News

Remember when a little puddle of green water was spotted in Halemaʻumaʻu? Time flies, because that was late July 2019—over five years ago! And because...

"Time to go"… words that none of us at the USGS Hawaiian Volcano Observatory (HVO) wanted to hear.

The upper East Rift Zone (UERZ) of Kīlauea has been shaking more than normal, with nearly 1,500 earthquakes between July 22 and 25. The activity is...

Kīlauea volcano is not erupting. Ongoing intrusion in the upper East Rift Zone. The volcano alert level/aviation color code remain at ADVISORY/YELLOW...

Kīlauea is not erupting. Localized earthquake and ground deformation rates in Kīlauea’s upper East Rift Zone decreased significantly following the...

Kīlauea is not erupting. Increased earthquake activity and ground deformation at Kīlauea’s upper East Rift Zone began at approximately 3:30 a.m. HST...

Kīlauea is not erupting. Increased earthquake activity and ground deformation in Kīlauea upper East Rift Zone.

Measurement of volcanic gases is critical for both public safety and understanding volcanic activity—and everything we measure relies on the wind.

Island of Hawaiʻi residents are used to feeling the ground shake beneath them. From subtle shakes that feel like wind, to abrupt jolting that knocks...

On Saturday, July 6, 8:47 p.m. HST, a magnitude-4.1 earthquake occurred 9 mi (14 km) south of Fern Forest on the Island of Hawaiʻi at a depth of 4 mi...