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Earthquakes Near Bison, South Dakota 57620 Today

Live data from USGS · Monitoring ZIP code 57620 Updated just now

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

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Recent Earthquakes Near Bison, South Dakota

0 earthquakes have been recorded within 250 miles of Bison, South Dakota in the past 24 hours. Alertra monitors seismic activity near ZIP code 57620 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 Bison, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Bison, South Dakota

Alertra delivers real-time earthquake alerts for Bison and the surrounding 57620 area. When seismic activity is detected nearby, push notifications are sent within 60 seconds — no manual earthquake watch required.

Coming soon! We're working on bringing monitoring to Alertra.

📊 Earthquake Watch — Bison

Live seismic risk assessment · Updated every 60 seconds from USGS

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

No earthquakes detected near Bison. 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
Bison
LIVE EARTHQUAKES
Found 0 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Bison

Past 24 hours within 250 miles · Source: USGS

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

📈 Earthquake History — Bison

Since 2006 · M2.5+ · 250 mi radius

Bison has recorded 3,704 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 189 notable seismic events per year.

M2.5+ in Past 7 Days

Fri
0
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0
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0
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Tue
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Since 2006 · M2.5+ · 250 mi

Yearly Activity · 3704 events

Past Month
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: 173 (M2.5–4), 0 (M4+)2008: 187 (M2.5–4), 0 (M4+)2009: 135 (M2.5–4), 2 (M4+)2010: 99 (M2.5–4), 0 (M4+)2011: 173 (M2.5–4), 2 (M4+)2012: 194 (M2.5–4), 1 (M4+)2013: 172 (M2.5–4), 0 (M4+)2014: 181 (M2.5–4), 0 (M4+)2015: 231 (M2.5–4), 0 (M4+)2016: 168 (M2.5–4), 0 (M4+)2017: 218 (M2.5–4), 0 (M4+)2018: 228 (M2.5–4), 0 (M4+)2019: 187 (M2.5–4), 0 (M4+)2020: 154 (M2.5–4), 0 (M4+)2021: 182 (M2.5–4), 1 (M4+)2022: 178 (M2.5–4), 0 (M4+)2023: 200 (M2.5–4), 1 (M4+)2024: 170 (M2.5–4), 0 (M4+)2025: 213 (M2.5–4), 0 (M4+)2026: 64 (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: 173 events, Energy: 11.8M2008: 187 events, Energy: 9.7M2009: 137 events, Energy: 12.4M2010: 99 events, Energy: 6.5M2011: 175 events, Energy: 10.0M2012: 195 events, Energy: 17.3M2013: 172 events, Energy: 16.5M2014: 181 events, Energy: 22.1M2015: 231 events, Energy: 22.3M2016: 168 events, Energy: 18.0M2017: 218 events, Energy: 16.3M2018: 228 events, Energy: 13.7M2019: 187 events, Energy: 15.5M2020: 154 events, Energy: 12.5M2021: 183 events, Energy: 11.6M2022: 178 events, Energy: 9.8M2023: 201 events, Energy: 15.6M2024: 170 events, Energy: 11.3M2025: 213 events, Energy: 12.6M2026: 64 events, Energy: 4.2M
Largest Recorded
M4.5
Wyoming
May 1, 2012
Avg Noticeable / Year
0.2
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M4.5 May 1, 2012
Wyoming
M4.4 Apr 14, 2010
2 km SW of Langenburg, Canada
M4.2 Sep 25, 2009
15 km E of Alzada, Montana
M4.1 Jan 23, 2023
11 km E of Wright, Wyoming
M4.1 Jun 30, 2018
5 km SE of Arnold, Nebraska
M4.1 Feb 1, 2012
8 km SW of Langenburg, Canada
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Bison, South Dakota

What Bison 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 Bison with live tracking

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

Earthquake FAQ — Bison, South Dakota

Was there an earthquake in Bison today?

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

Did an earthquake just happen near Bison?

Check the live earthquake table above for the most recent seismic events near 57620. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Bison.

What is the earthquake history for Bison, South Dakota?

Alertra tracks USGS seismic records going back 15+ years for the Bison area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 57620.

How do I get earthquake alerts for Bison?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 57620. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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