Month/day

Origin of Tsunami

Location of Effects

runup (m)

Comments

1855

3/19

N. California

Humboldt Bay

Observed

Water in bay agitated for an hour.

1943

4/6

N. Central Chili

Crescent City

trace

1946

4/1

E. Aleutian Is.

Crescent City.

1.0

A three feet amplitude and a twelve minute period were recorded.

1946

12/20

Nankaido, Japan

Crescent City

0.2

1952

3/4

SE Hokkaido, Japan

Crescent City

0.2

1952

11/4

Kamchatka Peninsula, Russia

Crescent City

1.0

Crescent City, 4 boats overturned, concrete buoys moved.

1957

3/9

Central Aleutian Is.

Crescent City

0.7

1960

5/22

S. Central Chili

Crescent City

1.7

$30,000 damages. 2 ships destroyed, others damaged.

1963

10/13

Kuril Is., Russia

Crescent City

0.5

.

1964

3/28

Gulf of Alaska - Alaska Peninsula

Crescent City

Klamath River

Trinidad

6.3

Observed

10 dead, 35 injured, 52 homes and 172 businesses damaged or destroyed. $15 million in damages.

1 killed, $4,000 damages to dock and boats at Requa. Damage reported at least 2.6 km from mouth if Klamath River.

5.4m above MLLW.

1965

2/4

W Aleutian Is.

Crescent City

0.1

Recorded.

.

1966

10/17

Peru

Crescent City

0.1

1968

5/16

Honshu, Japan

Crescent City

0.6

1971

7/26

New Ireland

Crescent City

<0.1

1974

10/3

Peru

Crescent City

<0.1

1986

5/7

W. Aleutian Is.

Crescent City

0.1

1992

4/25

N. California

Cape Mendocino

N. Spit Humboldt Bay

Clam Beach

Crescent City

Trinidad

0.3

Observed

0.6

0.9

Waves arrived at Humboldt Bay about 20 minutes after ground shaking.

Water level changed several feet.

Oscillations in harbor, fourth wave was the highest.

Cars stuck on beach.

1994

9/1

N. California

Mendocino Fault

Crescent City

0.14

Recorded on Crescent City tide gauge 45 minutes after earthquake.