Individual Event Report
| Event #520 - Summary, and parameter estimates with source IDs |
| Townley and Allen state: "This was an Idaho earthquake felt in Spokane..." The BSSA gives this information: "Spokane, Washington, March 11, 1918.- At Gonzaga University, Spokane, Washington, an earthquake was recorded at 8:26 p.m. on March 11th by the university seismograph. It had an intensity of IV of the R.-F. scale, and lasted about two seconds. It was distinctly felt also at several stations along the Northern Pacific Railway, where walls swayed and doors and windows rattled. It was felt also at Trout Creek and Heron, Montana, and at Cabinet, Clarks Fork, Sant [sic] Point, and Rathdrum, Idaho. - A.M. Jung, Seis. Observer" 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 |
| 1918 |
3 |
11 |
8 |
26 |
P |
P |
47.60 |
117.00 |
|
|
|
N.E. |
WA |
V |
|
16000.00 |
|
mi2 |
| TAWA - 1157 |
WWC - 1827 |
- |
- |
REID1 - 780 |
REID1 - 780 |
Underlying Source Material
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1157 |
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: 1918 March 11. 8:26 p.m. Northeastern Washington. This was an Idaho earthquake felt in Spokane and several other places in Washington.-BSSA, 8, 40. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1827 |
Woodward Clyde Consultants, unpublished |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Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 191803120326000 47600-117000 V NO 5 01 |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 2177 |
Bulletin of the Seismological Society of America |
1918 |
V. 8, p. 40 |
| Transcription: Spokane, Washington, March 11, 1918.- At Gonzaga University, Spokane, Washington, an earthquake was recorded at 8:26 p.m. on March 11th by the university seismograph. It had an intensity of IV of the R.-F. scale, and lasted about two seconds. It was distinctly felt also at several stations along the Northern Pacific Railway, where walls swayed and doors and windows rattled. It was felt also at Trout Creek and Heron, Montana, and at Cabinet, Clarks Fork, Sant Point, and Rathdrum, Idaho. - A.M. Jung, Seis. Observer |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 780 |
Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park |
|
|
| Transcription: NE WA PST (7?) 8:26 pm 11 Mar, 1918 GMT 4h 26m 12 Mar, 1918 V duration 2 seconds -A.M. Jung, BSSA, VIII, 40 Felt over NE WA, N Idaho & NW Montana: probably shaken area was 16,000 sq mi. Origin not fixed. Time PST or MST. Get information. Recorded at Spokane. |
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