M3.5 Depth: 28.0 km

M3.5 Earthquake near SUMBA REGION, INDONESIA (Indonesia)

UTC time: 2025-10-21 17:44:52 UTC Local time: —

About this earthquake

A magnitude M3.5 earthquake was recorded near SUMBA REGION, INDONESIA (Indonesia) on October 21, 2025 at 17:44 UTC. The hypocenter lay relatively close to the surface at around 28 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: 77 earthquakes were recorded in the past 24 hours, the strongest reaching M4.6.

Details

Magnitude

M3.5

Depth

28.0 km

UTC time

2025-10-21 17:44:52 UTC

Local time

—

Country

Indonesia

City

Nusa Tenggara Timur

Source

emsc

Coordinates

-9.69000, 120.96000

Temperature

28.5°C

Map

Depth profile

Shallow

28 km

28 km — shallower than the regional average (49.6 km)

Regional average: 49.6 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

Volcanoes nearby

Inierie

Distance: 91 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
Ebulobo

Distance: 100 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
Inielika

Distance: 107 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
Iya

Distance: 116 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia
Ranakah

Distance: 126 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
Kelimutu

Distance: 139 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·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.

Stats (last 24h)

Global (24h)

644

Country (24h)