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M5.2 Earthquake Recorded Near 77 km SSW of Sibolga, Indonesia

USGS Week reports M5.2 near 77 km SSW of Sibolga, Indonesia, with a 91.9 km catalog depth.

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News card for M5.2 Earthquake Recorded Near 77 km SSW of Sibolga, Indonesia

The event began at Sat, 05 Sep 2026 14:06:07 GMT. USGS Week reports magnitude 5.2, 91.9 km catalog depth, and coordinates 1.057, 98.609.

The catalog location label is 77 km SSW of Sibolga, Indonesia; no separate nearest-city field was supplied with this solution. By catalog depth, this is an intermediate-depth event. The magnitude-derived energy estimate is 3.98e+12 joules, or about 951 tons of TNT equivalent; that calculation describes source energy, not local damage.

The current catalog entry does not include a public felt-report count. Other attached observation fields include catalog significance score 416. No official casualty or damage statement is attached to the normalized event evidence.

The USGS Week catalog currently marks the solution as reviewed. No station-count, phase-count, residual, gap, or uncertainty fields were supplied in the normalized record. 1 alternate network solution is retained for comparison.

The provider record does not carry a tsunami flag at publication time. Magnitude, depth, and location can change as monitoring networks add observations and review the solution.

At a glance

Cited sources

US event record: 77 km SSW of Sibolga, Indonesia — USGS WeekVolcanic eruption is on going for Sinabung in Indonesia — GDACSGreen earthquake (Magnitude 5.6M, Depth:64.644km) in Indonesia 02/09/2026 00:04 UTC, 400 thousand in MMI IV. — GDACSGreen earthquake (Magnitude 5.6M, Depth:10km) in Indonesia 01/09/2026 08:22 UTC, 8 thousand in MMI VI. — GDACS
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