Indonesia · East Nusa Tenggara

M5.5 Earthquake near Satar Padut, East Nusa Tenggara (Indonesia)

UTC time: 2026-09-21 01:41:36 UTC Local time:
Earthquake newsQuakeMap24
First published: Content updated:

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

Magnitude
M5.5
Depth
10.0 km
Source
USGS

East Nusa Tenggara · Satar Padut

Country overview

Map

M5.5 Earthquake near Satar Padut, East Nusa Tenggara (Indonesia) · 2026-09-21 — Map showing the location of the epicenter
M5.5 Earthquake near Satar Padut, East Nusa Tenggara (Indonesia) · 2026-09-21 — Map showing the location of the epicenter

About this earthquake

On September 21, 2026 at 01:41 UTC, a magnitude M5.5 earthquake occurred near Satar Padut, East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by USGS. Indonesia: over the past 24 hours, QuakeMap24 logged 39 earthquakes, the strongest at M5.5.

Details

ID
c184e9b61cb4d7748edfe02358c0dd2813675e40
Magnitude
M5.5
Depth
10.0 km
UTC time
2026-09-21 01:41:36 UTC
Local time
Country
Village
Satar Padut
Source
usgs
Coordinates
-8.30700, 120.57930
Temperature
23.9°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 (43.6 km)
Regional average: 43.6 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

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 989'442
V 63'718
VI 22'908
VII 2'804

≈ 25'712 people experienced strong to very strong shaking.

Ground shaking

VII
Very strong · Intensity (MMI) VII
Moderate damage possible.

Tectonic context

Located on the Timor Plate.
Near the boundary Sunda ↔ Timor · about 1 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Ruteng41.4 kmSW41'533
Labuan Bajo88.8 kmW188'724
Makassar376.1 kmN1'474'393

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ranakah Activity reported
    Distance: 37 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Distance: 64 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Distance: 75 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Distance: 79 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Distance: 88 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Distance: 124 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Frans Sales Lega AirportIndonesia · RTG · WATG
    34.0 kmStraight-line distance
  • Komodo AirportIndonesia · LBJ · WATO
    78.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

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

Comparison of seismic sources

4 sources currently report magnitudes from M5.1 to M5.5.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.510.0 km10.0 km
USGSM5.510.0 km0.0 km
RESIFM5.110.0 km18.5 km
EMSCM5.5160.0 km15.0 km

East Nusa Tenggara

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 1,695 Catalogue entries

Of 1,694 other entries for this area and period, 5 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#12
Earlier events M≥4422
Earlier events M≥558
Compared since2025-01-07

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

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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