4.2
Earthquake Details: 16 km SSE of Ilongero, Tanzania
Dec 30, 2025, 01:31:57
- Depth
- 10 km
- Felt reports
- No data
Source: USGSUpdated: Apr 1, 2026, 10:49 PM UTC
A magnitude 4.2 earthquake occurred on Dec 30, 2025 at 01:31:57. Epicenter: 16 km SSE of Ilongero, Tanzania. Reported depth: 10 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Dec 30, 2025, 04:31:57 GMT+3
- UTC
- Dec 30, 2025, 01:31:57 UTC
10 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.
- USGSmb 4.2
us7000rr4t
- Depth:
- 10 km
- Status:
- Reviewed
- Time:
- Updated:
- Apr 1, 2026, 10:49 PM UTC
Technical Details
Depth10 km
Significance271
Latitude-4.7938
Longitude34.9508
Event IDus7000rr4t
Magnitude4.2
Updated:Apr 1, 2026, 22:49:05 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: Apr 1, 2026, 22:49 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.