Hello guest! [ Log In ]
Known Mount Rainier Geologic Events

Known Geologic Events at Mount Rainier

The purpose of this page is to list all known, dated gelogic events at Mount Rainier, including lahars, debris flows, large rockfalls, large avalanches, rockfalls, and other events. This list is currently being compiled, so if you find errors or a missing event, please let Scott know.

Click on the event title to open more information about the event.

Type of Event: Location: Order By:

144 geologic events are listed below... If you have witnessed a geologic event, please click here to add it to the database!

# Event Date Type of Event Location Event Name
1 2019-08-05 Debris Flow South Tahoma Glacier August 5 2019 Tahoma Creek Debris Flow
2 2019-06-13 Rockfall Paradise Valley 2019 Paradise Valley Road Rockfall
3 2019-06-02 Avalanche Nisqually Cirque June 2 2019 Nisqually Glacier Icefall
4 2018-10-28 Rockfall Stevens Canyon October 28 2018 Stevens Canyon Road Rockfall
5 2018-09-26 Avalanche Nisqually Cirque Nisqually Cirque Avalanche
6 2018-09-05 Rockfall Nisqually Icefall September 5 2018 Nisqually Rock Fall
7 2018-08-13 Rockfall Comet Falls August 13 2018 Van Trump Park Rockfall
8 2018-08-04 Debris Flow Winthrop Creek August 4 2018 West Fork White River Debris Flow
9 2018-08-01 Rockfall Longmire August 1 2018 Longmire Rockfall
10 2018-07-31 Other Hydrologic Event Late July 2018 Tahoma Creek Overbank Flooding
11 2018-07-30 Unknown Disappointment Cleaver July 2018 Disappointment Cleaver fissures
12 2018-06-06 Rockfall Mount Rainier National Park June 6 2018 Glacier Hill Rock Fall
13 2017-11-21 Flood Mount Rainier National Park November 21-23 2017 Flood
14 2017-11-21 Outburst Flood Emmons Glacier November 21 2017 Possible Emmons Glacier Outburst Floods
15 2017-10-22 Flood Mount Rainier National Park October 2017 Flood
16 2017-09-20 Earthquake Mount Rainier National Park September 2017 Earthquake Swarm
17 2017-09-03 Unknown Kautz Glacier September 2017 Possible Kautz Glacier Hydrologic Event
18 2017-08-03 Unknown Kautz Glacier August 2017 Possible Kautz Glacier Hydrologic Event
19 2016-10-31 Unknown Kautz Glacier October 2016 Possible Kautz Glacier Hydrologic Event
20 2016-10-25 Other Hydrologic Event Kautz Glacier October 2016 Possible Kautz Glacier Hydrologic Event
21 2016-10-15 Debris Flow Dry Creek 2016 Dry Creek Debris Flow
22 2016-05-26 Rockfall Nisqually Vista 2016 Nisqually Vista Area Landslide
23 2015-10-30 Flood Mount Rainier National Park October 2015 Flood
24 2015-10-10 Debris Flow Dry Creek 2015 Dry Creek Debris Flow
25 2015-09-12 Debris Flow South Tahoma Glacier September 2015 South Tahoma Glacier Outburst Flood and Debris Flow
26 2015-08-19 Rockfall Success Cleaver August 2015 Success Cleaver Rockfall
27 2015-08-13 Debris Flow South Tahoma Glacier August 2015 South Tahoma Glacier Outburst Flood and Debris Flow
28 2015-01-05 Flood Mount Rainier National Park January 2015 Flood
29 2015-01-05 Rockfall Backbone Ridge 2015 Backbone Ridge Rockfall
30 2014-11-25 Flood Mount Rainier National Park November 2014 Flood
31 2014-05-15 Rockfall Mount Wow 2014 Mount Wow Rockfall
32 2014-04-09 Unknown Emmons Glacier 2014 Emmons Glacier Possible Winter Outburst Flood
33 2014-02-28 Avalanche Nisqually Cleaver February 2014 Avalanche
34 2012-10-27 Outburst Flood Nisqually Glacier October 2012 Nisqually Glacier Outburst Flood
35 2012-02-22 Avalanche Emmons Glacier February 2012 Emmons Glacier Avalanche
36 2012-02-19 Other Hydrologic Event Carbon Glacier February 2012 Carbon River Hydrologic Event
37 2011-07-27 Rockfall Nisqually Icefall 2011 Nisqually Ice Cliff Rockfalls
38 2011-01-15 Flood Mount Rainier National Park January 2011 Flood
39 2010-09-16 Unknown Ohanapecosh Campground Possible Ohanapecosh Glacier Hydrologic Event
40 2010-08-22 Rockfall Curtis Ridge 2010 Curtis Ridge Rockfall
41 2009-12-11 Earthquake Mount Rainier National Park 2009 Earthquake Swarm
42 2009-09-22 Earthquake Mount Rainier National Park September 2009 Earthquake Swarm
43 2009-07-31 Rockfall South Tahoma Glacier 2009 South Tahoma Glacier Rockfall
44 2009-01-07 Flood Mount Rainier National Park January 2009 Flood
45 2008-11-12 Flood Mount Rainier National Park November 2008 Flood
46 2008-11-08 Rockfall Ricksecker Point November 2008 Ricksecker Point Landslide
47 2007-12-04 Avalanche Stevens Creek December 2007 Stevens Creek Avalanche
48 2007-12-03 Flood Mount Rainier National Park December 2007 Flood
49 2006-11-06 Debris Flow Van Trump Glacier 2006 Van Trump Debris Flow
50 2006-11-06 Debris Flow Pyramid Creek 2006 Pyramid Creek Debris Flow
51 2006-11-06 Debris Flow Winthrop Glacier 2006 Winthrop Glacier Debris Flow
52 2006-11-06 Debris Flow Inter Glacier 2006 Inter Glacier Debris Flow
53 2006-11-06 Debris Flow South Tahoma Glacier 2006 Tahoma Creek Debris Flow
54 2006-11-06 Debris Flow Kautz Glacier 2006 Kautz Glacier Debris Flow
55 2006-11-06 Flood Fryingpan Creek 2006 Fryingpan Creek Flood
56 2006-11-06 Flood Carbon Glacier 2006 Carbon Glacier Flood
57 2006-11-06 Flood Cowlitz Glacier 2006 Cowlitz Glacier Debris Flow
58 2006-11-06 Rockfall Shaw Creek 2006 Shaw Creek Rockfall
59 2006-11-06 Flood Mount Rainier National Park November 2006 Flooding
60 2006-10-07 Earthquake Cowlitz Chimneys October 2006 Cowlitz Chimneys Earthquake
61 2005-09-29 Debris Flow Van Trump Glacier 2005 Van Trump Creek Debris Flow
62 2005-09-29 Debris Flow Pyramid Glacier 2005 Pyramid Glacier Debris Flow
63 2005-09-29 Debris Flow South Tahoma Glacier 2005 Tahoma Creek Debris Flow
64 2005-09-29 Debris Flow Kautz Glacier 2005 Kautz Creek Debris Flow
65 2005-09-29 Flood Mount Rainier National Park September 29 2005 Flood
66 2005-09-29 Outburst Flood Carbon Glacier Probable September 2009 Carbon Glacier Debris Flow
67 2004-12-11 Flood Carbon Glacier December 2004 Carbon River Flood
68 2004-11-07 Earthquake Columbia Crest November 7 2004 M3.2 Earthquake
69 2004-05-31 Flood May 2004 Tahoma Creek Hydrologic Event
70 2003-10-20 Debris Flow Van Trump Glacier October 20 2003 Van Trump Creek Debris Flow
71 2003-10-20 Debris Flow Kautz Glacier October 20 2003 Kautz Creek Debris Flow
72 2003-10-20 Debris Flow South Tahoma Glacier October 20 2003 Tahoma Creek Debris Flow
73 2003-10-07 Debris Flow Dry Creek October 2003 Dry Creek Debris Flow
74 2003-09-12 Slope Failure South Tahoma Glacier 2003 South Tahoma Glacier Slope Failure
75 2001-08-14 Debris Flow Kautz Glacier 2001 Kautz Creek Debris Flow
76 2001-02-28 Earthquake Other 2001 Nisqually Earthquake
77 1999-11-25 Flood Mount Rainier National Park November 1999 flooding
78 1998-12-29 Flood Mount Rainier National Park December 1998 Flooding
79 1996-08-09 Debris Flow Winthrop Glacier August 1996 Winthrop Glacier Debris Flow
80 1996-02-08 Flood Mount Rainier National Park February 1996 Flooding
81 1995-11-28 Flood Mount Rainier National Park November 1995 Floods
82 1993-07-31 Other Hydrologic Event South Tahoma Glacier 1993 Tahoma Creek Flood or Debris Flow
83 1992-09-20 Debris Flow South Tahoma Glacier September 20 1992 Tahoma Creek Debris Flow
84 1992-09-08 Debris Flow South Tahoma Glacier September 8 1992 Tahoma Creek Debris Flow
85 1991-11-05 Debris Flow South Tahoma Glacier 1991 Tahoma Creek Debris Flow
86 1990-11-25 Flood Mount Rainier National Park November 1990 Flooding
87 1990-10-03 Debris Flow South Tahoma Glacier October 1990 Tahoma Creek Debris Flow
88 1990-08-04 Debris Flow South Tahoma Glacier August 1990 Tahoma Creek Debris Flow
89 1989-11-09 Debris Flow South Tahoma Glacier November 1989 Tahoma Creek Debris Flow
90 1989-10-11 Flood Mount Rainier National Park October 11 1989 Flood
91 1989-09-23 Debris Flow South Tahoma Glacier September 1989 Tahoma Creek Debris Flow
92 1989-08-16 Rockfall Russell Cliff 1989 Russell Cliff Rockfall
93 1988-10-22 Debris Flow South Tahoma Glacier October 22 1988 Tahoma Creek Debris Flow
94 1988-10-16 Debris Flow South Tahoma Glacier October 16 1988 Tahoma Creek Debris Flow
95 1988-07-26 Debris Flow South Tahoma Glacier July 26 1988 Tahoma Creek Debris Flow
96 1988-07-14 Debris Flow South Tahoma Glacier July 14 1988 Tahoma Creek Debris Flow
97 1987-10-01 Flood Carbon Glacier 1987 Carbon River Flood Damage
98 1987-09-23 Debris Flow South Tahoma Glacier September 1987 Tahoma Creek Debris Flow
99 1987-08-31 Debris Flow South Tahoma Glacier August 31 1987 Tahoma Creek Debris Flow
100 1987-08-28 Debris Flow South Tahoma Glacier August 28 1987 Tahoma Creek Debris Flow
101 1987-08-09 Debris Flow Winthrop Glacier 1987 Winthrop Glacier Debris Flow
102 1987-06-29 Debris Flow South Tahoma Glacier June 1987 Tahoma Creek Debris Flow
103 1987-06-22 Other Hydrologic Event Nisqually Glacier 1987 Nisqually Glacier Hydrologic Event
104 1986-11-01 Flood Mount Rainier National Park November 1986 Flooding
105 1986-10-26 Debris Flow South Tahoma Glacier 1986 Tahoma Creek Debris Flow
106 1986-09-04 Debris Flow Kautz Glacier 1989 Kautz Glacier Debris Flow
107 1986-06-22 Other Hydrologic Event Nisqually Glacier 1986 Nisqually Glacier Hydrologic Event
108 1985-07-18 Debris Flow Kautz Glacier 1985 Kautz Glacier Debris Flow
109 1982-11-01 Flood Mount Rainier National Park 1982 Flooding
110 1981-08-15 Debris Flow South Tahoma Glacier August 1981 Tahoma Creek Debris Flow
111 1980-12-28 Flood Mount Rainier National Park December 20-28 1980 Flooding
112 1980-09-21 Outburst Flood South Tahoma Glacier September 1980 Tahoma Creek Debris Flow
113 1979-08-01 Debris Flow South Tahoma Glacier July-August 1979 Tahoma Creek Debris Flows
114 1977-12-02 Flood Mount Rainier National Park Early December 1977 Flooding
115 1976-07-03 Outburst Flood Nisqually Glacier July 1976 Nisqually Glacier Outburst Flood
116 1975-09-15 Debris Flow Van Trump Creek 1975 Kautz and Van Trump Debris Flow
117 1974-01-15 Flood Mount Rainier National Park January 1974 Floods
118 1972-07-14 Outburst Flood Nisqually Glacier 1972 Nisqually River Flood
119 1971-08-10 Debris Flow South Tahoma Glacier August 1971 Tahoma Creek Debris Flow
120 1970-08-21 Debris Flow South Tahoma Glacier August 1970 Tahoma Creek Debris Flow
121 1970-07-04 Outburst Flood Nisqually Glacier 1970 Nisqually Glacier Hydrologic Event
122 1968-07-01 Outburst Flood South Tahoma Glacier Summer 1968 Tahoma Creek Hydrologic Events
123 1968-06-02 Outburst Flood Nisqually Glacier 1968 Nisqually River Flood
124 1967-09-15 Debris Flow South Tahoma Glacier September 1967 Tahoma Creek Debris Flow
125 1967-08-31 Debris Flow South Tahoma Glacier August 31 1967 Tahoma Creek Debris Flow
126 1967-08-29 Outburst Flood South Tahoma Glacier August 29 1967 Tahoma Creek Outburst Flood
127 1963-12-14 Rockfall Little Tahoma Peak 1963 Little Tahoma Rockfall
128 1962-11-20 Flood Mount Rainier National Park November 1962 Flooding
129 1961-08-23 Debris Flow Kautz Glacier 1961 Kautz Creek Debris Flow
130 1959-11-22 Flood Mount Rainier National Park November 1959 Flood
131 1955-10-25 Debris Flow Nisqually Glacier 1955 Nisqually Glacier Debris Flow
132 1955-10-25 Flood Carbon Glacier October 1955 Carbon River Flooding
133 1952-09-01 Flood Chenuis Falls September 1952 Carbon River Flood
134 1951-02-09 Flood Mount Rainier National Park February 1951 Flooding
135 1947-11-08 Flood Mount Rainier National Park November 1947 Floods
136 1947-10-02 Outburst Flood Nisqually Glacier 1947 Nisqually River Outburst Flood
137 1947-10-02 Debris Flow Kautz Glacier 1947 Kautz Creek Mudflow
138 1945-12-28 Flood Mount Rainier National Park December 1945 Floods
139 1934-10-25 Debris Flow Nisqually Glacier 1934 Nisqually Glacier Debris Flow
140 1934-10-25 Flood Mount Rainier National Park October 1934 Flooding
141 1933-10-09 Flood Mount Rainier National Park October 1933 Flooding
142 1932-10-14 Debris Flow Nisqually Glacier 1932 Nisqually Glacier Debris Flow
143 1926-10-16 Debris Flow Nisqually Glacier 1926 Nisqually Glacier Debris Flow
144 1894-12-24 Unknown Columbia Crest Possible 1894 Phreatic Eruption


Data references:

Beason, S.R., 2012, Small glacial outburst flood occurs on Mount Rainier - October 27, 2012: Unpublished National Park Service Science Brief, 3 p.
Beason, S.R., et al., in prep, Glacial outburst floods and debris flows from the South Tahoma Glacier, Mount Rainier National Park, Washington: August and September, 2015: National Park Service Natural Resource Report NPS/MORA/NRR-2015/XXX.
Copeland, E.A., 2010, Recent periglacial debris flows from Mount Rainier, Washington: M.S. Thesis, Oregon State University, 125 p.
Copeland, E.A., P.M. Kennard, A.W. Nolin, S.T. Lanscaster and G.E. Grant, 2008, Initiation of recent debris flows on Mount Rainier, Washington: A climate warming signal? American Geophysical Union Fall Meeting, San Francisco, CA.
Crandell, D.R., 1971, Postglacial lahars from Mt. Rainier volcano, Washington: U.S. Geological Survey Professional Paper 677, 75 p.
Donovan, K.H.M, 2005, An investigation into the 2003 Van Trump Creek debris flow, Mt. Rainier, Washington, United States of America: BSc Geological Hazards Thesis, University of Portsmouth (UK), 58 p.
Driedger, C.L. and A.G. Fountain, 1989, Glacier outburst floods at Mout Rainier, Washington State, USA: Anals of Glaciology, Vol. 13, 5 p.
Hodge, S., 1972, The movement and basal conditions of the Nisqually Glacier, Mount Rainier: Ph.D Thesis, Univeristy of Washington, xxx p.
Legg, N.T., 2013, Debris flows in glaciated catchments: A case study on Mount Rainier, Washington: M.S. Thesis, Oregon State University, 162 p.
Legg, N.T., A.J. Meigs, G.E. Grant and P.M. Kennard, 2014, Debris flow initiation in proglacial gullies on Mount Rainier, Washington: Geomorphology, Vol. 226, p. 249-260.
Richardson D., 1968, Glacier outburst floods in the Pacific Northwest: U.S. Geological Survey Professional Paper 600-D, D79-D86.
Samora, B., 1991, Chronology of flood events as noted in the superintendent's annual reports 1940-1991, Unpublished Internal Document, Mount Rainier National Park, WA, 13 p.
Scott, K.M., J.W. Vallance, and P.T. Pringle, 1995, Sedimentology, behavior, and hazards of debris flows at Mount Rainier, Washington: United States Geological Survey Professional Paper 1547, 56 p.
Vallance, J.W., C.L. Driedger and W.E. Scott, 2002, Diversion of meltwater from Kautz Glacier initiates small debris flows near Van Trump Park, Mount Rainier, Washington: Washington Geology, Vol. 30, No. 1/2, p. 17-19.
Vallance, J.W., M.L. Cunico and S.P. Schilling, 2003, Debris-flow hazards caused by hydrologic events at Mount Rainier, Washington: United States Geological Survey Open-File Report 2003-368, 4 p.
Walder, J.S. and C.L. Driedger, 1994, Geomorphic changed caused by outburst floods and debris flows at Mount Rainier, Washington, with emphasis on Tahoma Creek valley: U.S. Geological Survey Water-Resources Investigations Report 93-4093, 100 p.
Walder, J.S. and C.L. Driedger, 1994, Rapid geomorphic change caused by glacial outburst floods and debris flows along Tahoma Creek, Mount Rainier, Washington, USA: Arctic and Alpine Research, Vol. 26, No. 4, p. 319-327.
Walder, J.S. and C.L. Driedger, 1995, Frequent outburst floods from South Tahoma Glacier, Mount Rainier, USA: relation to debris flows, meterological origin and implications for subglacial hydrology: Journal of Glaciology, Vol. 41, No. 137, 11 p.