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31 January 2023

Palolo Valley: the boulder that came to tea

A great video has emerged of a boulder that crashed into a house in the Palolo Valley in Hawaii on Sunday 29 January 2023


3 October 2019

Shape of volcanic ash influences contamination of water sources in volcanically active regions

Contaminants from volcanic eruptions leach into water at different rates depending on the shape of the volcanic ash particles, according to new research that could enhancing scientists’ ability to predict water quality risk in volcanically active regions.


4 May 2019

One year

I’ve delayed writing about my involvement in last summer’s Kilauea eruption for a number of reasons. One is because I wanted to wait until the USGS has had a chance to publish the preliminaries of the eruption; others are more personal, involving my experience working with the communities affected and the people responding to the eruption. But now that the one-year anniversary of the start of the eruption has come …


11 December 2018

Far from the science-ing crowd

This year, sadly, I’m not attending AGU’s Fall Meeting. It’s partly personal choice –  I have several big projects scheduled for December and January – and partly that I don’t want to make two cross-country flights to go to a meeting and head home for the holidays (the timing doesn’t line up well). It’s also partly because in the USGS (and in the government in general), our choice of conferences to …


15 June 2018

Kilauea volcano: large-scale slumping on the rim of Halema‘uma‘u crater

As a part of the ongoing eruption at Kilauea volcano in Hawaii large-scale slumping is occurring around the margins of Halema‘uma‘u crater. This is perhaps the finest example of non-rotational slumping that I have ever seen.


21 March 2018

Tracking Eddies

By Elisha Wood-Charlson Once the LRAUVs Opah and Aku rendezvoused with the Falkor in the center of the eddy, it was time to switch them from survey mode to tracking and sampling mode. Our target eddy feature, the Deep Chlorophyll Max (DCM, discussed here), is indicated as a bright red/orange color in the data visualizations of Opah’s sensor output, indicating the increased chlorophyll signal that hovers ~100 meters below the …


1 November 2017

Polluted groundwater eroding Hawaiian coral reefs, study shows

Local land-based pollution makes coral reefs more vulnerable to ocean acidification and could trigger coastal coral reef ecosystem collapses sooner than projected, according to new research.


4 May 2017

Hawaiian mountains could lose snow cover by 2100

A new study, accepted for publication in Earth’s Future, a journal of the American Geophysical Union, indicate that Hawaii’s two volcano summits are typically snow-covered at least 20 days each winter, on average, but that the snow cover will nearly disappear by the end of the century.


29 June 2013

Google Street View Trekker in Hawaii

I am extremely excited about this news. Hawaii is a significant geologic location, and one that I know I’ll never get my students to. Fortunately, Google is taking my students for me! Who knew that by strapping a camera-equipped backpack…