The Night the Mountain Fell: The Story of the Montana-Yellowstone EarthquakeChristopherson, Edmund
History
The Night the Mountain Fell: The Story of the Montana-Yellowstone Earthquake
Christopherson, Edmund
Earthquakes -- Montana; Earthquakes -- Yellowstone National Park
Hebgen Dam, the dam that held, straddles the upper end of Madison
Canyon. The road from here along Hebgen Lake to the Duck Creek Y has
been much improved over its pre-quake status.
The Quake Area is just as easily approachable from West Yellowstone by
taking 191 north 10 miles to the Duck Creek Y, and then driving west
along Hebgen Lake. Near the Y, the big fault runs close to the road,
through the Culligan ranch, etc.
The magnificent Raynolds Pass road, which runs south from its junction
with the Madison Canyon road three miles west of the slide, has become
an important new route to the earthquake area. The morning after the
slide, highway crews were at work on this alternate route, which for two
years substituted for the blocked, flooded, and destroyed road through
the Madison Canyon and along the north shore of Hebgen Lake while the
regular route between Ennis and West Yellowstone remained blocked. With
its exciting mountain backdrop, this new, improved road provides an
enjoyable alternative which should be included in any circle tour of
quake features.
[Illustration: Highway crews at work.]
In the spring of 1959, as he tells it, Lemuel Garrison, Superintendent
of Yellowstone National Park, looked at some bids for new housing in the
Park which included extra steel as a protection against the possibility
of earthquakes.
“Heck,” he said, “We’re not in an earthquake area.”
Today, Yellowstone’s famous earthquake has become an important addition
to its already fabulous attractions. The Park took the quake in its
stride. By June 1, 1960, in spite of road damage of $2,600,000, and
building damage of $1,700,000 resulting from the quake, Yellowstone
Park, its roads, and other facilities were ready for its normal summer
rush.
In clearing a slide which blocked the road near Firehole Falls, south of
Madison Junction, the road crew discovered one near casualty—a bear. The
bruin had evidently sought shelter in a hollow below the road shoulder,
and became trapped when the slide closed his exit. It was several days
after the quake when the crew heard the bear’s attempts to crawl out of
his artificial cave. They lowered a tree trunk, still bearing branches,
into the hole and retreated while the bear scrambled out.
Word of the quake plus the initial belief that the epicenters of seven
of the eleven major shocks were located in the famous Firehole Basin
caused widespread anxiety as to whether the tremendous forces loosed
might have interfered with nature’s intricate underground plumbing which
keeps the geysers, hot pools, and mud pots spouting, burbling and
burping.
Public-domain text, read in full here on John Shaqi.
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