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Another earthquake hits Pacific Northwest bringing total to 87 in past month

Oct 4, 2024, 11:55 AM

Vancouver earthquake...

Another earthquake hits the Pacific Northwest. (USGS map with circle added)

(USGS map with circle added)

Early Friday morning, a 3.9 magnitude earthquake struck near Vancouver, British Columbia. The reported the tremor occurred about 2 a.m. in the Salish Sea, about 15 miles west of Vancouver.

The noted the quake originated 38 miles below the surface, causing mild tremors felt in Vancouver and on Vancouver Island. No immediate reports of damage or injuries were made.

Related news: Fourth earthquake in a week shakes up Western Washington

If you experienced the earthquake, please report it to the

In the past month, the Pacific Northwest has experienced 87 earthquakes of magnitude 1.5 or greater,

The good news is that it’s not necessarily an indication of a more severe earthquake. The bad news is a significant earthquake in the region is long overdue.

鈥淎n earthquake like this is going to shake the hell out of the coast,鈥 Earth Sciences Information Officer for the Oregon Department of Geology and Mineral Industries, James Roddey, told the

Roddey said a recurring 9.0-average magnitude event is known as the Cascadia earthquake. It last struck the region in 1700, according to the USGS.

Sun sets on September: Why October may bring brilliant fall colors to Washington

Here are the details of the four notable earthquakes in the Pacific Northwest in September and early October:

On October 2, there was a 4.0 magnitude earthquake off the Oregon coast:

  • Time: 3:24 p.m.
  • Location: Approximately 150 miles from the Oregon coast.
  • Depth: 8 miles beneath the ocean鈥檚 surface.
  • Impact: Moderate tremors were felt across coastal areas,

Also on October 2, there was a 4.1 tremor Southwest of Port McNeill, Canada:

  • Time: 8:35 a.m.
  • Location: Southwest of Port McNeill, Vancouver Island.
  • Depth: 6 miles beneath the seabed.
  • Impact: Mild shaking was felt in coastal communities, but no significant damage or injuries were reported, according to earthquaketrack.com.

On October 1, there was a 2.7 earthquake near Bremerton, WA:

  • Time: 10:49 a.m.
  • Location: Bremerton, WA.
  • Depth: 16 miles.
  • Impact: Mild tremors were felt, part of a series of three earthquakes in the Puget Sound region within a week, according to USGS.

And on September 30, a 2.7 quake struck 12 miles North-Northeast of Kootenai, Idaho:

  • Time: 8:15 a.m.
  • Location: Near McArthur Lake, halfway between Sandpoint and Bonners Ferry.
  • Depth: 6 miles.
  • Impact: Weak to light-intensity tremors were felt in the surrounding areas, according to USGS.

Bill Kaczaraba is a content editor at MyNorthwest. You can read his stories here. Follow Bill on X, formerly known as Twitter, and email him here.听

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Another earthquake hits Pacific Northwest bringing total to 87 in past month