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Strong mag. 5.9 earthquake - 29 km west of Grande Cache, Alberta, Canada, on 2020-05-16 06:37:52 -07:00

Strong mag. 5.9 earthquake - 29 km west of Grande Cache, Alberta, Canada, on 2020-05-16 06:37:52 -07:00 Strong mag. 5.9 earthquake - 29 km west of Grande Cache, Alberta, Canada, on 2020-05-16 06:37:52 -07:00

Strong magnitude 5.9 earthquake at 9 km depth

16 May 13:46 UTC: First to report: USGS after 8 minutes.

Earthquake details

Date & timeMay 16, 2020 13:37:52 UTC
Local time at epicenter2020-05-16 06:37:52 -07:00
Depth9.1 km
Epicenter latitude / longitude53.8282°N / 119.575°W (Division No. 14, Alberta, Canada)
Antipode53.828°S / 60.425°E
Shaking intensityStrong shaking
Felt9 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoWells Gray-Clearwater (179 km / 111 mi)
Nearby towns and cities29 km (18 mi) WSW of Grande Cache (Alberta) (pop: 4,030) | Show on map | Quakes nearby
140 km (87 mi) WNW of Hinton (Division No. 14, Alberta) (pop: 9,890) | Show on map | Quakes nearby
157 km (98 mi) SSW of Grande Prairie (Alberta) (pop: 41,500) | Show on map | Quakes nearby
209 km (130 mi) E of Prince George (British Columbia) (pop: 65,600) | Show on map | Quakes nearby
355 km (221 mi) N of Kamloops (British Columbia) (pop: 68,700) | Show on map | Quakes nearby
386 km (240 mi) N of Okanagan (British Columbia) (pop: 297,600) | Show on map | Quakes nearby
391 km (243 mi) W of St. Albert (Alberta) (pop: 57,700) | Show on map | Quakes nearby
403 km (251 mi) W of Edmonton (Alberta) (pop: 712,400) | Show on map | Quakes nearby
423 km (263 mi) WNW of Red Deer (Alberta) (pop: 73,600) | Show on map | Quakes nearby
484 km (300 mi) NW of Calgary (Alberta) (pop: 1,019,900) | Show on map | Quakes nearby
Estimated seismic energy released4.5 x 1013 joules (12.4 gigawatt hours, equivalent to 10676 tons of TNT or 0.7 atomic bombs!) | about seismic energy
Show interactive Map
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
5.99.1 km29km WSW of Grande Cache, CanadaUSGS


Seismic station: Corvallis, Oregon, USA (COR/IU network) | Distance from quake: 1062 km / 660 mi | Show on map | Station Info
Seismic station Corvallis, Oregon, USA: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.02-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (16)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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BC / not felt : Does anyone know why this 5.9 quake is not recorded by USGS? I will attach a screenshot.  
Screenshot... .jpg (public domain)
Grande Cache (30.7 km ENE of epicenter) [Map] / Moderate shaking (MMI V) : Shook me out of bed this morning and knocked books off my shelf. No damage visible to my home but it was definitely strong  
Grande Cache (115.4 km E of epicenter) [Map] / Weak shaking (MMI III) : I was outside cleaning up my yard and the branches on the trees started shaking. My wife was inside and said she felt it strongly. This is the only site that says the earthquake exists so I’m very confused  
Sandy, People's Republic of Utah (1586.3 km SSE of epicenter) [Map] / Very weak shaking (MMI II) : Yes. Felt. (reported through our app)  
near Lethbridge, Alberta (658.1 km SE of epicenter) [Map] / Very weak shaking (MMI II)
98664 (937 km SSW of epicenter) [Map] / not felt : Felt nothing. (reported through our app)  
Jasper (100.2 km NE of epicenter) [Map] / Strong shaking (MMI VI)
Helena Valley Southeast, Lewis and Clark, Montana (966 km SE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Fort McMurray / Weak shaking (MMI III) : Definitely some movement here. It woke up my son and he came running to wake me because he had no clue what was happening. It was around when it happened but there is no reports of the earthquake existing so it might just be kids messing around  
Edmonton / Very weak shaking (MMI II) : I am in Edmonton Alberta and felt some light shaking. I am near train tracks so I assumed it was a train going by  
grand cache / not felt
Grande Cache / not felt
Hinton, Alberta 142 km south east of Gc / not felt : Not felt at all. 142 km southeast of Grande Cache  
Edmonton, AB / not felt
Calgary / not felt
South of grande prarie / Severe shaking (MMI VIII) : Knocked my cabin off it’s foundation  


[More info]

Recorded aftershocks, latest first (0 quake)

So far, no aftershocks have been registered.

Earlier earthquakes in the same area

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