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The USGS Hawaiian Volcano Observatory detected a swarm of about 28 tectonic earthquakes beneath the northeast side of Maunakea, in the Hāmākua region between 2 and 10 p.m. on Thursday, March 26, 2026.
A swarm of about 28 tectonic earthquakes beneath the northeast side of Mauna Kea, in the Hāmākua region, was detected yesterday.