3.2
Earthquake Details: 12 km NNW of Avon, Montana, United States
Dec 9, 2025, 18:22:26
- Depth
- 12.117 km
- Felt reports
- 1
Source: USGSUpdated: Mar 4, 2026, 06:43 PM UTC
A magnitude 3.2 earthquake occurred on Dec 9, 2025 at 18:22:26. Epicenter: 12 km NNW of Avon, Montana, United States. Reported depth: 12.117 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Dec 9, 2025, 11:22:26 MST
- UTC
- Dec 9, 2025, 18:22:26 UTC
12.117 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSml 3.2
us6000rtph
- Depth:
- 12.12 km
- Status:
- Reviewed
- Time:
- Updated:
- Mar 4, 2026, 06:43 PM UTC
Technical Details
Depth12.117 km
Significance158
Latitude46.6877
Longitude-112.6895
Event IDus6000rtph
Magnitude3.2
Updated:Mar 4, 2026, 18:43:59 UTC
Regional Seismicity
External Resources
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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: Mar 4, 2026, 18:43 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.