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Satellite image shows active breakouts on flow field.

Do you, like most people, think that eruptions in Hawaii are confined to the Island of Hawai‘i? If so, you may be surprised to learn that Haleakalā...

Lava continues to enter the ocean at Kupapa`u Point.

At the Hawaiian Volcano Observatory (HVO), we continuously strive to improve our capability to monitor the volcanoes that we live upon.

Kahauale‘a flow front stalls, new overflow in Pu‘u ‘Ō‘ō.

Sometimes a geologic study resembles a crime scene investigation (CSI), as seen on TV. You piece together information from eyewitnesses and compare it...

At 9:28 a.m., HST, on April 3, 2013, the Hawaiian Volcano Observatory's (HVO) seismographic network recorded a magnitude-3.2 earthquake. This...

Kahauale‘a flow from Pu‘u ‘Ō‘ō advancing northeast very slowly

Petrology, the study of the origin, or genesis, of rocks, is an important aspect of our multi-faceted approach to monitoring the current eruptions of...

Over the past six months, the pace of Kīlauea's 30-year-long ongoing eruption has quickened. This follows the quietest period—spanning most of 2012—of...