5.4
Earthquake Details: South Sandwich Islands region
Aug 21, 2026, 13:06:40
A magnitude 5.4 earthquake occurred near South Sandwich Islands region on Aug 21, 2026 at 13:06:40. The seismic event was recorded at a depth of 158.99 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Technical Details
Depth158.99 km
Significance449
Latitude-58.8509
Longitude-26.5571
Event IDus6000tmft
Magnitude5.4
Updated:Aug 22, 2026, 13:14:19 UTC
External Resources
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Time & depth
- Local time
- Aug 21, 2026, 13:06:40
- UTC
- Aug 21, 2026, 13:06:40 UTC
158.99 km · Intermediate-focus
Between 70 and 300 km deep.
Nearby event sequence · 1
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: Aug 22, 2026, 13:14 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.