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Indonesia · East Nusa Tenggara

M4.9 Earthquake near Towak, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-17 07:20:32 UTC Local time: —
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Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

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About this earthquake

On August 17, 2026 at 07:20 UTC, a magnitude M4.9 earthquake occurred near Towak, East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 28 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by USGS and cross-checked across seismological networks. Indonesia: 24 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
a82345f7edd671edf19b18d93c75e6f8e2d1ed11
Magnitude
M4.9
Depth
28.3 km
UTC time
2026-08-17 07:20:32 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Towak
County
Nagekeo
Village
Towak
Source
usgs
Coordinates
-8.52540, 121.20070
Temperature
24.1°C

Depth profile

Depth profile Depth: 28.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 28.3 km
Shallow
28.3 km
28.3 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

Tectonic context

Located on the Timor Plate.
Near the boundary Banda Sea ↔ Timor · about 60 km away

Volcanoes nearby

  • Ebulobo
    Distance: 32 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Inielika
    Distance: 33 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Inierie
    Distance: 48 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Paluweh
    Distance: 60 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Iya
    Distance: 63 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia
  • Kelimutu
    Distance: 73 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·Indonesia

East Nusa Tenggara

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,855 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

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Country statistics · Indonesia

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

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