Skip to content

News · Around town · Aleutians West Census Area · Alaska

Magnitude 4.0 earthquake recorded southeast of Chuginadak Island

A magnitude 4.0 earthquake was recorded Saturday in the North Pacific Ocean, 47 miles southeast of Chuginadak Island.

Magnitude 4.0 earthquake recorded southeast of Chuginadak Island

Key takeaways

  • Magnitude 4.0 earthquake recorded Saturday, Sept. 19, 2026.
  • The event occurred at 3:44 a.m. Alaska time.
  • The epicenter was listed 47 miles southeast of Chuginadak Island.
  • The earthquake was in the North Pacific Ocean, within the Aleutians West Census Area.

A magnitude 4.0 earthquake occurred Saturday morning in the North Pacific Ocean, 47 miles southeast of Chuginadak Island in Alaska’s Aleutians West Census Area.

The earthquake was recorded at 3:44 a.m. on Sept. 19, 2026, in the GMT-9 time zone. Its listed location places the event offshore, southeast of Chuginadak Island.

Event details

  • Magnitude: 4.0
  • Date: Saturday, Sept. 19, 2026
  • Time: 3:44 a.m. (GMT-9)
  • Location: North Pacific Ocean, 47 miles southeast of Chuginadak Island
  • Area: Aleutians West Census Area, Alaska

Location

Chuginadak Island is part of Alaska’s Aleutian Islands. The earthquake’s listed epicenter was in the North Pacific Ocean rather than on the island itself.

The event was identified as a moderate magnitude 4.0 earthquake. The record gives the time, magnitude and location but does not establish whether people felt the shaking or whether there was damage.

What to watch

Further earthquake information may clarify the event’s recorded location and other technical details. Local authorities or emergency agencies would provide any public updates affecting communities in the Aleutians West Census Area.

What to watch

  • Any later technical updates about the earthquake’s location or measurement.
  • Public notices from local or state emergency agencies.

Was this useful?

Related stories