Αποτελέσματα Αναζήτησης
16 Μαρ 2023 · A plume of fine bubbles rises through the waves as Jason starts its mile-long descent to the Axial Seamount, a deep-sea volcano that’s erupted three times in the past 25 years. In this video ...
2 ημέρες πριν · All the rhyolites that erupted from South Sister during its earlier period of activity came out over a span of 15,000 years, rather than 27,000 years, the new analysis found. The oldest eruption ...
Mount Hood is considered the Oregon volcano most likely to erupt. [8] The odds of an eruption in the next 30 years are estimated at between 3 and 7%, so the U.S. Geological Survey (USGS) characterizes it as "potentially active", but the mountain is informally considered dormant. [9]
6 Νοε 2023 · Mount Hood, which has been active for at least 500,000 years, occupies a long-lived focus of volcanic activity that has produced ancestral Hood-like volcanoes for the past 1.5 million years. Much of the Mount Hood edifice is formed of lava flows, but eruptive activity during the past 30,000 years has been dominated by growth and collapse of ...
4 Νοε 2023 · A significant eruption of Mount Hood, such as an eruption of lava domes that collapse to form pyroclastic flows and lahars, would displace several thousand residents and cause billion-dollar-scale damage to infrastructure and buildings.
18 Δεκ 2019 · Scientists are forecasting that the Pacific Northwest’s most active volcano will erupt sometime between 2020 and 2024. The volcano isn’t one you’ll see driving along the Cascade Range,...
15 Δεκ 2016 · Underwater Volcano Offers Rare Look at Eruption in Real Time. Axial Seamount off the Oregon coast gave geologists the show of a lifetime thanks to careful predictions and a network of sunken...
