10 HISTORICAL EARTHQUAKES IN ALASKA

Images taken from: http://earthquake.usgs.gov/earthquakes/states/historical_state.php

YAKUTAT BAY, ALASKA

September 10, 1899 8.0 magnitude A Tsunami followed

(34.7 feet tall) A U.S Geological

Survey team studied the area of the epicenter and found obvious topographic changes

CENTRAL ALASKA

July 22, 1937 7.3 magnitude Damage was

reported in Fairbanks and Anchorage; small cracks in the roads formed and a landslide occurred.

UNIMAK ISLAND, ALASKA

April 1, 1946 8.1 magnitude The earthquake

itself did little physical damage but a tsunami that followed was the cause of 165 deaths and caused about $26 million in property damage

Unimak Island, Alaska

ANDRENOF ISLAND, ALASKA

March 9, 1957 8.6 magnitude Damaged houses,

bridges and left a large crack in a road

Mt. Vsevidof erupted (after the earthquake struck) after being dormant for about 200 years

LITUYA BAY, ALASKA

July 10, 1958 7.7 magnitude Bridges, docks and

oil lines were damaged, and landslides were the cause of five deaths.

A small “gravity wave” was created by a rock slide and two fishing boats went missing.

PRINCE WILLIAM SOUND, ALASKA(THE LARGEST EARTHQUAKE IN ALASKA TO DATE)

March 28, 1964 9.2 magnitude 128 people died; 15

from the earthquake itself and 113 died in the tsunami that followed

$331 million in property damage was caused

PHOTOS FROM THE PRINCE WILLIAM SOUND EARTHQUAKE AND TSUNAMI

Tsu

Tsunami Damage Earthquake Damage

GULF OF ALASKA

November 30, 1987 7.8 magnitude Some light damage

was done to buildings and glass windows were broken

This area had not felt an earthquake this strong since October 1900

RAT AND ALEUTIAN ISLANDS, ALASKAIMAGE SOURCE: HTTP://EARTHQUAKE.USGS.GOV/EARTHQUAKES/STATES/HISTORICAL_STATE.PHP

November 17, 2003 7.8 magnitude Caused by movement in the Aleutian Arc A local tsunami followed the quake but was

not very big and caused little damage

ANDRENOF ISLAND, ALASKA

December 19, 2007 7.2 magnitude This quake was felt in 4

other locations including: Amatignak Island, Semisopochnoi Island, Anchorage and Juneau

This earthquake was caused by friction between the North American plate and the Pacific plate

FOX AND ALEUTIAN ISLANDS, ALASKA December 26, 2009 6.4 magnitude This earthquake is still being reviewed by

seismologists and no damage had been reported. This is the most recent “historical” quake to

happen in Alaska on the list given by USGS.

The yellow on the map shows where the earthquake was felt