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Earthquakes Near Mount Lemmon, Arizona 85619 Today

Live data from USGS · Monitoring ZIP code 85619 Updated just now

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

📱 Get earthquake alerts — download the app for real-time notifications

Recent Earthquakes Near Mount Lemmon, Arizona

0 earthquakes have been recorded within 250 miles of Mount Lemmon, Arizona in the past 24 hours. Alertra monitors seismic activity near ZIP code 85619 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 Mount Lemmon, this earthquake watch dashboard provides real-time magnitude data, an interactive seismic map, and earthquake history going back 15+ years.

Earthquake Alerts for Mount Lemmon, Arizona

Alertra delivers real-time earthquake alerts for Mount Lemmon and the surrounding 85619 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 — Mount Lemmon

Live seismic risk assessment · Updated every 60 seconds from USGS

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

No earthquakes detected near Mount Lemmon. Everything is calm.

Earthquakes nearby 0
Closest to you None detected
Strongest in last 24hr None detected
Last felt M4.0+ 1068 days ago
Tracking Area
Mount Lemmon
LIVE EARTHQUAKES
Found 0 in region
Major (6.0+)
Moderate (4.0 - 5.9)
Minor (Below 4.0)
Your Location

🌍 Recent Earthquakes Near Mount Lemmon

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 — Mount Lemmon

Since 2006 · M2.5+ · 250 mi radius

Mount Lemmon has recorded 649 earthquakes of magnitude 2.5 or greater within 250 miles since 2006. The largest was a M7.2 on Apr 4, 2010, located The 2010 Sierra El Mayor, B.C., Mexico Earthquake. On average, the area experiences approximately 550 notable seismic events per year.

M2.5+ in Past 7 Days

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Since 2006 · M2.5+ · 250 mi

Yearly Activity · 649 events

Past Week
View:
M2.5–4 (bars)
M4+ (line, right axis)
Yearly Earthquake Activity by Magnitude0501001502000102030'07'10'13'16'19'22'252006: 7 (M2.5–4), 0 (M4+)2007: 12 (M2.5–4), 2 (M4+)2008: 15 (M2.5–4), 0 (M4+)2009: 9 (M2.5–4), 7 (M4+)2010: 160 (M2.5–4), 9 (M4+)2011: 32 (M2.5–4), 3 (M4+)2012: 12 (M2.5–4), 14 (M4+)2013: 21 (M2.5–4), 6 (M4+)2014: 51 (M2.5–4), 20 (M4+)2015: 32 (M2.5–4), 2 (M4+)2016: 13 (M2.5–4), 4 (M4+)2017: 7 (M2.5–4), 0 (M4+)2018: 13 (M2.5–4), 6 (M4+)2019: 19 (M2.5–4), 7 (M4+)2020: 12 (M2.5–4), 1 (M4+)2021: 23 (M2.5–4), 21 (M4+)2022: 19 (M2.5–4), 4 (M4+)2023: 27 (M2.5–4), 2 (M4+)2024: 19 (M2.5–4), 2 (M4+)2025: 31 (M2.5–4), 1 (M4+)2026: 4 (M2.5–4), 0 (M4+)
Event count (bars)
Seismic energy index (line)
Yearly Seismic Energy Release0501001502000200.0M400.0M600.0M'07'10'13'16'19'22'252006: 7 events, Energy: 190.7k2007: 14 events, Energy: 18.7M2008: 15 events, Energy: 4.3M2009: 16 events, Energy: 35.7M2010: 169 events, Energy: 32.0M2011: 35 events, Energy: 29.2M2012: 26 events, Energy: 156.7M2013: 27 events, Energy: 21.2M2014: 71 events, Energy: 427.9M2015: 34 events, Energy: 5.9M2016: 17 events, Energy: 14.9M2017: 7 events, Energy: 212.6k2018: 19 events, Energy: 40.6M2019: 26 events, Energy: 83.4M2020: 13 events, Energy: 178.3M2021: 44 events, Energy: 187.6M2022: 23 events, Energy: 157.6M2023: 29 events, Energy: 12.8M2024: 21 events, Energy: 4.4M2025: 32 events, Energy: 2.5M2026: 4 events, Energy: 30.4k
Largest Recorded
M7.2
The 2010 Sierra El Mayor, B.C., Mexico Earthquake
Apr 4, 2010
Avg Noticeable / Year
3.3
Estimated felt (MMI ≥ II)

Strongest Recorded Earthquakes

M7.2 Apr 4, 2010
The 2010 Sierra El Mayor, B.C., Mexico Earthquake
M7.0 Apr 12, 2012
69 km ENE of San Luis, Mexico
M6.9 Aug 3, 2009
96 km WNW of Bahía de Kino, Mexico
M6.6 Jan 4, 2006
75 km SSW of Bahía de Kino, Mexico
M6.2 Aug 3, 2009
97 km N of San Luis, Mexico
M6.1 Nov 4, 2022
82 km SSW of Bahía de Kino, Mexico
📊 Looking for detailed historical data?

🛡️ Earthquake Safety — Mount Lemmon, Arizona

What Mount Lemmon 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 Mount Lemmon with live tracking

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

Earthquake FAQ — Mount Lemmon, Arizona

Was there an earthquake in Mount Lemmon today?

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

Did an earthquake just happen near Mount Lemmon?

Check the live earthquake table above for the most recent seismic events near 85619. Alertra detects earthquakes right now as they happen and can send you instant earthquake alerts for Mount Lemmon.

What is the earthquake history for Mount Lemmon, Arizona?

Alertra tracks USGS seismic records going back 15+ years for the Mount Lemmon area. View the historical trends chart above to see yearly earthquake frequency and the largest recorded event near 85619.

How do I get earthquake alerts for Mount Lemmon?

Download the Alertra app to receive push notifications within 60 seconds of any earthquake detected near 85619. Alertra monitors USGS seismic data 24/7 — no manual earthquake watch required.

App Coming Soon!

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