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Moderate mag. 4.1 earthquake - 5.4 mi west of Cobb, Lake County, California, USA, on 2019-06-10 23:46:25 -08:00

Moderate magnitude 4.1 earthquake at 2 km depth

11 Jun 07:49 UTC: First to report: USGS after 3 minutes.
Jun 11 07:52: Magnitude recalculated from 3.7 to 4.1.
Hypocenter depth recalculated from 1.6 to 2.0 km.

Earthquake details

Date & time	Jun 11, 2019 07:46:25 UTC
Local time at epicenter	2019-06-10 23:46:25 -08:00
Status	Confirmed
Magnitude	4.1
Depth	2.0 km
Epicenter latitude / longitude	38.81367°N / 122.82333°W (Sonoma, California, United States)
Antipode	38.814°S / 57.177°E
Shaking intensity	Moderate shaking near epicenter
Felt	1 report
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Clear Lake (18 km / 11 mi)
Nearby towns and cities	9 km (5 mi) W of Cobb (pop: 1,780) \| Show on map \| Quakes nearby 17 km (10 mi) E of Cloverdale (Sonoma County) (pop: 8,810) \| Show on map \| Quakes nearby 23 km (14 mi) N of Russian River (Sonoma County) (pop: 11,700) \| Show on map \| Quakes nearby 23 km (15 mi) SW of Clearlake (Lake County) (pop: 15,200) \| Show on map \| Quakes nearby 30 km (18 mi) N of Windsor (Sonoma County) (pop: 27,500) \| Show on map \| Quakes nearby 43 km (26 mi) NNW of Santa Rosa (pop: 175,000) \| Show on map \| Quakes nearby 50 km (31 mi) SE of Ukiah (pop: 15,900) \| Show on map \| Quakes nearby 54 km (33 mi) NNW of Rohnert Park (pop: 42,400) \| Show on map \| Quakes nearby 67 km (41 mi) NNW of Petaluma (pop: 60,400) \| Show on map \| Quakes nearby 118 km (73 mi) WNW of Sacramento (pop: 490,700) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	8.9 x 10¹⁰ joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) \| about seismic energy

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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.	Depth	Location	Source
4.1	2 km	7km NW of The Geysers, CA (USA)	USGS
4.1	2 km	Northern California (USA)	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in the US California

Seismograms

Seismic station: Columbia College, Columbia, CA, USA (CMB/BK network) | Distance from quake: 229 km / 142 mi | Show on map | Station Info

Seismic station Columbia College, Columbia, CA, 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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Seismic station Columbia College, Columbia, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Columbia College, Columbia, CA, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: NVAR Array Site 31, Mina, NV, USA (NV31/IM network) | Distance from quake: 408 km / 253 mi | Show on map | Station Info

Seismic station NVAR Array Site 31, Mina, NV, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station NVAR Array Site 31, Mina, NV, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station NVAR Array Site 31, Mina, NV, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Corvallis, Oregon, USA (COR/IU network) | Distance from quake: 643 km / 400 mi | Show on map | Station Info

Seismic station Corvallis, Oregon, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Corvallis, Oregon, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Corvallis, Oregon, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Pinon Flat, California, USA (PFO/II network) | Distance from quake: 813 km / 505 mi | Show on map | Station Info

Seismic station Pinon Flat, California, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Pinon Flat, California, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Pinon Flat, California, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: PDAR Array, Pinedale, WY, USA (PD31/IM network) | Distance from quake: 1198 km / 745 mi | Show on map | Station Info

Seismic station PDAR Array, Pinedale, WY, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Orland, Glenn, California (123.2 km NNE of epicenter) [Map] / Very weak shaking (MMI II) (reported through our app)

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