Send the link below via email or IMCopy
Present to your audienceStart remote presentation
- Invited audience members will follow you as you navigate and present
- People invited to a presentation do not need a Prezi account
- This link expires 10 minutes after you close the presentation
- A maximum of 30 users can follow your presentation
- Learn more about this feature in our knowledge base article
1965 Rat Island Alaska EArthquake
Transcript of 1965 Rat Island Alaska EArthquake
the magnitude is 8.7
On Adak island, crack occurred in prefabricated wood buildings on Shemya Island, cracks were observedin an asphalt runway. Hairline cracks also formd in the runways at the US coast guard Loran Station on Attu Island. This earthquake generated a tsunami reported to be about 10.7 meters high on Shemya Island. Loss caused by flooding on Amchitka Island was estimated at about $10,000.
Square miles it was felt
51.29 degrees north and 178.49 degrees west of rat island
1965 Rat Island Alaska Earthquake
0 people died because 0 people were on the island at that time.
Energy of the Earthquake
The pattern of energy release suggest the presence of 3 asperities along the plate interface. Each causing a pulse of moment release
Date of the Earthquake
February 4, 1965
Duration of Earthquake
It lasted 160 seconds
It was in Alaska
The main shock was followed by an earthquake of magnitude 7.6. Nearly 2 months later, that triggered a tsunami.
There were no injuries.
There was a population of zero people on the island.
Type of fault/stress earthquake occurred on
The only obvious structures in Rat Island are high angle normal faults.
Between the Pacific and North American Crustal Plates.
There was one 2 months later with the magnitude of 7.6.
Number on a Mercalli Scale
It was a mumber 9 on the mercalli scale.
There was no personal story because no one was on the island during the earthquake.