: 344.5M2020: 1,959 events, Energy: 7.0B2021: 1,133 events, Energy: 3.6B2022: 679 events, Energy: 4.2B2023: 638 events, Energy: 520.9M2024: 916 events, Energy: 32.2B2025: 800 events, Energy: 126.6M2026: 594 events, Energy: 828.5M
Largest Recorded
M7.1
Ridgecrest Earthquake Sequence
Jul 6, 2019
Avg Noticeable / Year
28.2
Estimated felt (MMI β‰₯ II)

Strongest Recorded Earthquakes

M7.1 Jul 6, 2019
Ridgecrest Earthquake Sequence
M7.0 Dec 5, 2024
2024 Offshore Cape Mendocino, California Earthquake
M6.8 Mar 10, 2014
77 km WNW of Indianola, California
M6.6 Dec 8, 2016
164 km W of Ferndale, California
M6.5 May 15, 2020
Monte Cristo Range, NV Earthquake
M6.5 Jan 10, 2010
The 2010 Eureka, California Earthquake
πŸ“Š Looking for detailed historical data?

πŸ›‘οΈ Earthquake Safety β€” Grass Valley, California

What Grass Valley 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 Grass Valley with live tracking

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

Earthquake FAQ β€” Grass Valley, California

Was there an earthquake in Grass Valley today?

56 small earthquakes nearby today, including 2 that may have been felt. This is typical activity. This page shows all earthquakes detected within 250 miles of Grass Valley in the past 24 hours, updated every 60 seconds from USGS.

Did an earthquake just happen near Grass Valley?

Check the live earthquake table above for the most recent seismic events near 95945. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Grass Valley.

What is the earthquake history for Grass Valley, California?

Alertra tracks USGS seismic records going back 15+ years for the Grass Valley area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 95945.

How do I get earthquake alerts for Grass Valley?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 95945. Alertra monitors USGS seismic data 24/7 β€” no manual earthquake watch required.

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