News

Late Monday afternoon, earthquake activity picked up at Kīlauea’s summit.  At about 1:30 a.m. HST on Tuesday, that activity intensified, and it became...

The U.S. Geological Survey’s Hawaiian Volcano Observatory is lowering the Volcano Alert Level/Aviation Color Code for Kīlauea from WATCH/ORANGE to...

Kīlauea volcano is not erupting. Over the past 24 hours, earthquake activity and ground deformation levels have decreased in the area beneath the...

The US Geological Survey Hawaiian Volcano Observatory is raising the volcano alert level/aviation color code for Kīlauea from Advisory/Yellow to Watch...

Kīlauea volcano is not erupting. The US Geological Survey’s Hawaiian Volcano Observatory has detected an increase in earthquake activity beneath the...

The ground surface at Yellowstone goes up and down.  Since 2015 the caldera has been going down at a rate of about 2–3 cm—about 1 inch—per year, but...

The 2018 lower East Rift Zone and 35-year-long Puʻuʻōʻō eruptions of Kīlauea had large impacts on the Puna District. Many residents were deeply...

HVO scientists collect high-precision Global Positioning System (GPS) data to assess hazards and understand evolving processes at Mauna Loa.

HVO scientists collect high-precision Global Positioning System (GPS) data to assess hazards and understand evolving processes at Kīlauea.

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.1 earthquake located east of Pāhala on Wednesday, August 18, at...