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Indonesia

M3.4 Earthquake near Central Tapanuli (Indonesia)

UTC time: 2026-10-21 21:15:06 UTC Local time: —

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About this earthquake

On October 21, 2026 at 21:15 UTC, a magnitude M3.4 earthquake occurred near Central Tapanuli (Indonesia). With a focal depth of about 22 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 16 earthquakes, the strongest at M5.1.

Details

ID
f6b311ad8617eff21d515e20e6dc04a1cac366ea
Magnitude
M3.4
Depth
22.0 km
UTC time
2026-10-21 21:15:06 UTC
Local time
—
Country
Indonesia
City
Central Tapanuli
County
Central Tapanuli
Source
emsc
Coordinates
1.51000, 98.27000
Temperature
28.0°C

Depth profile

Depth profile Depth: 22 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 22 km
Shallow
22 km
22 km — shallower than the regional average (43.2 km)
Regional average: 43.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Sorikmarapi
    Distance: 169 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Sinabung Activity reported
    Distance: 185 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Malintang
    Distance: 193 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Singkut
    Distance: 194 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Talakmau
    Distance: 248 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Tandikat-Singgalang
    Distance: 314 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia

Indonesia

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 9,294 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Indonesia

Open history map
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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