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.

Tectonic earthquakes are among the most powerful natural phenomena on the planet. It’s no surprise, then, that they are sometimes suspected of being able to trigger volcanic eruptions. Earth’s ...

Seismicity at volcanoes -- Fundamentals of volcanic seismology --Origin of volcano-tectonic earthquakes -- Volcano-textonic earthquake of basaltic volcanoes : case studies -- Volcano-tectonic ...

Exactly when and how plate tectonics started, however, is a matter of debate. Now, in a study published March 19 in the ...

As the name suggests, an earthquake is an event that causes the earth to shake. In some cases, an earthquake can be so significant that it cracks open the ground, as well as human-made structures such ...