QuakeIndex

Earthquake · reviewed by a seismologist

M 1.7md

Earthquake near Bella Vista, CA

No earthquake was likely felt in Bella Vista in the 24 hours to 11:05 pm PST (07:05 UTC). The last one was M 4.4, 124 km (77 mi) WSW, at 3:21 pm PDT on 5 August 2026, estimated intensity II (weak) in town; 122 felt reports to USGS. Every earthquake near Bella Vista

This page: a magnitude 1.7 earthquake was recorded 7 km (4 mi) west of Bella Vista, CA, at 11:11 pm PST on 28 January 2023 (07:11 UTC), 19 km deep.

USGS: 6km W of Bella Vista, CA

10 km (6 mi) NNE of Redding, CA · 107 km (66 mi) NNW of Chico, CA

11:11 pm PST, Jan 28, 2023 · · 19 km deep · released about 11 lb of TNT

10 km30 km60 km120 km N Shasta County 26 kmTehama County 58 kmTrinity County 68 kmSiskiyou County 107 kmGlenn County 116 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
11:11 pm PST on 28 January 2023 ()
Where
7 km (4 mi) west of Bella Vista, CA · earthquakes near Bella Vista
Magnitude
M 1.7 (md)
Depth
19 km below the surface
Felt
no reports yet
Nearest
Shasta County, 26 km ENE
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 1379 days ago

This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

At this magnitude and depth it was probably too small to be felt, even directly above it. In Bella Vista, 7 km away, the estimate is intensity II (weak). Estimated from magnitude, depth and distance with the intensity equation USGS Did You Feel It? uses; felt reports, where there are any, are the measurement.

Earthquakes near other towns within 30 km: Shasta Lake, Redding, Palo Cedro, Shasta, Anderson.

How big was it?

This earthquake released about 11 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 2.7 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 1,300,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 930,000× the energy of this one
  3. Around the size people start to feel M 3.0 83× the energy of this one
  4. This earthquake M 1.7 about 11 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists one earthquake of M5 or more within 50 km:

  1. 5.1 7km NW of Redding, CA · 9 km WSW of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 40.6440, -122.3095. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Shasta County, CA 26 km (16 mi) ENE earthquakes near Shasta County
Tehama County, CA 58 km (36 mi) S earthquakes near Tehama County
Trinity County, CA 68 km (42 mi) W earthquakes near Trinity County
Siskiyou County, CA 107 km (66 mi) N earthquakes near Siskiyou County
Glenn County, CA 116 km (72 mi) S earthquakes near Glenn County
Butte County, CA 124 km (77 mi) SSE earthquakes near Butte County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

57 earthquakes have been recorded within 50 km since this one.

  1. 2.4 14 km NNE of Red Bluff, CA
  2. 1.5 4 km NE of Millville, CA
  3. 1.5 0 km WSW of Shasta Lake, CA
  4. 2.4 18 km WSW of Shasta, CA
  5. 1.8 5 km E of Round Mountain, CA
  6. 1.9 5 km E of Round Mountain, CA
  7. 1.9 13 km NNE of Shingletown, CA
  8. 1.8 9 km NE of Shasta Lake, CA
  9. 1.5 18 km NNE of Bella Vista, CA
  10. 2.2 13 km NNE of Shingletown, CA
  11. 1.6 8 km NNW of Bella Vista, CA
  12. 1.6 14 km NNE of Shingletown, CA
  13. 3.1 13 km NNE of Shingletown, CA
  14. 2.4 13 km NNE of Shingletown, CA
  15. 1.9 5 km ENE of Redding, CA

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.