4.4
Earthquake Details: 276 km WNW of Houma, Tonga
Sep 20, 2026, 15:33:50
A magnitude 4.4 earthquake occurred near 276 km WNW of Houma, Tonga on Sep 20, 2026 at 15:33:50. The seismic event was recorded at a depth of 507.08 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth507.08 km
Significance298
Latitude-20.3079
Longitude-177.7935
Event IDus7000tis4
Magnitude4.4
Updated:Sep 20, 2026, 15:56:35 UTC
External Resources
View on USGS Official SiteLoading map...
Time & depth
- Local time
- Sep 21, 2026, 04:33:50 GMT+13
- UTC
- Sep 20, 2026, 15:33:50 UTC
507.08 km · Deep-focus
More than 300 km deep. Deep earthquakes can be felt across a wide area.
Nearby major cities
Nearby event sequence · 9
You may also find these tools useful
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: Sep 20, 2026, 15:56 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.