Chile earthquakes

M4.1 earthquake 54 km W of Valparaíso, Chile

A magnitude 4.1 earthquake struck 54 km W of Valparaíso, Chile on Mon, May 1, 2017, 8:38 PM GMT-3 (23:38 UTC), 17 km (11 mi) below the surface.

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

Valparaíso 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
4.1 (Mwr, regional moment), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
2017-05-01 23:38:44 UTC
Depth
16.9 km (10.5 mi), shallow
Epicenter
33.022° S, 72.214° W
Region
Chile
Felt reports
3
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

3 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

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
4.1 Mwr
Nodal plane 1
Strike 351°, dip 23°, rake 87°
Nodal plane 2
Strike 174°, dip 67°, rake 91°

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 4.3 km horizontally, 5.4 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
184°, poorly surrounded by stations
Stations used
56

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 13 in the 60 days after this one and 142 in the 30 days before it.

After

  1. 4.257 km W of Valparaíso, Chile · 3440 days ago · 13 km deep · 5 km away
  2. 4.460 km W of Valparaíso, Chile · 3439 days ago · 18 km deep · 8 km away · felt by 2
  3. 3.971 km W of Valparaíso, Chile · 3437 days ago · 8 km deep · 20 km away
  4. 3.9Off the coast of Valparaiso, Chile · 3433 days ago · 20 km deep · 81 km away
  5. 5.239 km WNW of Valparaíso, Chile · 3429 days ago · 15 km deep · 20 km away · felt by 12
  6. 4.311 km S of Valparaíso, Chile · 3428 days ago · 31 km deep · 55 km away · felt by 2
  7. 4.262 km W of Valparaíso, Chile · 3426 days ago · 13 km deep · 10 km away
  8. 4.273 km W of Valparaíso, Chile · 3424 days ago · 12 km deep · 19 km away · felt by 1
  9. 4.151 km WNW of Valparaíso, Chile · 3419 days ago · 16 km deep · 12 km away · felt by 1
  10. 3.949 km WNW of Valparaíso, Chile · 3412 days ago · 17 km deep · 11 km away · felt by 3
  11. 4.262 km W of Valparaíso, Chile · 3412 days ago · 18 km deep · 12 km away
  12. 4.558 km W of Valparaíso, Chile · 3401 days ago · 10 km deep · 6 km away · felt by 7
  13. 4.321 km W of Valparaíso, Chile · 3399 days ago · 26 km deep · 33 km away · felt by 15

Before

  1. 3.961 km W of Valparaíso, Chile · 3441 days ago · 16 km deep · 8 km away
  2. 4.251 km WSW of Valparaíso, Chile · 3443 days ago · 20 km deep · 23 km away
  3. 4.247 km WSW of Valparaíso, Chile · 3443 days ago · 21 km deep · 25 km away · felt by 2
  4. 3.948 km WSW of Valparaíso, Chile · 3443 days ago · 22 km deep · 27 km away · felt by 1
  5. 3.817 km SW of Valparaíso, Chile · 3443 days ago · 22 km deep · 42 km away
  6. 5.136 km WSW of Valparaíso, Chile · 3443 days ago · 19 km deep · 32 km away · felt by 25
  7. 4.444 km WSW of Valparaíso, Chile · 3443 days ago · 20 km deep · 27 km away · felt by 1
  8. 4.439 km WNW of Cartagena, Chile · 3443 days ago · 20 km deep · 46 km away · felt by 1
  9. 3.864 km WSW of Valparaíso, Chile · 3443 days ago · 21 km deep · 22 km away
  10. 4.138 km WSW of Valparaíso, Chile · 3443 days ago · 22 km deep · 32 km away · felt by 1
  11. 3.850 km WSW of Valparaíso, Chile · 3443 days ago · 23 km deep · 27 km away · felt by 1
  12. 4.239 km SW of Valparaíso, Chile · 3444 days ago · 26 km deep · 38 km away · felt by 2
  13. 4.145 km WNW of Cartagena, Chile · 3444 days ago · 20 km deep · 40 km away · felt by 2
  14. 5.340 km SW of Valparaíso, Chile · 3444 days ago · 18 km deep · 37 km away · felt by 10
  15. 4.551 km WSW of Valparaíso, Chile · 3444 days ago · 19 km deep · 24 km away · felt by 1
  16. 3.750 km WNW of Cartagena, Chile · 3444 days ago · 20 km deep · 35 km away · felt by 1
  17. 4.244 km WSW of Valparaíso, Chile · 3444 days ago · 22 km deep · 25 km away
  18. 4.651 km WSW of Valparaíso, Chile · 3444 days ago · 22 km deep · 21 km away · felt by 1
  19. 4.347 km WSW of Valparaíso, Chile · 3444 days ago · 20 km deep · 25 km away · felt by 1
  20. 4.639 km NW of Cartagena, Chile · 3444 days ago · 24 km deep · 42 km away · felt by 1

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event us10008mu6. Read Fri, Oct 2, 2026, 6:39 AM UTC.