『Kilauea Volcano Poised for Imminent Eruption as U.S. Geological Activity Intensifies』のカバーアート

Kilauea Volcano Poised for Imminent Eruption as U.S. Geological Activity Intensifies

Kilauea Volcano Poised for Imminent Eruption as U.S. Geological Activity Intensifies

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 In recent days, geological activity and research in the United States have featured significant developments. According to the United States Geological Survey, Kilauea Volcano in Hawaii remains in a pause phase, but visible gas emissions and summit inflation signal that another episode of fountaining is likely imminently. The current eruption, which has been ongoing since December 2024, has displayed a pattern of episodic lava fountains lasting from a few hours to over a week, with pauses between episodes allowing magma chambers to recharge. Forecasts suggest the next active phase could occur between late November and the final week of the month. On the mainland, the Cascade Range volcanos show similar low-intensity activity, with ongoing glow noted at vents, intermittent slumping at crater rims, and low-level tremors associated with volcanic gas movements. These volcanoes remain under observation due to the possibility of renewed activity.

The U.S. Geological Survey also highlighted recent seismic activity in the Geysers geothermal region of California, reporting 111 earthquakes above magnitude 1 in the last week, the largest at magnitude 2.9. Meanwhile, Yellowstone Caldera remains at normal background activity levels but continues to subside, reflecting a long-term trend observed since 2015. Deformation measurements indicate the end of the seasonal uplift caused by snowmelt, with subsidence resuming as expected for this time of year.

Elsewhere in the United States, new assessments of energy resources attract attention. The United States Geological Survey released fresh estimates for the Niobrara Formation and the Phosphoria Petroleum System, concentrated in southwest Wyoming and northwest Colorado. These formations are now estimated to contain 703 million barrels of oil and 5.8 trillion cubic feet of natural gas in the Niobrara, along with 666 billion cubic feet of gas and 3 million barrels of oil in the Phosphoria, indicating ongoing interest in domestic resource potential.

In critical minerals, the U.S. Geological Survey updated its list to include both potassium-rich potash and lithium, reflecting the growing priority of securing domestic supplies for emerging technologies including energy storage and electric vehicles. This update has been welcomed by industry advocates such as American Critical Minerals, who point to the importance of these resources as the United States works toward greater supply independence and renewable energy adoption.

Internationally, a recent breakthrough in Greenland has shed light on how massive hidden underwater waves are rapidly melting glaciers. A research team used a ten kilometer fiber optic cable to reveal how iceberg calving creates submarine tsunamis, stirring up warm seawater and intensifying glacial melt. The finding highlights the interconnected nature of geological and climate processes, echoing global concerns about rapid change in the polar regions. Meanwhile, the tenth anniversary of the UNESCO Global Geoparks program is being marked, with 229 designated sites worldwide now recognized for their geological, educational, and sustainable tourism value, reinforcing a shared focus on heritage protection and conservation.

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