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February 19, 2020

Endangered Plant Survives Volcanic Hotspot, But is Challenged by Invasive Species

From the U.S. Geological Survey Hawaiian Volcano Observatory Volcano Watch, a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates.
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June 29, 2019

Getting in the “Rift” Zone: Why & How They Erupt

The rift zones extend from Kīlauea Caldera and, like the summit region, are prone to volcanic activity. But why are the rift zones so active?
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June 27, 2019

Interpreting Surface Deformation at Kīlauea

Interferometric Synthetic Aperture Radar calculates the difference between two radar images taken at different times but looking at the same place on Earth.
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June 07, 2019

New Eyes in the Sky for Monitoring Hawaiian Volcanoes

The 2018 eruption of Kīlauea Volcano presented an opportunity for the U.S. Geological Survey to adopt unmanned aerial systems to better monitor the eruption.
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June 01, 2019

USGS to Survey Kīlauea Volcano From its Summit to Kumukahi

USGS Hawaiian Volcano Observatory scientists have wanted to resurvey Kīlauea Volcano’s ground surface to document changes brought about by the Puna eruption.
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May 09, 2019

New Insights Gained From Kīlauea Volcano’s 2018 Summit Collapses

A year ago, USGS Hawaiian Volcano Observatory scientists and Island of Hawaiʻi residents were in the throes of an historically unprecedented series of events for Kīlauea.
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May 03, 2019

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.
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April 25, 2019

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 its cause.
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April 14, 2019

Survey Helps Finalize USGS Lava Thickness Map

The USGS Hawaiian Volcano Observatory released a preliminary map of lava flow thicknesses for Kīlauea Volcano’s 2018 lower East Rift Zone eruption.
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April 10, 2019

Eruption Pause Creates Opportunity to Probe Volcanic Pollution

In contrast to last summer, Kῑlauea’s current lull in activity provides an excellent opportunity to study background air quality.
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March 28, 2019

New Outcrops at Kīlauea Make Good Geology

A good field geologist is an opportunist. Outcrops provide a great understanding to some questions about what happened in the geologic past.
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March 09, 2019

How is Lava Flow Thickness Measured and Why Does it Matter?

Eruption rate is probably the best measure of volcanic activity, and the first step in that calculation is to measure lava flow thickness and area.
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February 18, 2019

Geology of the Past, How Long Will the Eruption Last?

The 2018 lower East Rift Zone eruption of Kīlauea brought an end to the 35+ year eruption at Puʻu ‘Ō‘ō.
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February 18, 2019

7 Months of No Lava at Pu‘u ‘Ō‘ō Heralds End of an Era

One of the most frequent questions asked of USGS Hawaiian Volcano scientists the last several months has been, “Is the Lower East Rift eruption over?”
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December 15, 2018

January is Volcano Awareness Month

Launched in 2010 and held every year since, “Volcano Awareness Month” is one way that the USGS Hawaiian Volcano Observatory (HVO) promotes the importance of understanding the volcanoes on which we live.
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