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Strong mag. 5.2 earthquake - North Pacific Ocean, 81 mi west of Brookings, Curry County, Oregon, USA, on 2019-10-28 03:01:04 -08:00

Strong mag. 5.2 earthquake - North Pacific Ocean, 81 mi west of Brookings, Curry County, Oregon, USA, on 2019-10-28 03:01:04 -08:00 Strong mag. 5.2 earthquake - North Pacific Ocean, 81 mi west of Brookings, Curry County, Oregon, USA, on 2019-10-28 03:01:04 -08:00

Strong magnitude 5.2 earthquake at 10 km depth

28 Oct 11:06 UTC: First to report: USGS after 5 minutes.
Oct 28 11:07: Magnitude recalculated from 5.2 to 4.4.
Hypocenter depth recalculated from 1.0 to 4.0 km.
Oct 28 11:44: Magnitude recalculated from 4.4 to 4.9.
Hypocenter depth recalculated from 4.0 to 10.0 km.
Oct 28 16:04: Magnitude recalculated from 4.9 to 5.3.
Oct 29 02:04: Magnitude recalculated from 5.3 to 5.2.

Earthquake details

Date & timeOct 28, 2019 11:01:04 UTC
Local time at epicenter2019-10-28 03:01:04 -08:00
StatusConfirmed
Magnitude5.2
Depth10.0 km
Epicenter latitude / longitude41.89117°N / 125.83667°W (North Pacific Ocean, United States)
Antipode41.891°S / 54.163°E
Shaking intensityLight shaking
Felt5 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoNorth Gorda Ridge (126 km / 78 mi)
Nearby towns and cities130 km (81 mi) W of Brookings (Curry County) (pop: 6,480) | Show on map | Quakes nearby
130 km (81 mi) WSW of Ellensburg (pop: 2,280) | Show on map | Quakes nearby
136 km (85 mi) W of Crescent City (Del Norte County) (pop: 6,770) | Show on map | Quakes nearby
179 km (111 mi) NW of McKinleyville (Humboldt County) (pop: 15,200) | Show on map | Quakes nearby
180 km (112 mi) SW of Bandon (pop: 3,120) | Show on map | Quakes nearby
185 km (115 mi) NW of Eureka (Humboldt County) (pop: 27,000) | Show on map | Quakes nearby
186 km (115 mi) NW of Arcata (Humboldt County) (pop: 17,800) | Show on map | Quakes nearby
188 km (117 mi) NW of Bayside (Humboldt County) (pop: 17,100) | Show on map | Quakes nearby
197 km (122 mi) SW of Coquille (pop: 3,860) | Show on map | Quakes nearby
211 km (131 mi) SW of Coos Bay (Coos County) (pop: 16,200) | Show on map | Quakes nearby
Estimated seismic energy released4 x 1012 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT) | 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.
Mag.DepthLocationSource
5.210 km130km W of Brookings, OR (USA)USGS
4.910 kmOff Coast Of Northern California (USA)EMSC
5.310 kmOff Coast of Oregon (USA)GFZ

Seismograms

Seismic station: Corvallis, Oregon, USA (COR/IU network) | Distance from quake: 363 km / 226 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. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User reports for this quake (12)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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50 km of Tonopah, Nye, Nevada (837.2 km ESE of epicenter) [Map] / not felt (reported through our app)
Oakland ca / not felt
Grants Pass / Very weak shaking (MMI II)
Pasadena, CA / not felt : Didn’t feel any shaking but woke up this morning and all of the framed pictures in the house were at odd angles - every room  
Ca (568.9 km SE of epicenter) [Map] / Very weak shaking (MMI II) : Another fracking quake. America is the largest exporter of oil in the world. Stop fracking. (reported through our app)  
santa monica, ca 90405 (1089.1 km SE of epicenter) [Map] / Weak shaking (MMI III) : slight movement and hanging baskets and lights moved slightly and very slowly. lasted ~40secs.  
near Willow Creek, Humboldt, California (197.7 km ESE of epicenter) [Map] / Moderate shaking (MMI V)
33 km of Winston, Douglas, Oregon (208.6 km NE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
Newport, Lincoln, Oregon (346.3 km NNE of epicenter) [Map] / not felt (reported through our app)
Bothell / not felt
Port Orford Oregon / not felt
Orchards, Clark, Washington (491.5 km NNE of epicenter) [Map] / not felt (reported through our app)

Aftershocks

[More info]

Recorded aftershocks, latest first (1 quake)

Date and timeMag
Depth
LocationDetails
Oct 28, 2019 11:46
3 years ago
3.6

1.5 km
North Pacific Ocean, 74 mi W of Brookings, Curry County, Oregon, USAMore

Earlier earthquakes in the same area

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