News

This year marks the 20th anniversary of the Geologic Map of the Island of Hawaii, known affectionately to local volcanologists as the BIMP (Big Island...

Each year, Hawai‘i County residents likely feel dozens of earthquakes. They might readily agree that earthquakes are indeed part of living on the...

Scattered breakouts northeast of Pu‘u ‘Ō‘ō, no overall advancement

Summit lava lake level drops

Mauna Loa, the largest active volcano on Earth, is not erupting, but is stirring. Seismicity remains elevated above long-term background levels, and...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.7 earthquake north of the Island of Hawai‘i and east of the...

The U.S. Geological Survey’s Hawaiian Volcano Observatory is excited to welcome geophysicist Brian Shiro to its team!

Breakouts northeast of Pu‘u ‘Ō‘ō, a small lobe advancing through forest

In previous Volcano Watch articles, we addressed the origin of the Nīnole Hills on the southeastern flank of Mauna Loa. These hills are a prominent...

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.6 earthquakelocated beneath the Island of Hawai‘i on Sunday...