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Volcano Watch

By Hawaiian Volcano Observatory

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

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Filter Total Items: 1680
Volcano Watch — Antarctic-volcano radar system visits Halema‘uma‘u

Volcano Watch — Antarctic-volcano radar system visits Halema‘uma‘u

A recent issue of Volcano Watch [https://volcanoes.usgs.gov/hvo/hvo_volcano_watch.html?vwid=1232] looked at what the level of the lava lake within...

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Volcano Watch — Kīlauea Volcano’s summit eruption is now a decade old

Volcano Watch — Kīlauea Volcano’s summit eruption is now a decade old

A little more than ten years ago, conditions around Kīlauea Volcano's summit were much different than today. The caldera floor was open to the public...

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Volcano Watch — Is the current summit eruption a return to Kīlauea Volcano's past?

Volcano Watch — Is the current summit eruption a return to Kīlauea Volcano's past?

To set the stage for next week's Volcano Watch about the upcoming anniversary of Kīlauea Volcano's current summit eruption, this week we revisit the...

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Volcano Watch — Monitoring Hawaiian volcanoes requires a diversified toolkit

Volcano Watch — Monitoring Hawaiian volcanoes requires a diversified toolkit

Most people likely know that the USGS Hawaiian Volcano Observatory (HVO) uses seismometers and Global Positioning System (GPS) receivers for...

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Volcano Watch — Slow slip event on Kīlauea Volcano’s south flank is expected this year

Volcano Watch — Slow slip event on Kīlauea Volcano’s south flank is expected this year

Today's Volcano Watch begins with a question: Can you guess when the next slow slip event will happen on Kīlauea Volcano's South Flank? As a hint, the...

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Volcano Watch — Why are HVO scientists talking so much about Mauna Loa?

Volcano Watch — Why are HVO scientists talking so much about Mauna Loa?

In recent weeks, the USGS Hawaiian Volcano Observatory (HVO) joined forces with several other agencies to talk about Mauna Loa at community events and...

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Volcano Watch — Sounds we can't hear teach us about lava lakes

Volcano Watch — Sounds we can't hear teach us about lava lakes

If you visit Hawai‘i Volcanoes National Park's Jaggar Museum Overlook when the wind is calm, you might be able to hear the sounds of gas bubbles...

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Volcano Watch — Volcano Watch archive is now complete and inspires a new column

Volcano Watch — Volcano Watch archive is now complete and inspires a new column

In November 2017, "Volcano Watch" entered its 27th year of publication. The long history of this column is, in large part, thanks to the U.S...

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Volcano Watch — Why do some earthquakes have negative depths?

Volcano Watch — Why do some earthquakes have negative depths?

Astute visitors to the USGS Hawaiian Volcano Observatory (HVO) website may have noticed that some recent earthquakes have negative depths. This does...

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Volcano Watch — Keeping informed about Hawaiian volcanoes is the first step to preparedness

Volcano Watch — Keeping informed about Hawaiian volcanoes is the first step to preparedness

With recent attention focused on the need to be prepared for all hazards, this week's Volcano Watch offers ways to stay informed about Hawaiian...

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Volcano Watch — What makes the lava lake within Halema‘uma‘u rise and fall?

Volcano Watch — What makes the lava lake within Halema‘uma‘u rise and fall?

About a year ago, the lava lake within Halema‘uma‘u at Kīlauea Volcano's summit was high enough that spattering on the lake surface was commonly...

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Volcano Watch — The Hawaiian Volcano Observatory looks forward to 2018

Volcano Watch — The Hawaiian Volcano Observatory looks forward to 2018

With the Wolf Moon illuminating Kīlauea Caldera from above and the Halema‘uma‘u lava lake glowing below, the USGS Hawaiian Volcano Observatory (HVO)...

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