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400:$ 8,500 ($ 151,000 in 2018) in damage to school buildings. A new home 4 miles (6.4 km) west of town was nearly destroyed, and extensive damage was dealt with two cement homes that had been built around 1916 about 7 miles (11 km) west of town. In Umapine a handful of homes were badly damaged. The grade school and high school, which were joined, were found to be separated by 3 inches (7.6 cm).
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The shaking was reported as being strongest near State Line. Very strong shaking occurred in Milton-Freewater, breaking windows and collapsing chimneys that had been built longer than ten years previous to the earthquake. Up to $ 3,000 ($ 53,000 in 2018) in damage was done to canned goods as well as
365:
Wells in Milton-Freewater saw an increase in water level and a creek near a town, which had previously run dry, began flowing immediately after the earthquake. Observers in Walla Walla noted rumbling noises immediately preceding the first shocks. At one point the ground dropped by 2.4 meters
427:. These earthquakes occurred in both Washington and Oregon, owing to the close proximity of the mainshock to the state line. Aftershocks measuring IV on the Mercalli scale were recorded in August, with the ones that struck in November being measured as III.
392:, people were forced to evacuate their homes due to large cracks found within their walls. Rocks were reported to have wandered into some intersections and two freight cars were shaken off the tracks at Blue Mountain Station in
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The ground near Milton-Freewater exhibited cracks over an area that was 1,500 feet (460 m) long by up to 100 feet (30 m), one of which being 300 feet (91 m) long and 6 feet (1.8 m) wide in places. Near
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in northeast Oregon. Another earthquake estimated near a magnitude 6 struck the Walla Walla valley in 1882. The earthquake occurred in the
Touchet Ridge, a spur leading west off the
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Over 50 aftershocks were recorded intermittently until mid-November 1936. Several dozen were felt the night of the event in the immediate area, with only three of them reaching to
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521:
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696:
Brocher, T. M.; Sherrod, B. L. (2018), "Intensities, Aftershock
Sequences, and the Location of the 1936 Milton-Freewater Earthquake near the OregonâWashington Border, U.S.A",
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There have been 66 earthquakes felt in the area since 1936. Most of these have had a magnitude below 4, though one event in
November 1991 was 4.3.
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To the north of the earthquake is the Hite Fault, which lies approximately parallel to the west slopes of the Blue
Mountains in
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there were cracks in the ground up to 6 inches (15 cm) wide that had water flowing out of them, demonstrating
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366:(7 ft 10 in). About 70% of headstones at a nearby cemetery were found to have been rotated clockwise.
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362:. Some cracks were 8 feet (2.4 m) deep. Residents in Umapine reported being woken during the night.
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and several
Washington state agencies have run scenarios regarding a future earthquake on the fault.
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657:"Modeling a Magnitude 6.8 Earthquake on the Hite Fault Zone in Walla Walla County (2012)"
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Larger earthquakes like the 1936 State Line earthquake are not uncommon along the
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on July 15, 1936. The earthquake had an estimated magnitude of 5.8 and a maximum
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Severe damage was widespread throughout Milton-Freewater and Walla Walla. In
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Two small foreshocks were recorded in the three hours before the mainshock.
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229:(also referred to as the 1936 Milton-Freewater earthquake) struck at 23:08
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326:. The Hite Fault is thought to be the boundary between the more stable
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Chimneys on roofs collapsed in numerous locations, as far away as
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514:"OUT OF THE VAULT: 1936 earthquake rocks Milton-Freewater area"
265:
near the
Canadian border and by seismographs as far away as
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state line approximately 6 miles (9.7 km) northwest of
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198:$ 100,000 (1936) $ 1.78 million (2018)
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material to the west. While there is no evidence of a
552:. U.S. Government Printing Office. pp. 338â341.
666:: Washington State Department of Natural Resources.
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Seismicity of the United States, 1568â1989 (revised)
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698:Bulletin of the Seismological Society of America
411:and plaster was found to have been cracked in
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1553:1936 natural disasters in the United States
338:earthquake event along the Hite Fault, the
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473:"WA/OR - United States earthquakes, 1936"
442:List of earthquakes in the United States
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673:from the original on February 27, 2018
581:from the original on February 27, 2018
524:from the original on February 27, 2018
520:: Eastern Oregonian. 4 November 2015.
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607:from the original on October 28, 2013
483:: Pacific Northwest Seismic Network.
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740:International Seismological Centre
637:from the original on July 11, 2021
627:"Walla Walla Valley Hit by Quakes"
546:Stover C.W.; Coffman J.L. (1993).
376:for the 1936 State Line earthquake
14:
1563:Earthquakes in the United States
785:Earthquakes in the United States
283:Geology of the Pacific Northwest
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32:
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556:from the original on 2022-01-18
203:
241:). The epicenter was near the
1:
407:. Pendulum clocks stopped in
575:"1936 State Line earthquake"
257:and was felt throughout the
1568:Natural disasters in Oregon
633:: Spokane Daily Chronicle.
437:List of earthquakes in 1936
261:, including as far away as
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280:
227:1936 State Line earthquake
17:1936 State Line earthquake
1446:2018 Southern Appalachian
293:OlympicâWallowa Lineament
287:OlympicâWallowa Lineament
21:
834:1812 San Juan Capistrano
301:Port Angeles, Washington
251:Milton-Freewater, Oregon
1466:2020 Monte Cristo Range
1215:1986 North Palm Springs
1070:1948 Desert Hot Springs
255:Walla Walla, Washington
100:July 15, 1936
1517:2010â11 Guy-Greenbrier
1090:1957 Andreanof Islands
914:1892 VacavilleâWinters
859:1867 Manhattan, Kansas
601:"Inflation Calculator"
377:
1527:2009âpresent Oklahoma
1416:2014 Southeast Alaska
1411:2014 Aleutian Islands
1225:1987 Whittier Narrows
1135:1968 Borrego Mountain
1085:1954 Churchill County
1060:1946 Aleutian Islands
1055:1944 CornwallâMassena
955:1906 Aleutian Islands
799:1585 Aleutian Islands
372:
328:North American craton
311:that is known as the
1376:2010 Baja California
1230:1987 Imperial Valley
1220:1986 Chalfant Valley
1180:1979 Imperial Valley
975:1915 Pleasant Valley
970:1915 Imperial Valley
263:Bonners Ferry, Idaho
1456:2020 Salt Lake City
1401:2013 Port Alexander
1341:2006 Gulf of Mexico
1255:1992 Cape Mendocino
1020:1932 Cedar Mountain
889:1872 North Cascades
710:2018BuSSA.108.2594B
664:Olympia, Washington
631:Spokane, Washington
165: /
18:
1461:2020 Central Idaho
1280:1993 Klamath Falls
1095:1957 San Francisco
1050:1940 New Hampshire
1030:1934 Hansel Valley
1000:1925 Santa Barbara
990:1921 Sevier Valley
950:1906 San Francisco
909:1892 Laguna Salada
839:1812 Santa Barbara
829:1811â12 New Madrid
804:1638 New Hampshire
748:authoritative data
718:10.1785/0120180111
378:
324:Walla Walla County
313:Horse Heaven Hills
235:Mercalli intensity
169:45.992°N 118.496°W
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1275:1993 Scotts Mills
1245:1991 Sierra Madre
1160:1975 Near Islands
1150:1971 San Fernando
1115:1962 Cache Valley
960:1909 Wabash River
894:1882 Fort Collins
884:1872 Owens Valley
704:(5A): 2594â2613,
518:Pendleton, Oregon
360:soil liquefaction
305:Wallowa Mountains
259:Pacific Northwest
253:and southwest of
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189:Pacific Northwest
1585:
1578:July 1936 events
1558:1936 earthquakes
1356:2008 Chino Hills
1300:1999 Hector Mine
1250:1992 Joshua Tree
1235:1989 Loma Prieta
1210:1984 Morgan Hill
1190:1981 Westmorland
1175:1979 Coyote Lake
1130:1965 Puget Sound
1125:1965 Rat Islands
1110:1959 Hebgen Lake
1080:1952 Kern County
985:1918 San Jacinto
929:1899 San Jacinto
924:1898 Mare Island
844:1838 San Andreas
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1451:2019 Ridgecrest
1421:2014 South Napa
1346:2006 Kiholo Bay
1336:2003 San Simeon
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1305:2000 Yountville
1295:1998 Pymatuning
1285:1994 Northridge
1270:1992 St. George
1200:1983 Borah Peak
1155:1973 Point Mugu
1145:1969 Santa Rosa
1105:1958 Lituya Bay
1040:1936 State Line
1025:1933 Long Beach
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919:1895 Charleston
899:1886 Charleston
874:1870 Charlevoix
849:1857 Fort Tejon
824:1783 New Jersey
809:1663 Charlevoix
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1314:21st century
1260:1992 Landers
1075:1949 Olympia
1039:
995:1925 Montana
938:20th century
869:1868 Hayward
854:1865 Memphis
744:bibliography
701:
697:
677:February 26,
675:. Retrieved
651:
641:February 26,
639:. Retrieved
621:
611:February 26,
609:. Retrieved
595:
585:February 26,
583:. Retrieved
569:
558:. Retrieved
548:
528:February 26,
526:. Retrieved
491:February 26,
489:. Retrieved
422:
402:
398:
387:
379:
364:
352:
344:
321:
315:west of the
290:
238:
231:Pacific time
226:
224:
213:
195:Total damage
1471:2020 Sparta
1436:2018 Hawaii
1431:2018 Alaska
1371:2010 Eureka
1326:2002 Denali
1240:1990 Upland
1205:1983 Kaoiki
1185:1980 Eureka
1170:1975 Hawaii
1165:1975 Morris
1120:1964 Alaska
1100:1958 Huslia
1035:1935 Helena
1015:1932 Eureka
1005:1927 Lompoc
904:1887 Sonora
879:1871 LÄnaĘťi
864:1868 Hawaii
419:Aftershocks
317:Wallula Gap
239:Very strong
214:Very strong
172: /
160:118°29â˛46âłW
135: 5.8
123:15 seconds
74: event
1547:Categories
1507:2001 Enola
1486:2023 Texas
1366:2008 Wells
792:Historical
560:2020-09-21
481:Washington
448:References
349:Earthquake
336:Quaternary
281:See also:
271:California
247:Washington
157:45°59â˛31âłN
104:1936-07-15
63: time
1512:2008 Reno
1361:2008 Reno
965:1914 Reno
726:135129133
425:Hermiston
405:Waitsburg
267:San Diego
212:MMI VII (
206:intensity
148:Epicenter
128:Magnitude
668:Archived
635:Archived
605:Archived
579:Archived
554:Archived
522:Archived
485:Archived
431:See also
409:Umatilla
332:accreted
237:of VII (
120:Duration
746:and/or
706:Bibcode
477:Seattle
413:Prosser
356:Umapine
303:to the
277:Geology
102: (
1500:Swarms
742:has a
724:
394:Dayton
390:Athena
384:Damage
297:faults
243:Oregon
115:23:08
91:ComCat
78:903747
722:S2CID
671:(PDF)
660:(PDF)
143:5 km
140:Depth
84:USGS-
738:The
679:2018
643:2018
613:2018
587:2018
530:2018
493:2018
340:USGS
285:and
225:The
204:Max.
86:ANSS
714:doi
702:108
72:ISC
61:UTC
1549::
720:,
712:,
700:,
662:.
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603:.
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538:^
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501:^
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269:,
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