Chile earthquakes

M3.8 earthquake 64 km WSW of Valparaíso, Chile

A magnitude 3.8 earthquake struck 64 km WSW of Valparaíso, Chile on Fri, Apr 28, 2017, 10:06 PM GMT-3 (01:06 UTC), 21 km (13 mi) below the surface.

A larger quake followed: M5.2 39 km WNW of Valparaíso, Chile. This one was a foreshock.

El Quisco forecastMore in Chile

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
3.8 (mwr), minor
Local time
UTC
2017-04-29 01:06:20 UTC
Depth
20.9 km (13.0 mi), shallow
Epicenter
33.208° S, 72.295° W
Region
Chile
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

Fault motion and ground failure

How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.

Faulting
Reverse (thrust)
Moment magnitude
3.8 Mwr
Nodal plane 1
Strike 146°, dip 74°, rake 65°
Nodal plane 2
Strike 25°, dip 30°, rake 145°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.2 km horizontally, 4.2 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
167°
Stations used
39

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 22 in the 60 days after this one and 133 in the 30 days before it.

After

  1. 4.439 km WNW of Cartagena, Chile · 3441 days ago · 20 km deep · 35 km away · felt by 1
  2. 4.444 km WSW of Valparaíso, Chile · 3441 days ago · 20 km deep · 23 km away · felt by 1
  3. 5.136 km WSW of Valparaíso, Chile · 3441 days ago · 19 km deep · 31 km away · felt by 25
  4. 3.817 km SW of Valparaíso, Chile · 3441 days ago · 22 km deep · 49 km away
  5. 3.948 km WSW of Valparaíso, Chile · 3441 days ago · 22 km deep · 20 km away · felt by 1
  6. 4.247 km WSW of Valparaíso, Chile · 3441 days ago · 21 km deep · 20 km away · felt by 2
  7. 4.251 km WSW of Valparaíso, Chile · 3441 days ago · 20 km deep · 15 km away
  8. 3.961 km W of Valparaíso, Chile · 3439 days ago · 16 km deep · 25 km away
  9. 4.154 km W of Valparaíso, Chile · 3438 days ago · 17 km deep · 22 km away · felt by 3
  10. 4.257 km W of Valparaíso, Chile · 3438 days ago · 13 km deep · 18 km away
  11. 4.460 km W of Valparaíso, Chile · 3436 days ago · 18 km deep · 16 km away · felt by 2
  12. 3.971 km W of Valparaíso, Chile · 3435 days ago · 8 km deep · 34 km away
  13. 3.9Off the coast of Valparaiso, Chile · 3431 days ago · 20 km deep · 60 km away
  14. 5.239 km WNW of Valparaíso, Chile · 3426 days ago · 15 km deep · 40 km away · felt by 12
  15. 4.311 km S of Valparaíso, Chile · 3425 days ago · 31 km deep · 61 km away · felt by 2
  16. 4.262 km W of Valparaíso, Chile · 3424 days ago · 13 km deep · 27 km away
  17. 4.273 km W of Valparaíso, Chile · 3422 days ago · 12 km deep · 24 km away · felt by 1
  18. 4.151 km WNW of Valparaíso, Chile · 3417 days ago · 16 km deep · 34 km away · felt by 1
  19. 3.949 km WNW of Valparaíso, Chile · 3410 days ago · 17 km deep · 33 km away · felt by 3
  20. 4.262 km W of Valparaíso, Chile · 3410 days ago · 18 km deep · 31 km away
  21. 4.558 km W of Valparaíso, Chile · 3398 days ago · 10 km deep · 16 km away · felt by 7
  22. 4.321 km W of Valparaíso, Chile · 3396 days ago · 26 km deep · 43 km away · felt by 15

Before

  1. 4.138 km WSW of Valparaíso, Chile · 3441 days ago · 22 km deep · 30 km away · felt by 1
  2. 3.850 km WSW of Valparaíso, Chile · 3441 days ago · 23 km deep · 18 km away · felt by 1
  3. 4.239 km SW of Valparaíso, Chile · 3441 days ago · 26 km deep · 34 km away · felt by 2
  4. 4.145 km WNW of Cartagena, Chile · 3441 days ago · 20 km deep · 29 km away · felt by 2
  5. 5.340 km SW of Valparaíso, Chile · 3441 days ago · 18 km deep · 32 km away · felt by 10
  6. 4.551 km WSW of Valparaíso, Chile · 3441 days ago · 19 km deep · 15 km away · felt by 1
  7. 3.750 km WNW of Cartagena, Chile · 3441 days ago · 20 km deep · 24 km away · felt by 1
  8. 4.244 km WSW of Valparaíso, Chile · 3441 days ago · 22 km deep · 21 km away
  9. 4.651 km WSW of Valparaíso, Chile · 3441 days ago · 22 km deep · 14 km away · felt by 1
  10. 4.347 km WSW of Valparaíso, Chile · 3441 days ago · 20 km deep · 19 km away · felt by 1
  11. 4.639 km NW of Cartagena, Chile · 3441 days ago · 24 km deep · 36 km away · felt by 1
  12. 3.639 km WSW of Valparaíso, Chile · 3441 days ago · 23 km deep · 28 km away
  13. 4.660 km WSW of Valparaíso, Chile · 3441 days ago · 10 km deep · 6 km away · felt by 1
  14. 5.818 km WSW of Valparaíso, Chile · 3441 days ago · 27 km deep · 47 km away · felt by 52
  15. 5.444 km WSW of Valparaíso, Chile · 3441 days ago · 22 km deep · 23 km away · felt by 2
  16. 4.551 km WSW of Valparaíso, Chile · 3441 days ago · 20 km deep · 19 km away · felt by 1
  17. 5.147 km WSW of Valparaíso, Chile · 3441 days ago · 10 km deep · 20 km away · felt by 2
  18. 4.645 km WSW of Valparaíso, Chile · 3441 days ago · 21 km deep · 24 km away · felt by 1
  19. 4.338 km SW of Valparaíso, Chile · 3441 days ago · 23 km deep · 33 km away
  20. 4.636 km SW of Valparaíso, Chile · 3441 days ago · 22 km deep · 34 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008lwf. Read Tue, Sep 29, 2026, 9:04 PM UTC.