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Date published: February 19, 2019

Volcano Awareness Month

January 2019 is Hawaiʻi Island's 10th annual Volcano Awareness Month.

Date published: February 14, 2019

Volcano Watch - Why do some Hawaii earthquakes occur so far offshore?

Earthquakes in Hawaii are intimately related to the volcanoes. In addition to helping scientists track moving magma, sometimes they happen simply because the earth under the island chain gets bent out of shape.

Date published: January 18, 2019

Update on January 2019 Volcano Awareness Month Presentations

Due to the lapse in appropriations, USGS Hawaiian Volcano Observatory scientists are unable to present public lectures as planned.

Date published: January 6, 2019

Update on January 2019 Volcano Awareness Month Presentations

Due to the lapse in appropriations, USGS Hawaiian Volcano Observatory scientists are unable to present lectures as planned. 

Date published: December 21, 2018

We continue to monitor and report on volcanic activity during any lapse in appropriations.

During the current federal government shutdown, the Volcano Hazard Program and all five U.S. Volcano Observatories will continue to issue updates, warnings, and notifications through the usual channels, including websites, email, and social media. 

Date published: October 25, 2018

Volcanic threat assessment helps prioritize risk reduction efforts at U.S. volcanoes

The U.S. Geological Survey assesses active and potentially active volcanoes in the U.S., focusing on history, hazards and the exposure of people, property and infrastructure to harm during an eruption. The findings are in the newly published 2018 Update to the U.S. Geological Survey National Volcanic Threat Assessment.

Date published: April 12, 2018

Volcano Watch — Explosive eruptions at the summit of Mauna Loa: When did they occur?

Three deposits from explosive eruptions at the summit of Mauna Loa are located west, northwest, and east of Moku‘āweoweo, the volcano's summit caldera. In map view, these deposits are fan-shaped. Along the ‘Āinapō Trail, 2.8 to 3.5 km (1.7 to 2.2 mi) southeast of the caldera, several kīpuka expose a fourth distinct explosive deposit.

Date published: April 5, 2018

Volcano Watch — Disaster strikes Ka‘ū in 1868: The rest of the story

Already reeling from a destructive earthquake and deadly tsunami and mud flow on April 2, 1868, Ka‘ū residents on the Island of Hawai‘i hoped for a reprieve, but it was slow to come.

Date published: March 26, 2018

Report provides volcanological context for 19th century artwork.

In this new USGS Open-File Report, artwork is matched with the approximate date and volcanological context of the scene, showing eruptions at Kīlauea and Mauna Loa in the late 19th century.

Date published: March 16, 2018

Photo and Video Chronology - Mauna Loa - March 16, 2018

On March 14, HVO's webcam [MLcam] captured this image of a double rainbow.

Date published: December 28, 2017

Volcano Watch — Happy birthday Pu‘u ‘Ō‘ō! A look back at what happened in 2017

On January 3, 2018, Pu‘u ‘Ō‘ō on Kīlauea Volcano's East Rift Zone reaches its 35th birthday.