USGS EVENT DOSSIER

M4.8

South Sandwich Islands region

REVIEWED

ORIGIN TIME2026-10-26T11:01:55.933Z

DEPTH173.5 KM

COORDINATES-59.8141, -27.7087

SIGNIFICANCE354

FELT REPORTS0

MMI / CDI-- / 1.0

PAGER--

TSUNAMI FLAGNO

SOURCE + PROVENANCEU.S. GEOLOGICAL SURVEY

Event ID us6000u4z3. Updated 2026-10-26T15:39:30.560Z. This dossier reflects source-returned event metadata and does not infer a cause.

OPEN USGS EVENT ↗

LOCAL SEISMIC CONTEXTOTHER EVENTS WITHIN 250 KMCurrent 30-day catalog window

South Sandwich Islands region2026-11-13T19:04:07.703Z · 63.8 KM DEEP

OPEN →M5.4

South Sandwich Islands region2026-11-12T03:45:56.644Z · 121.6 KM DEEP

OPEN →M4.6

South Sandwich Islands region2026-11-07T07:14:10.868Z · 103.7 KM DEEP

OPEN →M5.0

South Sandwich Islands region2026-11-03T13:34:04.565Z · 133.1 KM DEEP

OPEN →M5.4

South Sandwich Islands region2026-10-29T05:06:48.057Z · 8.4 KM DEEP

OPEN →M4.5

South Sandwich Islands region2026-10-25T07:52:42.860Z · 10.0 KM DEEP

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