Two earthquakes have struck near the town of Port Hedland in the past 12 hours, with Geoscience Australia saying the first was likely a “foreshock” ahead of the second 3.8-magnitude tremor. Two earthquakes have struck near the town of Port Hedland in the past 12 hours, with Geoscience Australia saying the first was likely a “foreshock” ahead of the second 3.8-magnitude tremor. Earthquakes, Mining and Metals Industry Latest business news