A magnitude 5.2 earthquake has struck the coast of Vancouver Island.
According to the US Geological Survey (USGS), the seismic event took place on Friday evening at 7:14 pm PST in the Port Hardy area.
EARTHQUAKE Mag=4.9 on 22 May at 19:14 PDT.
Details : https://t.co/En7VGZP3Hj
129 km W of Port Alice, BC
— Earthquakes Canada (@CANADAquakes) May 23, 2020
Earthquakes Canada says that there are no reports of damage and no tsunami expected.
The USGS says that the earthquake had a depth of 10 km. It struck 307 km west of Campbell River and 295 km northwest of Tofino.
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Last December, British Columbia saw a peculiar string of seismic activity — nine earthquakes over a three-day span.
Thousands of earthquakes occur in BC every year, but only a small fraction of these tremors have a notable magnitude of 3.0 and over.
An increase in an earthquake’s magnitude of 1.0 — such as the difference between a magnitude 4.0 earthquake and a magnitude 5.0 earthquake — is a 10-fold difference in the energy of an earthquake.
As a further example, a magnitude 8.0 earthquake is 1,000 times more powerful than a magnitude 5.0 earthquake. Shallow earthquakes with a magnitude of 5.0 can still cause significant damage when the epicentre is near urban areas, and the impact is amplified with a shallow depth.