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Valley of the Moon Park

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Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Valley of the Moon Park
Phone:
+1 907-343-7529

Hours:
Sunday6am - 11pm
Monday6am - 11pm
Tuesday6am - 11pm
Wednesday6am - 11pm
Thursday6am - 11pm
Friday6am - 11pm
Saturday6am - 11pm


The Valley of Ten Thousand Smokes is a valley within Katmai National Park and Preserve in Alaska which is filled with ash flow from the eruption of Novarupta on June 6–8, 1912. Following the eruption, thousands of fumaroles vented steam from the ash. Robert F. Griggs, who explored the volcano's aftermath for the National Geographic Society in 1916, gave the valley its name, saying that the whole valley as far as the eye could reach was full of hundreds, no thousands—literally, tens of thousands—of smokes curling up from its fissured floor. Prior to the eruption, the area now called the Valley of Ten Thousand Smokes was an unremarkable and unnamed portion of the Ukak River valley. Although never permanently inhabited by humans, it served as a pass for the Alutiiq people, as well as animals such as grizzly bears.The 1912 eruption was the largest eruption by volume in the 20th century, erupting a magma volume of about 13 cubic kilometers . As many as 14 major earthquakes between M s {displaystyle M_{text{s}}} 6 to 7, and over 100 earthquakes greater than M s {displaystyle M_{text{s}}} 5, resulted from the collapse of the caldera at Mount Katmai and movement within the magmatic plumbing system. The ash-filled valley covers a 40-square-mile area. The ash can be up to 700 feet deep. In places deep canyons have been cut by the River Lethe, allowing observers to see the ash flow strata. Since the ash has cooled, most of the fumaroles are now extinct and despite its name the valley is no longer filled with 'smoke' . Vegetation still does not grow in the valley. The signs of volcanic activity are still visible on nearby hills. Katmai's most recent eruption was in 1927, but there have been non-eruptive events as recent as 2003. The Alaska Volcano Observatory still monitors Katmai's activity as part of the Katmai Cluster, where there are 5 active stratovolcanos within 15 kilometers of Katmai. Visitors to the valley most commonly arrive via bus along the 20-mile road from Brooks Camp, which is the only road in Katmai Park. The valley is a source of creative exploration by photographers and naturalists.
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