UPDATE: After further evaluation, there is no tsunami threat to BC as a result of an 8.2 magnitude earthquake that occurred 96.5 kilometres (60 miles) southeast of Chignik, Alaska on July 28, 2021.

Preliminary Earthquake Parameters

The following parameters are based on a rapid preliminary assessment of the earthquake and changes may occur.

• Magnitude: 8.2 (previously evaluated as 8.1)
• Origin Time: 2216 AKDT Jul 28 2021
  • 2316  PDT Jul 28 2021
  • 0616  UTC Jul 29 2021
• Coordinates: 55.5 North 157.9 West
• Depth: 11 miles
• Location: 96.5 kilometres (60 miles) SE of Chignik, Alaska
  • 797 kilometres (495 miles) SW of Anchorage, Alaska

Resources

The latest earthquake and tsunami reports are available from:

• USGS
• Natural Resources Canada
• National Tsunami Warning Center
• Environment Canada Alerts

Coastal B.C. Tsunami Notification Zones

• Zone A
• Zone B
• Zone C
• Zone D
• Zone E