Moderate mag. 4.1 earthquake - Placer County, 8.1 mi southeast of Truckee, Nevada County, California, USA, on Thursday, August 30, 2018 at 22:08 (GMT)

Moderate mag. 4.1 earthquake - Placer County, 8.1 mi southeast of Truckee, Nevada County, California, USA, on Thursday, August 30, 2018 at 22:08 (GMT)

Moderate magnitude 4.1 earthquake at 8 km depth

30 Aug 22:13 UTC: First to report: EMSC after 5 minutes.
Hypocenter depth recalculated from 1.0 to 8.0 km.
Date & time: Aug 30, 2018 22:08:08 UTC
Magnitude: 4.1
Depth: 8.0 km
Epicenter latitude / longitude: 39.23°N / 120.1°W (Placer, California, United States)
Antipode: 39.23°S / 59.9°E
Nearest volcano: Steamboat Springs (37 km / 23 mi)
Nearby towns and cities:
2 km (1 mi) WNW of Carnelian Bay (pop: 524) --> See nearby quakes!
10 km (6 mi) NNE of Sunnyside-Tahoe City (Placer County) (pop: 1,560) --> See nearby quakes!
13 km (8 mi) SE of Truckee (pop: 16,300) --> See nearby quakes!
30 km (18 mi) WNW of Carson City (Nevada) (pop: 54,500) --> See nearby quakes!
34 km (21 mi) NNW of South Lake Tahoe (El Dorado County) (pop: 21,700) --> See nearby quakes!
41 km (26 mi) SW of Reno (Nevada) (pop: 241,400) --> See nearby quakes!
45 km (28 mi) SW of Sparks (Nevada) (pop: 96,100) --> See nearby quakes!
49 km (31 mi) SW of Sun Valley (Washoe County, Nevada) (pop: 19,300) --> See nearby quakes!
58 km (36 mi) SW of Spanish Springs (Washoe County, Nevada) (pop: 15,100) --> See nearby quakes!
141 km (87 mi) ENE of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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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
4.18 km NORTHERN CALIFORNIAEMSC
3.82.1 km- 5km W of Tahoe Vista, CAUSGS
shake map
(shakemap: USGS)

User reports for this quake (29)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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221.9 km NW of epicenter [Map] / not felt : Awake. Moving around, in a one story house. Not felt.  
Coloma, CA 95613 / Light shaking (MMI IV) : Located approximately 70 miles from Tahoe I was working at my computer when I felt a short, sharp jerk and the entire house creaked loudly, but nothing displaced from the quake.  
Fernley, NV / not felt : Didn't feel or sense anything, however I was driving at the time.Hi Dutch!  
Grass Valley (82.7 km W of epicenter) [Map] / Weak shaking (MMI III) (reported through our app)
Kings beach ca / Light shaking (MMI IV)
Northstar Ski Resort / Moderate shaking (MMI V) : Sharp jolt.  
65.6 km W of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Hayward (244.4 km SW of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)
UCD Hospital / Weak shaking (MMI III)
West Sacramento, CA / Weak shaking (MMI III)
Gold Run ca (65.6 km W of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Nevada City, CA / Light shaking (MMI IV) : Thought a heavy truck might be passing by  
Georgetown / Light shaking (MMI IV)
36.9 km ENE of epicenter [Map] / Weak shaking (MMI III) (reported through our app)
Placerville, ca (80.8 km SW of epicenter) [Map] / Light shaking (MMI IV) : House shook (reported through our app)  
Incline Village / Moderate shaking (MMI V)
Grass Valley, CA / Light shaking (MMI IV)
Roseville / Very weak shaking (MMI II)
Truckee, CA / Light shaking (MMI IV)
truckee, ca / Light shaking (MMI IV)
26.6 km ENE of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Diamond Springs (United States of America, 86 km SW of epicenter) : Shook my house (reported through EMSC)  
Nevada City (United States, 79 km W of epicenter) : I felt a steady rumble and got up to take cover in case it got worse.It was over in less than 10 seconds.Very unsettling feeling no matter how small they are. (reported through EMSC)  
Carson City (United States, 31 km E of epicenter) : Working! The whole building shook! (reported through EMSC)  
Tahoe Vista (United States, 7 km E of epicenter) : About 5 seconds of moderate shaking. No damage. Definitely an earthquake. (reported through EMSC)  
Glen Ellen (United States of America, 230 km SW of epicenter) : Felt a small rattle (reported through EMSC)  
South Lake Tahoe (United States, 35 km S of epicenter) : Brief shake short. Live in South Lake Tahoe,ca (reported through EMSC)  
Truckee (United States of America, 14 km NW of epicenter) : This thinks woke me up from a nap on the third story, then all of my neighbors were discussing it in the parking lot (reported through EMSC)  
Truckee (United States of America, 14 km NW of epicenter) : I’ve been through a lot of earthquakes in San Ramon, Ca this is the first for Truckee and it was pretty scary! (reported through EMSC)  
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