Hundreds of earthquakes struck the Big Island in just the last month, indicating that magma was moving at depth — a potential sign of an impending eruption. Credit: Temblor

Hundreds of earthquakes struck the Big Island in just the last month, indicating that magma was moving at depth — a potential sign of an impending eruption. Credit: Temblor

Hundreds of earthquakes struck the Big Island in just the last month, indicating that magma was moving at depth — a potential sign of an impending eruption. Credit: Temblor

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