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Light earthquake, 4.7 mag strikes near Calingasta in Argentina

Posted by admin on December 20, 2025 0 Comments

Earthquake location -30.9566S, -68.9904WA light earthquake magnitude 4.7 (ml/mb) strikes 58 kilometers (36 miles) from Calingasta in Argentina on Saturday. Exact location of event, depth 113.901 km, -68.9904° West, -30.9566° South. The temblor was picked up at 06:29:36 / 6:29 am (local time epicenter). The earthquake occurred at a depth of 113.901 km (71 miles) below the earth’s surface. Event id: us6000rw5q. Ids that are associated to the earthquake: us6000rw5q. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 20/12/25 / 2025-12-20 06:29:36 / December 20, 2025 @ 6:29 am.

Epicenter of the event was 78 km (48 miles) from San Juan (c. 447 000 pop), 73 km (45 miles) from Chimbas (c. 73 800 pop), 80 km (50 miles) from Santa Lucía (c. 43 600 pop), 90 km (56 miles) from Pocito (c. 41 000 pop), 83 km (52 miles) from San José de Jáchal (c. 21 000 pop), 69 km (43 miles) from Albardón (c. 20 400 pop), 74 km (46 miles) from Villa Paula de Sarmiento (c. 19 100 pop). Close country/countries that might be effected, Argentina (c. 41 343 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Nueve de Julio, Pocito, San José de Jáchal (min 5000 pop).

Each year there are an estimated 13,000 light quakes in the world. 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 twenty-five earthquakes of magnitude 3.0 or greater that have been detected nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

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 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: 58 km NE of Calingasta, Argentina.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -68.9904° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.9566° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 113.901 km Depth of the event in kilometers.
Place 58 km NE of Calingasta, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-20 06:29:36 Time when the event occurred. UTC/GMT
Updated 2025-12-20 06:44:55 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 340 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 33 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.648 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 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 us6000rw5q Id of event.
Event Code 6000rw5q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rw5q, A comma-separated list of event ids that are associated to an event.

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