Recent Earthquakes Near Alton, Illinois - USGS Data
Track recent earthquakes within 200 miles of Alton, Illinois, with real-time USGS data (M1.5+). View seismic activity on our interactive map. No quakes recently? Explore other quake-prone areas.
Alton, Illinois has had: (M1.5 or greater)
0 earthquakes in the past 24 hours
1 earthquakes in the past 7 days
9 earthquakes in the past 30 days
132 earthquakes in the past 365 days
The largest earthquake in Alton, Illinois:
Past 24 Hours: No earthquakes detected
Past 7 Days: M2.1 - 8 km SW of Caruthersville, Missouri
Past 30 Days: M4.0 - 1 km WNW of Cooter, Missouri
Past 365 Days: M4.0 - 1 km WNW of Cooter, Missouri
Recent Earthquakes
All
- M2.1
8 km SW of Caruthersville, Missouri
1 day ago
|Depth: 10.50 km - M4.0
2 weeks ago
|Depth: 11.78 km
Seismic Activity Analysis
This card summarizes recent seismic activity, trends, and swarm detection for this region.
Recent Activity
Low Activity(1 earthquake in 7 days)
Activity Trend
Stable(Last 7d: 1, Prev 7d: 1)
Swarm Detection
No significant swarms detected in the last 24 hours
Nearby Areas
Explore earthquake activity in surrounding areas