Occurred Nov 12, 2026, 3:45:56 AM UTC

First published Nov 13, 2026, 2:21:17 AM UTC · Last updated Nov 13, 2026, 2:21:17 AM UTC

M 5.4 earthquake - South Sandwich Islands region

Reported by USGS M2.5+ Earthquakes, Past Day

USGS reported a magnitude 5.4 earthquake in the South Sandwich Islands region at coordinates -59.0326, -26.0288, with a depth of 121.557 km. The excerpt reports a green PAGER alert and instrumental intensity MMI 3.22.

At a glance

Affected location: South Sandwich Islands region
Magnitude 5.4
Depth 121.557 km

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Why it matters

The report documents an earthquake in the named region; no impacts or response actions are stated.

Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 6/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 3/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 4/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 3/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

USGS M2.5+ Earthquakes, Past Day M 5.4 earthquake - South Sandwich Islands regionU.S. Geological Survey Usage terms

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