Tag: volcanism

Hawaii's Deep Earthquakes Linked to Island Weight, Not Volcanic Activity

9 Jul 2026 6:32 p.m. · Source: U.S. Geological Survey

Deep earthquakes recently rattled Hawaiʻi, caused by the immense weight of the island chain flexing the oceanic crust, not volcanic activity. The USGS Hawaiian Volcano Observatory explains these "flexure events" and advises on safety.

Science & Technology Environment Hawaiʻi Earthquakes USGS Hawaiian Volcano Observatory Volcanism Geology Natural Disasters Pacific Plate U.S. Geological Survey