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Indonesia

M4.0 Earthquake near MOLUCCA SEA (Indonesia)

UTC time: 2025-08-18 16:16:58 UTC Local time: —

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About this earthquake

A magnitude M4.0 earthquake was recorded near MOLUCCA SEA (Indonesia) on August 18, 2025 at 16:16 UTC. At around 187 km, the focal depth places this among intermediate-depth events. Tremors of this size are distinctly felt and can occasionally cause light 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 M5.3.

Details

ID
4ca4b8c3f4c0810ee1989c29c83a12800e17abd8
Magnitude
M4.0
Depth
187.0 km
UTC time
2025-08-18 16:16:58 UTC
Local time
—
Country
Indonesia
City
Sulawesi Utara
Source
emsc
Coordinates
1.67000, 125.01000
Temperature
25.5°C

Depth profile

Depth profile Depth: 187 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 187 km
Intermediate
187 km
187 km — deeper than the regional average (43.2 km)
Regional average: 43.2 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

  • Klabat
    Distance: 24 km ·Stratovolcano ·Elevation: 1'968 m ·Indonesia
  • Tangkoko-Duasudara
    Distance: 26 km ·Stratovolcano ·Elevation: 1'334 m ·Last eruption: 1880 ·Indonesia
  • Mahawu
    Distance: 39 km ·Stratovolcano ·Elevation: 1'299 m ·Last eruption: 1977 ·Indonesia
  • Lokon-Empung
    Distance: 41 km ·Stratovolcano(es) ·Elevation: 1'580 m ·Last eruption: 2015 ·Indonesia
  • Soputan
    Distance: 69 km ·Stratovolcano ·Elevation: 1'785 m ·Last eruption: 2020 ·Indonesia
  • Ruang
    Distance: 81 km ·Stratovolcano ·Elevation: 703 m ·Last eruption: 2024 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sam Ratulangi International AirportIndonesia · MDC · WAMM
    16.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Sulawesi Utara

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 550 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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