Filter Total Items: 1,226
Date published: May 29, 2018

Why so many earthquakes in the Kīlauea summit area?

Deflation at Kīlauea's summit has caused up to 1.5 meters (about 5 feet) of subsidence, which has stressed the faults around and within Kīlauea Caldera. 

Date published: May 24, 2018

Volcano Watch - Molten lava plus vegetation can create hazardous explosions

Numerous hazards are associated with active lava flows, and USGS Hawaiian Volcano Observatory scientists have written about many of them in past Volcano Watch articles. However, it's been a while since one particular hazard—so-called "methane explosions"—has been addressed.

Date published: May 24, 2018

Ground- and space-based monitoring reveal where magma has moved under Kīlauea Volcano

An explanation of magma movement from Kīlauea's summit through the volcano's East Rift Zone and to the eruption site(s) in lower Puna.

Date published: May 17, 2018

Volcano Watch - Turn to the USGS and other trusted sources for Kīlauea eruption info

False rumors about the ongoing volcanic activity at the summit and lower East Rift Zone of Kīlauea Volcano are causing unnecessary anxiety and confusion. We encourage everyone to check the source of any information you read or hear to be sure that it's factual, accurate, and timely.

Date published: May 14, 2018

Facts on the stability of Kīlauea's south flank, past and present.

Addresses speculative stories, rumors and blogs about the stability of the south flank of Kīlauea and the potential for a catastrophic collapse that could generate a Pacific-wide tsunami.

Date published: May 11, 2018

Volcano Watch - It's an extraordinary time on Kīlauea Volcano!

Last week's Volcano Watch focused on the East Rift Zone eruption, which continues to impact the lower Puna District on the Island of Hawai‘i. Changes in the eruption are occurring daily, if not hourly, so by the time you read this article, the situation will likely have changed. Nevertheless, here's the status of the eruption as of Friday, May 11 (when this was written):

Date published: May 11, 2018

New Hawai'i Interagency Vog Information Dashboard (from IVHHN)

The International Volcanic Health Hazard Network (IVHHN) has a new resource for the current eruptive activity and associated hazards at Kīlauea Volcano's lower East Rift Zone and summit. Find it at

Date published: May 9, 2018

HVO/USGS Volcanic Activity Notice Kīlauea Volcano 8:02 a.m. HST

The steady lowering of the lava lake in "Overlook crater" within HALEMAUMAU at the summit of KILAUEA Volcano has raised the potential for explosive eruptions in the coming weeks.

Date published: May 6, 2018

Volcano Watch - What a day! Eruptions, earthquakes, and a lower lava lake

The USGS Hawaiian Volcano Observatory was unable to issue "Volcano Watch" by its regular Thursday deadline on May 3 due to unfolding events on Kīlauea Volcano. Little did we know that Friday would be even more hectic.

Date published: May 3, 2018

Eruption in Leilani Estates subdivision, Kīlauea Volcano

The intrusion of molten rock into the lower East Rift Zone of Kilauea Volcano reached the surface in the late afternoon on May 3 in a part of Leilani Estates. 

Date published: May 2, 2018

How you can stay informed about Kīlauea Volcano activity

The USGS Volcano Notification Service (VNS) is a free service that sends automatic notices (emails or texts) about volcanic activity at U.S. monitored volcanoes, including Hawaiian volcanoes. You can sign up to receive these notifications at