Iceland volcano eruption resumed, hot water lines and roads severed

The newest phase of the eruption near Grindavík, Iceland resumed on February 8 with lava erupting to the east of the Svartsengi power station southwest of the nation’s capital, Reykjavík. This is close to the site of the first eruption from this sequence in December 2023. Lava fountains up to 80 meters tall were observed […]

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Elevated earthquake activity at Mount St. Helens but no eruption imminent

An increase in seismic activity beneath Mount St. Helens that started on July 15, 2023 continued this week, reports the Cascades Volcano Observatory. Seismologists were able to locate nineteen earthquakes this past week a few miles below the volcano’s summit bringing the total for this earthquake swarm to 465. All of these earthquakes have been […]

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The Pacific Northwest’s other Ice Age Floods

Toward the end of the Last Glacial Maximum, catastrophic flooding surged down parts of the Columbia River watershed as natural dams creating large lakes failed. Some originated from Glacial Lake Missoula, which was created by a large dam of ice in Montana and Idaho that periodically failed. These, often termed Missoula Floods are probably the […]

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Shrinking glaciers on Mt. Rainier

Author’s Note: This is the last of a weekly series on geology for a class I am taking this semester at BYU-Idaho. This week’s prompt required students to show the effects of climate change in our local area. Other posts from this assignment can be found under the “Geology 111” category. If I had to pick […]

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