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Indonesia · Nusa Tenggara Timur

M5.6 Earthquake near Nusa Tenggara Timur (Indonesia)

UTC time: 2026-04-21 03:17:01 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude
M5.6
Depth
10.0 km
Source
RESIF

Nusa Tenggara Timur · Nusa Tenggara Timur

Country overview

Map

M5.6 Earthquake near Nusa Tenggara Timur (Indonesia) · 2026-04-21 — Map showing the location of the epicenter
M5.6 Earthquake near Nusa Tenggara Timur (Indonesia) · 2026-04-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.6 earthquake was recorded near Nusa Tenggara Timur (Indonesia) on April 21, 2026 at 03:17 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The data is provided by RESIF and cross-checked across seismological networks. Indonesia: 49 earthquakes were recorded in the past 24 hours, the strongest reaching M5.2.

Details

ID
7082d5b37f231862bdd05b4bdca76a42aa26674f
Magnitude
M5.6
Depth
10.0 km
UTC time
2026-04-21 03:17:01 UTC
Local time
—
Country
Indonesia
State
Nusa Tenggara Timur
City
Nusa Tenggara Timur
Source
resif
Coordinates
-8.90274, 123.97549
Temperature
25.6°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 (43.7 km)
Regional average: 43.7 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

Nearby population centers

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

PlaceDistanceDirectionPopulation
Kefamenanu81.9 kmSE48'202
Kupang146.7 kmS474'801
Makassar652.4 kmNW1'474'393

GeoNames · CC BY 4.0

Volcanoes nearby

  • Sirung
    Distance: 48 km ·Complex ·Elevation: 1'347 m ·Last eruption: 2021 ·Indonesia
  • Iliwerung
    Distance: 60 km ·Complex ·Elevation: 583 m ·Last eruption: 2021 ·Indonesia
  • Ililabalekan
    Distance: 76 km ·Stratovolcano ·Elevation: 1'018 m ·Indonesia
  • Lewotolok Activity reported
    Distance: 87 km ·Stratovolcano ·Elevation: 1'431 m ·Last eruption: 2026 ·Indonesia
  • Iliboleng
    Distance: 101 km ·Stratovolcano ·Elevation: 1'659 m ·Last eruption: 1993 ·Indonesia
  • Tara, Batu
    Distance: 131 km ·Stratovolcano ·Elevation: 633 m ·Last eruption: 2015 ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Oecusse Route of the Sandalwood International AirportTimor-Leste · OEC · WPOC
    51.6 kmStraight-line distance

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

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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours12
First 24 hours14
First 72 hours18
Strongest subsequent eventM5.5
M5.42026-04-21 03:17:07 UTC12.4 kmNusa Tenggara Timur M5.52026-04-21 03:17:07 UTC22.0 kmNusa Tenggara Timur M5.42026-04-21 03:17:09 UTC36.9 kmFlores Region, Indonesia M4.42026-04-21 03:19:20 UTC31.4 kmOé-Cussi-Ambeno M3.12026-04-21 03:22:01 UTC48.0 kmPante-Macassar M2.82026-04-21 03:24:47 UTC29.6 kmTIMOR REGION M2.72026-04-21 03:25:49 UTC33.7 kmOé-Cussi-Ambeno M2.52026-04-21 03:48:18 UTC28.1 kmTIMOR REGION M2.62026-04-21 04:18:30 UTC106.7 kmWatohari M3.22026-04-21 04:26:22 UTC135.9 kmHeda M3.22026-04-21 04:56:04 UTC26.7 kmOé-Cussi-Ambeno M2.52026-04-21 08:53:47 UTC22.5 kmKEPULAUAN ALOR, INDONESIA

Nusa Tenggara Timur

Context for this earthquake

09 Sep 2025 – 09 Sep 2026 · M ≥ 3.0 · 383 Catalogue entries

Of 382 other entries for this area and period, 2 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#5
Earlier events M≥487
Earlier events M≥515
Compared since2025-01-04

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

Strongest earlier events

M6.22025-10-26 17:04:27 UTC19.8 kmTimor Region M6.22025-10-26 17:04:26 UTC4.6 km59 km NW of Pante Makasar, Timor Leste M6.22025-10-26 17:04:25 UTC4.6 km59 km NW of Pante Makasar, Timor Leste M6.22025-10-26 17:04:25 UTC27.2 kmIndonesia [Sea] M5.32025-10-24 04:46:35 UTC28.1 kmFlores Region, Indonesia

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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