Cascadia Catalog 1793-1930

	Cascadia Historic Earthquake Catalog, 1793-1929 Covering Washington, Oregon and Southern British Columbia Provided by: The Pacific Northwest Seismic Network About the Cascadia Historic Earthquake Catalog One-line catalog format 1793-1849 .... 1850s .... 1860s .... 1870s .... 1880s .... 1890s .... 1900s .... 1910s .... 1920s .... 1930s (not complete) .... Other Cascadia Catalogs

Individual Event Report

Event #175 - Summary, and parameter estimates with source IDs
Volcanic Activity This event apparently concerns a volcanic event in Idaho, possibly in August of 1881. Townley and Allen state: "188? Walla Walla, December 9, 1887.-Several years ago a loud explosion somewhere in the Salmon River Mountains shook the whole country there, and reports of a volcano breaking out and lava flowing over the mountain trails astonished the country. The San Francisco Chronicle and Portland Oregonian sent reporters there, but neither could find any trace of a volcano, though whole forests were ablaze. Joseph Baker, of Mount Idaho, an old miner, reports to the Walla Walla Statesman to-day that he has discovered the scene of the explosion, near some new diggings. The country for half a mile around is full of fissures newly cracked, but there are many others covered with moss, denoting previous explosions.-San Francisco Chronicle, December 10,1887. The place is only twenty miles from Mount Idaho.-Walla Walla Statesman, December 9, 1887. [This record should have been under Idaho. See August 8, 1881 in Idaho list.]"
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
1881	8	8										Mount Idaho	ID
TAWA - 1074							-		-	-		BRAD - 239				-

Underlying Source Material

Source ID	Publication	Pub Date	Pub Details
1074	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: 188? Walla Walla, December 9, 1887.-Several years ago a loud explosion somewhere in the Salmon River Mountains shook the whole country there, and reports of a volcano breaking out and lava flowing over the mountain trails astonished the country. The San Francisco Chronicle and Portland Oregonian sent reporters there, but neither could find any trace of a volcano, though whole forests were ablaze. Joseph Baker, of Mount Idaho, an old miner, reports to the Walla Walla Statesman to-day that he has discovered the scene of the explosion, near some new diggings. The country for half a mile around is full of fissures newly cracked, but there are many others cov- ered with moss, denoting previous explosions.-San Francisco Chronicle, December 10,1887. The place is only twenty miles from Mount Idaho.-Walla Walla Statesman, December 9, 1887. [This record should have been under Idaho. See August 8, 1881 in Idaho list.]

Source ID	Publication	Pub Date	Pub Details
1074	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: 188? Walla Walla, December 9, 1887.-Several years ago a loud explosion somewhere in the Salmon River Mountains shook the whole country there, and reports of a volcano breaking out and lava flowing over the mountain trails astonished the country. The San Francisco Chronicle and Portland Oregonian sent reporters there, but neither could find any trace of a volcano, though whole forests were ablaze. Joseph Baker, of Mount Idaho, an old miner, reports to the Walla Walla Statesman to-day that he has discovered the scene of the explosion, near some new diggings. The country for half a mile around is full of fissures newly cracked, but there are many others cov- ered with moss, denoting previous explosions.-San Francisco Chronicle, December 10,1887. The place is only twenty miles from Mount Idaho.-Walla Walla Statesman, December 9, 1887. [This record should have been under Idaho. See August 8, 1881 in Idaho list.]

Source ID	Publication	Pub Date	Pub Details
239	Bradford, Donald C., 1935, Seismic History of the Puget Sound Basin, BSSA, V. 25, No. 2, pp. 138-153	1935
Transcription: 188? December 9, 1887, Walla Walla. Several years ago a loud explosion somewhere in the Salmon River Mountains shook the whole country there, and reports of a volcano breaking out and lava flowing over the mountain trails astonished the country. The San Francisco Chronicle and the Portland Oregonian sent reporters there, but neither could find any trace of a volcano, though whole forests were ablaze. Joseph Baker, of Mount Idaho, an old miner, reports to the Walla Walla Statesman today that he has discovered the scene of the explosion, near some new diggings. The country for half a mile around is full of fissures newly cracked, but there are many others covered with moss, denoting previous explosions (San Francisco Chronicle, December 10, 1887). E.S.H. The place is only twenty miles from Mount Idaho (Walla Walla Statesman, December 9).

Source ID	Publication	Pub Date	Pub Details
477	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: 188 ? Walla Walla (W.T.). December 9, 1887.--Several years ago a loud explosion somewhere in the Salmon River Mountains shook the whole country there, and reports of a volcano breaking out and lava flowing over the mountain trails astonished the country. The San Francisco Chronicle and Portland Oregonian sent reporters there, but neither could find any trace of a volcano, though whole forests were ablaze. Joseph Baker, of Mount Idaho, an old miner, reports to the Walla Walla Statesman to-day that he has discovered the scene of the explosion, near some new diggings. The country for half a mile around is full of fissures newly cracked, but there are many others covered with moss, denoting previous explosions.--S.F. Chronicle, December 10, 1887. The place is only twenty miles from Mount Idaho.--W.W. Statesman, December 9.