     |
|
SUMMARY OF BORAH PEAK 1983 EARTHQUAKE
For each earthquake there is a detailed listing of the
information available: newspaper articles,
headlines, photographs, individual accounts, and excerpts from
publications. The category of information that each source
provides is also listed.
Name: Borah Peak, ID Local Date (Time): Oct 28, 1983 (8:06 a.m.) GMT Date (Time): Oct 28, 1983 (1406) Location: ~ 15 mi. W of Mackay, ID Epicenter: 43 58.20 113 55.20 [6] Magnitude: 7.3 [6] Intensity: IX [7] Felt Area: 855,000 Sq. Kilometers [7]Numbers in brackets indicate source of information. See Reference ListSignificant aftershocks: Name: Borah Peak, ID Local Date (Time): Oct 28, 1983 (1:51 p.m.) GMT Date (Time): Oct 28, 1983 (1951) Location: ~ 20 mi. WNW of Mackay, ID Epicenter: 44 03.00 113 55.20 [6] Magnitude: 5.8 [6] Intensity: Felt [7] Felt Area: not available Name: Borah Peak, ID Local Date (Time): Oct 29, 1983 (5:29 p.m.) GMT Date (Time): Oct 29, 1983 (2329) Location: ~ 20 mi. SE of Challis, ID Epicenter: 44 14.40 114 03.60 [6] Magnitude: 5.8 [6] Intensity: Felt [7] Felt Area: not available Name: Borah Peak, ID Local Date (Time): Oct 29, 1983 (5:39 p.m.) GMT Date (Time): Oct 29, 1983 (2339) Location: ~ 20 mi. SSE of Challis, ID Epicenter: 44 14.40 114 06.60 [6] Magnitude: 5.5 [6] Intensity: Felt [7] Felt Area: not available Name: Borah Peak, ID Local Date (Time): Aug 22, 1984 (3:46 a.m.) GMT Date (Time): Aug 22, 1984 (0946 Location: ~ 10 mi. SE of Challis, ID Epicenter: 44 22.20 114 03.60 [6] Magnitude: 5.8 [6] Intensity: V [7] Felt Area: 173,000 Sq. Kilometers [7]
Click here for an explanation of Local/GMT Date, Epicenter/Location, Intensity, Felt Area, Foreshock/Aftershock.
Go to Top of page. Go directly to Newspaper Articles, Photographs, Individual Accounts, or Additional Sources of Information listings for this earthquake.
Return to Personalizing the Earthquake Threat.
Return to Earthquake Data Table.
Newspaper Accounts
Click on the newspaper titles to view articles.
Click here for an explanation of Info Categories.
Challis Messenger (ID) Newspaper Articles Deseret News (Salt Lake City, UT) Newspaper Articles Post Register (Idaho Falls, ID) Newspaper Articles Salt Lake Tribune (Salt Lake City, UT) Newspaper Articles
Go to Top of page. Go directly to Photographs, Individual
Accounts, or Additional Sources of Information
listings for this earthquake.
Return to Personalizing the Earthquake Threat.
Return to Earthquake Data Table.
Photographs Available
Click on Description to view photograph.
Click here for an explanation of the Info Category.
Description: Lost Springs fault scarp, ancient and new; Borah Peak
Source: A. J. Crone, U.S. Geological Survey
Info Categories: G
Description: Lost Springs fault scarp bisecting drainage ditch; central Idaho
Source: Walter Arabasz, University of Utah Seismograph Stations
Info Categories: G
Description: Lost River Fault Scarp crossing Doublespring Pass Road; central Idaho
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: G
Description: Elk hunter walking out of earthquake area; Heard Lake, ID
Source: Bill Barnes
Info Categories: I, L, P
Description: Boulder adjacent to front porch of home; Challis, ID
Source: The Standard-Examiner (Ogden, UT)
Info Categories: G, P
Description: Bridge (foreground) damaged by falling boulder; Challis, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: G, L
Description: Trail of boulder evident on ground; Challis, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: G, P
Description: Boulder and car it hit; Challis, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: G
Description: Rock fall near homes; Challis, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: G
Description: Rock fall in kitchen; Challis, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: B, G
Description: Flooded farmland; Custer County, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: G
Description: Dead fish due to dried warm springs; Custer County, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: G, I
Description: Sink-hole from artesian spring near Chilly Butte, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: G
Description: Concrete box that rose in soil due to liquefaction. Ranch near Big Lost River, South-central Idaho
Source: Dr. T. L. Youd, Civil Engineering Dept., Brigham Young University
Info Categories: B, G
Description: Sand boil deposit by ranch house near Big Lost River. South-central Idaho
Source: Dr. T. L. Youd, Civil Engineering Dept., Brigham Young Univeristy
Info Categories: B, G
Description: Fissures near Highway 93; Custer County, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: G
Description: Old rock building; Challis, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: B
Description: Old high school; Challis, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: B
Description: IGA Store awning on sidewalk; Mackay, ID
Source: The Standard-Examiner (Ogden, UT)
Info Categories: B
Description: Custer Hotel and adjacent home; Mackay, ID
Source: The Deseret News (Salt Lake City, UT)
Info Categories: B
Description: Main St. building damage in Mackay, ID
Source: The Deseret News (Salt Lake City, UT)
Info Categories: B
Description: Chimney on barber shop; Mackay, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc., Salt Lake City, UT
Info Categories: B
Description: Car damaged by falling bricks; Mackay, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: B
Description: City Hall interior damage; Mackay, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: B
Description: Mess in grocery store; Mackay, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: N, I
Description: People helping people (free coffee); Mackay, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: A
Description: Bulldozer moving debris on Main St.; Mackay, ID
Source: William D. Richins; Idaho Falls, ID
Info Categories: B, R
Description: Clayton School located at base of cliff; South-central Idaho
Source: The Challis Messenger (Challis, ID)
Info Categories: B, G
Description: Media invade town; Challis, ID
Source: The Challis Messenger (Challis, ID)
Info Categories: I
Description: Jack O Lantern face on boulder. Challis, ID
Source: Earle S. Eppich, Reaveley Engineers & Assoc.,
Info Categories: G, H, P
Go to Top of page. Go directly to Newspaper
Articles, Individual
Accounts, or Additional
Sources of Information listings for this
earthquake.
Return to Personalizing the Earthquake Threat.
Return to Earthquake Data Table.
Individual Accounts Available
Click on Description to view account.
Click here for an explanation of the Info Category.
Description: Family living on ranch near Mackay, Idaho
Author: Haroldsen, Sara Beth
Info Categories: E, N, P, R
Description: Hunter near Heard Lake in Idaho
Author: Barnes, Bill
Info Categories: E, G, P
Description: Elk hunters who saw fault scarp form
Author: Stein, R and, Bucknam, R.
Info Categories: E, G, P
Go to Top of page. Go directly to Newspaper Articles, Photographs, or Additional
Sources of Information listings for this earthquake.
Return to Personalizing the Earthquake Threat.
Return to Earthquake Data Table.
Additional Sources of Information Available
Title: Earthquakes in Idaho
Publication: Seismicity of the United States, 1568-1989 (Revised)
Info Categories: B, G, P
Title: Quake Replay in the Great Basin
Publication: Natural History Magazine, June 1986
Info Categories: E, G, P, S
Title: REFERENCE CARDS (EERI Journal article summaries)
Summary - L.D. Reaveley Isoseismal Map and Intensity
Distribution - C.W. Stover Societal Response- J.M. Nigg
Surface Faulting and Other Phenomena - C.L.Taylor,
R.M. Cline, W.D. Page, D.P. Schwartz
Strong Ground Motion - S.M. Jackson, J. Boatwright
Liquefaction - T.L. Youd, E.L. Harp, D.K. Keefer, R.C. Wilson
Landslides - D.K. Keefer, R.C. Wilson, E.L. Harp, E.W. Lips
Hydrologic Effects - S.H. Wood, C. Wurts, T.Lane,
N. Ballenger, M. Shaleen, D. Totorica
Structural Control of Groundwater Eruptions and Sediment
Boil Formation in the Chilly Buttes Area - C.J. Waag, T.G. Lane
Buildings and Schools - S.A. Adham, B. Ballif
Industrial Facilities and Equipment at INEL -
R.C. Guenzler, V.W. Gorman
Performance of Unreinforced Masonry Buildings in
Mackay, Idaho - R. Reitherman
Lifelines - E.S. Eppich
Publication: Earthquake Spectra; Vol.2, No.1; November 1985
Info Categories: B, E, G, I, L, P
Go to Top of page. Go directly to
Newspaper Articles,
Photographs, or
Individual Accounts
listings for this earthquake.
Return to Personalizing the Earthquake Threat.
Return to Earthquake Data Table.
|
Salt Lake City, Utah 84112-0111 «» Phone 801-581-6274 «» Fax 801-585-5585 E-mail UUSS! |
|