Individual Event Report
| Event #591 - Summary, and parameter estimates with source IDs |
| Listed in catalogs, this event is based solely on a single MWR report from the observer in Silverton, who reported a double shock at this time. 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 |
| 1923 |
7 |
14 |
3 |
30 |
P |
P |
48.10 |
121.80 |
|
|
|
Silverton |
WA |
IV |
RF |
|
|
|
| TAWA - 1175 |
WWC - 1865 |
- |
- |
TAWA - 1175 |
- |
Underlying Source Material
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1865 |
Woodward Clyde Consultants, unpublished |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Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 192307142330000 48100-121800W IV R 4 01 |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 329 |
Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153 |
1935 |
|
| Transcription: 1923 July 14, 3:3O p.m.; IV; Silverton. 4:10 p.m.; Arlington. 5:45 p.m.; IV; Arlington; rumbling. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1175 |
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: 1923 July 14. 3:30 p.m., 4:10 pm., 5:45 p.m. IV. Snohomish Co. The first shock reported from Silverton as double, IV, duration thirty seconds; may correspond to first shock felt at Arlington, 4:10 p.m., also reported as double, IV, duration several seconds; felt by many. The shock at 5 :45 p.m. was reported at Arlington only.-MWR, 51, 378. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 2312 |
Monthly Weather Review |
1923 |
V. 51, p. 378 |
Transcription: Date:July 14, 1923
Time (Greenwich Civil): 23:30
Location: Silverton, Wash.
Latitude (deg., min.): 48 05
Longitude (deg.,min.): 121 40
RF Intensity: 4
Number of Shocks: 2
Duration (sec.): 30ca
Sounds: Rumbling
Remarks:
Observer:H. S. Tusler |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 170 |
Rasmussen, Norman, 1967, Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476 |
1967 |
|
| Transcription: 170 1923 July 14-15 See Remarks Silverton-Arlington IV 4 Three shocks, all IV; 23:30,00:10,01:45 |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 794 |
Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park |
|
|
| Transcription: Silverton 48 degrees 05' N; 121 degrees 40' W PST 3:30 pm 14 July, 1923 GMT 23h 30m IV duration 30 seconds -MWR |
| |
| | |