4.8
Earthquake Details: 22 km S of Serrezuela, Argentina
Dec 21, 2025, 07:02:23
- Depth
- 189.332 km
- Felt reports
- No data
Source: USGSUpdated: Mar 19, 2026, 01:56 PM UTC
A magnitude 4.8 earthquake occurred on Dec 21, 2025 at 07:02:23. Epicenter: 22 km S of Serrezuela, Argentina. Reported depth: 189.332 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Dec 21, 2025, 04:02:23 GMT-3
- UTC
- Dec 21, 2025, 07:02:23 UTC
189.332 km · Intermediate-focus
Between 70 and 300 km deep.
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Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmb 4.8
us6000rway
- Depth:
- 189.33 km
- Status:
- Reviewed
- Time:
- Updated:
- Mar 19, 2026, 01:56 PM UTC
Technical Details
Depth189.332 km
Significance354
Latitude-30.8379
Longitude-65.4287
Event IDus6000rway
Magnitude4.8
Updated:Mar 19, 2026, 13:56:09 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 19, 2026, 13:56 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.