M4.5 earthquake 37 km NW of Valparaíso, Chile
A magnitude 4.5 earthquake struck 37 km NW of Valparaíso, Chile on Wed, Jul 17, 1985, 9:37 AM GMT-4 (13:37 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.5 31 km NNW of Valparaíso, Chile. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.5 (mb), light
- Local time
- UTC
- 1985-07-17 13:37:26 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 32.826° S, 71.947° 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.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 11 in the 60 days after this one and 19 in the 30 days before it.
After
- 5.531 km NNW of Valparaíso, Chile · 15043 days ago · 33 km deep · 23 km away
- 5.129 km W of Valparaíso, Chile · 15042 days ago · 33 km deep · 27 km away
- 4.698 km W of Cartagena, Chile · 15040 days ago · 33 km deep · 96 km away
- 4.539 km W of Valparaíso, Chile · 15022 days ago · 33 km deep · 30 km away
- 4.442 km W of Valparaíso, Chile · 15021 days ago · 33 km deep · 34 km away
- 4.434 km WNW of Cartagena, Chile · 15015 days ago · 33 km deep · 67 km away
- 4.280 km WNW of Cartagena, Chile · 15013 days ago · 33 km deep · 76 km away
- 4.881 km WNW of Cartagena, Chile · 15005 days ago · 33 km deep · 77 km away
- 4.647 km WNW of Cartagena, Chile · 15004 days ago · 33 km deep · 71 km away
- 4.274 km WSW of Valparaíso, Chile · 15003 days ago · 33 km deep · 63 km away
- 3.289 km WSW of Valparaíso, Chile · 14985 days ago · 33 km deep · 76 km away
Before
- 4.979 km WSW of Valparaíso, Chile · 15045 days ago · 33 km deep · 68 km away
- 4.570 km W of Cartagena, Chile · 15047 days ago · 33 km deep · 88 km away
- 3.574 km W of Valparaíso, Chile · 15048 days ago · 33 km deep · 50 km away
- 5.545 km W of Valparaíso, Chile · 15048 days ago · 29 km deep · 23 km away
- 4.837 km WNW of Valparaíso, Chile · 15051 days ago · 45 km deep · 6 km away
- 4.454 km WNW of Valparaíso, Chile · 15051 days ago · 33 km deep · 26 km away
- 4.520 km WSW of Valparaíso, Chile · 15052 days ago · 33 km deep · 34 km away
- 4.6Off the coast of Valparaiso, Chile · 15052 days ago · 10 km deep · 31 km away
- 4.769 km W of Valparaíso, Chile · 15053 days ago · 10 km deep · 44 km away
- 6.042 km WNW of Valparaíso, Chile · 15053 days ago · 31 km deep · 18 km away
- 4.769 km WNW of Cartagena, Chile · 15053 days ago · 29 km deep · 74 km away
- 4.865 km W of Cartagena, Chile · 15054 days ago · 33 km deep · 78 km away
- 4.365 km W of Cartagena, Chile · 15054 days ago · 33 km deep · 83 km away
- 5.553 km WNW of Cartagena, Chile · 15054 days ago · 40 km deep · 66 km away
- 4.568 km WNW of Cartagena, Chile · 15055 days ago · 33 km deep · 73 km away
- 5.557 km WNW of Cartagena, Chile · 15055 days ago · 33 km deep · 73 km away
- 5.134 km WNW of Cartagena, Chile · 15065 days ago · 33 km deep · 66 km away
- 4.511 km SW of Valparaíso, Chile · 15066 days ago · 33 km deep · 38 km away
- 4.461 km W of San Antonio, Chile · 15071 days ago · 33 km deep · 95 km away
Earthquakes todayChile earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002gv6. Read Wed, Sep 23, 2026, 3:22 AM UTC.