Indonesia – West Sumatra

This page summarizes earthquakes in West Sumatra (Indonesia). The most recently recorded event was a magnitude M3.3 earthquake near Koto XI Tarusan on 2026-08-02 14:30:13 UTC. All event lists and map markers are limited to the last 30 days.

About West Sumatra

West Sumatra is a province of Indonesia. It is on the west coast of the island of Sumatra and includes the Mentawai Islands off that coast.

Earthquakes (last 30 days)
22
Max magnitude (last 30 days)
M4.3
Avg magnitude (last 30 days)
M3.08
Avg depth (last 30 days)
26 km
Seismic activity in 2026

In 2026, West Sumatra recorded 41 earthquakes within Indonesia. The average magnitude was M3.22. The strongest event reached M5.3.

By event count in 2026, this region ranks #33 within Indonesia.

Located on the Sunda Plate.

Map (last 30 days)
< 2 2–4 4–5 ≥ 5
Earthquakes in West Sumatra (last 30 days)