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The Puquios caldera partly overlaps the Carrizalillo caldera margin. These subsidiary calderas have left lava conduits, lacustrine and intrusive structures and other geomorphologic features. [4] The caldera is constructed in the terrain of the San Antonio formation, which forms megabreccia in the caldera. [2]
The California Volcano Observatory (CalVO) is the volcano observatory that monitors the volcanic and geologic activity of California and Nevada. It is a part of the Volcano Hazards Program of the United States Geological Survey , a scientific agency of the United States government .
This article comprises three sortable tables of major mountain peaks [a] of the U.S. State of California. The summit of a mountain or hill may be measured in three principal ways: The topographic elevation of a summit measures the height of the summit above a geodetic sea level. [b] [c] The first table below ranks the 50 highest major summits ...
The drys are getting drier.NASA satellite photos underscore how snow trends are significantly changing in the Sierra Nevada — the mighty mountain range California heavily relies on for water ...
The Long Valley Caldera was formed by a super-eruption about 760,000 years ago that blasted 140 cubic miles of magma, covering much of east-central California in hot ash that was blown as far away ...
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The volcanoes are listed from north to south, by province or state: British Columbia, Washington, Oregon, and California. ... Silverthrone Caldera [note 1] Caldera:
Mount Whitney is the highest mountain peak in the Sierra Nevada, the State of California, and the contiguous United States. The following list comprises the mountain ranges of U.S. State of California designated by the United States Board on Geographic Names and cataloged in the Geographic Names Information System .