Did the earthquake near Pohuwato, Gorontalo cause a tsunami?

No. BMKG said its tsunami modeling showed the earthquake had no potential to generate a tsunami.

What magnitude was the earthquake, 5.7 or 5.4?

BMKG initially reported the magnitude as 5.7 and later revised it to 5.4 after further analysis, along with an updated depth of 85 km instead of 76 km.

What caused the earthquake?

BMKG classified it as a tectonic, intermediate-depth earthquake caused by deformation activity within the Sulawesi Sea plate, with a thrust-fault mechanism.

World · News

5.7-Magnitude Earthquake Hits Pohuwato, Gorontalo, Indonesia; No Tsunami Risk

Published: October 12, 2026 at 06:45 AM UTC

In brief

A magnitude 5.7 earthquake struck near Pohuwato Regency in Indonesia's Gorontalo province on October 12, 2026. Indonesia's geophysics agency BMKG said the quake had no tsunami potential, and no casualties or damage had been reported as of the latest updates.

An earthquake measuring magnitude 5.7 shook the Pohuwato area of Gorontalo province, Indonesia, in the early hours of Monday, October 12, 2026. According to Indonesia's Meteorological, Climatological and Geophysical Agency (BMKG), the quake struck at 04:34:53 WIB (Western Indonesia Time), the standard time used in BMKG's and Liputan6's reports; Kompas reported the same moment as 05:34:53 WITA, Gorontalo's local time zone.

BMKG's initial analysis placed the epicenter about 8 kilometers southeast of Pohuwato Regency, at coordinates 0.64° North latitude and 121.75° East longitude, with a depth of 76 kilometers. The agency later revised the parameters, putting the magnitude at 5.4 and the depth at 85 kilometers, and moving the epicenter to about 29 kilometers northwest of Pohuwato, at 0.67° N, 121.78° E — a routine adjustment made after further analysis of seismic data.

No Tsunami Potential, BMKG Says

BMKG confirmed the earthquake carried no tsunami risk. The head of the Gorontalo Geophysical Station was quoted by Kompas as saying tsunami modeling showed the quake had no potential to generate a tsunami.

BMKG classified the event as a tectonic, intermediate-depth earthquake resulting from deformation activity within the Sulawesi Sea plate, with a thrust-fault mechanism.

Where the Shaking Was Felt

The tremor was felt across several districts in Gorontalo and neighboring Central Sulawesi. According to Kompas, shaking intensity reached IV on the Modified Mercalli Intensity (MMI) scale in Tolitoli and Buol, and III MMI in Boalemo, Pohuwato, Gorontalo Regency, Bone Bolango and Gorontalo City.

Key Earthquake Parameters
Detail	Initial Report	Updated Report
Magnitude	5.7	5.4
Depth	76 km	85 km
Epicenter	8 km SE of Pohuwato (0.64°N, 121.75°E)	29 km NW of Pohuwato (0.67°N, 121.78°E)
Tsunami potential	None	None

Casualties and Damage

As of the latest reports from BMKG, Kompas and Liputan6, no casualties or structural damage had been documented. BMKG said no aftershocks had been recorded as of 04:50 WIB, roughly 15 minutes after the main shock.

Official Guidance

Authorities urged residents to remain calm, avoid spreading unverified information, and stay away from any buildings that may have been damaged while continuing to monitor official updates from BMKG and local emergency agencies.

Questions

Did the earthquake near Pohuwato, Gorontalo cause a tsunami?: No. BMKG said its tsunami modeling showed the earthquake had no potential to generate a tsunami.
Were there casualties or damage from the Gorontalo earthquake?: As of the latest reports from BMKG, Kompas and Liputan6, no casualties or structural damage had been reported.
What magnitude was the earthquake, 5.7 or 5.4?: BMKG initially reported the magnitude as 5.7 and later revised it to 5.4 after further analysis, along with an updated depth of 85 km instead of 76 km.
Where was the earthquake felt?: Shaking was reported in Tolitoli and Buol (IV MMI), and in Boalemo, Pohuwato, Gorontalo Regency, Bone Bolango and Gorontalo City (III MMI), according to Kompas.
What caused the earthquake?: BMKG classified it as a tectonic, intermediate-depth earthquake caused by deformation activity within the Sulawesi Sea plate, with a thrust-fault mechanism.

How the world is telling it

IndonesianIndonesian outlets (BMKG, Kompas, Liputan6) led with reassurance that there was no tsunami threat and emphasized official calls for residents to stay calm, avoid misinformation, and await further BMKG updates, while noting the magnitude/depth figures were revised after initial reporting.

Sources

This piece was prepared with artificial intelligence and passed an automated source check before publication. If you see an error, ask for a correction. Request a correction or reply · How we make this

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