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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 — A reminder from Flossie: Be prepared for natural disasters

Volcano Watch — A reminder from Flossie: Be prepared for natural disasters

As we watched tropical storm Flossie weaken and change course from the path that would have landed it directly on the Island of Hawai‘i, a collective...

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Volcano Watch — U.S. ranks high in the world with active volcanoes and eruption-warning capability

Volcano Watch — U.S. ranks high in the world with active volcanoes and eruption-warning capability

When Mount St. Helens erupted explosively in 1980, most people were unaware that the U.S. ranks as one of the top countries in the world in the number...

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Volcano Watch — Practice is the key to protecting yourself during an earthquake

Volcano Watch — Practice is the key to protecting yourself during an earthquake

If you’re inside a building (home or office) and the ground beneath it begins to shake, what should you do? Stand in a doorway? Run outside?

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Volcano Watch — Volcanoes get that sinking feeling from large earthquakes

Volcano Watch — Volcanoes get that sinking feeling from large earthquakes

Observers of natural phenomena have long known that large earthquakes can trigger volcanic eruptions. For example, Charles Darwin reported that at...

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Volcano Watch — Traditional Hawaiian knowledge expands our understanding of Hawai‘i Volcanoes

Volcano Watch — Traditional Hawaiian knowledge expands our understanding of Hawai‘i Volcanoes

Hawaiians have occupied the lower portion of the Hawaiian archipelago for at least 800 years. They experienced many more earthquakes and eruptions in...

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Volcano Watch — Pillow fight helped America win its independence

Volcano Watch — Pillow fight helped America win its independence

The July 4 holiday is both a great time to spend with friends and family and also a time to reflect on our nation's origins.

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Volcano Watch — If a picture is worth a thousand words, a geologic map is priceless

Volcano Watch — If a picture is worth a thousand words, a geologic map is priceless

Cartography, the art or science of making maps, is alive and well at the Hawaiian Volcano Observatory (HVO).

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Volcano Watch — What's Shaking Deep Under Hawai‘i?

Volcano Watch — What's Shaking Deep Under Hawai‘i?

Most people know that the Island of Hawai‘i has many earthquakes, including several every year that are strong enough to be felt. They are caused by...

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Volcano Watch — Pu‘u ‘Ō‘ō hits middle age—and it shows

Volcano Watch — Pu‘u ‘Ō‘ō hits middle age—and it shows

Kīlauea's East Rift Zone eruption surpassed 30 years of activity in January 2013. But this month marks the 30th anniversary of Pu‘u ‘Ō‘ō, which became...

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Volcano Watch — HVO looks to European colleagues for new strategies to track and model lava-flow hazards

Volcano Watch — HVO looks to European colleagues for new strategies to track and model lava-flow hazards

On May 28-30, 2013, two Hawaiian Volcano Observatory (HVO) scientists participated in a workshop on "Satellite-Data-Driven Detection, Tracking and...

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Volcano Watch — New studies help refine Kīlauea gas emission rates

Volcano Watch — New studies help refine Kīlauea gas emission rates

There are times when the USGS motto, "Science for a Changing World," seems to be specifically crafted to describe studies at Hawaiian volcanoes.

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Volcano Watch — Risky actions at Kīlauea's ocean entry are cause for concern

Volcano Watch — Risky actions at Kīlauea's ocean entry are cause for concern

Most of us feel fortunate if we never go near a dangerous battlefield. Yet, dozens, if not hundreds, of people are knowingly—or unwittingly—doing just...

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