Volcano Watch: HVO Looks to the Past to Better Understand Future Mauna Loa Eruptions

Since 1843, Mauna Loa has erupted 33 times.
April 02, 2020

Volcano Watch: Water, Ash, and the Great Unknown of Explosive Volcanic Eruptions

The USGS Hawaiian Volcano Observatory continues to monitor and issue regular updates on Hawaiian volcanoes while also heeding Federal and CDC, as well as State and County guidelines to maintain the health and safety of our staff and the community.
March 27, 2020

Volcano Watch: HVO’s Geological Sample Collections are an Important Resource

When a sample is collected, it’s important to document the sample’s “metadata.”
March 23, 2020

HVO’s Geological Sample Collections are an Important Resource

HVO carefully archives or curates these precious geological samples collected by current and past HVO geologists, collaborators, visiting scientists, and volunteers.
March 20, 2020

Old bombs found on Mauna Loa: The rest of the story (Part 2)

Last week’s Volcano Watch provided details of events leading up to the dropping of bombs on a Mauna Loa lava flow on December 27, 1935. Here’s the rest of the story.
March 13, 2020

Old Bombs Found on Mauna Loa

In late February 2020, Hawaii media reported on the recent discovery of two bombs on the north flank of Mauna Loa, but details were lacking.
March 05, 2020

Volcano Watch: This week marks 65 years since Kīlauea Volcano’s eruption

In recognition of this historic event, we look back at the eruption and compare it to what happened in 2018. 
February 27, 2020

Thurston Lava Tube at VNP Reopened to Public

Thurston Lava Tube in Hawai‘i Volcanoes National Park has officially reopened to the public after the eruption of Kilauea shut it down for over a year.
February 21, 2020

Chemical Analyses Shed Light on Possible Origins of Island Ash Deposits

The origin(s) of volcanic ash deposits on the Island of Hawai‘i have been an enigma, especially those found on and between Kīlauea and Mauna Loa.
February 20, 2020

Volcano Watch: Endangered Plant Survives Volcanic Hotspot, but is Challenged by Invasive Species

While there used to be over 4,000 individual Portulaca plants in the Puhimau thermal area in 1983, there are now fewer than 30 naturally occurring individuals.
February 13, 2020

 
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