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Daily updates about ongoing eruptions, recent images and videos of summit and East Rift Zone volcanic activity, maps, and data about recent earthquakes in Hawaii are posted on the HVO website. 

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and colleagues.

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Kīlauea Information Statement—middle East Rift Zone inflation

Kīlauea Information Statement—middle East Rift Zone inflation

Elevated rates of ground deformation in Kīlauea’s middle East Rift Zone continue following the June 22–25 upper East Rift Zone intrusion within...

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Volcano Watch — Kīlauea’s 2019–2020 lake: recalling the watery intermission between eruptions

Volcano Watch — Kīlauea’s 2019–2020 lake: recalling the watery intermission between eruptions

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...

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Photo and Video Chronology — Sulfur Cone gas monitoring maintenance on August 2, 2024

Photo and Video Chronology — Sulfur Cone gas monitoring maintenance on August 2, 2024

On August 2,2024, Hawaiian Volcano Observatory gas scientists flew via helicopter to the Sulfur Cone Multi-Gas instrumentation site on Mauna Loa's...

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Volcano Watch — HVO bids farewell to its Uēkahuna location

Volcano Watch — HVO bids farewell to its Uēkahuna location

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

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Photo and Video Chronology — Minor Cracking on Chain of Craters Road from Intrusion

Photo and Video Chronology — Minor Cracking on Chain of Craters Road from Intrusion

During an intrusion in Kīlauea's upper East Rift Zone from July 22-25, 2024, more than 1,500 earthquakes were detected. Changes in ground deformation...

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Volcano Watch — What’s been a movin' and a shakin' in Kīlauea’s upper East Rift Zone?

Volcano Watch — What’s been a movin' and a shakin' in Kīlauea’s upper East Rift Zone?

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...

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Kīlauea Information Statement — upper East Rift Zone intrusion ongoing

Kīlauea Information Statement — upper East Rift Zone intrusion ongoing

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

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Kīlauea Volcano Activity Notice — Kīlauea upper East Rift Zone unrest has decreased in intensity; status is being lowered to YELLOW/ADVISORY.

Kīlauea Volcano Activity Notice — Kīlauea upper East Rift Zone unrest has decreased in intensity; status is being lowered to YELLOW/ADVISORY.

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

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Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest in the upper East Rift Zone

Kīlauea Volcano Activity Notice — Status Upgrade to WATCH/ORANGE, elevated unrest in the upper East Rift Zone

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...

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Kīlauea Status Report: upper East Rift Zone swarm

Kīlauea Status Report: upper East Rift Zone swarm

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

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Volcano Watch — Measuring Volcanic Gases: The Answer is Blowin’ in the Wind

Volcano Watch — Measuring Volcanic Gases: The Answer is Blowin’ in the Wind

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

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Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

Volcano Watch — More shaking on Kīlauea’s south flank. Did you feel it?

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...

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