Indonesia earthquakes

M5.6 earthquake 121 km WNW of Ternate, Indonesia

A magnitude 5.6 earthquake struck 121 km WNW of Ternate, Indonesia on Fri, Apr 3, 2026, 9:22 AM GMT+9 (00:22 UTC), 29 km (18 mi) below the surface.

A larger quake followed: M5.9 115 km ESE of Bitung, Indonesia. This one was a foreshock.

Ternate forecast More in Indonesia

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude: 5.6 (mww), moderate
Local time: Fri, Apr 3, 2026, 9:22 AM GMT+9
UTC: 2026-04-03 00:22:19 UTC
Depth: 29.0 km (18.0 mi), shallow
Epicenter: 1.319° N, 126.432° E
Region: Indonesia
Strongest shaking: V, moderate shaking
PAGER alert: Green
Tsunami flag: No
Status: Reviewed by a seismologist

Shaking

The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.

Strongest estimated: V, moderate shaking
Peak ground acceleration: 11.2% of gravity
Peak ground velocity: 3.7 cm/s
Map: Automatic

USGS ShakeMap: estimated shaking intensity around the epicenter — Estimated shaking intensity. Map: USGS ShakeMap.

Did you feel it?

No one has reported feeling this quake to the USGS.

Estimated impact

The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.

Alert level: Green: little or no damage or loss of life expected

Deaths: estimated chance of each range
Range	Chance
Under 1	90%
1 to 10	9%
10 to 100	Under 1%
100 to 1,000	Under 1%
1,000 to 10,000	Under 1%
10,000 to 100,000	Under 1%
100,000 to 10,000,000	Under 1%

Economic losses: estimated chance of each range
Range, million USD	Chance
Under 1	90%
1 to 10	9%
10 to 100	Under 1%
100 to 1,000	Under 1%
1,000 to 10,000	Under 1%
10,000 to 100,000	Under 1%
100,000 to 10,000,000	Under 1%

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting: Reverse (thrust)
Moment magnitude: 5.6 Mww
Nodal plane 1: Strike 6°, dip 40°, rake 81°
Nodal plane 2: Strike 197°, dip 50°, rake 97°

How well it is located

Reviewed by a seismologist.

Location uncertainty: About 6.1 km horizontally, 1.8 km in depth
Magnitude uncertainty: ±0.06
Depth from: From modeling of broad-band P waveforms
Station coverage gap: 68°
Stations used: 97

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.6 and up: 164 in the 60 days after this one and 157 in the 30 days before it.

After

The first 60 of 164.

Before

Earthquakes today Indonesia earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event us6000sm8g (also filed as usauto6000sm8g). Read Wed, Sep 30, 2026, 12:54 PM UTC.