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ORANGE WATCH, 2017-07-20 19:22:03 UTC

Mauna Loa
YELLOW ADVISORY, 2017-07-20 20:22:48 UTC

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Hawaiian Volcano Observatory's mission
HVO monitors the active volcanoes in Hawaii, assesses their hazards, issues warnings, and advances scientific understanding to reduce impacts of volcanic eruptions.

HVO News  (archive)
Active Volcanoes in Hawaii1

New USGS Open File Report: Hawaiians and scientists discuss Kīlauea volcanism
July 05, 2017

Co-editors Jim Kauahikaua and Janet Babb recently published Conversing with Pelehonuamea—A workshop combining 1,000+ years of traditional Hawaiian knowledge with 200 years of scientific thought on Kīlauea volcanism.

Events surrounding volcanic eruptions and damaging earthquakes in Hawai‘i have often been described in journals, letters, and newspapers articles in the English language; however, many

Hawaiian-language newspapers were in circulation through all but the earliest decades of the 19th century. Any modern reconstruction of the history of Hawaiian eruptions or earthquakes should take advantage of all available sources, and so we seek to add the Hawaiian-language newspaper articles, journals, stories, and chants to the volcano and earthquake literature. These sources have been used in many recent volcanological studies.

These proceedings are transcripts of oral presentations (illustrated with PowerPoint slides or charts) that were collected during a workshop in which Hawaiians and scientists came together to discuss Kīlauea volcanism. The presentations provide excellent introductions to Pelehonuamea chants, describe approaches to scientific field work that respects Hawaiian values and sacred areas, and discuss the importance of recovering and preserving Hawaiian place names.

Geologic map released for Mauna Loa's northeast flank.
May 01, 2017

Authors Trusdell and Lockwood published Geologic map of the northeast flank of Mauna Loa volcano, Island of Hawai‘i, Hawaii. This map refines knowledge of hazards and risks from Earth's largest active volcano. It encompasses the northeast flank of Mauna Loa from the 10,880-ft elevation to sea level, including the towns of Hilo and Volcano. The map shows the distribution of 105 lava flows from more than 30,000 years B.P. to A.D. 1984.

New USGS fact sheet provides information on volcanic air pollution in Hawaii.
April 20, 2017

Volcanic Air Pollution Hazards in Hawaii is an updated fact sheet that provides information on the science of Kīlauea's volcanic air pollution, known as "vog." It also addresses impacts to human health, agriculture, infrastructure, and the environment, and guides readers to relevant resources for living with vog.

Noxious sulfur dioxide gas and other air pollutants emitted from Kīlauea Volcano on the Island of Hawai‘i react with oxygen, atmospheric moisture, and sunlight to produce volcanic smog (vog) and acid rain. U.S. Geological Survey scientists, along with health professionals and local government officials are working together to better understand vog and to enhance public awareness of this hazard.

Very High Threat Potential 1
Mauna Loa
High Threat Potential 1
Moderate Threat Potential 1
Mauna Kea
Not Ranked 1

1. View the threat rankings of US Volcanoes.