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Geological Events

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New Study Finds Cascadia and San Andreas Quakes Have Often Struck in Tandem

Seafloor cores at the Mendocino Triple Junction reveal stacked turbidites indicating closely timed Cascadia–San Andreas events.

Krasheninnikov Eruption Persists Under Orange Aviation Alert as Scientists Probe Quake Link

World’s Largest Cliff-Top Boulder Identified in Tonga, Moved by Ancient Mega-Tsunami