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Earthquakes Near Spearfish, South Dakota 57799 Today

Live data from USGS Β· Monitoring ZIP code 57799 Updated just now

No earthquakes detected within 250 miles of Spearfish in the past 24 hours. The ground is quiet.

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

Recent Earthquakes Near Spearfish, South Dakota

0 earthquakes have been recorded within 250 miles of Spearfish, South Dakota in the past 24 hours. Alertra monitors seismic activity near ZIP code 57799 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 Spearfish, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Spearfish, South Dakota

Alertra delivers real-time earthquake alerts for Spearfish and the surrounding 57799 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€” Spearfish

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

Current Threat Level
All Quiet
LowModerateHigh
Threat score: 0 / 100

No earthquakes detected near Spearfish. Everything is calm.

Earthquakes nearby 0
Closest to you None detected
Strongest in last 24hr None detected
Last felt M4.0+ 1242 days ago
Tracking Area
Spearfish
LIVE EARTHQUAKES
Found 0 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Spearfish

Past 24 hours within 250 miles Β· Source: USGS

Showing events within 250 miles Β· Past 24 hours Β· Source: USGS
Sort by:
No earthquakes detected within 250 miles in the past 24 hours.

πŸ“ˆ Earthquake History β€” Spearfish

Since 2006 Β· M2.5+ Β· 250 mi radius

Spearfish has recorded 3,750 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M4.8 on Mar 30, 2014, located 22 km S of Mammoth, Wyoming. On average, the area experiences approximately 231 notable seismic events per year.

M2.5+ in Past 7 Days

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Since 2006 Β· M2.5+ Β· 250 mi

Yearly Activity Β· 3750 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude010020030001122'07'10'13'16'19'22'252006: 190 (M2.5–4), 0 (M4+)2007: 174 (M2.5–4), 0 (M4+)2008: 186 (M2.5–4), 0 (M4+)2009: 136 (M2.5–4), 2 (M4+)2010: 101 (M2.5–4), 0 (M4+)2011: 174 (M2.5–4), 2 (M4+)2012: 196 (M2.5–4), 1 (M4+)2013: 174 (M2.5–4), 0 (M4+)2014: 184 (M2.5–4), 0 (M4+)2015: 232 (M2.5–4), 0 (M4+)2016: 171 (M2.5–4), 0 (M4+)2017: 222 (M2.5–4), 1 (M4+)2018: 232 (M2.5–4), 0 (M4+)2019: 191 (M2.5–4), 0 (M4+)2020: 157 (M2.5–4), 0 (M4+)2021: 186 (M2.5–4), 1 (M4+)2022: 179 (M2.5–4), 0 (M4+)2023: 205 (M2.5–4), 1 (M4+)2024: 172 (M2.5–4), 0 (M4+)2025: 217 (M2.5–4), 0 (M4+)2026: 63 (M2.5–4), 0 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release0100200300010.0M20.0M30.0M'07'10'13'16'19'22'252006: 190 events, Energy: 14.0M2007: 174 events, Energy: 12.0M2008: 186 events, Energy: 9.7M2009: 138 events, Energy: 12.5M2010: 101 events, Energy: 6.8M2011: 176 events, Energy: 10.2M2012: 197 events, Energy: 17.3M2013: 174 events, Energy: 16.6M2014: 184 events, Energy: 21.6M2015: 232 events, Energy: 22.3M2016: 171 events, Energy: 18.1M2017: 223 events, Energy: 17.4M2018: 232 events, Energy: 13.8M2019: 191 events, Energy: 15.5M2020: 157 events, Energy: 12.6M2021: 187 events, Energy: 12.5M2022: 179 events, Energy: 10.0M2023: 206 events, Energy: 16.0M2024: 172 events, Energy: 11.3M2025: 217 events, Energy: 12.6M2026: 63 events, Energy: 4.2M
Largest Recorded
M4.8
22 km S of Mammoth, Wyoming
Mar 30, 2014
Avg Noticeable / Year
3.3
Estimated felt (MMI β‰₯ II)

Strongest Recorded Earthquakes

M4.8 Mar 30, 2014
22 km S of Mammoth, Wyoming
M4.8 Aug 27, 2016
4 km ENE of Bondurant, Wyoming
M4.8 Sep 21, 2013
20 km W of Fort Washakie, Wyoming
M4.8 Aug 5, 2010
19 km E of Kelly, Wyoming
M4.5 May 1, 2012
Wyoming
M4.4 Oct 24, 2010
20 km E of Kelly, Wyoming
πŸ“Š Looking for detailed historical data?

πŸ›‘οΈ Earthquake Safety β€” Spearfish, South Dakota

What Spearfish 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 Spearfish with live tracking

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

Earthquake FAQ β€” Spearfish, South Dakota

Was there an earthquake in Spearfish today?

No earthquakes detected within 250 miles of Spearfish in the past 24 hours. The ground is quiet. This page shows all earthquakes detected within 250 miles of Spearfish in the past 24 hours, updated every 60 seconds from USGS.

Did an earthquake just happen near Spearfish?

Check the live earthquake table above for the most recent seismic events near 57799. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Spearfish.

What is the earthquake history for Spearfish, South Dakota?

Alertra tracks USGS seismic records going back 15+ years for the Spearfish area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 57799.

How do I get earthquake alerts for Spearfish?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 57799. Alertra monitors USGS seismic data 24/7 β€” no manual earthquake watch required.

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