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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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USGS HVO Press Release — Magnitude-4.5 Earthquake beneath Mauna Kea, Hawai‘i

USGS HVO Press Release — Magnitude-4.5 Earthquake beneath Mauna Kea, Hawai‘i

A magnitude-4.5 earthquake was located on the northeast flank of Mauna Kea by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) on...

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Volcano Watch — Golden anniversary of Chilean earthquake comes early

Volcano Watch — Golden anniversary of Chilean earthquake comes early

May 22, 2010, marks the 50th anniversary of the 1960 magnitude-9.5 Chilean earthquake, which was the largest earthquake worldwide in the last 200...

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Volcano Watch — Kīlauea plume: now you see it, now you don't

Volcano Watch — Kīlauea plume: now you see it, now you don't

Alert observers of Kīlauea ongoing summit eruption often note the changing character of the ever-present plume emerging from Halema`uma`u. Sometimes...

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Volcano Watch — Paleomagnetism: An Attractive Technique for Studying Volcanoes

Volcano Watch — Paleomagnetism: An Attractive Technique for Studying Volcanoes

The magnetic field surrounding the Earth protects it and all living things upon it from charged particles ejected by the sun.

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Volcano Watch — Lava advances in "two steps forward, one step backward" style

Volcano Watch — Lava advances in "two steps forward, one step backward" style

Long-time Kīlauea Volcano watchers know the drill when the supply of magma to the active vent on the volcano's east rift zone is interrupted...

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Volcano Watch — Seismic streaks signal silent slip to the sea

Volcano Watch — Seismic streaks signal silent slip to the sea

In the early hours of Monday, February 1, 2010, , a swarm of microearthquakes began to occur on the south flank of Kīlauea volcano.

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Volcano Watch — Lights, camera, eruption! Volcanoes in the movies

Volcano Watch — Lights, camera, eruption! Volcanoes in the movies

As Volcano Awareness Month nears its end, we conclude our look at volcanoes and society by exploring the cinematic treatment of volcanoes over the...

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USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

USGS HVO Press Release — Kīlauea's Volcanic Gases and Their Environmental Impacts

The public is invited to learn more about volcanic gas emissions and vog in a presentation by U.S. Geological Survey Hawaiian Volcano Observatory...

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Photo and Video Chronology - Mauna Loa - January 25, 2010

Photo and Video Chronology - Mauna Loa - January 25, 2010

Views of Mauna Loa's Southwest and Northeast Rift Zones.
 

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Volcano Watch — Something to write about: the influence of volcanoes on literature

Volcano Watch — Something to write about: the influence of volcanoes on literature

In the previous two weeks, we examined the role that volcanoes have played in both religion and art. Today, we discuss the influence of volcanoes on...

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USGS HVO Press Release — Magnitude-4.3 Earthquake Northwest of Pāhala, Hawai‘i

USGS HVO Press Release — Magnitude-4.3 Earthquake Northwest of Pāhala, Hawai‘i

A magnitude-4.3 earthquake was located on the south flank of Mauna Loa by the U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) on Monday...

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Volcano Watch — Volcanoes-a source of artistic inspiration?

Volcano Watch — Volcanoes-a source of artistic inspiration?

In celebration of Volcano Awareness Month (January 2010), we examine the influence of volcanoes on human society, beginning last week with religion...

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