Individual Event Report
 
| Event #552 - Summary, and parameter estimates with source IDs                                             | 
 
| All catalog entries stem from one report from the weather observer at Portland, Oregon. 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 | 
 
| 1921  | 
3  | 
4  | 
12  | 
  | 
  | 
P  | 
45.55  | 
122.60  | 
  | 
  | 
  | 
Portland  | 
OR  | 
III  | 
RF  | 
  | 
  | 
  | 
 
| TA-OR - 543 | 
WWC - 1849 | 
 -  | 
 -  | 
TA-OR - 543 | 
 -  |  
 
 Underlying Source Material
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 635  | 
Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park  | 
  | 
  | 
 
| Transcription: Portland PST  12 midday     4 March, 1921 GMT   20h  0m  III several shocks MWR | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 2277  | 
Monthly Weather Review  | 
1921  | 
V. 49, p. 177  | 
 
Transcription: Date: March 4, 1921 Time (Greenwich Civil):  20:00 Location:  Portland, Oregon Latitude (deg., min.):  45 30 Longitude (deg.,min.):  122 40 RF Intensity:  2-3 Number of Shocks: Several Duration (sec.):   Sounds: None Remarks:Felt by several Observer: | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 158  | 
Rasmussen,  Norman, 1967,  Washington state earthquakes 1840 through 1965, BSSA V. 57, No. 3, pp. 463-476  | 
1967  | 
  | 
 
| Transcription: 158     1921   Mar. 4     20:00          Portland, Ore.                     3           several shocks felt | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 1362  | 
Berg and Baker, 1963,  Oregon Earthquakes, 1841 through 1958, BSSA, V. 53, No. 1, pp. 95-108  | 
1963  | 
  | 
 
| Transcription: 1921   Mar 4   20:00:--   Mar 4   12 Noon (PST)   Portland   II*-III*   10   Several shocks. (10) | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 398  | 
Byerly, Perry, 1952, Pacific Coast Earthquakes, Condon Lecture, pp. 33-38  | 
1952  | 
U.W. Library, N979 B991p, Special Collections)  | 
 
| Transcription: 1921, March 4 Portland. Several shocks; felt by several people. | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 1849  | 
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: 192103 42000000 45550-122600W III                BB 3 01 | 
 
|   | 
 
| Source ID | 
Publication | 
Pub Date | 
Pub Details | 
 
| 543  | 
Townley,  S.D. and M.W. Allen, 1939, Descriptive Catalog of earthquakes of the Pacific Coast of the United States 1769 to 1928, Chapter II, Earthquakes in Oregon--1846-1928, BSSA, V. 29, No. 1, pp. 253-258.  | 
1939  | 
  | 
 
| Transcription: 1921 March 4. 12 noon. II to III. Portland. Several shocks; felt by several people.MWR, 49,177. | 
 
|   | 
 
 
 
 
 
 
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