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These thousands of shattered trees formed a floating log raft on the lake surface that covered about 40% of the lake's surface after the eruption. [2] [12] After the eruption, Spirit Lake contained highly toxic water with volcanic gases seeping up from the lake bed. A month after the eruption, the bacteria-carrying water was devoid of oxygen ...
The North Fork Toutle River is a tributary of the Toutle River in southwestern Washington in the United States. The river has its headwaters near Spirit Lake, on the north side of Mount St. Helens, and flows 39 miles (63 km) to the Toutle River, [3] about 17 miles (27 km) upstream of its confluence with the Cowlitz River. [4]
On May 14, 2023, a mudslide and debris flow, given the moniker "South Coldwater Slide" by the U.S. Forest Service (USFS), [1] destroyed the 85-foot (26 m) Spirit Lake Outlet Bridge and severed SR 504 northeast of Johnston Ridge Observatory at milepost 49. Twelve people were airlifted from the area beyond the mudslide; the observatory's seasonal ...
On the south shore of Spirit Lake, a lake about 6 miles north of the volcano, local Harry Truman was the only resident of the lakeside who refused to leave his home. "I think the whole damn thing ...
Harry R. Truman (October 1896 – May 18, 1980) was an American businessman, bootlegger, and prospector.He lived near Mount St. Helens, an active volcano in the state of Washington, and was the owner and caretaker of Mount St. Helens Lodge at Spirit Lake near the base of the mountain.
State Route 504 (SR 504, designated as the Spirit Lake Memorial Highway) is a state highway in southwestern Washington state in the United States. It travels 52 miles (84 km) along the North Fork Toutle River to the Mount St. Helens area, serving as the main access to the Mount St. Helens National Volcanic Monument .
The debris was transported along with the water as it returned to its basin, raising the surface level of Spirit Lake by about 200 ft (61 m). [9] Four decades after the eruption, floating log mats persist on Spirit Lake and nearby St. Helens Lake, changing position with the wind.
The megatsunami in Spirit Lake, Washington, USA that was caused by the 1980 eruption of Mount St. Helens reached 260 metres (853 ft), while the tallest megatsunami ever recorded (Lituya Bay in 1958) reached a run-up height of 520 metres (1,720 ft). [15]