Individual Event Report
Event #477 - Summary, and parameter estimates with source IDs |
Weather observer H.E. Thompson reported this as a RF Intensity V at Tacoma, and intensity III at Sumner, and remarked that it was felt at several places along the head of Puget Sound. The BSSA mentions that it was felt at Dupont and in the Puyallup Valley, and was recorded on the seismograph at the University of Washington. Bradford, and Reid's notes, say that it was felt at Seattle. No newspapers have been researched. |
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 |
4 |
22 |
18 |
35 |
|
G |
47.20 |
122.40 |
|
|
|
Tacoma |
WA |
V |
RF |
|
|
|
MWR - 2217 |
WWC - 1798 |
- |
- |
MWR - 2218 |
- |
Underlying Source Material
Source ID |
Publication |
Pub Date |
Pub Details |
2217 |
Monthly Weather Review |
1915 |
V. 43, p. 190 |
Transcription: Date:April 22, 1915 Time (Greenwich Civil):18:35 Location:Sumner, Washington Latitude (deg., min.):47 12 Longitude (deg.,min.):122 13 RF Intensity: 3 Number of Shocks: 1 Duration (sec.): 3 Sounds:Rumbling Remarks:Felt at several places along head of Puget Sound Observer:H. E. Thompson, U.S. Weather Service |
|
Source ID |
Publication |
Pub Date |
Pub Details |
307 |
Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153 |
1935 |
|
Transcription: 1915 April 22, 10:35 a.m.; Seattle, Tacoma, South Tacoma, and DuPont. |
|
Source ID |
Publication |
Pub Date |
Pub Details |
128 |
Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476 |
1967 |
|
Transcription: 128 1915 Apr. 22 18:34 S. Tacoma-Puyallup 4 felt |
|
Source ID |
Publication |
Pub Date |
Pub Details |
1798 |
Woodward Clyde Consultants, unpublished |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Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 191504221834000 47200-122400W R 01 |
|
Source ID |
Publication |
Pub Date |
Pub Details |
2218 |
Monthly Weather Review |
1915 |
V. 43, p. 190 |
Transcription: Date:April 22, 1915 Time (Greenwich Civil):18:35 Location:Tacoma, Wash. Latitude (deg., min.):47 16 Longitude (deg.,min.):122 23 RF Intensity: 5 Number of Shocks: 1 Duration (sec.): 8 Sounds:Rumbling Remarks: Felt at several places along head of Puget Sound Observer: H. E. Thompson, U.S. Weather Bureau |
|
Source ID |
Publication |
Pub Date |
Pub Details |
2454 |
Washington Public Power Supply System, "WPPSS Nuclear Project No. 2, Final Safety Analysis Report, Volume 1, Amendment 18" September 1981 |
1981 |
Table 2.5-6 |
Transcription: 1915 Apr 22 Puyallup, Wash. R |
|
Source ID |
Publication |
Pub Date |
Pub Details |
2174 |
Bulletin of the Seismological Society of America |
1915 |
V. 5., p. 109 |
Transcription: Tacoma and Seattle, Washington. - A shock was felt at Tacoma, Washington, at 10:37 a.m., April 22, 1915. It was also felt at South Tacoma and at Dupont, fourteen miles to the west, and in the Puyallup valley. It was recorded by the seismograph of the University of Washington at 10:34 |
|
Source ID |
Publication |
Pub Date |
Pub Details |
1140 |
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 April 22. 10:34 a.m. Tacoma, South Tacoma, Puyallup, and Sumner, Pierce Co. Time taken from seismogram at Seattle.-BSSA, 5, 109; MWR, 43, 190. |
|
Source ID |
Publication |
Pub Date |
Pub Details |
763 |
Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park |
|
|
Transcription: Tacoma & Puyallup Valley 47 degrees 16' N; 122 degrees 23' W PST 10:34 am 22 Apr, 1915 GMT 18h 34m V 5 seconds duration -SB IV pg 73; Bull SSA V pg 109; MWR Apr 190 Felt also at Dupont, 14 mi W of Tacoma. Recorded at Seattle at 10:34. |
|
Source ID |
Publication |
Pub Date |
Pub Details |
7112 |
Land of trees: Scannings from Quinault country, the Grays Harbor region, and beyond, 1774-1997 by Larry J Workman, Quinault Indian Nation ISBN: 0940359014 |
1997 |
|
Transcription: EARTHQUAKE EVENTS LISTED IN Workman, Land of Trees (1997)
SOURCE: Workman, Larry J. Land of Trees: Scannings From Quinault Country, the Grays Harbor Region, and Beyond 1774-1997 (Taholah, WA: The Quinault Indian Nation, 1997) Newspapers that were used for most of the entries include Daily World (Aberdeen), Montesano Vidette, Weekly Puget Sound Courier (Olympia), Olympic [sic?] Transcript (Olympia), Washington Standard (Olympia), North Coast News (Ocean Shores) * November 23, 1827 Slight shock of earthquake felt at Fort Langley October 1842 St. Helens enters a violent eruptive phase that will continue intermittently for fifteen years. November 23, 1842 Ash from St. Helens falls to ½ inch deep at the Dalles. February 16, 1843 Peter H. Burnett (later governor of California) reports, The mountain (St. Helens) burning magnificently. 1854 George Davidson, a scientist, reports vast rolling masses of dense smoke, on Mt. Baker. December 14, 1872 Strong earthquake felt on Puget Sound. p 35 October 19, 1873 Clouds of smoke pour from the highest peak of Mount Rainier. (Last for nearly a week). p 35 March 27, 1884 Quite an earthquake shock in Hoquiam was noticed about 10:00 p.m. lasting 3 seconds; no damage. p 38 October 9, 1885 Earthquake in Olympia. p 40 September 3, 1886 Greatest earthquake to hit the United States centers on Charleston, South Carolina. p 41 April 22, 1887 An earthquake shock, heavy enough in places to shake dishes from shelves, was felt in several towns in this Territory. (Note: Index refers to this as an earthquake at Grays Harbor) p 42 May 7, 1887 Something like a tidal-wave struck the Quinaielt agency at midnight. Some of the Indian houses were waist deep in water, the inmates yelling in terror as they were submerged during sleep on their low sleeping places. The water receded as rapidly as it came, carrying everything portable in its exit. p 43 November 30, 1891 Earthquake shock slight on [Grays? gwl] Harbor, but heaviest ever experienced in some Sound cities. p 49 April 18, 1906 Bay City (San Francisco) ravage by earthquake at 5:10 a.m. and the fires that followed (the rebuilding of the city greatly stimulated logging on Grays Harbor). p 66 January 11, 1909 Grays Harbor Earthquake, 4:03 p.m. p 68 April 16, 1910 Halleys Comet visible to the naked eye. p 70 October 11, 1911 Earthquake in Southern California kills 700. p 71 September 5, 1914 Earthquake in Olympia felt over 1,000 sq. miles. p 74 January 13, 1915 50,000 die in Italian earthquake. p 74 April 22, 1915 Tacoma rocked by an earthquake. p 74 December 24, 1920 A small tidal wave sweeps beaches, washes 12 Sunset Beach cottages from their foundations. p 79 September 3, 1923 Japanese earthquake kills 90,000. p 82 December 4, 1926 Quake shakes Northwest. p 85 July 16, 1928 Giant meteor lights up night sky and [Grays? gwl] Harborites hear rumble. p 87 March 12, 1929 Brilliant light flashes in the sky. p 87 (Note: Index references this as Meteor - Harbor) May 4, 1929 Report of vast earth upheaval on the Queets near M. M. Kelly Ranch. p 88 December 31, 1931 Tremor shakes up Puget Sound and Hood Canal. p 91 |
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