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227 earthquakes globally today

Earthquakes Near Grass Valley, California 95949 Today

Live data from USGS Β· Monitoring ZIP code 95949 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 95949 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 95949 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, 75 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 139 mi 12:25 AM Details β†’
M3.3 		Light shaking 22 km NNE of Yerington, Nevada 112 mi 1:36 AM Details β†’
M2.8 		Rarely felt 54 km W of Petrolia, CA 220 mi 4:05 PM Details β†’
M2.7 		Rarely felt 20 km SSW of Silver Peak, Nevada 212 mi 5:48 AM Details β†’
M2.6 		Rarely felt 7 km ESE of Cloverdale, CA 99 mi 9:17 PM Details β†’
M2.2 		Rarely felt 18 km ENE of Willow Creek, CA 179 mi 2:08 AM Details β†’
M2.0 		Not felt 22 km NE of San Ardo, CA 203 mi 10:04 PM Details β†’
M1.8 		Not felt 8 km ESE of Cloverdale, CA 99 mi 10:41 PM Details β†’
M1.8 		Not felt 9 km ESE of Redwood Valley, CA 106 mi 8:41 AM Details β†’
M1.8 		Not felt 16 km E of New Idria, CA 190 mi 10:43 PM Details β†’
M1.8 		Not felt 8 km W of Cobb, CA 92 mi 4:35 AM Details β†’
M1.8 		Not felt 12 km ESE of Willits, CA 114 mi 10:01 PM Details β†’
M1.8 		Not felt 22 km NE of San Ardo, CA 204 mi 4:10 AM Details β†’
M1.7 		Not felt 1 km ESE of Pinnacles, CA 178 mi 9:07 PM Details β†’
M1.6 		Not felt 1 km NNW of The Geysers, CA 90 mi 6:41 PM Details β†’
M1.6 		Not felt 38 km SE of Mina, Nevada 193 mi 8:22 AM Details β†’
M1.5 		Not felt 7 km WSW of Petrolia, CA 190 mi 5:12 AM Details β†’
M1.5 		Not felt 45 km E of Tonopah, Nevada 248 mi 3:59 AM Details β†’
M1.5 		Not felt 6 km NW of The Geysers, CA 92 mi 11:34 PM Details β†’
M1.5 		Not felt 8 km ESE of Cloverdale, CA 99 mi 10:47 PM Details β†’
M1.5 		Not felt 3 km W of Concord, CA 92 mi 9:46 PM Details β†’
M1.5 		Not felt 31 km NNW of Covelo, CA 139 mi 1:09 AM Details β†’
M1.4 		Not felt 11 km ESE of Gilroy, CA 148 mi 10:05 AM Details β†’
M1.4 		Not felt 7 km SE of Cloverdale, CA 100 mi 12:47 PM Details β†’
M1.4 		Not felt 8 km ESE of Cloverdale, CA 100 mi 6:55 AM Details β†’
M1.4 		Not felt 8 km ESE of Cloverdale, CA 100 mi 2:29 AM Details β†’
M1.4 		Not felt 8 km NNE of Cloverdale, CA 101 mi 2:05 AM Details β†’
M1.3 		Not felt 7 km ESE of Santa Venetia, CA 105 mi 6:44 PM Details β†’
M1.3 		Not felt 7 km SE of Cloverdale, CA 100 mi 7:31 PM Details β†’
M1.2 		Not felt 7 km ESE of Cloverdale, CA 100 mi 11:06 PM Details β†’
M1.1 		Not felt 8 km ESE of Cloverdale, CA 100 mi 6:49 AM Details β†’
M1.1 		Not felt 7 km SE of Cloverdale, CA 100 mi 12:48 AM Details β†’
M1.1 		Not felt 8 km ESE of Cloverdale, CA 99 mi 4:50 PM Details β†’
M1.1 		Not felt 2 km N of The Geysers, CA 90 mi 7:10 AM Details β†’
M1.1 		Not felt 1 km NNW of The Geysers, CA 90 mi 8:29 PM Details β†’
M1.1 		Not felt 6 km NW of The Geysers, CA 92 mi 5:23 PM Details β†’
M1.0 		Not felt 1 km N of The Geysers, CA 90 mi 8:28 PM Details β†’
M1.0 		Not felt 7 km NW of The Geysers, CA 92 mi 12:50 PM Details β†’
M1.0 		Not felt 3 km S of Cobb, CA 88 mi 5:34 AM Details β†’
M1.0 		Not felt 13 km NNE of Yountville, CA 75 mi 1:50 AM Details β†’
M1.0 		Not felt 3 km SSW of Anderson Springs, CA 88 mi 6:45 AM Details β†’
M1.0 		Not felt 6 km NNW of The Geysers, CA 91 mi 12:44 PM Details β†’
M0.9 		Not felt 9 km WNW of The Geysers, CA 94 mi 11:09 AM Details β†’
M0.9 		Not felt 6 km W of Cobb, CA 91 mi 4:35 AM Details β†’
M0.8 		Not felt 0 km N of The Geysers, CA 90 mi 5:38 AM Details β†’
M0.8 		Not felt 2 km N of The Geysers, CA 90 mi 4:32 PM Details β†’
M0.8 		Not felt 7 km NW of The Geysers, CA 92 mi 6:29 PM Details β†’
M0.8 		Not felt 3 km WSW of Cobb, CA 90 mi 11:52 AM Details β†’
M0.8 		Not felt 7 km WNW of The Geysers, CA 93 mi 2:54 AM Details β†’
M0.7 		Not felt 2 km NNW of The Geysers, CA 90 mi 12:26 PM Details β†’
M0.7 		Not felt 7 km NW of The Geysers, CA 92 mi 12:09 PM Details β†’
M0.7 		Not felt 8 km NW of The Geysers, CA 92 mi 8:42 AM Details β†’
M0.7 		Not felt 10 km NW of The Geysers, CA 93 mi 12:12 AM Details β†’
M0.5 		Not felt 15 km SE of Mammoth Lakes, CA 163 mi 12:19 AM Details β†’
M0.4 		Not felt 4 km W of Cobb, CA 90 mi 3:01 PM Details β†’
M0.3 		Not felt 10 km ENE of Cloverdale, CA 97 mi 6:22 AM Details β†’

πŸ“ˆ Earthquake History β€” Grass Valley

Since 2006 Β· M2.5+ Β· 250 mi radius

Grass Valley has recorded 15,759 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M7.0 on Dec 5, 2024, located 2024 Offshore Cape Mendocino, California Earthquake. On average, the area experiences approximately 931 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 2006 Β· M2.5+ Β· 250 mi

Yearly Activity Β· 15759 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude05001k1.5k2k050100'07'10'13'16'19'22'252006: 569 (M2.5–4), 15 (M4+)2007: 577 (M2.5–4), 20 (M4+)2008: 665 (M2.5–4), 21 (M4+)2009: 502 (M2.5–4), 6 (M4+)2010: 589 (M2.5–4), 22 (M4+)2011: 654 (M2.5–4), 27 (M4+)2012: 476 (M2.5–4), 22 (M4+)2013: 670 (M2.5–4), 21 (M4+)2014: 1,041 (M2.5–4), 34 (M4+)2015: 845 (M2.5–4), 28 (M4+)2016: 601 (M2.5–4), 25 (M4+)2017: 607 (M2.5–4), 12 (M4+)2018: 460 (M2.5–4), 11 (M4+)2019: 540 (M2.5–4), 23 (M4+)2020: 1,865 (M2.5–4), 86 (M4+)2021: 1,097 (M2.5–4), 42 (M4+)2022: 656 (M2.5–4), 26 (M4+)2023: 615 (M2.5–4), 30 (M4+)2024: 882 (M2.5–4), 38 (M4+)2025: 758 (M2.5–4), 22 (M4+)2026: 534 (M2.5–4), 25 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release05001k1.5k2k010.0B20.0B30.0B40.0B'07'10'13'16'19'22'252006: 584 events, Energy: 109.4M2007: 597 events, Energy: 613.1M2008: 686 events, Energy: 298.3M2009: 508 events, Energy: 58.1M2010: 611 events, Energy: 6.4B2011: 681 events, Energy: 121.8M2012: 498 events, Energy: 513.2M2013: 691 events, Energy: 511.4M2014: 1,075 events, Energy: 17.0B2015: 873 events, Energy: 467.4M2016: 626 events, Energy: 866.3M2017: 619 events, Energy: 92.4M2018: 471 events, Energy: 63.6M2019: 563 events, Energy: 344.7M2020: 1,951 events, Energy: 7.0B2021: 1,139 events, Energy: 3.6B2022: 682 events, Energy: 4.2B2023: 645 events, Energy: 521.0M2024: 920 events, Energy: 32.2B2025: 780 events, Energy: 127.3M2026: 559 events, Energy: 820.8M
Largest Recorded
M7.0
2024 Offshore Cape Mendocino, California Earthquake
Dec 5, 2024
Avg Noticeable / Year
29.2
Estimated felt (MMI β‰₯ II)

Strongest Recorded Earthquakes

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
M6.4 Dec 20, 2022
15km WSW of Ferndale, CA
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 95949. 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 95949.

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 95949. Alertra monitors USGS seismic data 24/7 β€” no manual earthquake watch required.

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