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Earthquakes of 6.5-7.0 in Macquarie Island Region and 6.5 West of Sabang, Indonesia: Magnitude and Tsunami Assessment

The first event, centered west of Macquarie Island, registered magnitudes ranging from 6.5 to 7.0 according to various sources, though the USGS settled at 6.9 magnitude.

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Defcon Level
Jul 28, 2025
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INDIAN OCEAN — On July 28, 2025, two notable earthquakes struck distinct areas. The first event, centered west of Macquarie Island, registered magnitudes ranging from 6.5 to 7.0 according to various sources, though the USGS settled at 6.9 magnitude.

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