Minor mag. 1.4 earthquake - 8km NW of Big Bend, CA, on Sunday, Oct 24, 2021 6:47 am (GMT -7) -

Minor mag. 1.4 earthquake - 8km NW of Big Bend, CA, on Sunday, Oct 24, 2021 6:47 am (GMT -7)

Minor magnitude 1.4 earthquake at 6 km depth

24 Oct 13:49 UTC: First to report: USGS after 3 minutes.
24 Oct 16:48: Magnitude recalculated from 1.3 to 1.4. Hypocenter depth recalculated from 6.3 to 6.2 km (from 3.9 to 3.9 mi). Epicenter location corrected by 0.9 km (0.6 mi) towards E.
Date & time: Oct 24, 2021 13:47:13 UTC -
Local time at epicenter: Sunday, Oct 24, 2021 6:47 am (GMT -7)
Magnitude: 1.4
Depth: 6.2 km
Epicenter latitude / longitude: 41.06867°N / 121.969°W (California, United States)
Antipode: 41.069°S / 58.031°E
Nearest volcano: Mount Shasta (42 km / 26 mi)
Nearby towns and cities:
7 km (4 mi) NW of Big Bend (pop: 102) --> See nearby quakes!
25 km (16 mi) SE of McCloud (pop: 1,100) --> See nearby quakes!
33 km (21 mi) NW of Burney (pop: 3,150) --> See nearby quakes!
39 km (24 mi) SE of Mount Shasta (pop: 3,300) --> See nearby quakes!
55 km (34 mi) NE of Lake Shasta (Shasta County) (pop: 10,200) --> See nearby quakes!
55 km (34 mi) NE of Lake Shasta (pop: 10,200) --> See nearby quakes!
64 km (40 mi) NNE of Redding (pop: 91,600) --> See nearby quakes!
74 km (46 mi) NNE of Anderson (Shasta County) (pop: 10,200) --> See nearby quakes!
93 km (58 mi) SE of Shasta Butte City (pop: 7,600) --> See nearby quakes!
102 km (63 mi) NNE of Red Bluff (Tehama County) (pop: 14,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain 7.6°C (46 F), humidity: 99%, wind: 2 m/s (4 kts) from SW
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.9 x 106 joules (2.21 kilowatt hours) | about seismic energy
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.
1.46.2 km8km NW of Big Bend, CAUSGS

User reports for this quake (1)

At magnitude 1.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
LONG BEACH, CA / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
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:
  • Earthquake archive from 1900 onwards
  • 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!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.