On Saturday Morning a Significant M5.1 AFTERSHOCK struck in the Maluku Sea 157km from Manado (Indonesia).

Written by Earthquakelist.org on April 3rd, 2026. Last updated April 5th, 2026.

In the Maluku Sea 157 kilometer from Manado, Indonesia, a significant M5.1 aftershock occurred in the early morning of Saturday April 4th, 2026.

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Earthquake Summary

This earthquake hit under water in the Maluku Sea, 113 kilometers (70 mi) off the coast of Indonesia, 157 kilometer east of Manado in North Sulawesi. The center of this earthquake had a quite shallow depth of 35 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time:	Apr 4, 2026 06:19 (Jayapura Time) - Apr 3, 2026 21:19 Universal Time.
Location:	157 km east of Manado, North Sulawesi, Indonesia. Coordinates 1°28'25"N 126°15'36"E.
Map:	Map of area around epicenter. Click to open in Google Maps.
Magnitude:	MAG 5.1 Detected by 136 stations. Maximum Error Range ±0.049 .
Depth:	35 km (22 mi) A quite shallow depth.
Tsunami Risk:	Low tsunami risk Earthquakes under MAG-6.5 do not usually cause tsunami's. Always stay cautious - More info here.

Nearby towns and cities

This earthquake may have been felt in Indonesia . Ternate in North Maluku, Indonesia is the nearest significant place from the epicenter. The earthquake occurred 146 kilometer (91 mi) northwest of Ternate.

The table below provides an overview of all places in proximity of today's earthquake.

Overview of nearby places

This is likely an aftershock

This earthquake is likely an aftershock of the MAG-7.4 earthquake that struck 2 days earlier. That main earthquake hit 40 km (25 mi) south of the epicenter of this MAG-5.1 aftershock.

Overview of foreshocks and aftershocks

More earthquakes coming?

The risk of aftershocks decreases rapidly over time. Usually, aftershocks are at least one order of magnitude lower than a main shock.

The chance that a significant earthquake like this one is followed by an even larger earthquake is not so large. On average, scientists estimate a 94% chance that a major earthquake will not be followed by an even larger one. It is still adviced to be aware of this risk

Read: How to Stay Safe during an Earthquake (cdc.gov).

Earthquakes like this happen often in the region

Earthquakes of this strength are very common in the region. In total, 211 earthquakes with a magnitude of 5.1 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every 17 days.

Low tsunami risk

Based on early data it appears this earthquake was not strong enough (lower than MAG-6.5) to be likely to cause destructive tsunami's. However this earthquake appeared to have hit at a shallow depth under sea, so stay cautious and monitor advice from local authorities.

Tsunami Risk Factors

Sources

Last updated 05/04/26 16:48 (). This article is automatically generated based on available data. We keep checking multiple sources for additional information. This article gets updated as new details on this earthquake become available.

1. US Geographic Society (USGS): Earthquake us6000smfm
2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20260403_0000555
3. Geonames.org: World Cities Database
4. Google Maps: Static API
5. Earthquakelist.org: Historic Earthquakes Database

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