Researchers found a unique seismic signal just before the January 2022 eruption of the Hunga Tonga-Hunga Ha’apai volcano, potentially offering early warnings for oceanic eruptions. By analyzing a Rayleigh wave detected 750 kilometers away, scientists suggest that a crustal fracture allowed seawater to mix with magma, triggering the eruption. Early Warning From Seismic Waves Just […]
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