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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Abra Pampa in Argentina


Earthquake location -22.8372S, -66.1937WA light earthquake magnitude 4.5 (ml/mb) strikes 52 kilometers (32 miles) from Abra Pampa in Argentina on Tuesday. The temblor was detected at 17:54:44 / 5:54 pm (local time epicenter). All ids that are associated to the event: us6000rtp8. Unique identifier: us6000rtp8. Exact location of earthquake, longitude -66.1937 West, latitude -22.8372 South, depth = 255.163 km. Exact time and date of earthquake 09/12/25 / 2025-12-09 17:54:44 / December 9, 2025 @ 5:54 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 255.163 km (159 miles).

Close country/countries that might be effected, Argentina (c. 41 343 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Humahuaca, Abra Pampa. Epicenter of the earthquake was 96 km (59 miles) from Humahuaca (c. 11 400 pop), 53 km (33 miles) from Abra Pampa (c. 9 400 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 seven and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 52 km WSW of Abra Pampa, Argentina.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -66.1937° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -22.8372° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 255.163 km Depth of the event in kilometers.
Place 52 km WSW of Abra Pampa, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-09 17:54:44 Time when the event occurred. UTC/GMT
Updated 2025-12-09 21:20:11 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 312 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 104 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.834 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.84 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 32 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 us6000rtp8 Id of event.
Event Code 6000rtp8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rtp8, A comma-separated list of event ids that are associated to an event.

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