2023年11月3日 · We know that Mount St. Helens is the volcano in the Cascades most likely to erupt again in our lifetimes. It is likely that the types, frequencies, and magnitudes of past …

2023年5月19日 · During 2022, U.S. Army Corps of Engineers contracted the acquisitions of airborne lidar surveys of Mount St. Helens crater and two primary drainages–upper North Fork …

2023年11月16日 · During 2022, U.S. Army Corps of Engineers contracted the acquisitions of airborne lidar surveys of Mount St. Helens crater and two... The lateral blast, debris avalanche, …

Event Summary t 8:32 Sunday morning, May 18, 1980, Mount St. Helens erupted in the deadliest and most economically destructive volcanic event in the history of the United States. 230 …

Mount St. Helens (known as Lawetlat'la to the local Cowlitz people, and Loowit or Louwala-Clough to the Klickitat) is an active stratovolcano located in Skamania County, Washington, [1] …

Establish the Mount St. Helens Institute as the leading source of outdoor and educational opportunities at Mount St. Helens. Ensure inclusive, high-quality science, education, and …

2022年9月19日 · For many, especially those living in the Pacific Northwest, climbing Mount St. Helens is a great way to dip your toes into mountaineering. Prior to the 1980 eruption of Mount …

2022年2月13日 · There is something quite unique about slowly gliding through a dark, snowy, silent forest just by the light of your headlamp. The first landmark is when you emerge from the …

2022年11月30日 · Washington state’s Mount St. Helens erupted catastrophically in 1980, killing 57 people. That eruption sent ash soaring over 80,000 feet and raining down as far as 250 …

2023年10月30日 · Mount St. Helens remains at normal, background levels of activity. Current Observations. At Mount St. Helens, over 400 earthquakes have been located by the Pacific …