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Light earthquake, 4.3 mag strikes near Aratoca in Colombia

Posted by admin on October 16, 2025 0 Comments

A light earthquake magnitude 4.3 (ml/mb) strikes 5 kilometers (3 miles) from Aratoca in Colombia on Thursday. Global time and date of event 16/10/25 / 2025-10-16 04:11:16 / October 16, 2025 @ 4:11 am UTC/GMT. Exact location of earthquake, longitude -73.0377 West, latitude 6.741 North, depth = 162.163 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 04:11:16 / 4:11 am (local time epicenter). Unique identifier: us6000rhfn. Ids that are associated to the event: us6000rhfn. The earthquake was roughly at a depth of 162.163 km (101 miles).

The epicenter was 44 km (27 miles) from Bucaramanga (c. 571 800 pop), 36 km (22 miles) from Floridablanca (c. 252 300 pop), 39 km (24 miles) from Girón (c. 108 500 pop), 27 km (17 miles) from Piedecuesta (c. 86 400 pop), 83 km (51 miles) from Pamplona (c. 53 600 pop), 23 km (14 miles) from San Gil (c. 33 600 pop). Nearby country/countries that might be effected, Colombia (c. 47 790 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sabana de Torres, Toledo, Belén (min 5000 pop).

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

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 5 km NNW of Aratoca, Colombia.

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	-73.0377° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	6.741° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	162.163 km	Depth of the event in kilometers.
Place	5 km NNW of Aratoca, Colombia	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-10-16 04:11:16	Time when the event occurred. UTC/GMT
Updated	2025-10-16 04:45:48	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	30	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.276	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.64 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	112	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	us6000rhfn	Id of event.
Event Code	6000rhfn	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rhfn,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.3 mag strikes near Aratoca in Colombia

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