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Earthquakes Near Long Valley, South Dakota 57547 Today

Live data from USGS Β· Monitoring ZIP code 57547 Updated just now

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

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

Recent Earthquakes Near Long Valley, South Dakota

0 earthquakes have been recorded within 250 miles of Long Valley, South Dakota in the past 24 hours. Alertra monitors seismic activity near ZIP code 57547 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 Long Valley, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Long Valley, South Dakota

Alertra delivers real-time earthquake alerts for Long Valley and the surrounding 57547 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€” Long Valley

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 Long Valley. Everything is calm.

Earthquakes nearby 0
Closest to you None detected
Strongest in last 24hr None detected
Last felt M4.0+ 2911 days ago
Tracking Area
Long Valley
LIVE EARTHQUAKES
Found 0 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Long Valley

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€” Long Valley

Since 2006 Β· M2.5+ Β· 250 mi radius

Long Valley has recorded 3,299 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M4.5 on May 1, 2012, located Wyoming. On average, the area experiences approximately 195 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· 3299 events

Past Month
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude010020030001122'07'10'13'16'19'22'252006: 186 (M2.5–4), 0 (M4+)2007: 162 (M2.5–4), 0 (M4+)2008: 176 (M2.5–4), 0 (M4+)2009: 129 (M2.5–4), 1 (M4+)2010: 96 (M2.5–4), 0 (M4+)2011: 151 (M2.5–4), 2 (M4+)2012: 167 (M2.5–4), 1 (M4+)2013: 158 (M2.5–4), 0 (M4+)2014: 161 (M2.5–4), 0 (M4+)2015: 215 (M2.5–4), 0 (M4+)2016: 157 (M2.5–4), 0 (M4+)2017: 191 (M2.5–4), 0 (M4+)2018: 205 (M2.5–4), 1 (M4+)2019: 162 (M2.5–4), 0 (M4+)2020: 126 (M2.5–4), 0 (M4+)2021: 143 (M2.5–4), 1 (M4+)2022: 146 (M2.5–4), 0 (M4+)2023: 172 (M2.5–4), 1 (M4+)2024: 139 (M2.5–4), 0 (M4+)2025: 193 (M2.5–4), 0 (M4+)2026: 57 (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: 186 events, Energy: 13.8M2007: 162 events, Energy: 11.2M2008: 176 events, Energy: 9.6M2009: 130 events, Energy: 11.3M2010: 96 events, Energy: 6.6M2011: 153 events, Energy: 9.7M2012: 168 events, Energy: 16.8M2013: 158 events, Energy: 16.2M2014: 161 events, Energy: 20.2M2015: 215 events, Energy: 22.0M2016: 157 events, Energy: 17.8M2017: 191 events, Energy: 15.4M2018: 206 events, Energy: 17.1M2019: 162 events, Energy: 14.8M2020: 126 events, Energy: 11.2M2021: 144 events, Energy: 10.0M2022: 146 events, Energy: 8.0M2023: 173 events, Energy: 14.1M2024: 139 events, Energy: 9.9M2025: 193 events, Energy: 11.2M2026: 57 events, Energy: 3.8M
Largest Recorded
M4.5
Wyoming
May 1, 2012
Avg Noticeable / Year
0.3
Estimated felt (MMI β‰₯ II)

Strongest Recorded Earthquakes

M4.5 May 1, 2012
Wyoming
M4.2 Sep 25, 2009
15 km E of Alzada, Montana
M4.1 Mar 1, 2026
4 km E of Cowles, Nebraska
M4.1 Jan 23, 2023
11 km E of Wright, Wyoming
M4.1 Jun 30, 2018
5 km SE of Arnold, Nebraska
M4.0 Jul 20, 2021
26 km ESE of Wright, Wyoming
πŸ“Š Looking for detailed historical data?

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

What Long 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 Long Valley with live tracking

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

Earthquake FAQ β€” Long Valley, South Dakota

Was there an earthquake in Long Valley today?

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

Did an earthquake just happen near Long Valley?

Check the live earthquake table above for the most recent seismic events near 57547. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Long Valley.

What is the earthquake history for Long Valley, South Dakota?

Alertra tracks USGS seismic records going back 15+ years for the Long Valley area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 57547.

How do I get earthquake alerts for Long Valley?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 57547. Alertra monitors USGS seismic data 24/7 β€” no manual earthquake watch required.

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We're putting the final touches on the Alertra app. Enter your email below to join the waitlist and get early access.