According to USGS, a magnitude 5.7 earthquake struck near Tambolaka, Indonesia on October 4, 2026. It was recorded at 06:55 AM GMT+8 at a depth of 17 km.
Magnitude and location may later be revised by USGS.
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Magnitude
M5.7
mww · Moderate
Depth
17 km
Shallow
Time (UTC)
10:55:52 PM
October 3, 2026
Local time
06:55 AM
October 4, 2026 · GMT+8
The epicenter was about 122 km from Raba.
Since this earthquake, 9 earthquakes have been recorded within 50 km of the epicenter; the largest was M4.7.
| Time (UTC) | Magnitude | Depth | Location | Distance | Record |
|---|---|---|---|---|---|
| M4.6 | 69 km | Tambolaka, Indonesia · 70 km W | 41 km | USGS | |
| M4.5 | 35 km | Tambolaka, Indonesia · 71 km SW | 44 km | USGS | |
| M4.1 | 66 km | Tambolaka, Indonesia · 32 km W | 10 km | USGS | |
| M4.7 | 60 km | Tambolaka, Indonesia · 39 km SW | 10 km | USGS | |
| M4.4 | 53 km | Tambolaka, Indonesia · 50 km SW | 24 km | USGS | |
| M4.5 | 35 km | Tambolaka, Indonesia · 35 km SW | 13 km | USGS | |
| M4.5 | 35 km | Tambolaka, Indonesia · 53 km SW | 21 km | USGS | |
| M4.1 | 35 km | Tambolaka, Indonesia · 43 km S | 44 km | USGS | |
| M4.2 | 35 km | Tambolaka, Indonesia · 46 km SW | 19 km | USGS |
From 1990 until this earthquake, 235 earthquakes of magnitude 4.5 or greater were recorded within 100 km of the epicenter. The largest was an M6.3 earthquake on January 22, 2019.
Source: USGS earthquake catalogue (ComCat).
The earthquake occurred near Tambolaka, Indonesia at 9.540° S, 118.924° E, at a depth of 17 km. The nearest town was Raba, about 122 km away.
USGS reported a magnitude of mww 5.7 (moderate). How strongly it was felt, and any damage, also depend on depth, distance from the epicenter and local ground conditions.
Since this earthquake, 9 earthquakes have been recorded within 50 km of the epicenter; the largest was M4.7.
Earthquake data: USGS (public domain); Turkey: AFAD; Europe: EMSC-CSEM SeismicPortal (CC BY 4.0); Japan: JMA; New Zealand: GeoNet (CC BY 3.0 NZ); Australia: Geoscience Australia (CC BY 4.0); Canada: NRCan (OGL-Canada); USGS backup: GFZ GEOFON (CC BY 4.0). Map: © OpenMapTiles © OpenStreetMap contributors. Borders: Natural Earth.