4.0
Earthquake Details: 276 km WNW of Houma, Tonga
Sep 19, 2026, 16:21:39
- Depth
- 534.107 km
- Felt reports
- No data
Source: USGSUpdated: Oct 15, 2026, 03:24 PM UTC
A magnitude 4.0 earthquake occurred on Sep 19, 2026 at 16:21:39. Epicenter: 276 km WNW of Houma, Tonga. Reported depth: 534.107 km.
Status: Reviewed
Tsunami information
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Time & depth
- Local time
- Sep 19, 2026, 04:21:39 GMT-12
- UTC
- Sep 19, 2026, 16:21:39 UTC
534.107 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
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Nearby major cities
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSmb 4
us6000txdf
- Depth:
- 534.11 km
- Status:
- Reviewed
- Time:
- Updated:
- Oct 15, 2026, 03:24 PM UTC
Technical Details
Depth534.107 km
Significance246
Latitude-20.2604
Longitude-177.7724
Event IDus6000txdf
Magnitude4.0
Updated:Oct 15, 2026, 15:24:24 UTC
Regional Seismicity
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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: Oct 15, 2026, 15:24 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.