2.5
Earthquake Details: 4 km E of Riverside, Maryland, United States
10/27/2025, 9:17:00 PM
A magnitude 2.5 earthquake occurred near 4 km E of Riverside, Maryland, United States on 10/27/2025 at 9:17:00 PM. The seismic event was recorded at a depth of 8.472 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth8.472 km
Significance476
Latitude39.1805
Longitude-76.8331
Event IDus6000rjt7
Magnitude2.5
Updated:1/15/2026, 10:46:57 PM
External Resources
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Time & depth
- Local time
- 10/27/2025, 5:17:00 PM EDT
- UTC
- 10/27/2025, 9:17:00 PM UTC
8.472 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Jan 15, 2026, 10:46 PM UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.