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Cascadia Historic Earthquake Catalog, 1793-1929
Covering Washington, Oregon and Southern British Columbia

Provided by: The Pacific Northwest Seismic Network
About the Cascadia Historic Earthquake Catalog       One-line catalog format

1793-1849 .... 1850s .... 1860s .... 1870s .... 1880s .... 1890s .... 1900s .... 1910s .... 1920s .... 1930s (not complete) .... Other Cascadia Catalogs

  
Individual Event Report
Event #479 - Summary, and parameter estimates with source IDs                                           
The underlying source for all catalog entries is a single report from the Lakeside weather observer.
TIME LOCATION MAGNITUDE MAX. INTENSITY FELT AREA
YR MO DAY HR MIN AM/PM Time
Type
LAT(N) LON(W) DEP
(km)
MAG Mag
Type
Felt
Plc.
Felt
St.
Inten-
sity
Int.
Type
Felt
Area
Felt
Area
Int.
Felt
Area
Units
1915  18  20  54    47.83  120.00        Lakeside  WA  IV  RF       
MWR - 2219 MWR - 2219 - - MWR - 2219 -

Underlying Source Material
Source ID Publication Pub Date Pub Details
1141  Townley, S. D. and M. W. Allen, 1939, Descriptive Catalog of Earthquakes of the Pacific Coast of the United States 1769-1928, Chap. III Earthquakes in Washington, 1883-1928, BSSA, V. 29, No. 1, pp. 259-268  1939   
Transcription: 1915 July 18. 12:54 p.m. IV. Lakeside, Chelan Co.-MWR, 43, 356.
 
Source ID Publication Pub Date Pub Details
130  Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  1967   
Transcription: 130 1915 July 18 20:54 Lakeside IV 4
 
Source ID Publication Pub Date Pub Details
2219  Monthly Weather Review  1915  V. 43, p. 356 
Transcription: Date:July 18, 1915
Time (Greenwich Civil): 20:54
Location:Lakeside, Wash.
Latitude (deg., min.): 47 50
Longitude (deg.,min.): 120 00
RF Intensity: 4
Number of Shocks: 1
Duration (sec.):
Sounds: Faint
Remarks:
Observer: W. H. Van Meter
 
Source ID Publication Pub Date Pub Details
2510  Washington Public Power Supply System, Preliminary
Safety Analysis Report, Ammendment 23,
WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A. 
1977  Table 2R-E1 
Transcription: 57 1915 Jul 18 20:54 Lakeside iv
TA(265)
1915 Jul 18 Lakeside iv
BR(147)
1915 Jul 18 20:54 Lakeside iv
RA(466)
 
Source ID Publication Pub Date Pub Details
308  Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153  1935   
Transcription: 1915 July 18, 12:54 p.m.; IV; Lakeside.
 
Source ID Publication Pub Date Pub Details
1800  Woodward Clyde Consultants, unpublished  1981  Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System. Copy provided to UW in 1993. 
Transcription: 191507182054000 47830-120020W IV R 4 01
 
Source ID Publication Pub Date Pub Details
2382  Washington Public Power Supply System, Preliminary
Safety Analysis Report, Ammendment 23,
WPPSS Nuclear Project No. 1, 1300 MW Nuclear Power Plant, Vol. 2A. 
1977  Table 2R E-9 
Transcription: 57 1915 Jul 18 Lakeside, Wash. iv
 
Source ID Publication Pub Date Pub Details
764  Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park     
Transcription: `Lakeside, 47 degrees 50' N., 120 degrees-121 degrees 01' W, 12:54 P. M., JULY 18, 1915 at 20h 54m, IV, one shock, MWR July 3, 1956.
 
Source ID Publication Pub Date Pub Details
7111  Weather Bureau, US Department of Agriculture. Climatological Data - Washington Section (Seattle, Weather Bureau)  1914-1917   
Transcription:
Weather Bureau, US Department of Agriculture. Climatological Data - Washington Section (Seattle, Weather Bureau) January 1914 to post December 1917 (Volume 18 #1 to Volume 21 #12)
*
January 1914 to November 1917 events taken from above source
*
Jan 5, 1914 Earthquakes - Baker very slight (Not in Ludwin & Qamar 1995) (volume 18 #1 January 1914)
Jan 7, 1914 Earthquakes - Lakeside (Not in Ludwin & Qamar 1995) (volume 18 #1 January 1914)
Jan 13, 1914 Earthquakes - Yale “distinct” (Not in Ludwin & Qamar 1995) (volume 18 #1 January 1914)
Jan 31, 1914 Earthquake - Lakeside (Not in Ludwin & Qamar 1995) (volume 18 #1 January 1914)
Feb 1, 1914 Earthquakes - Lakeside (volume 18 #2 February 1914)
Aug 8, 1914 Earthquake - Lakeside “there was a slight earthquake on the 8th at 2:30 am.” (volume 18 #8 August 1914)
Sept 5, 1914 Sumner “There was an earthquake shock on the 5th at 1:38 am. The shock was quite distinct having a twisting motion, travelling from south to southwest. The duration was from 8 to 10 seconds.” (volume 18 #9 September 1914)
Sept 23, 1914 Earthquake - Lakeside “There was a heavy earthquake shock on the 23d at 2:33 am” (Not in Ludwin & Qamar 1995) (volume 18 #9 September 1914)
July 18, 1915 Earthquakes - Lakeside (volume 19 #7 July 1914)
“August 17(?), 1915” Earthquakes - Laurier, White Bluffs [Note: publication has “?” implying event likely occurred August 18, 1915. See next entry gwl] (volume 19 #8 August 1915)
Aug 18, 1915 Earthquakes - Anacortes, Baker, Colville, Glacier, Lakeside, Omak, Winthrop, Twentyfive Mile Creek (volume 19 #8 August 1915)
Aug 18, 1915 Anacortes - “there was an earthquake shock on the 18th at about 5:58 a.m., apparently vibrating east and west.” (volume 19 #8 August 1915)
Aug 18, 1915 Baker - “there were two earthquake shocks on the 18th at 6:05 a.m., of 15 seconds duration from west to east. Buildings were severely shaken.” (volume 19 #8 August 1915)
Aug 18, 1915 Lakeside - “There was an earthquake shock on the 18th at 6:08 a.m., the vibrations being from southwest to northeast.” (volume 19 #8 August 1915)
[Aug 18, 1915] Laurier - “On the 17th(?) an earthquake shock was felt at about 6:05 a.m.” (volume 19 #8 August 1915)
Aug 18, 1915 Twentyfive Mile Creek - “On the morning of the 18th at about six o’clock, there was a rumbling and then a sharp shock and then a rumbling, coming from the northwest and passing to the southeast.” (volume 19 #8 August 1915)
[Aug 18, 1915] White Bluffs - “An earthquake occurred on the 17th(?) at about 6 a.m.” (volume 19 #8 August 1915)
Aug 18, 1915 Winthrop - “At 6:10 a.m., on the 18th, there were two earthquake shocks, the second being most severe. Crockery was rattled. The shocks were generally observed in the vicinity.” (volume 19 #8 August 1915)
Aug 27, 1916 Earthquakes - Twentyfive Mile Creek “There was a light earthquake on the 27th at 12:20 p.m. northwest to southeast.” (Not in Ludwin & Qamar 1995) (volume 20 #8 August 1915)
Jun 9, 1917 Earthquakes - La Center, Longmires Springs, Twentyfive Mile Creek (volume 21 #6 June 1917)
Jun 11, 1917 Earthquakes - Glenoma (Not in Ludwin & Qamar 1995) (volume 21 #6 June 1917)
July 24, 1917 Earthquakes - Cedar Lake (Not in Ludwin & Qamar 1995) (volume 21 #7 July 1917)
Nov 12 & 13, 1917 Earthquakes - Longmires Springs “Two earthquakes occurred; one on the 12th and severe enough to shake loose rock off the foothills.” (volume 21 #11 November 1917)
 


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