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Indonesia · East Nusa Tenggara

M5.7 Earthquake near Lencur, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-20 02:46:59 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.

Map

M5.7 Earthquake near Lencur, East Nusa Tenggara (Indonesia) · 2026-08-20 — Map showing the location of the epicenter
M5.7 Earthquake near Lencur, East Nusa Tenggara (Indonesia) · 2026-08-20 — Map showing the location of the epicenter

About this earthquake

On August 20, 2026 at 02:46 UTC, a magnitude M5.7 earthquake occurred near Lencur, East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by USGS. Indonesia: over the past 24 hours, QuakeMap24 logged 38 earthquakes, the strongest at M6.0.

Details

ID
3bcdcbbabe7ccb25fc416d12c0ac89fb695ad907
Magnitude
M5.7
Depth
10.0 km
UTC time
2026-08-20 02:46:59 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Lencur
County
Manggarai Timur
Village
Lencur
Source
usgs
Coordinates
-8.35820, 120.61040
Temperature
21.6°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 (43.3 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

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 1'001'049
V 172'099
VI 45'610

≈ 46'364 people experienced strong to very strong shaking.

1 Felt reports · max reported intensity 2

Ground shaking

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

Tectonic context

Located on the Timor Plate.
Near the boundary Sunda ↔ Timor · about 4 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Ruteng32.4 kmSW41'533
Labuan Bajo81.0 kmW188'724
Makassar379.9 kmN1'474'393

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ranakah Activity reported
    Distance: 32 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inielika
    Distance: 58 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Inierie
    Distance: 69 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Sano, Wai
    Distance: 78 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ebulobo
    Distance: 82 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Paluweh
    Distance: 121 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
    30.2 kmStraight-line distance
  • Komodo AirportIndonesia · LBJ · WATO
    80.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-04

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 hours89
First 24 hours184
First 72 hours331
Strongest subsequent eventM5.6
M3.82026-08-20 02:51:01 UTC10.9 kmKABUPATEN MANGGARAI M3.02026-08-20 02:52:58 UTC2.6 kmGolo Nimbung M3.62026-08-20 02:58:30 UTC11.8 kmKABUPATEN MANGGARAI M3.52026-08-20 03:08:41 UTC19.9 kmKABUPATEN MANGGARAI M2.82026-08-20 03:10:53 UTC10.3 kmKABUPATEN MANGGARAI M2.72026-08-20 03:13:41 UTC16.0 kmKABUPATEN MANGGARAI M2.72026-08-20 03:18:59 UTC30.5 kmLanggo M3.52026-08-20 03:20:44 UTC14.3 kmKABUPATEN MANGGARAI M3.72026-08-20 03:26:57 UTC15.4 kmKABUPATEN MANGGARAI M2.82026-08-20 03:29:14 UTC7.7 kmSatar Padut M2.82026-08-20 03:33:48 UTC11.3 kmNampar Tabang M3.72026-08-20 03:39:57 UTC106.7 kmEast Nusa Tenggara

Comparison of seismic sources

6 sources currently report magnitudes from M5.3 to M5.9.

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

SourceMagnitudeDepthPosition difference
USGSM5.710.0 km0.0 km
INGVM5.88.6 km16.0 km
RESIFM5.310.0 km12.6 km
SERBIA_RSZM5.410.0 km5.4 km
EMSCM5.910.0 km8.2 km
GFZM5.910.0 km8.4 km

East Nusa Tenggara

Context for this earthquake

04 Oct 2025 – 04 Oct 2026 · M ≥ 3.0 · 1,840 Catalogue entries

Of 1,839 other entries for this area and period, 3 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#8
Earlier events M≥4266
Earlier events M≥540
Compared since2025-01-07

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

Strongest earlier events

M7.72026-08-14 21:58:24 UTC82.2 kmEast Nusa Tenggara M6.32026-08-14 22:13:59 UTC111.3 kmSouth Sulawesi M6.22026-08-14 22:13:51 UTC45.0 kmKabupaten Manggarai Barat M6.12026-08-19 22:45:20 UTC12.7 kmKABUPATEN MANGGARAI M5.92026-08-19 16:17:45 UTC24.5 kmKABUPATEN MANGGARAI

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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