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Indonesia · Nusa Tenggara Barat

M5.1 Earthquake near Riwo, Nusa Tenggara Barat (Indonesia)

UTC time: 2026-01-28 18:30:16 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

M5.1 Earthquake near Riwo, Nusa Tenggara Barat (Indonesia) · 2026-01-28 — Map showing the location of the epicenter
M5.1 Earthquake near Riwo, Nusa Tenggara Barat (Indonesia) · 2026-01-28 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.1 earthquake was recorded near Riwo, Nusa Tenggara Barat (Indonesia) on January 28, 2026 at 18:30 UTC. At around 130 km, the focal depth places this among intermediate-depth events. Events of this size can cause damage near the epicenter.

The event was recorded by ISC. Indonesia: over the past 24 hours, QuakeMap24 logged 39 earthquakes, the strongest at M4.9.

Details

ID
f36bb6ea99cc21d5619735a9c3f4c56abeee8913
Magnitude
M5.1
Depth
130.0 km
UTC time
2026-01-28 18:30:16 UTC
Local time
—
Country
Indonesia
State
Nusa Tenggara Barat
City
Riwo
Village
Riwo
Source
isc
Coordinates
-8.66200, 118.36000
Temperature
24.0°C

Depth profile

Depth profile Depth: 130 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 130 km
Intermediate
130 km
130 km — deeper than the regional average (43.7 km)
Regional average: 43.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Dompu18.0 kmNE54'987
Bima46.1 kmNE165'113
Denpasar345.5 kmW670'210

GeoNames · CC BY 4.0

Volcanoes nearby

  • Tambora
    Distance: 61 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Sangeang Api
    Distance: 93 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Sano, Wai
    Distance: 181 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Rinjani
    Distance: 210 km ·Stratovolcano ·Elevation: 3'726 m ·Last eruption: 2016 ·Indonesia
  • Ranakah Activity reported
    Distance: 239 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 286 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sultan Muhammad Salahuddin AirportIndonesia · BMU · WADB
    38.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

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 hours1
First 24 hours5
First 72 hours16
Strongest subsequent eventM4.9
M2.62026-01-28 19:40:36 UTC18.9 kmWoro M2.62026-01-29 02:10:46 UTC107.2 kmSulawesi Selatan M2.52026-01-29 07:04:16 UTC132.5 kmSulawesi Selatan M2.52026-01-29 10:48:09 UTC137.3 kmSulawesi Selatan M2.52026-01-29 14:24:35 UTC80.0 kmKawinda Nae M3.02026-01-29 22:32:00 UTC110.4 kmKelurahan Maliti M2.72026-01-30 04:05:22 UTC64.2 kmKaowa M2.52026-01-30 07:48:47 UTC117.6 kmSulawesi Selatan M2.72026-01-30 09:04:15 UTC8.0 kmMbawi M2.52026-01-30 10:48:33 UTC83.4 kmNusa Tenggara Timur M2.52026-01-30 15:27:53 UTC114.3 kmSulawesi Selatan M2.52026-01-30 20:11:15 UTC105.2 kmSulawesi Selatan

Nusa Tenggara Barat

Context for this earthquake

16 Sep 2025 – 16 Sep 2026 · M ≥ 3.0 · 116 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#2
Earlier events M≥461
Earlier events M≥55
Compared since2025-01-03

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

Strongest earlier events

M5.22025-07-06 22:38:04 UTC15.4 kmSumbawa Region, Indonesia M5.12025-07-06 22:38:03 UTC15.2 kmSUMBAWA REGION, INDONESIA M5.02025-07-22 08:40:13 UTC116.4 kmFLORES SEA M5.02025-07-22 08:40:11 UTC117.3 km81 km NNE of Bima, Indonesia M5.02025-01-07 17:52:21 UTC115.3 km38 km NNW of Komodo, 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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