Volcano Hazards Program Office

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Date published: July 22, 2019

Alterations to go! Hydrothermal alteration in Yellowstone

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from geologist Pat Shanks, Scientist Emeritus with the U.S. Geological Survey.

Date published: July 19, 2019

Photo and Video Chronology - Mauna Loa - July 10, 2019

Video shows Moku‘āweoweo, the caldera at the summit of Mauna Loa, during a routine overflight. 

Date published: July 15, 2019

A new view of Old Faithful's underground plumbing system

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Sin-Mei Wu, Jamie Farrell, and Fan-Chi Lin, seismologists with the University of Utah Seismograph Stations and the Department of Geology and Geophysics.

Date published: July 12, 2019

Volcano Alert Level for Mauna Loa raised to "Advisory"

On July 2, HVO raised the Volcano Alert Level for Mauna Loa from "Normal" to "Advisory".

Date published: July 3, 2019

Volcano Watch - USGS Volcano Notification Service informs island residents about Hawaiian volcanoes

Hawaii residents are likely familiar with the Volcano Activity Updates that the Hawaiian Volcano Observatory (HVO) issues for Kīlauea and other active Hawaiian volcanoes. These updates, which provide situational awareness of volcanic activity and hazards, were formally established in 2006. 

Date published: June 10, 2019

Updated overview of Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse

A summary chronology and interesting facts about Kīlauea Volcano's 2018 lower East Rift Zone eruption and summit collapse.

Date published: May 22, 2019

New USGS data release has GIS shapefiles for the June 27th lava flow

This GIS dataset shows the evolution of the "June 27th" lava flow (episode 61e of the Pu‘u ‘Ō‘ō eruption) that was active from June 27, 2014, to June 8, 2016.

Date published: May 8, 2019

USGS Scientific Team Selected as a Finalist for the “Oscars” of Government Service

The team at the U.S. Geological Survey Hawaiian Volcano Observatory is one of several finalists nominated for the 2019 Service to America Medals.

Date published: April 29, 2019

Photo and Video Chronology - Mauna Loa - April 29, 2019

This timelapse sequence of webcam images over a 24-hour period shows a typical day at the summit of Mauna Loa. 

Date published: April 27, 2019

Magnitude-4.2 earthquake southeast of Volcano, Hawai‘i

The U.S. Geological Survey's Hawaiian Volcano Observatory (HVO) recorded a magnitude-4.2 earthquake on Saturday, April 27, 2019, at 5:26 p.m. HST.

Date published: April 16, 2019

Public talks about Kīlauea Volcano's 2018 events

Details about two upcoming talks presented by HVO scientists on April 23 and May 2 are posted.