1964 Alaska earthquake

E831843

The 1964 Alaska earthquake was a massive magnitude 9.2 megathrust quake—the second-largest ever recorded—that devastated parts of southern Alaska and triggered widespread tsunamis across the Pacific.

All labels observed (5)

How this entity was disambiguated

Statements (57)

Predicate Object
instanceOf megathrust earthquake
natural disaster
tsunami-generating earthquake
affectedArea Anchorage
Kenai Peninsula
Kodiak Island
Prince William Sound region
Seward
Valdez
Whittier
southern Alaska
alsoKnownAs Good Friday Earthquake
Great Alaska Earthquake
casualties approximately 131 deaths
category 1964 disasters in the United States
Earthquakes in Alaska
Megathrust earthquakes
Tsunamis in the United States
caused land subsidence in coastal Alaska
uplift of some coastal areas
country United States
date 1964-03-27
dayOfWeek Friday
deathsFromTsunami majority of total deaths
durationOfStrongShaking approximately 4.5 minutes
economicLosses hundreds of millions of 1964 U.S. dollars
epicenterNear College Fjord
Valdez
ledTo changes in U.S. building codes
creation of the National Earthquake Information Center
locatedIn Alaska
Prince William Sound
magnitude 9.2
maximumMercalliIntensity XI
maximumMercalliIntensityDescription Extreme
momentMagnitudeScale 9.2
notableFor extreme duration and magnitude
widespread ground deformation
occurredOnFault Aleutian Megathrust
occurredOnPlateBoundary Pacific Plate–North American Plate boundary
partOf history of Alaska
rankByMagnitude second-largest earthquake ever instrumentally recorded
ruptureType megathrust
studiedBy United States Geological Survey
tectonicSetting subduction zone
timeLocal 1964-03-27T17:36:00-09:00
timeUTC 1964-03-28T03:36:00Z
triggered soil liquefaction
submarine landslides
tsunamis
tsunamiAffectedArea British Columbia coast
Gulf of Alaska
Hawaii
Japan
U.S. West Coast
tsunamiMaximumRunupInAlaska approximately 67 meters
tsunamiMaximumRunupLocation Shoup Bay, Alaska

How these facts were elicited

Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

1949 Queen Charlotte Islands earthquake followedBy 1964 Alaska earthquake
Kodiak Archipelago historicalEvent 1964 Alaska earthquake and tsunami
linked to: 1964 Alaska earthquake
Chenega eventAffectedBy 1964 Alaska earthquake
Chenega Bay affectedBy 1964 Good Friday earthquake
linked to: 1964 Alaska earthquake
Pacific Tsunami Warning Center significantEventMonitored 1964 Alaska earthquake and tsunami
linked to: 1964 Alaska earthquake
Chenega, Alaska historicalEvent 1964 Alaska earthquake
1964 Alaska earthquake alsoKnownAs Great Alaska Earthquake
linked to: 1964 Alaska earthquake
1964 Alaska earthquake category Earthquakes in Alaska
linked to: 1964 Alaska earthquake