Johor Steps Up Inspections After 3.2 Magnitude Tremor in Segamat

ISKANDAR PUTERI — The Johor government is intensifying checks on critical infrastructure following a mild earthquake that struck Segamat on Wednesday (Aug 27). The 3.2-magnitude tremor, detected at 8.59am about 18km from the town, raised public concern over the safety of pipelines, roads and government assets.

State works, transportation, infrastructure and communication committee chairman Mohamad Fazli Mohamad Salleh said inspections had been carried out on underground pipelines, bridges, dams, and other facilities, with no major damage reported. “Some minor cracks were detected but they do not pose structural risks,” he told reporters.

The Department of Minerals and Geoscience Malaysia said the quake was likely caused by shallow crustal movement along the Mersing fault line. Experts warned that dormant faults in Peninsular Malaysia could be reactivated by regional tectonic stresses.

Authorities pledged enhanced seismic monitoring, fault line mapping and early warning systems to strengthen public safety and disaster preparedness.

Johor

A 3.2-magnitude earthquake struck 18km south of Segamat at 8.59am, triggered by reactivation of the Mersing Fault system. The Department of Minerals and Geoscience (JMG) said the tremor stemmed from a horizontal strike–slip movement, with crust north of the fault shifting west and the southern block moving east. At a shallow depth of about 10km, the quake was linked to continental crust activity rather than volcanic or subduction forces.

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