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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 — Ancient Hawaiians: Plenty of Oars but No Ores

Volcano Watch — Ancient Hawaiians: Plenty of Oars but No Ores

Most accounts of Captain Cook's first arrival in Hawai`i describe the Hawaiians' fascination with metal objects.

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Volcano Watch — Mount St. Helens' Eruption of 2004-2008 Described in Newly Published USGS Book

Volcano Watch — Mount St. Helens' Eruption of 2004-2008 Described in Newly Published USGS Book

It is placid these late-summer days at Mount St. Helens, the mainland U.S. volcano that began in 2004, a sluggish, relentless eruption that lasted for...

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Volcano Watch — Putting Kīlauea's Current Activity in Perspective

Volcano Watch — Putting Kīlauea's Current Activity in Perspective

Dr. Thomas L. Wright, former Scientist-in-Charge of HVO, spent the last two weeks in Hawai`i exchanging ideas and information with HVO scientists.

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Volcano Watch — Alaska's Summer Field Season for Volcanologists is Quickly Coming to a Close

Volcano Watch — Alaska's Summer Field Season for Volcanologists is Quickly Coming to a Close

Summer is traditionally the best field season for volcanologists to conduct a variety of work on restless and active volcanoes, especially in remote...

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Volcano Watch — Simple Tools Measure Amount of Volcanic Ash from Halema`uma`u

Volcano Watch — Simple Tools Measure Amount of Volcanic Ash from Halema`uma`u

What do 10 plastic buckets, a 1.5-inch paint brush, a small funnel, two restaurant heat lamps, and a simple weighing scale have in common? These...

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Volcano Watch — HVO Gets a Brief Look at Seismology's Promising Future.

Volcano Watch — HVO Gets a Brief Look at Seismology's Promising Future.

Opportunities to meet and become better acquainted with new colleagues are important and valuable in all organizations.

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Volcano Watch — Kīlauea's Summer Break Pau for Now?

Volcano Watch — Kīlauea's Summer Break Pau for Now?

While baseball fans nationwide at this time of year think about "trades" in terms of swapping average for exceptional ball players, we here in Hawai`i...

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Volcano Watch — Scientists have mixed success with forecasting volcano hazards in Hawai`i

Volcano Watch — Scientists have mixed success with forecasting volcano hazards in Hawai`i

To most Hawai`i Island residents, the eruption of Kīlauea Volcano has been something that is happening "over there." Pele's domain might be an...

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Photo and Video Chronology - Mauna Loa - July 31, 2009

Photo and Video Chronology - Mauna Loa - July 31, 2009

Aerial views of Mauna Loa and neighboring volcanoes.
 

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Volcano Watch — A Volcano's Many Layers Determine the Richness of Hawai`i's Groundwater Resources

Volcano Watch — A Volcano's Many Layers Determine the Richness of Hawai`i's Groundwater Resources

Groundwater provides most of the fresh drinking water used in Hawai`i. Thus, discoveries that increase our understanding of the groundwater stored in...

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Volcano Watch — Explosions and Lava Flows Continue from Guatemala's Volcano Trio

Volcano Watch — Explosions and Lava Flows Continue from Guatemala's Volcano Trio

When asked by a journalist why he robbed banks, the famous 1930s bank robber Willie Sutton (no relation to HVO scientist Jeff Sutton) was reported to...

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Volcano Watch — A Laser's Look into the Lua Reveals How Pit Craters Grow

Volcano Watch — A Laser's Look into the Lua Reveals How Pit Craters Grow

This month, researchers from the University of Hawai`i teamed up with the Hawaiian Volcano Observatory staff to use laser-based technology to peer...

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