Hawaii Volcano Blog

Friday, November 27, 2020

Kīlauea Eruption Triggered by Decade-Long Pressure Build-Up, Study Shows

The 2018 eruption of Kīlauea was triggered by a decade-long build-up of pressure in the upper parts of the volcano.
Wednesday, November 25, 2020

Volcano Watch: Remembering The Thanksgiving Eve Breakout From 2007

Although the TEB flow was much less destructive than the 2018 LERZ eruption, it nevertheless threatened homes in lower Puna for months.
Friday, November 20, 2020

How Has Topography Been Modeled at Hawai‘i’s Volcanoes?

In cartography and geographic analyses related to volcanoes, especially in Hawai‘i, there is perhaps nothing more important than having an accurate digital model of topography.
Friday, November 13, 2020

Volcano Watch: Using Hawaiian Eruptions to Understand volcanism in N. California

Some regions monitored by the volcano observatories had geologically ‘young’ eruptions that are nonetheless old enough to lack written documentation, eyewitnesses, or first-hand accounts.
Thursday, November 05, 2020

Volcano Watch: Innovative Monitoring of Kīlauea’s Summit Water Lake

The water surface is a mosaic in constant motion, a scene that changes by the minute and hour. 
Thursday, October 29, 2020

Volcano Watch: Seismic Swarms and Sulfur Smells, What is Happening at Kīlauea Volcano?

Between seismic swarms leading to sleepless nights, and sulfur smells leading to wrinkled noses, it has been a somewhat interesting week for Hawai‘i Island residents.
Friday, October 23, 2020

Volcano Watch: Charcoal Provides Understanding to Processes in Young Volcanic Terranes

One of the fundamental premises of geology is that the “key to understanding the future is to understand the past.”
Thursday, October 15, 2020

Volcano Watch: Crack Team of Geologists Measure the Koa‘e Fault System

The Koa‘e fault system connects Kīlauea’s East and Southwest Rift Zones south of the caldera.
Sunday, October 11, 2020

Volcano Watch: Join Statewide Earthquake Preparedness Drill on Oct. 15

Major earthquakes cannot be predicted.
Friday, October 02, 2020

Volcano Watch: What Do Earthquake Measurements Mean?

By 1930, Hawai‘i had earthquake report cards that were distributed to the community by HVO staff for people to write detailed information about what they observed during earthquakes.
Friday, September 25, 2020

Volcano Watch: HVO’s New Website is More Accessible and Mobile-Friendly

An exciting and major improvement on the new HVO website is that it’s more mobile-friendly.
Thursday, September 17, 2020

Volcano Watch: HVO Camera Network Reconfiguration and Upgrades Coming Soon

Over the past two decades, the USGS Hawaiian Volcano Observatory (HVO) has set up a camera network system to monitor visual changes at Kīlauea and Mauna Loa volcanoes.
Friday, September 11, 2020

Volcano Watch: On the Surface of Kīlauea’s New Landscape, a Story is Told

In the past, Halema‘uma‘u crater was described as being transformed into a pit of “tumbled masses of rock blocks” after drainage or collapse of Kīlauea summit.
Thursday, September 03, 2020

Magma Plumbing Keeps Working Underneath Kīlauea’s New Landscape

Last week, Hawai‘i Volcanoes National Park was able to open the Kīlauea Overlook to the public for the first time since the lower East Rift Zone eruption and summit collapse in 2018.
Thursday, August 27, 2020

Volcano Watch: Geodesy Through Time, A History of Measuring The Shape of Hawaiian Volcanoes

Geodesy is the science of accurately measuring and understanding the Earth’s geometric shape, gravity field, and orientation in space — and how these change through time.
Thursday, August 20, 2020

Volcano Watch: Doppler Radar in Ka‘ū: More Than a Weather Radar

Here in Hawai‘i, we can rest assured that should Kīlauea again produce ash clouds of any significance, the Nāʻālehu radar stands guard, 24/7, to assist in rapid response.
Thursday, August 13, 2020

Volcano Watch: Water was in Kīlauea Caldera Before the 2018 Summit Collapse

The black streak, more prosaically called a water cascade, has reappeared sporadically in the past two years.
Friday, August 07, 2020

Volcano Watch: How Hot is Kīlauea’s Summit Water Lake?

The recent first anniversary of the appearance of water at Kīlauea’s summit is a reminder of how much has changed since the end of the 2018 eruption and summit collapse.
Friday, July 31, 2020

Volcano Watch: Kīlauea Volcano’s Summit Water Lake is 1 year old

On July 25, 2019, ponded water was first observed within Halema‘uma‘u at the summit of Kīlauea Volcano.
Friday, July 24, 2020

Volcano Watch: HVO Looking to Install Seismographs in Your Community

There are approximately 80 seismograph stations on the Island of Hawai‘i, most of which are located near volcanic vents and rift zones.
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