If some volcanoes operate on geologic timescales, Costa Rica's Irazú had something of a short fuse. In a new study in the journal Nature, scientists suggest that the 1960s eruption of Costa Rica's largest stratovolcano was ...
Earth Sciences
Jul 31, 2013
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(PhysOrg.com) -- Hawaii may be paradise for vacationers, but for geologists it has long been a puzzle. Plate tectonic theory readily explains the existence of volcanoes at boundaries where plates split apart or collide, but ...
Earth Sciences
Dec 3, 2009
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Geologists describe the process of an earthquake as occurring in three distinct phases. During the interseismic phase, strain builds up along a fault as adjacent pieces of crust catch onto one another and move in opposite ...
Earth Sciences
Nov 29, 2021
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When Steamboat Geyser, the world's tallest, started erupting again in 2018 in Yellowstone National Park after decades of relative silence, it raised a few tantalizing scientific questions. Why is it so tall? Why is it erupting ...
Earth Sciences
Mar 15, 2021
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Three researchers in France have authored "How ocean waves rock the Earth: Two mechanisms explain microseisms with periods 3 to 300 s," published in Geophysical Research Letters, a journal of the American Geophysical Union ...
The East Coast boom issue dates to at least the winter of 1977-78, when similar shock waves hit many communities. The military denied responsibility, so rumors and speculations abounded: secret weapons tests; operations of ...
Earth Sciences
Feb 5, 2016
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Another volcano in Alaska is heating up, with seismic instruments signaling a possible eruption.
Earth Sciences
May 13, 2013
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Immediate safety upgrades costing billions of euros (dollars) are needed in nuclear power plants "nearly everywhere" in Europe, according to the results of EU "stress tests" released Thursday.
Energy & Green Tech
Oct 2, 2012
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Hardly anyone noticed the ruckus when Yosemite Valley's largest rockfall in two decades thundered down near Half Dome before sunrise one March morning -- but scientists will hear all about it soon.
Earth Sciences
May 4, 2009
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In 2020, seismologist Goran Ekström noticed a peculiar wiggle picked up on Nov. 28 by seismographs around the world. It emanated from a remote area in British Columbia's steep, glaciated Central Coast Mountains, some 2,400 ...
Earth Sciences
Apr 7, 2022
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