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The Cascadia subduction zone is a 960 km (600 mi) fault at a convergent plate boundary, about 100–200 km (70–100 mi) off the Pacific coast, that stretches from northern Vancouver Island in Canada to Northern California in the United States. It is capable of producing 9.0+ magnitude earthquakes and tsunamis that could reach 30 m (98 ft).
The area where the earthquake occurred is seismically active, although earthquakes with a magnitude of 7.0 or larger are infrequent. In the preceding 100 years, there were three events above M 6.5 within 250 km of the 22 January event, with the largest being a M 7.1 event in 1978, approximately 200 km to the north.
1946 Vancouver Island earthquake. / 49.62; -125.26. The 1946 Vancouver Island earthquake struck Vancouver Island on the coast of British Columbia, Canada, on June 23 at 10:15 a.m. [1] with a magnitude estimated at 7.0 Ms [2] and 7.5 Mw. [6] The main shock epicenter occurred in the Forbidden Plateau area northwest of Courtenay.
First supershear earthquake observed in an oceanic plate boundary 2015-04-24 South of Haida Gwaii: 51.62 -130.77 0 0 6.2 V 2012-11-08 West of Vancouver Island 49.23 -128.48 0 0 6.1 IV 2012-10-30 Haida Gwaii: 52.37 -131.90 0 0 6.2 Aftershock of 7.8 earthquake 2012-10-28 Haida Gwaii 52.67 -132.60 0 0 6.3 V Aftershock of 7.8 earthquake
5.0–5.9. 732. 4.0–4.9. 6,451. ← 2023. This is a list of earthquakes in 2024. Only earthquakes of magnitude 6 or above are included, unless they result in significant damage and/or casualties. All dates are listed according to UTC time. The maximum intensities are based on the Modified Mercalli intensity scale.
The 2010 Central Canada earthquake occurred with a moment magnitude of 5.0 in Central Canada on 23 June at about 13:41:41 EDT and lasted about 30 seconds. [3] [4] The epicentre was situated approximately 56 kilometres (35 mi) north of Ottawa, Ontario, [5] in the municipality of Val-des-Bois, Quebec. [6] Canada's capital, Ottawa, declared this ...
ShakeAlert is an earthquake early warning system (EEW) in the United States, developed and operated by the United States Geological Survey (USGS) and its partners. [1] As of 2021, the system issues alerts for the country's West Coast (specifically the states of California, Oregon and Washington ). It is expected that the system will be expanded ...
Explainer. NEW JERSEY - New Jersey was rattled by a 2.2 magnitude earthquake on Wednesday morning, according to the U.S. Geological Survey. The earthquake happened around 2 a.m. nearly 3.1 miles ...