1964 Alaska earthquake

Good Friday Earthquake

by ori jackont

what happend there?

The 1964 Alaskan earthquake, also known as the Great Alaskan Earthquake, the Portage Earthquake and the Good Friday Earthquake, was a megathurst earhquake that began at 5:36 P.M. AST on good friday, March 27, 1964.Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 139 deaths.



how much big was it?

lsating nearly three minutes, it was the most powerful recorded earthquake in u.s and north america history, and the second most powerful ever measured by seismograph. It had a moment magnitude of 9.2, making it the second largest earthquake in recorded history—the largest being the 1960 valdiva earthquake in chilie.


Weather History: 1964 Good Friday Alaska Earthquake
Alaskan Earthquake (1964) The Big Picture