Earthquake · reviewed by a seismologist
M 2.2md
Earthquake near West Bishop, CA
No earthquake was likely felt in West Bishop in the 24 hours to 12:57 pm PST (20:57 UTC). The last one was M 2.3, 15 km (10 mi) WNW, at 4:24 pm PDT on 24 October 2026, estimated intensity II (weak) in town. Every earthquake near West Bishop
This page: a magnitude 2.2 earthquake was recorded 20 km (12 mi) west-northwest of West Bishop, CA, at 3:46 pm PDT on 24 October 2019 (22:46 UTC), 12 km deep.
USGS: 7km WSW of Round Valley, CA
- When
- 3:46 pm PDT on 24 October 2019 ()
- Where
- 20 km (12 mi) west-northwest of West Bishop, CA · earthquakes near West Bishop
- Magnitude
- M 2.2 (md)
- Depth
- 12 km below the surface
- Felt
- no reports yet
- Nearest
- Mono County, 60 km NNW
- Nearest mapped fault
- Round Valley fault, 11 km from its surface trace — near is not the same as on
- Status
- Reviewed by a seismologist
USGS · last changed by USGS · we first saw it 2568 days ago
Earthquake alerts for West Bishop, CA
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Alerts are on for .
Not a warning. An alert comes after USGS publishes a quake, usually minutes after the shaking. For early warning use ShakeAlert, through your phone's Wireless Emergency Alerts or the MyShake app.
This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.
At this magnitude and depth, people at rest would likely notice it out to about 14 km (9 mi) from the epicentre. In West Bishop, 20 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: Dixon Lane-Meadow Creek, Bishop.
How big was it?
This earthquake released about 56 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.2 would have released about 32 times as much.
- Mineral, Virginia 2011 M 5.8 270,000× the energy of this one
- Magna, Utah 2020 M 5.7 190,000× the energy of this one
- Around the size people start to feel M 3.0 17× the energy of this one
- This earthquake M 2.2 about 56 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
The largest earthquake within 50 km since 2016 was M 4.8 on 2016-02-16 — about 7,700 times the energy of this one.
Before 2016, the USGS record lists 38 earthquakes of M5 or more within 50 km; the five largest:
- 6.4 The 1986 Chalfant Valley, California Earthquake · 26 km NE of this epicentre
- 6.2 9 km SW of Aspen Springs, California · 16 km NW of this epicentre
- 6.1 11 km WNW of Aspen Springs, California · 26 km NNW of this epicentre
- 6.1 8 km W of Aspen Springs, California · 21 km NNW of this epicentre
- 6.1 4 km NNW of Round Valley, California · 9 km NE 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 37.3962, -118.6753. Map © OpenStreetMap contributors.
Nearby places
| Place | Distance | Direction from the epicentre | |
|---|---|---|---|
| Mono County, CA | 60 km (38 mi) | NNW | earthquakes near Mono County |
| Madera County, CA | 97 km (60 mi) | WSW | earthquakes near Madera County |
| Esmeralda County, NV | 101 km (63 mi) | ENE | earthquakes near Esmeralda County |
| Mariposa County, CA | 111 km (69 mi) | W | earthquakes near Mariposa County |
| Fresno County, CA | 112 km (70 mi) | SW | earthquakes near Fresno County |
| Tuolumne County, CA | 133 km (83 mi) | WNW | earthquakes near Tuolumne County |
Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.
Aftershocks so far
56 earthquakes have been recorded within 50 km since this one.
- 2.1 18km SW of Toms Place, CA
- 1.6 12km E of Mammoth Lakes, CA
- 1.8 12km E of Mammoth Lakes, CA
- 2.0 12km E of Mammoth Lakes, CA
- 2.0 4km NNE of Big Pine, CA
- 2.4 12km E of Mammoth Lakes, CA
- 2.8 12km E of Mammoth Lakes, CA
- 2.2 4km W of Mammoth Lakes, CA
- 1.8 13km SE of Mammoth Lakes, CA
- 1.8 13km SE of Mammoth Lakes, CA
- 1.5 10km E of Mammoth Lakes, CA
- 1.5 11km E of Mammoth Lakes, CA
- 1.8 16km WSW of Toms Place, CA
- 1.8 26km SW of Big Pine, CA
- 1.8 25km SW of Big Pine, 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
- The official USGS event page — the source of record for every value above
- Did you feel it? Report it to USGS — reports go to USGS, not to us
- ShakeMap for this event, when USGS has produced one
QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.