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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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Volcano Watch — Kīlauea summit eruptions outside of Halemaʻumaʻu

Volcano Watch — Kīlauea summit eruptions outside of Halemaʻumaʻu

We are used to seeing eruptions from the summit region of Kīlauea contained to the region that is referred to as Halemaʻumaʻu. Halemaʻumaʻu, home of...

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Photo & Video Chronology — April 30, 2026 — Satellite imagery showing changes to Kīlauea summit region

Photo & Video Chronology — April 30, 2026 — Satellite imagery showing changes to Kīlauea summit region

Satellite images collected before and during the episodic lava fountaining eruption at the summit of Kīlauea show how the deposits from this eruption...

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Photo & Video Chronology — April 23, 2026 — Kīlauea episode 45

Photo & Video Chronology — April 23, 2026 — Kīlauea episode 45

Episode 45 of lava fountaining in Halemaʻumaʻu at the summit of Kīlauea began at 1:34 a.m. HST on April 23, after two days of precursory activity, and...

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Volcano Watch — Shallow earthquakes and ground deformation at Kīlauea’s summit highlight hazards near Halemaʻumaʻu

Volcano Watch — Shallow earthquakes and ground deformation at Kīlauea’s summit highlight hazards near Halemaʻumaʻu

The USGS Hawaiian Volcano Observatory (HVO) detected an increase in shallow seismicity and localized ground deformation beneath the south rim of...

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Volcano Minute — Earthquakes and ground movement south of Halemaʻumaʻu

Volcano Minute — Earthquakes and ground movement south of Halemaʻumaʻu

Today we’re taking a close look at recent activity beneath the south rim of Halemaʻumaʻu — an area that remains closed to the public and continues to...

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Volcano Minute — Fountains and festivities for Merrie Monarch week

Volcano Minute — Fountains and festivities for Merrie Monarch week

It was a busy week in Hilo as the Merrie Monarch Festival kicked off—right as Kīlauea delivered its 44th episode of lava fountaining. 

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Volcano Watch — Fountains and festivities: Kīlauea erupts episode 44 as Merrie Monarch begins

Volcano Watch — Fountains and festivities: Kīlauea erupts episode 44 as Merrie Monarch begins

As Hilo was bustling with activity for the Merrie Monarch Festival, Kīlauea was brewing for episode 44 of lava fountaining, which happened for 8.5...

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Photo & Video Chronology — April 14, 2026 — Resolving HVO monitoring network outage

Photo & Video Chronology — April 14, 2026 — Resolving HVO monitoring network outage

On Saturday, April 11, the USGS Hawaiian Volcano Observatory (HVO) noted an outage of its radio telemetry network, resulting in the loss of multiple...

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April 11, 2026—HVO monitoring network outage

April 11, 2026—HVO monitoring network outage

On Saturday, April 11, the USGS Hawaiian Volcano Observatory (HVO) noted an outage of its radio telemetry network, resulting in the loss of multiple...

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Photo & Video Chronology — April 9, 2026 — Kīlauea summit episode 44

Photo & Video Chronology — April 9, 2026 — Kīlauea summit episode 44

Episode 44 of lava fountaining at the summit of Kīlauea took place on April 9, 2026. Southerly/southwesterly winds resulted in the plume being...

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Volcano Minute — Tephra deposits around Kīlauea summit, clues of past fountains

Volcano Minute — Tephra deposits around Kīlauea summit, clues of past fountains

Kīlauea’s recent lava‑fountaining episodes may feel dramatic and new, but the volcano’s geologic record tells us they’re part of a long-term pattern. ...

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Volcano Watch — Caldera clues: tephra deposits from Kīlauea’s past

Volcano Watch — Caldera clues: tephra deposits from Kīlauea’s past

Past “Volcano Watch” articles have summarized the episodic lava fountaining eruptions in Kīlauea’s recent history—within the past couple hundred years...

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