The resulting tremors and tsunami killed 122 people and caused in excess of $106 million US in damage along the Pacific coast.
How high was the Port Alberni tsunami?
The first wave that hit Alberni and Port Alberni was 2.44 meters and one hour later the second wave hit with a height of 3.05 meters. The second tsunami wave caused a significant amount of damage.
What was the deadliest tsunami in Canada?
The largest tsunamis in Canada since 1903
| Date | Cause | Fatalities |
|---|---|---|
| 04/27/1975 | Landslide in Canada (Kitimat Inlet, British Columbia) | 0 |
| 03/28/1964 | Earthquake, landslide in the United States (Prince William Sound, Ak) with a magnitude of 9.2. The tsunami caused damages in 5 further countries. A total of 124 humans died. | 0 |
Is Port Alberni in a tsunami zone?
Study Area Port Alberni is a town of about 35,000, 100km inland from the west coast of Vancouver Island. It has a coastal geometry that amplifies and funnels tsunami energy further inland resulting in more severe run up effects.
How did the Port Alberni tsunami happen?
Southeast of Anchorage, areas around the head of Turnagain Arm near Girdwood and Portage dropped as much as 2.4 metres. A massive underwater slide at Port Valdez in Prince William Sound created an 8.2 metre tsunami that destroyed the village of Chenega, killing 23 of the 68 people who lived there.
How far inland is Port Alberni?
Alberni Inlet is a long, narrow inlet in Vancouver Island, British Columbia, Canada, that stretches from the Pacific Ocean at Barkley Sound about 40 km inland terminating at Port Alberni.
What province has the most tsunamis?
The coast of British Columbia is at the highest risk of tsunamis in Canada but tsunamis can occur on any coastal area. People on the beach or in low coastal areas need to be aware that a tsunami could arrive within minutes after a severe earthquake.
What caused the 1964 Port Alberni tsunami?
On Good Friday, March 27, 1964, a four-metre high wave generated by an earthquake in Anchorage, Alaska, caused $5 million damage to homes and business in Port Alberni (1964 dollars). Warning bulletins are issued to emergency response personnel through Emergency Management BC (EMBC) and the National Tsunami Warning Center (NTWC)…
How big was the Alberni earthquake wave?
Then, around midnight, the first of two waves began travelling up the 40 kilometre Alberni Inlet toward the towns of Alberni and Port Alberni. The narrow inlet amplified the size and intensity of the wave, and when it struck the two towns it had a height of 2.44 metres.
Where did the Alaskan tsunami of 1964 occur?
Post-quake tsunamis severely affected Whittier, Seward, Kodiak and other Alaskan communities, as well as people and property in Oregon, California and British Columbia. Figure 8.11 Calculated travel time map for the tectonic tsunami produced by the 1964 earthquake in Alaska.
What happened in the Prince William Sound tsunami?
A massive underwater slide at Port Valdez in Prince William Sound created an 8.2 metre tsunami that destroyed the village of Chenega, killing 23 of the 68 people who lived there. Post-quake tsunamis severely affected Whittier, Seward, Kodiak and other Alaskan communities, as well as people and property in Oregon, California and British Columbia.
