Individual Event Report
| Event #22 - Summary, and parameter estimates with source IDs |
| Explosion Account originates in Holden (1887); and is repeated in other catalogs: "1846-52; exact date not given. In Oregon City, on Rock Creek, near Portland, Oregon, explosions like those of a cannon were heard for nearly the whole of a day. At first these were about half an hour apart; then they came nearer together, until at last they were no further apart than one minute or so; finally they died away. The water in Rock Creek did not run for three days.-Verbal account of Geo. J. Ainsworth, Esq." |
| 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 |
| 1846 |
|
|
|
|
|
|
45.35 |
122.59 |
|
|
|
Oregon City |
OR |
|
|
|
|
|
| HOLD1 - 420 |
WWC - 1621 |
- |
- |
HOLD1 - 420 |
- |
Underlying Source Material
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1621 |
Woodward Clyde Consultants, unpublished |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Woodward-Clyde Consultants (1981), Historical Catalog (1841-1980) for the Pacific Northwest Region, unpublished catalog prepared for the Washington Public Power Supply System.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: 1846 45357-122598W BB 01 |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 1289 |
Berg and Baker, 1963, Oregon Earthquakes, 1841 through 1958, BSSA, V. 53, No. 1, pp. 95-108 |
1963 |
|
| Transcription: 1846-1852 - - - - Oregon City - 10 Exact date not known. Explosions like that of a cannon were heard almost a whole day and water in Rock Creek failed to run for three days. (10) |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 420 |
Holden, Edward S., 1887, List of Recorded Earthquakes in California, Lower California, Oregon, and Washington Territory |
1887 |
Printed by Direction of the Regents of the University of California, Sacremento, California, |
| Transcription: 1846-52; exact date not given. In Oregon City, on Rock Creek, near Portland, Oregon, explosions like those of a cannon were heard for nearly the whole of a day. At first these were about half an hour apart; then they came nearer together, until at last they were no further apart than one minute or so; finally they died away. The water in Rock Creek did not run for three days.-Verbal account of Geo. J. Ainsworth, Esq. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 585 |
Reid, unpub., Scrapbook and Cardfile, on microfilm at USGS in Menlo Park |
|
|
| Transcription: Oregon City 1846-52 (exact date no given) -Holden's Cat. pg 36 Explosions like those of a cannon were heard nearly all day. At firt they were half hour apart. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 559 |
Smith, W. D., 1919, Earthquakes in Oregon, BSSA, V. 9, n. 3, pp. 58-71 |
1919 |
|
| Transcription: l846-52. Exact date not given; Oregon City. In Oregon city, on Rock Creek, near Portland, explosions like those of a cannon were heard for nearly the whole of a day. At first these were about half an hour apart; then they came nearer together, until at last they were no further apart than one minute or so; finally they died away. The water in Rock Creek did not run for three days.-Verbal account of George J. Ainsworth. |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 478 |
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: 1846-52. Exact date not given. In Oregon City, on Rock Creek, near Portland, explosions like those of a cannon were heard for nearly the whole of a day. At first these were about half an hour apart; then they came nearer together, until at last they were no further apart than one minute or so; finally they died away. The water in Rock Creek did not run for three days. - Verbal account of Geo. J. Ainsworth, Esq. [It is quite possible that these sounds were not due to earthquakes.] |
| |
| Source ID |
Publication |
Pub Date |
Pub Details |
| 2401 |
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: Oregon City, Ore occurred between TA
1846 and 1852 |
| |
| | |