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Thursday, August 6, 2020 | History

3 edition of Aftershocks of the Borah Peak, Idaho, earthquake of 28 October 1983 found in the catalog.

Aftershocks of the Borah Peak, Idaho, earthquake of 28 October 1983

Susan K Goter

Aftershocks of the Borah Peak, Idaho, earthquake of 28 October 1983

catalog of locations and single-event focal mechanisms

by Susan K Goter

  • 194 Want to read
  • 39 Currently reading

Published by U.S. Dept. of the Interior, U.S Geological Survey in [Reston, Va.?] .
Written in English

    Subjects:
  • Earthquakes -- Idaho -- Borah Peak

  • Edition Notes

    Statementby Susan K. Goter, W.D. Richins, and C.J. Langer
    SeriesOpen-file report -- 86-277, U.S. Geological Survey open-file report -- 86-277
    ContributionsRichins, W. D, Langer, C. J, Geological Survey (U.S.)
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL13610418M

    Idaho Geologic Survey GeoNote 05 BORAH PEAK EARTHQUAKE. The Borah Peak earthquake was the largest earthquake ever recorded in Idaho. At magnitude it was the strongest earthquake in the lower 48 states since the magnitude event at Hebgen Lake, Montana, in Moderate earthquakes are not unusual in Idaho. Close mobile search navigation. Article navigation. Vol Number 3.

    The M5 = Borah Peak, Idaho, earthquake of Octo was the largest to occur in the Basin and Range since the earthquake at Hebgen Lake, Montana. The earthquake produced a northwest-trending, km-long zone of surface faulting along the Lost River fault (Crone and others, ), a range-bounding normal fault in east-central. The two largest historical earthquakes in the northern Rocky Mountains occurred in the region on Aug at Hebgen Lake (magnitude ) and on Octo at Borah Peak (magnitude ). Both were accompanied by surface rupture and extensive earthquake aftershocks.

      Earthquakes continue to rattle Idaho. More than aftershocks have hit southeastern Idaho since the magnitude quake late last week. There were no reports of injuries or damage. This was the site of the M Borah Peak earthquake (Octo ), which was followed by five other M 5+ events over the following year, and most recently a M earthquake in January , about 60 km to the east of the event. The March 31 earthquake was reported to be felt in six different states.


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Aftershocks of the Borah Peak, Idaho, earthquake of 28 October 1983 by Susan K Goter Download PDF EPUB FB2

The 28 October Borah Peak, Idaho, earthquake (M S = ) occurred in an area of low historic seismicity within east-central Idaho along a segment of the Lost River fault active during the Holocene.A dense network of portable short-period seismographs (up to 45 stations, station spacings of 2 Idaho 10 km) was installed beginning several hours after the main shock and operated for 22 by:   This was the site of the M Borah Peak earthquake (Octo ), which was followed by five other M 5+ events over the following year, and most recently a M earthquake in Januaryabout 60 km to the east of today’s event.

The Ma event is the largest in Idaho since the Borah Peak earthquake. The Devil Canyon sequence was a late aftershock sequence of the 28 October Ms Borah Peak, Idaho, earthquake.

The sequence began on 22 August with the ML Devil Canyon earthquake, which nucleated at a depth of ± km between the surface traces of two normal faults, the Challis segment of the Lost River fault and the. Buy Aftershocks of the Borah Peak, Idaho, earthquake of 28 October Catalog of locations and single-event focal mechanisms (Open-file report / United of the Interior, U.S.

Aftershocks of the Borah Peak Survey) by Susan K Goter (ISBN:) from Amazon's Book Store. Everyday Author: Susan K Goter. Stover, C.W. (), "Preliminary isoseismal map and intensity distribution for the Borah Peak, Idaho, earthquake of Octo ", Open-File Report, doi/ofr; Suzette M.

Jackson, John Boatwright; Strong ground motion in the Borah Peak, Idaho, earthquake and its aftershocks. Only the Borah Peak earthquake, which hit near Challis on Oct. 28,was stronger ( magnitude). Here’s a brief history of seismic events in Idaho.

Early Idaho saw several earthquakes. This was the site of the M Borah Peak earthquake (Octo ), which killed 2 in Challis, and resulted in over $12M in damage in the Challis-Mackay area, and which was followed by five other M 5+ events over the following year, and most recently a M earthquake in Januaryabout 60 km to the east of today’s event.

Borah Peak Earthquake. At a.m. (MST) on Friday Octo a magnitude earthquake ( on the Richter scale) rocked the towns of Challis and Mackay for 30 to 60 seconds. The quake originated along the Lost River Fault below Idaho’s tallest mountain, Borah Peak, at a depth of nearly 10 miles. Tuesday’s quake might be the second-strongest earthquake ever recorded in the state.

The Borah Peak Earthquake on Octowas recorded as the strongest at a magnitude. Aftershocks of the Borah Peak, Idaho, earthquake of 28 October ; catalog of locations and single-event focal mechanisms Open-File Report By: S.K. Goter, W.D.

Richins, and C.J. Langer. Borah Peak earthquake. Borah Peak earthquake; Borah Peak with fault scarp seen near base of tan hill in foreground. Challis. Boise. Modeling of long-period body waves of the M_S = Borah Peak, Idaho, earthquake suggests that the earthquake was a simple rupture that nucleated at a depth of about 16 km and propagated unilaterally northwestward toward the surface.

The seismic moment tensor obtained from the inversion of teleseismic body wave amplitude data agrees well with the fault plane solution obtained from short. The last major earthquake in Idaho was the magnitude Octo at a.m.

Borah Peak quake–36 years and five months and three days earlier, total days between the Idaho quake and the Idaho quake. Two children were killed in the quake in by falling masonry while walking to school.

Get this from a library. Aftershocks of the Borah Peak, Idaho, earthquake of 28 October catalog of locations and single-event focal mechanisms. [Susan K Goter; W D Richins; C J Langer; Geological Survey (U.S.)]. Aftershocks of the New Madrid, Missouri, earthquakes are still occurring today.

True. On 28 Octoberthe Lost River fault broke free for a magnitude MS event, moving Borah Peak, Idaho's highest point, m (1 foot) lower.

False. Updated calculations indicate that the Borah Peak earthquake was a magnitude on the Richter scale. The epicenter was located about 19 miles northwest of Mackay, at the south margin of the Thousand Springs Valley just west of foot Borah Peak, at latitude degrees N., longitude degrees W.

The state’s largest and most damaging quake struck the morning of Oct. 28, A magnitude earthquake with an epicenter 10 miles below Borah Peak rolled the towns of Challis and Mackay for. The scarp formed as result of a M earthquake that occurred at am on Octo The quake was named the “Borah Peak Earthquake” because it happened near Borah Peak (12, ft.), the highest mountain in Idaho - the one on the left in this photograph.

We have inverted the teleseismic P waveforms recorded by stations of the Global Digital Seismograph Network for the 8 July North Palm Springs, California, the 28 October Borah Peak, Idaho, and the 19 September Michoacan, Mexico, earthquakes to recover the distribution of slip on each of the faults using a point-by-point inversion method with smoothing and positivity constraints.

NewsChannel 9 Activity Book; Jobs. Find a Job earthquake in the state of Idaho. The largest aftershock thus far was a magnitude Borah Peak earthquake in October This. A strong and shallow earthquake registered by the USGS as M hit southern Idaho at UTC ( LT) on Ma The agency is reporting a depth of 10 km ( miles).

This is the largest earthquake in Idaho since the Borah Peak earthquake. 25 aftershocks were registered by UTC on April 1. According to the USGS, this is the largest earthquake in Idaho since the Borah Peak earthquake in That event killed 2 in Challis, and resulted in over $12M in damage in the Challis-Mackay area.

As of 1 hour after this earthquake, two aftershocks (MM ) have been located by the USGS, both to the south of the M event.This suggestion is supported by the occurrence of the Borah Peak earthquake (MS ) and its aftershocks on the Lost River fault (Crone and others, #19).

The Borah Peak mainshock occurred at a depth of 16 km (Doser and Smith, #), well below the to km depth where the Devil Canyon aftershocks indicate that the two faults.