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Light earthquake, 4.1 mag has occurred near Villa Presidente Frei in Chile

Posted by admin on July 21, 2025 0 Comments

Earthquake location -33.2245S, -70.0965WA light earthquake with magnitude 4.1 (ml/mb) was reported 52 kilometers (32 miles) from Villa Presidente Frei in Chile on Monday. The earthquake occurred at a depth of 103.955 km (65 miles) below the earth’s surface. Exact location of earthquake, -70.0965° West, -33.2245° South, depth 103.955 km. The temblor was detected at 05:23:50 / 5:23 am (local time epicenter). Exact time and date of event in UTC/GMT: 21/07/25 / 2025-07-21 05:23:50 / July 21, 2025 @ 5:23 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us7000qe72. Ids that are associated to the event: us7000qe72.

Earthquake epicenter was 57 km (36 miles) from Santiago (c. 4 837 300 pop), 62 km (38 miles) from Puente Alto (c. 510 400 pop), 69 km (43 miles) from San Bernardo (c. 249 900 pop), 64 km (40 miles) from La Pintana (c. 201 200 pop), 63 km (39 miles) from Lo Prado (c. 104 300 pop), 84 km (52 miles) from Peñaflor (c. 65 500 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Talagante, Llaillay, Paine (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days fourteen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light quakes in the world.

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 52 km ENE of Villa Presidente Frei, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -70.0965° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.2245° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 103.955 km Depth of the event in kilometers.
Place 52 km ENE of Villa Presidente Frei, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-07-21 05:23:50 Time when the event occurred. UTC/GMT
Updated 2025-07-21 15:20:32 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI The maximum reported intensity for the event.
MMI The maximum estimated instrumental intensity for the event.
Alert Level The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status reviewed Indicates whether the event has been reviewed by a human.
Tsunami 0 This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG 259 A number describing how significant the event is. Larger numbers indicate a more significant event.
Network us The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources ,us, A comma-separated list of network contributors.
Number of Stations Used 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.183 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mb The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us7000qe72 Id of event.
Event Code 7000qe72 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qe72, A comma-separated list of event ids that are associated to an event.

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