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Volcano Watch

Volcano Watch is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. 

Filter Total Items: 1680
Volcano Watch — Reading the rainbow: How to interpret an interferogram

Volcano Watch — Reading the rainbow: How to interpret an interferogram

Since the early 1990s, scientists have used radar satellites to map movement, or deformation, of Earth’s surface. Interferometric Synthetic Aperture...

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Volcano Watch — Seeing the Earth shake on your screen

Volcano Watch — Seeing the Earth shake on your screen

The USGS Hawaiian Volcano Observatory (HVO), along with its partners at NOAA's Pacific Tsunami Warning Center (PTWC) and the National Strong-Motion...

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Volcano Watch — New eyes in the sky for monitoring Hawaiian volcanoes

Volcano Watch — New eyes in the sky for monitoring Hawaiian volcanoes

The Hawaiian Volcano Observatory (HVO) is no rookie when it comes to using flight to assist with monitoring Hawaiian volcanoes. Helicopters and fixed...

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Volcano Watch — USGS to survey Kīlauea Volcano from its summit to Kumukahi

Volcano Watch — USGS to survey Kīlauea Volcano from its summit to Kumukahi

Since the end of 2018's volcanic activity, USGS Hawaiian Volcano Observatory scientists have wanted to resurvey Kīlauea Volcano's ground surface to...

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Volcano Watch — 2019 marks the 50th anniversary of Kīlauea's Mauna Ulu eruption

Volcano Watch — 2019 marks the 50th anniversary of Kīlauea's Mauna Ulu eruption

May 24, 2019, is a notable date in Kīlauea Volcano's history. It is the one-year anniversary of several key events in the 2018 Kīlauea eruption, most...

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Volcano Watch — Students use science for the benefit of their communities

Volcano Watch — Students use science for the benefit of their communities

During the 2018 eruption of Kīlauea Volcano, when fissures erupted and lava flowed in the lower East Rift Zone (LERZ), many Puna residents were...

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Volcano Watch — New insights gained from Kīlauea Volcano's 2018 summit collapses

Volcano Watch — New insights gained from Kīlauea Volcano's 2018 summit collapses

A year ago, USGS Hawaiian Volcano Observatory scientists and Island of Hawai‘i residents were in the throes of an historically unprecedented series of...

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Volcano Watch — HVO geologists recall their first day of the 2018 lower East Rift Zone eruption

Volcano Watch — HVO geologists recall their first day of the 2018 lower East Rift Zone eruption

With the one-year anniversary of the onset of Kīlauea Volcano's 2018 lower East Rift Zone eruption upon us, USGS Hawaiian Volcano Observatory (HVO)...

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Volcano Watch — What we've learned from Kīlauea's 2018 lower East Rift Zone eruption

Volcano Watch — What we've learned from Kīlauea's 2018 lower East Rift Zone eruption

May 3, 2019, marks the one-year anniversary of the start of Kīlauea Volcano's 2018 lower East Rift Zone eruption. Over the past year, USGS Hawaiian...

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Volcano Watch - What caused—or did not cause—the 2018 Kīlauea eruption?

Volcano Watch - What caused—or did not cause—the 2018 Kīlauea eruption?

When a major geologic event occurs, scientists who study such events and the people who are directly or indirectly impacted by it seek to understand...

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Volcano Watch - Recent ground control survey helps finalize USGS lava thickness map

Volcano Watch - Recent ground control survey helps finalize USGS lava thickness map

In February 2019, the USGS Hawaiian Volcano Observatory (HVO) released a preliminary map of lava flow thicknesses for Kīlauea Volcano's 2018 lower...

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Volcano Watch - Eruption pause provides an opportunity to probe volcanic pollution

Volcano Watch - Eruption pause provides an opportunity to probe volcanic pollution

The end of Kīlauea's 2018 eruption this past September was accompanied by an enormous decrease in the amount of sulfur dioxide gas (SO2) emitted from...

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