Indonesia · East Nusa Tenggara

M5.1 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-08-20 08:01:35 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.

Magnitude
M5.1
Depth
35.0 km
Source
EMSC

East Nusa Tenggara · East Nusa Tenggara

Country overview

Map

M5.1 Earthquake near East Nusa Tenggara (Indonesia) · 2026-08-20 — Map showing the location of the epicenter
M5.1 Earthquake near East Nusa Tenggara (Indonesia) · 2026-08-20 — Map showing the location of the epicenter

About this earthquake

On August 20, 2026 at 08:01 UTC, a magnitude M5.1 earthquake occurred near East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 25 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
599c4af0c0b78220a2bf6de0682ec673028d8ee8
Magnitude
M5.1
Depth
35.0 km
UTC time
2026-08-20 08:01:35 UTC
Local time
—
Country
Source
emsc
Coordinates
-8.04970, 120.78050
Temperature
27.1°C

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 km
35 km — close to the regional average (43.3 km)
Regional average: 43.3 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 Sunda Plate.
Near the boundary Sunda ↔ Timor · about 21 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Ruteng71.5 kmSW41'533
Labuan Bajo110.1 kmSW188'724
Makassar355.3 kmNW1'474'393

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ranakah Activity reported
    Distance: 71 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Distance: 79 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Distance: 94 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Distance: 97 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Distance: 106 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Distance: 114 km ·Caldera ·Elevation: 1'319 m ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Frans Sales Lega AirportIndonesia · RTG · WATG
    69.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-15

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 hours61
First 24 hours168
First 72 hours299
Strongest subsequent eventM5.6

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#29
Earlier events M≥4315
Earlier events M≥548
Compared since2025-01-18

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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