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Updates to HVO's Kīlauea and Mauna Loa "Geology & History" Webpages

Updates to HVO's Kīlauea and Mauna Loa "Geology & History" Webpages

HVO has updated the Geology & History webpages for Kīlauea and Mauna Loa volcanoes. These pages now include maps and links to revised tables...

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YVO welcomes Montana State University to the team!

YVO welcomes Montana State University to the team!

Since 2013, the Yellowstone Volcano Observatory has been a consortium of 8 institutions—a mix of state and federal agencies and academic institutions...

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Volcano Watch — The 1919–1920 Mauna Iki eruption at Kīlauea Volcano

Volcano Watch — The 1919–1920 Mauna Iki eruption at Kīlauea Volcano

As many people have noted, the last global pandemic was raging one hundred years ago.  Kīlauea was erupting 100 years ago, although it was certainly...

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Photo and Video Chronology - Kīlauea - June 1, 2020

Photo and Video Chronology - Kīlauea - June 1, 2020

Virtual flyover of Kīlauea summit

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Yellowstone Monthly Update - June 2020

Yellowstone Monthly Update - June 2020

Yellowstone Volcano remains at GREEN/NORMAL. Yellowstone National Park is open and seasonal field work began last month. The University of Utah...

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New interactive map on Yellowstone’s geology

New interactive map on Yellowstone’s geology

Are you interested in Yellowstone’s dynamic geology? Do you like maps? If the answer to both questions is “yes,” then you’ll love a new online...

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Photo and Video Chronology - Kīlauea - May 29, 2020

Photo and Video Chronology - Kīlauea - May 29, 2020

Overflight of Kīlauea's summit

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Volcano Watch — New assessment of Kīlauea’s extreme SO2 emission rates in 2018

Volcano Watch — New assessment of Kīlauea’s extreme SO2 emission rates in 2018

If you were around the Island of Hawai‘i—or even other Hawaiian Islands, or Guam!—between May and August of 2018, you likely know that Kīlauea’s lower...

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New USGS Data Release - Geospatial database of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Hawai‘i

New USGS Data Release - Geospatial database of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Hawai‘i

The recently published "Geospatial database of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Hawai‘i" contains data used to construct...

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Aftershocks? Swarm? What is the difference, and what do they mean?

Aftershocks? Swarm? What is the difference, and what do they mean?

In Yellowstone, we often talk about earthquake swarms.  But especially in recent weeks, we’ve also discussed aftershock sequences.  What is the...

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Volcano Watch — Several notable Kīlauea anniversaries occur at the end of May

Volcano Watch — Several notable Kīlauea anniversaries occur at the end of May

The past two years of "Volcano Watch" articles from late May focused on commemorating the 49th and 50th anniversaries of the Mauna Ulu eruption...

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Photo and Video Chronology - Kīlauea - May 15, 2020

Photo and Video Chronology - Kīlauea - May 15, 2020

Wide view of the 2018 summit collapse from the south rim

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