QuakeIndex

Fault · California

Coachella Fan Fault Zone

19 kmlong (12 mi), as mapped
not measuredhow fast it slips
< 15,000 yearssince it last broke the surface
27quakes of M2.5+ within 10 km since 2016

Updated , with the latest earthquake of M2.5 or more within 10 km of the trace: M 2.8, 17 km NNE of Indio, CA.

In plain English

Its most recent surface rupture is younger than 15,000 years.

This week vs. its last ten years

0/100

quiet

No quakes of M1.5+ within 5 km of the trace in the last 7 days. A normal week: 0–0.

Computed from the USGS catalogue · a description of the past, not a forecast · method

San Andreas faultElsinore faultSan Jacinto faultLenwood-Lockhart faultHelendale-South Lockhart faultCalico-Hidalgo faultPisgah-Bullion faultCamp Rock-Emerson-Copper Mountain faultPinto Mountain fault (includes Morongo Valley fault)Brawley Seismic ZoneNorth Frontal thrust systemJohnson Valley faultMesquite Lake faultSan Gorgonio Pass faultExtra faultBullion Mountains faultMecca Hills faultHomestead Valley faultHidden Spring faultIndio Hills Fault ZoneBurnt Mountain faultCrafton Hills faultBanning faultEureka Peak faultLong Canyon faultSkeleton Canyon faultHot Springs faultOld Woman Springs faultBeaumont Plain fault
The Coachella Fan Fault Zone as mapped at the surface (glowing), with the other mapped faults nearby and 27 of the M2.5+ earthquakes within 10 km of it since 2016 (dots). Traces: USGS Quaternary Fault and Fold Database. Historic epicentres are estimates.

Every year since 2016

Earthquakes of M2.5+ with an epicentre within 10 km of the mapped trace. Near is not the same as on: some will have slipped on neighbouring faults.

Most recent near it

  1. M 2.8 17 km NNE of Indio, CA
    2026-01-24 · 9 km from the trace
  2. M 2.8 17 km NNE of Indio, CA
    2026-01-20 · 9 km from the trace
  3. M 2.7 17 km NNE of Indio, CA
    2026-01-20 · 9 km from the trace
  4. M 3.5 17 km NNE of Indio, CA
    2026-01-20 · 9 km from the trace
  5. M 3.0 14 km ENE of Indio, CA
    2025-07-11 · 7 km from the trace
  6. M 2.7 13 km NE of Coachella, CA
    2025-04-07 · 7 km from the trace

Neighbouring faults

Fault trace, slip rate and age: USGS Quaternary Fault and Fold Database (public domain), simplified for the web. Earthquakes: USGS ComCat. QuakeIndex does not forecast earthquakes; a fault's history describes the past. For early warning use ShakeAlert.