| Landslide |
Location |
Description1 |
Damage/hazard1 |
Date/time of occurrence |
Field |
| No. |
|
|
|
information (reference) |
Checked |
| |
|
|
|
|
(Y/N) |
| 1 |
Schmitz Park at
Admiral Wy, |
Shallow slide;
slope height ~15 ft, slide |
Broken water
line. Slope repair |
"Slide
occurred the morning of November |
Y |
| |
Seattle (beneath
the Admiral |
area ~15 ft x 15
ft. |
performed and
gabion structure |
23, 2002 around 9:00 or 10:00
a.m.. |
|
| |
Wy. bridge). |
|
installed for
support. |
The slide seems to be
related to a broken |
|
| |
|
|
|
water line". (Bill Benzer and Mark Orth, |
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| |
|
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|
City of Seattle, email commun.). |
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| |
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| 2 |
1300 block of
Poindexter Ave., |
* |
Damaged house
(nature of damage |
"….home was
damaged by fire Jan. 2 [2003] |
N |
| |
Bremerton, WA |
|
undetermined). |
…..That same
day, a mudslide damaged a house |
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| |
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in the[1300 block
of Poindexter Ave]." (The |
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| |
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Sun [thesunlink.com], 1/9/03). |
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| 3 |
North of
Seattle's Carkeek |
Shallow debris flow. Originated from |
Covered railroad
track and disrupted |
"A mudslide Friday
morning north of |
Y |
| |
Park near Mile
Post 11.0. |
near top of bench ~40 ft above tracks |
Amtrak
rail service. |
Carkeek Park in
Seattle shut down Amtrak |
|
| |
|
in natural
deposits. Debris path |
|
service to and
from Everett." (The Daily |
|
| |
|
approximately 30 ft wide. |
|
Herald online
edition, (1/26/03). |
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| |
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| 4 |
Grand Ridge area
near Issaquah, |
Landslide in
graded fill. Failed area |
Possible contamination of Salmon- |
"Graded fill on a slope east
of the Grand |
N |
| |
WA (Mine Creek
drainage) |
approximately 60 ft wide and
4 ft deep. |
bearing Issaquah Creek. |
Ridge
development called Issaquah |
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| |
|
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|
Highlands apparently gave way
last |
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| |
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weekend,
carrying up to 50 cubic yards |
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| |
|
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of mud into Mine
Creek…The slide was |
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| |
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discovered
Monday, bringing engineers |
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| |
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and wetland
biologists to the site." |
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| |
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|
(Seattle
Post-Intelligencer online |
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| |
|
|
|
edition, 1/31/03). |
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| |
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| 5 |
Highway 522
(Lake City Way) |
Shallow slide/debris flow
involving |
Temporarily closed westbound
lane of |
"The recent rainy
weather caused a |
Y |
| |
at 61st Avenue
NE, near |
colluvium. Slope
height is 40 - 50 ft. |
Highway 522. Debris on highway. |
mudslide above Highway 522 early |
|
| |
Kenmore, WA. |
and
width of slide area is 30 - 40 ft. |
|
yesterday. It carried trees and debris |
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| |
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into the
westbound lanes of Highway 522, |
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| |
|
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|
known locally as
Lake City Way, at 61st |
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| |
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|
Avenue Northeast
near the Kenmore |
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| |
|
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city
limits." (Seattle Times online edition, |
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| |
|
|
|
2/5/03). |
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| 6 |
Rolling Bay
Walk, Bainbridge |
Shallow slide
in natural sediments. |
Badly damaged two-story, vacant |
"An
abandoned home on Rolling Bay Walk, |
Y |
| |
Island. |
Slope height is
60 - 70 ft; slide width |
home located near toe of slope. |
already red-tagged as unsafe for |
|
| |
|
approximately 30
- 40 ft. |
|
occupancy, was
destroyed in a mudslide |
|
| |
|
|
|
Saturday
evening" (Bainbridge Island Review |
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| |
|
|
|
online edition,
3/26/03. |
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| |
|
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| 7 |
2900 block of NW
96th St., |
Small, shallow slide (~5 ft by 15 ft |
Asphalt ditch
and guardrail damaged. |
"Small
slide at intersection. Pipe at toe |
Y |
| |
Seattle, WA |
area). Asphalt ditch and |
|
of slope may
contribute to instability." |
|
| |
|
drain pipe
involved in failure. |
|
(City of Seattle
database, 5/22/03). |
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