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Earthquakes Near Dennison, Ohio 44621 Today

Live data from USGS · Monitoring ZIP code 44621 Updated just now

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

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Recent Earthquakes Near Dennison, Ohio

0 earthquakes have been recorded within 250 miles of Dennison, Ohio in the past 24 hours. Alertra monitors seismic activity near ZIP code 44621 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 Dennison, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Dennison, Ohio

Alertra delivers real-time earthquake alerts for Dennison and the surrounding 44621 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 — Dennison

Live seismic risk assessment · Updated every 60 seconds from USGS

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

No earthquakes detected near Dennison. Everything is calm.

Earthquakes nearby 0
Closest to you None detected
Strongest in last 24hr None detected
Last felt M4.0+ 2565 days ago
Tracking Area
Dennison
LIVE EARTHQUAKES
Found 0 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Dennison

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 — Dennison

Since 2006 · M2.5+ · 250 mi radius

Dennison has recorded 187 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M5.8 on Aug 23, 2011, located 11 km SSW of Mineral, Virginia. On average, the area experiences approximately 21 notable seismic events per year.

M2.5+ in Past 7 Days

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Since 2006 · M2.5+ · 250 mi

Yearly Activity · 187 events

Past 3 Months
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude051015200123'07'10'13'16'19'22'252006: 11 (M2.5–4), 2 (M4+)2007: 12 (M2.5–4), 0 (M4+)2008: 7 (M2.5–4), 0 (M4+)2009: 12 (M2.5–4), 0 (M4+)2010: 19 (M2.5–4), 0 (M4+)2011: 18 (M2.5–4), 3 (M4+)2012: 11 (M2.5–4), 1 (M4+)2013: 15 (M2.5–4), 0 (M4+)2014: 2 (M2.5–4), 0 (M4+)2015: 5 (M2.5–4), 1 (M4+)2016: 5 (M2.5–4), 0 (M4+)2017: 10 (M2.5–4), 0 (M4+)2018: 3 (M2.5–4), 0 (M4+)2019: 7 (M2.5–4), 1 (M4+)2020: 5 (M2.5–4), 0 (M4+)2021: 6 (M2.5–4), 0 (M4+)2022: 4 (M2.5–4), 0 (M4+)2023: 7 (M2.5–4), 0 (M4+)2024: 8 (M2.5–4), 0 (M4+)2025: 7 (M2.5–4), 0 (M4+)2026: 5 (M2.5–4), 0 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release010203005.0M10.0M'07'10'13'16'19'22'252006: 13 events, Energy: 6.0M2007: 12 events, Energy: 802.3k2008: 7 events, Energy: 339.0k2009: 12 events, Energy: 293.8k2010: 19 events, Energy: 1.1M2011: 21 events, Energy: 9.2M2012: 12 events, Energy: 2.2M2013: 15 events, Energy: 478.5k2014: 2 events, Energy: 13.6k2015: 6 events, Energy: 2.1M2016: 5 events, Energy: 405.6k2017: 10 events, Energy: 410.9k2018: 3 events, Energy: 139.5k2019: 8 events, Energy: 1.2M2020: 5 events, Energy: 130.3k2021: 6 events, Energy: 79.2k2022: 4 events, Energy: 35.0k2023: 7 events, Energy: 801.9k2024: 8 events, Energy: 149.9k2025: 7 events, Energy: 193.7k2026: 5 events, Energy: 82.1k
Largest Recorded
M5.8
11 km SSW of Mineral, Virginia
Aug 23, 2011
Avg Noticeable / Year
0.5
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M5.8 Aug 23, 2011
11 km SSW of Mineral, Virginia
M5.2 Apr 18, 2008
7 km NNE of Bellmont, Illinois
M5.1 Aug 9, 2020
4 km SE of Sparta, North Carolina
M4.7 Apr 18, 2008
9 km NNE of Bellmont, Illinois
M4.5 Aug 25, 2011
8 km SW of Mineral, Virginia
M4.4 Dec 12, 2018
12 km NNE of Decatur, Tennessee
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Dennison, Ohio

What Dennison 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 Dennison with live tracking

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

Earthquake FAQ — Dennison, Ohio

Was there an earthquake in Dennison today?

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

Did an earthquake just happen near Dennison?

Check the live earthquake table above for the most recent seismic events near 44621. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Dennison.

What is the earthquake history for Dennison, Ohio?

Alertra tracks USGS seismic records going back 15+ years for the Dennison area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 44621.

How do I get earthquake alerts for Dennison?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 44621. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

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