Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Minor mag. 1.2 earthquake - 4km N of Millville, CA, on Tuesday, Nov 30, 2021 at 7:28 am (GMT -8) -

Minor magnitude 1.2 earthquake at 11 km depth

30 Nov 15:31 UTC: First to report: USGS after 3 minutes.
30 Nov 19:08: Magnitude recalculated from 0.9 to 1.2. Hypocenter depth recalculated from 9.2 to 10.9 km (from 5.7 to 6.8 mi). Epicenter location corrected by 1.2 km (0.7 mi) towards SE.

Earthquake details

Date & time	Nov 30, 2021 15:28:53 UTC -
Local time at epicenter	Tuesday, Nov 30, 2021 at 7:28 am (GMT -8)
Status	Confirmed
Magnitude	1.2
Depth	10.9 km
Epicenter latitude / longitude	40.58517°N / 122.175°W (California, United States)
Antipode	40.585°S / 57.825°E
Shaking intensity	Not felt
Felt
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Lassen (58 km / 36 mi)
Nearby towns and cities	4 km (2 mi) N of Millville (pop: 727) \| Show on map \| Quakes nearby 8 km (5 mi) SE of Bella Vista (pop: 2,780) \| Show on map \| Quakes nearby 18 km (11 mi) E of Redding (pop: 91,600) \| Show on map \| Quakes nearby 18 km (11 mi) NE of Anderson (Shasta County) (pop: 10,200) \| Show on map \| Quakes nearby 20 km (12 mi) ESE of Lake Shasta (Shasta County) (pop: 10,200) \| Show on map \| Quakes nearby 20 km (12 mi) ESE of Lake Shasta (pop: 10,200) \| Show on map \| Quakes nearby 26 km (16 mi) WNW of Shingletown (pop: 2,280) \| Show on map \| Quakes nearby 46 km (28 mi) N of Red Bluff (Tehama County) (pop: 14,100) \| Show on map \| Quakes nearby 73 km (45 mi) N of Corning (Tehama County) (pop: 7,550) \| Show on map \| Quakes nearby 100 km (62 mi) NNW of Chico (pop: 90,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Clear Sky 8.9°C (48 F), humidity: 72%, wind: 2 m/s (3 kts) from E
Estimated seismic energy released	4 x 10⁶ joules (1.11 kilowatt hours) \| about seismic energy

Show interactive Map

[smaller] [bigger]

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
1.2	10.9 km	4km N of Millville, CA	USGS
1.2	10.9 km	Northern California	RaspberryShake

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

Seismograms

Seismic station: Crater Lake Bunk House (CLBH/CC network) | Distance from quake: 258 km / 160 mi | Show on map | Station Info

Seismic station Crater Lake Bunk House: 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: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Show less

Seismic station Crater Lake Bunk House: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake Bunk House: 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: Crater Lake, Wizard Island, OR (WIZ/CC network) | Distance from quake: 261 km / 162 mi | Show on map | Station Info

Seismic station Crater Lake, Wizard Island, OR: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Wizard Island, OR: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Wizard Island, OR: 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: Crater Lake, Cleetwood Cove, OR, USA (CLCV/CC network) | Distance from quake: 266 km / 165 mi | Show on map | Station Info

Seismic station Crater Lake, Cleetwood Cove, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Crater Lake, Cleetwood Cove, OR, 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: Marconi Conference Center, Marshall, CA, USA (MCCM/BK network) | Distance from quake: 278 km / 173 mi | Show on map | Station Info

Seismic station Marconi Conference Center, Marshall, CA, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Marconi Conference Center, Marshall, CA, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Marconi Conference Center, Marshall, CA, 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: Surveyor's Cave, OR, USA (SVIC/CC network) | Distance from quake: 348 km / 216 mi | Show on map | Station Info

Seismic station Surveyor's Cave, OR, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Surveyor's Cave, OR, 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

User reports for this quake

At magnitude 1.2, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Design upgrade
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes