4.9
Earthquake Details: South Sandwich Islands region
Aug 23, 2026, 17:23:29
A magnitude 4.9 earthquake occurred near South Sandwich Islands region on Aug 23, 2026 at 17:23:29. The seismic event was recorded at a depth of 35 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Technical Details
Depth35 km
Significance369
Latitude-58.7481
Longitude-25.2640
Event IDus6000tmzw
Magnitude4.9
Updated:Aug 23, 2026, 17:38:53 UTC
External Resources
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Time & depth
- Local time
- Aug 23, 2026, 17:23:29
- UTC
- Aug 23, 2026, 17:23:29 UTC
35 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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 23, 2026, 17:38 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.