Port Hedland, Western Australia — September 21, 2026: Three separate earthquakes were recorded in the Port Hedland area of Western Australia on Sunday, with more than 100 people reporting the tremors through Geoscience Australia’s monitoring website.

The seismic activity occurred at different times throughout the day, with the recorded magnitudes ranging from 2.2 to 2.4.

According to regional reporting published on Monday morning, the first earthquake struck shortly after 7:30 a.m. local time and registered a magnitude of 2.2.

A second tremor was recorded shortly before 2 p.m., measuring 2.3 in magnitude. Another earthquake followed at approximately 7 p.m., with a magnitude of 2.4.

Multiple tremors reported in one day

The three earthquakes were relatively small in magnitude, but the repeated seismic activity attracted attention from residents in the Port Hedland region.

More than 100 reports were submitted to Geoscience Australia’s earthquake monitoring system following the tremors, indicating that people in the wider area noticed the activity.

The events occurred on the same day but at substantially different times, rather than forming a single continuous seismic episode.

Why earthquakes occur in the region

Geoscience Australia’s Hugh Glanville said the broader Port Hedland area is known to experience earthquake activity.

The region contains geological faults associated with the edges of the Broome Basin and the North West Shelf. Seismic activity can occur around these fault structures as stresses within the Earth’s crust are released.

The latest tremors were modest in magnitude compared with major earthquakes capable of causing widespread structural damage.

No major damage reported

There was no immediate indication in the regional report of significant damage or major disruption resulting from Sunday’s earthquakes.

Small earthquakes can nevertheless be felt by residents depending on their depth, distance from populated areas and local geological conditions.

Authorities and monitoring agencies continue to record seismic activity across Western Australia to improve understanding of earthquake patterns and potential risks.

Monitoring remains important

The three Port Hedland earthquakes demonstrate that seismic activity can occur even in regions where major earthquakes are relatively uncommon.

Geoscience Australia’s monitoring network allows residents and authorities to report felt earthquakes and provides information that helps scientists track activity across the country.

For residents, the latest sequence serves as another reminder that Western Australia’s northwestern regions are seismically active and that even relatively small tremors can be noticed across populated areas.

Further seismic events cannot be ruled out, although the occurrence of several small earthquakes in a single day does not by itself indicate that a larger earthquake is imminent.