Thousands of earthquakes shook Portugal's São Jorge Island in March 2022 when magma rose from 20km below and stalled just 1.6km beneath the surface.
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How an Atlantic island narrowly escaped 'stealthy' eruption
1.6 Km Beneath Island km Magma stall depth
More Than 20 Km Below Surface km Magma origin depth
March 2022 Event date
Thousands Earthquake count
1.6 Km From Surface magma depth
20+ Km Below Surface magma source depth
Thousands In March 2022 earthquake frequency