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M4.0 Depth: 134.0 km

M4.0 Earthquake near Simpangbanyakjulu, North Sumatra (Indonesia)

UTC time: 2026-08-04 23:32:19 UTC Local time: —

About this earthquake

On August 4, 2026 at 23:32 UTC, a magnitude M4.0 earthquake occurred near Simpangbanyakjulu, North Sumatra (Indonesia). At around 134 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 62 earthquakes, the strongest at M5.7.

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Depth profile

Depth profile Depth: 134 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 134 km
Intermediate
134 km
134 km — deeper than the regional average (49.2 km)
Regional average: 49.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Malintang
    Distance: 18 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Sorikmarapi
    Distance: 37 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Talakmau
    Distance: 51 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Tandikat-Singgalang
    Distance: 118 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia
  • Marapi
    Distance: 123 km ·Complex ·Elevation: 2'885 m ·Last eruption: 2026 ·Indonesia
  • Talang
    Distance: 191 km ·Stratovolcano ·Elevation: 2'575 m ·Last eruption: 2007 ·Indonesia

Historic earthquake map · Indonesia

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Indonesia

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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