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Indonesia · Maluku Utara

M3.1 Earthquake near Cio Dalam, Maluku Utara (Indonesia)

UTC time: 2026-04-21 19:57:31 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near Cio Dalam, Maluku Utara (Indonesia) on April 21, 2026 at 19:57 UTC. With a focal depth of about 14 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 event was recorded by EMSC. Indonesia: 40 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
00303c087865ed42d35150e869d112009333bc7a
Magnitude
M3.1
Depth
14.0 km
UTC time
2026-04-21 19:57:31 UTC
Local time
—
Country
Indonesia
State
Maluku Utara
City
Cio Dalam
County
Pulau Morotai
Village
Cio Dalam
Source
emsc
Coordinates
2.39000, 128.33000

Depth profile

Depth profile Depth: 14 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14 km
Shallow
14 km
14 km — shallower than the regional average (43.4 km)
Regional average: 43.4 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

  • Tarakan
    Distance: 84 km ·Pyroclastic cone(s) ·Elevation: 317 m ·Indonesia
  • Dukono Activity reported
    Distance: 92 km ·Complex ·Elevation: 1'273 m ·Last eruption: 2026 ·Indonesia
  • Tobaru
    Distance: 112 km ·Stratovolcano ·Elevation: 1'035 m ·Indonesia
  • Ibu Activity reported
    Distance: 126 km ·Stratovolcano ·Elevation: 1'357 m ·Last eruption: 2026 ·Indonesia
  • Gamkonora
    Distance: 143 km ·Stratovolcano ·Elevation: 1'635 m ·Last eruption: 2007 ·Indonesia
  • Todoko-Ranu
    Distance: 161 km ·Caldera(s) ·Elevation: 979 m ·Indonesia

Maluku Utara

Context for this earthquake

28 Sep 2025 – 28 Sep 2026 · M ≥ 3.0 · 788 Catalogue entries

Of 787 other entries for this area and period, 563 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Indonesia

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Country statistics · Indonesia

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