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Indonesia · West Nusa Tenggara

M2.8 Earthquake near Ambalawi, West Nusa Tenggara (Indonesia)

UTC time: 2026-08-17 23:57:44 UTC Local time: —

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About this earthquake

On August 17, 2026 at 23:57 UTC, a magnitude M2.8 earthquake occurred near Ambalawi, West Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by EMSC. Indonesia: 42 earthquakes were recorded in the past 24 hours, the strongest reaching M5.2.

Details

ID
6e5e942b7e0c9273d89a44b65a511eeff7d855dc
Magnitude
M2.8
Depth
10.0 km
UTC time
2026-08-17 23:57:44 UTC
Local time
—
Country
Indonesia
State
West Nusa Tenggara
City
Ambalawi
County
Ambalawi
Source
emsc
Coordinates
-8.15000, 118.58000
Temperature
25.4°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (43.8 km)
Regional average: 43.8 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

  • Sangeang Api
    Distance: 54 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Tambora
    Distance: 65 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Sano, Wai
    Distance: 170 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah
    Distance: 221 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Rinjani
    Distance: 234 km ·Stratovolcano ·Elevation: 3'726 m ·Last eruption: 2016 ·Indonesia
  • Inielika
    Distance: 272 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sultan Muhammad Salahuddin AirportIndonesia · BMU · WADB
    44.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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

West Nusa Tenggara

Context for this earthquake

06 Sep 2025 – 06 Sep 2026 · M ≥ 2.0 · 222 Catalogue entries

Of 221 other entries for this area and period, 67 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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