M5.5 Depth: 10.0 km

M5.5 Earthquake near KABUPATEN MANGGARAI, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-31 08:03:28 UTC Local time:
M5.5 earthquake near KABUPATEN MANGGARAI on Aug 31, 2026 — map of epicenter and shaking intensity | QuakeMap24
M5.5 Earthquake near KABUPATEN MANGGARAI, East Nusa Tenggara (Indonesia) · 2026-08-31 08:03:28 UTC

About this earthquake

On August 31, 2026 at 08:03 UTC, a magnitude M5.5 earthquake occurred near KABUPATEN MANGGARAI, East Nusa Tenggara (Indonesia). 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 event was recorded by USGS. Indonesia: 47 earthquakes were recorded in the past 24 hours, the strongest reaching M5.3.

Map

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 (43.9 km)
Regional average: 43.9 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 1'000'722
V 48'571
VI 6'887

≈ 6'887 people experienced strong to very strong shaking.

Ground shaking

VI
Strong · Intensity (MMI) VI
Strongly felt, light building damage possible.

Tectonic context

Located on the Timor Plate.
Near the boundary Sunda ↔ Timor · about 5 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Ruteng46.9 kmS41'533
Labuan Bajo81.3 kmSW188'724
Makassar361.7 kmN1'474'393

GeoNames · CC BY 4.0

Volcanoes nearby

  • Ranakah
    Distance: 45 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inielika
    Distance: 68 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Inierie
    Distance: 80 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Sano, Wai
    Distance: 86 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ebulobo
    Distance: 90 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Paluweh
    Distance: 121 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia

Subsequent earthquakes nearby

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

First 6 hours10
First 24 hours35
First 72 hours117
Strongest subsequent eventM4.9

Comparison of seismic sources

6 sources currently report magnitudes from M5.0 to M5.6.

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

SourceMagnitudeDepthPosition difference
USGSM5.510.0 km0.0 km
GFZM5.210.0 km3.5 km
INGVM5.614.8 km12.9 km
RESIFM5.010.0 km26.8 km
EMSCM5.235.0 km6.9 km
ISCM5.339.0 km3.6 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#20
Earlier events M≥4385
Earlier events M≥557
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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