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Light earthquake: M4.3 quake has struck near Talcahuano in Chile

Posted by admin on December 3, 2025 0 Comments

Earthquake location -36.0812S, -73.7875WA light earthquake with magnitude 4.3 (ml/mb) was reported 93 kilometers (58 miles) from Talcahuano in Chile on Wednesday. The earthquake occurred at a depth of 22.237 km (14 miles) below the earth’s surface. The temblor was picked up at 01:42:45 / 1:42 am (local time epicenter). Exact location of earthquake, -73.7875° West, -36.0812° South, depth 22.237 km. Global time and date of event 03/12/25 / 2025-12-03 01:42:45 / December 3, 2025 @ 1:42 am UTC/GMT. All ids that are associated to the event: us6000rs48. Unique identifier: us6000rs48. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearest cities/city/villages to epicentrum/hypocenter was Talcahuano (min 5000 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Event epicenter was 93 km (58 miles) from Talcahuano (c. 253 000 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days ten earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 93 km NW of Talcahuano, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -73.7875° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -36.0812° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.237 km Depth of the event in kilometers.
Place 93 km NW of Talcahuano, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-03 01:42:45 Time when the event occurred. UTC/GMT
Updated 2025-12-03 01:54:24 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 284 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 32 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.949 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 199 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 us6000rs48 Id of event.
Event Code 6000rs48 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rs48, A comma-separated list of event ids that are associated to an event.

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