Light mag. 3.2 earthquake - 0.1 mi west of Pleasant Hill, Contra Costa County, California, USA, on 2019-10-15 18:11:58 -08:00

Light mag. 3.2 earthquake - 0.1 mi west of Pleasant Hill, Contra Costa County, California, USA, on 2019-10-15 18:11:58 -08:00

Light magnitude 3.2 earthquake at 14 km depth

16 Oct 02:15 UTC: First to report: USGS after 3 minutes.
Oct 16 20:04: Magnitude recalculated from 3.4 to 3.2.
Hypocenter depth recalculated from 14.8 to 14.3 km.
Date & time: 16 Oct 2019 02:11:58 UTC
Local time at epicenter: 2019-10-15 18:11:58 -08:00
Magnitude: 3.2
Depth: 14.3 km
Epicenter latitude / longitude: 37.94817°N / 122.06183°W (Contra Costa County, California, United States)
Nearest volcano: Clear Lake (129 km / 80 mi)
Nearby towns and cities:
0 km (0 mi) WNW of Pleasant Hill (pop: 34,800) --> See nearby quakes!
4 km (3 mi) SW of Concord (pop: 128,700) --> See nearby quakes!
5 km (3 mi) N of Walnut Creek (pop: 68,900) --> See nearby quakes!
10 km (6 mi) SE of Martinez (pop: 38,100) --> See nearby quakes!
18 km (11 mi) WSW of New York of the Pacific (pop: 69,400) --> See nearby quakes!
20 km (13 mi) ENE of Berkeley (pop: 121,000) --> See nearby quakes!
23 km (14 mi) WSW of Antioch (pop: 110,500) --> See nearby quakes!
37 km (23 mi) ENE of San Francisco (pop: 864,800) --> See nearby quakes!
69 km (43 mi) NNW of San Jose (pop: 1,026,900) --> See nearby quakes!
86 km (54 mi) SW of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 109 joules (1.11 megawatt hours, equivalent to 0.951 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.
MagnitudeDepthLocationSource
M 3.415 kmSan Francisco Bay Area, Calif. (USA)EMSC
M 3.214 km0km WNW of Pleasant Hill, CA (USA)USGS

User reports for this quake (58)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Walnut creek / Light shaking (MMI IV) : It was only a second and I heard it more than felt it.
Foster city / not felt
Estudillo St 94553 / Strong shaking (MMI VI) : Car alarms in the area went off. Birds and squirrels started to chirp. Lots of people in the neighborhood ran out side. Trees where still moving after the quake.
Orinda (13.4 km WSW of epicenter) [Map] / Light shaking (MMI IV)
Martinez / Light shaking (MMI IV)
1.9 km SSE of epicenter [Map] / Very weak shaking (MMI II)
25.6 km S of epicenter [Map] / Light shaking (MMI IV)
Pittsburg, CA / Weak shaking (MMI III) : The house started to shake. The sofa was shaking.
5 km NE of epicenter [Map] / Light shaking (MMI IV) : Definately felt it. A lot shorter and weaker than last night's. A bit of a rumble, then a shift and then a roll for a few seconds. The shift scared the cat for a bit. Husband watching tv upstairs didn't feel it. (reported through our app)
Concord, Ca (6.5 km NE of epicenter) [Map] / Light shaking (MMI IV)
43.7 km N of epicenter [Map] / Very weak shaking (MMI II) (reported through our app)
Walnut Creek (2 km SSW of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
4 km NNE of epicenter [Map] / Weak shaking (MMI III) : 3 second jolt rattled house and frame of door and had short rumble. (reported through our app)
San Francisco / not felt
Concord, CA / Very weak shaking (MMI II) : Felt like a brief bump, wasn't even quite sure it was really an earthquake until my roommate said "Did you feel that?" and my friend in Walnut Creek quickly text messaged me the same thing.
Pleasant Hill / Light shaking (MMI IV) : Quick jolt and then a rumble
Novato, Blackpoint (43.1 km WNW of epicenter) [Map] / not felt : My dog looked about and knew..bulldogs tilt their head and he felt it. (reported through our app)
Pittsburg / Light shaking (MMI IV)
Martinez / Weak shaking (MMI III)
23.9 km SW of epicenter [Map] / not felt (reported through our app)
6.3 km S of epicenter [Map] / Light shaking (MMI IV) (reported through our app)
Orinda (United States of America, 14 km SW of epicenter) : One of my three dogs noticed, other two slept. (reported through EMSC)
Orinda (United States of America, 13 km SW of epicenter) : Just a quick little shake. Less than 5 seconds. (reported through EMSC)
Orinda (United States of America, 13 km SW of epicenter) : Quick rumbling jolt. Shook my desk (reported through EMSC)
Pittsburg (United States of America, 11 km NE of epicenter) : Felt it in Bay Point.. (reported through EMSC)
Martinez (United States of America, 11 km NW of epicenter) : Brief jolt (reported through EMSC)
Lafayette (United States of America, 10 km SW of epicenter) : Small shake (reported through EMSC)
Martinez (United States of America, 10 km NW of epicenter) : I’m (reported through EMSC)
Martinez (United States of America, 10 km NW of epicenter) : My animals all went a little crazy (reported through EMSC)
Martinez (United States of America, 10 km NW of epicenter) : yesterdays was much scarier things fell off my mothers shelf she lives on canyon way (reported through EMSC)
Concord (United States of America, 8 km E of epicenter) : House creaked twice, about 1/2 sec apart. No movement felt. (reported through EMSC)
Martinez (United States of America, 8 km NW of epicenter) : Felt like a sudden impact to the house. But it was quick. (reported through EMSC)
Martinez (United States of America, 6 km NW of epicenter) : Martinez! Little shake (reported through EMSC)
Martinez (United States of America, 6 km NW of epicenter) : Quick thump. (reported through EMSC)
Walnut Creek (United States of America, 6 km SE of epicenter) : Not again (reported through EMSC)
Walnut Creek (United States of America, 5 km S of epicenter) : Slight shake (reported through EMSC)
Walnut Creek (United States of America, 5 km S of epicenter) : Just a small tremor. Quick shake for a second or two. In downtown WC, on the second floor. (reported through EMSC)
Walnut Creek (United States of America, 5 km S of epicenter) : A quick rattle of windows. Almost non noticable. (reported through EMSC)
Walnut Creek (United States of America, 5 km S of epicenter) : Quick jolt, windows rattled, toning fell (reported through EMSC)
Concord (United States of America, 5 km N of epicenter) : Heard it first, then felt a rumbling shake. (reported through EMSC)
Concord (United States of America, 5 km NE of epicenter) : Just a small nudge. Nothing showing in the feed yet. (reported through EMSC)
Walnut Creek (United States of America, 5 km S of epicenter) : Walnut Creek jolt. (reported through EMSC)
Concord (United States of America, 5 km NE of epicenter) : We felt an aftershock. Scared the shit out of us. Nothing was broken. (reported through EMSC)
Concord (United States of America, 5 km NE of epicenter) : it was just like ooooo my chair shake for like a second (reported through EMSC)
Concord (United States of America, 5 km NE of epicenter) : There was a slight drop and shake for a few seconds. (reported through EMSC)
Walnut Creek (United States of America, 4 km S of epicenter) : Rumble and mild shake in Walnut Creek. (reported through EMSC)
Concord (United States of America, 4 km NW of epicenter) : Single jolt (reported through EMSC)
Concord (United States of America, 3 km N of epicenter) : Quick but intense jolt (reported through EMSC)
Concord (United States of America, 3 km NE of epicenter) : Concord just felt another minor (reported through EMSC)
Concord (United States of America, 3 km NE of epicenter) : Light but very noticeable shake (reported through EMSC)
Walnut Creek (United States of America, 3 km SW of epicenter) : Slight sway side to side in Walnut Creek near Pleasant Hill (reported through EMSC)
Concord (United States of America, 3 km NE of epicenter) : We felt a quick shake Concord California (reported through EMSC)
Walnut Creek (United States of America, 3 km S of epicenter) : a second or two of slight shaking (reported through EMSC)
Walnut Creek (United States of America, 2 km S of epicenter) : Slight shake (reported through EMSC)
Pleasant Hill (United States of America, 2 km W of epicenter) : Quick jolt and lasted few seconds (reported through EMSC)
Walnut Creek (United States of America, 2 km S of epicenter) : 2-3 seconds of rattling (reported through EMSC)
Pleasant Hill (United States of America, 0 km SW of epicenter) : I felt it a little bit, just 1 second (reported through EMSC)
Pleasant Hill (United States of America, 0 km SW of epicenter) : Sudden and short. Dogs even barked this time! (reported through EMSC)
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