Indonesia

M3.3 Earthquake near HALMAHERA, INDONESIA (Indonesia)

UTC time: 2025-08-21 21:19:16 UTC Local time: —

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About this earthquake

A magnitude M3.3 earthquake was recorded near HALMAHERA, INDONESIA (Indonesia) on August 21, 2025 at 21:19 UTC. The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 23 earthquakes, the strongest at M4.8.

Details

ID
774c1c222488a5cb1700a20ba0038fe7ff54df15
Magnitude
M3.3
Depth
50.0 km
UTC time
2025-08-21 21:19:16 UTC
Local time
—
Country
Source
emsc
Coordinates
2.06000, 128.40000
Temperature
25.2°C

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 km — close to 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

  • Distance: 69 km ·Pyroclastic cone(s) ·Elevation: 317 m ·Indonesia
  • Dukono Activity reported
    Distance: 71 km ·Complex ·Elevation: 1'273 m ·Last eruption: 2026 ·Indonesia
  • Distance: 94 km ·Stratovolcano ·Elevation: 1'035 m ·Indonesia
  • Ibu Activity reported
    Distance: 106 km ·Stratovolcano ·Elevation: 1'357 m ·Last eruption: 2026 ·Indonesia
  • Distance: 123 km ·Stratovolcano ·Elevation: 1'635 m ·Last eruption: 2007 ·Indonesia
  • Distance: 139 km ·Caldera(s) ·Elevation: 979 m ·Indonesia

Maluku Utara

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 3.0 · 788 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

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

Country statistics · Indonesia

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

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