As the oldest and largest island, the Island of Hawaii is dominated by the pair of volcanoes that created the island. At the ...

Fast forward to 2025, and there have been only three eruptions of Mauna Loa in the past 75 years since 1950: 1975, 1984, and ...

Snowshoeing on Kīlauea? High fountain episodes pose new challenges to monitoring - Features | Hawaii Tribune-Herald ...

Hawaiian Volcano Observatory field engineers on July 10, 2025, visited monitoring stations downwind of the Kīlauea summit eruptive vents. They wore snowshoes, as the large footprint keeps the field ...

In 1956, United States scientist Charles Keeling chose Hawaii’s Mauna Loa volcano for the site of a new atmospheric measuring station.

The Mauna Loa laboratory in Hawaii has measured atmospheric carbon dioxide, which — along with other planet-warming pollution — has led directly to climate change, driving sea level rise ...

For the first time, the seasonal peak of carbon dioxide concentrations in the atmosphere exceeded 430 parts per million (ppm) at NOAA’s Mauna Loa Observatory on Hawaii, scientists from NOAA and ...

An observatory high on Hawaii's Mauna Loa volcano that measures carbon dioxide in the atmosphere has reported its highest ever seasonal peak concentration of the greenhouse gas. For the first time ...

A pair of 2021 satellite photos highlight an unusually heavy snowfall in Hawaii that covered the summits of the volcanoes Mauna Loa and Mauna Kea.

HONOLULU (KHON2) — The Hawaii Department of Health is warning residents about a recall on Mauna Loa Dark Chocolate Covered Macadamias due to the possible presence of undeclared almonds and cashews.

Mauna Loa Macadamia Nut Co. LLC of Kea’au, Hawaii, is voluntarily recalling Mauna Loa Dark Chocolate Covered Macadamias in 0.6 and 4 ounce bags. Why were the Mauna Loa macadamias recalled? The ...