Seismic Event Dossier12:26 Local (05:19 UTC)(just now)
2.68°N, 95.53°E
USGS•#iscgem16957943reviewed

Earthquake near Indian Ocean (Indonesia)

A magnitude 8.2 (MW) earthquake occurred on 1907-01-04, 12:26 local time (05:19 UTC) (just now), centered Indian Ocean (320 km S, Indonesia). The hypocenter was located at a shallow depth of 25 km. Primary telemetry verified by USGS alongside 1 regional seismic monitoring networks.

Historical Landmark Earthquake

#39 of All Time

Curated Global Seismic Archive (1700–Present)

Top-100 Earthquakes
Magnitude 8.2 historical earthquake occurring on 1907-01-04 in Indonesia. Associated with the Unnamed Fault (Active Fault). Documented casualties: > 1,000.
Documented Fatalities> 1,000
Fault KinematicsActive Fault
Equivalent Energy30.09 Mt TNT

Magnitude

MW
M 8.2

30.09 Mt TNT

Depth

25 km
25 km

shallow (Shallow crustal)

PAGER Impact

red
> 1,000 fatalities

Injuries: > 5,000 · ~21M felt

Interactive Epicenter & Fault Map

Fault5 km
Unnamed Fault
Active Fault · ~~15.0 mm/yr
Felt byMMI V+
~21M exposed
~6.8M in strong shaking
Primary SolutionUSGS
USGS#iscgem16957943reviewed
1 agencies reporting
Geological Setting2.7°N
Sumatra Subduction & Fault
Offshore / Marine rupture

Seismic Activity & Aftershock Sequence

Timeline of foreshocks, main rupture, aftershocks and machine learning risk probability evolution.

M0.0M4.5M9.0100%50%0%MainshockJan 3, 04 PMJan 4, 04 AMJan 4, 04 PMJan 5, 04 AMJan 5, 04 PMJan 6, 04 AMJan 6, 04 PMJan 7, 04 AMM8.2
Hover or tap a point to inspect aftershocks and risk probability curve.
<35 km (Shallow)35–70 km (Intermediate)>70 km (Deep)Mainshock

Readings by agency

1 sources

Independent solutions for the same rupture. Differences of 0.1–0.3 in magnitude are normal and reflect method and station coverage.

AgencySource IDMagnitudeDepthEpicenter
USGS
Primary
iscgem16957943M 8.225 km2.68, 95.53

Tectonic setting

Nearest mapped active fault: Unnamed Fault, 5 km away, slip rate ~15.0 mm/yr (GEM Global Active Faults).

Regional Seismic Profile

Sumatra Subduction & Fault

View live seismic monitoring, historical danger benchmarks, fault slip models and recurrence intervals for this zone.