Geotechnical Engineering Australia

Magnitude 4 earthquake near SSW of Tambolaka, Australia

M 4📅 04/05/2026 23:49 UTC📍 10 km

On 04/05/2026 23:49 UTC a magnitude 4 earthquake occurred near SSW of Tambolaka, Australia. Hypocentre depth: 10 km. Coordinates: -11.631°, 117.909°.

Event technical data

MagnitudeM 4
Depth10 km
Coordinates-11.6307°, 117.9094°
Time (UTC)2026-05-04 23:49 UTC
Location283 km SSW of Tambolaka, Indonesia

Seismic context

Technical analysis: Although intraplate, Australia experiences significant earthquakes from accumulated stress within the Indo-Australian plate.

Geotechnical relevance

For geotechnical engineering in Australia, monitoring local seismicity supports site-specific hazard assessment, liquefaction screening of saturated sands, seismic slope-stability checks and foundation design for dynamic loads. Each recorded event refines local ground-motion and attenuation models.

Official source

Geoscience Australia — official national earthquake monitoring authority. Visit Geoscience Australia →

Cross-checked with the global USGS catalogue.

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Seismic site studies, liquefaction assessment and foundation design.

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