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Observatory Messages

This page displays the latest volcano observatory short messages issued by the USGS Hawaiian Volcano Observatory. These short messages are quick status updates published on our website, social media, RSS and JSON. They supplement more detailed official products published in the Volcano Notification Service. 

Filter Total Items: 740
Kilauea Message 2025-06-25 15:04:47 HST
The updated forecast window for the start of episode 27 lava fountaining is June 29 - July 2. The ongoing Halema'uma'u eruption is paused. Summit inflation, tremor, degassing, vent glow at night continue.
Kilauea Message 2025-06-24 12:29:59 HST
The ongoing Halema'uma'u eruption remains paused. Preliminary forecast window for episode 27 lava fountaining is June 28 - July 4. Window to be updated as more data come in. Summit inflation, tremor, degassing, vent glow at night continue.
Kilauea Message 2025-06-24 11:27:09 HST
HVO field crews are performing maintenance on the V1 streaming camera on Tuesday, June 24. Viewers may notice temporary changes to the camera views, and may see HVO scientists at work in the field.
Kilauea Message 2025-06-20 10:48:16 HST
The eruption has paused. Episode 26 of the ongoing Halemaʻumaʻu eruption ended at approximately 10:25 AM HST on June 20. Tremor has decreased significantly. Summit tilt has changed from rapid deflation to slow inflation.
Kilauea Message 2025-06-20 10:34:31 HST
South vent shut down at approximately 10:25 AM. Lava flows are continuing to move slowly from the vents onto the crater floor as they cool and solidify. Summit deflationary tilt has stopped. Strong tremor continues.
Kilauea Message 2025-06-20 10:17:13 HST
North vent shut down at approximately 10:07 AM. Lava fountains under 160 ft (50 m) high and flows are still erupting from the south vent. Strong tremor continues.
Kilauea Message 2025-06-20 07:39:57 HST
Lava fountains and flows continue from both vents as of 7:30 AM. North vent has been much more active. Peak heights early this morning likely set a new record for this eruption. Heights are now ~650 ft (200 m) with frequent higher bursts.
Kilauea Message 2025-06-20 02:23:33 HST
Episode 26 of the ongoing Halemaʻumaʻu eruption began at approximately 1:40 AM HST, June 20, with lava fountains and flows erupting from the north vent. Fountain heights are well over 1,000 feet (300 m). Plume is over 20,000 ft (6,000 m).
Kilauea Message 2025-06-20 00:00:57 HST
Episode 26 precursory low-level activity started within Halemaʻumaʻu at 11:26 p.m. HST on June 19 when lava began overflowing from the north vent. Episode 26 fountaining is likely to begin within the next 24 hours.
Kilauea Message 2025-06-16 15:56:14 HST
Episode 26 lava fountaining will likely begin between June 18 and 20 based on current rates of summit inflation. This forecast window may change as new data come in. Fountaining could be preceded by hours to days of precursory activity.
Kilauea Message 2025-06-16 15:47:30 HST
The eruption remains paused. Summit inflation continues along with low level seismic tremor. Glow is visible overnight at the north and south vents. The average sulfur dioxide (SO2) emission rate during pauses is about 1,200 tonnes per day.
Kilauea Message 2025-06-11 20:31:45 HST
The eruption has paused. Episode 25 ended at 8:08 PM when fountains stopped erupting from the south vent. Tremor continued for a short while after surface activity stopped, but has now stabilized. Gradual inflationary tilt has resumed.
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