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Light earthquake, 4.5 mag has occurred near Villa Basilio Nievas in Argentina

Posted by admin on October 26, 2025 0 Comments

Earthquake location -31.7773S, -68.9856WA light earthquake with magnitude 4.5 (ml/mb) was reported 34 kilometers (21 miles) from Villa Basilio Nievas in Argentina on Sunday. Exact location of earthquake, longitude -68.9856 West, latitude -31.7773 South, depth = 109.259 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us6000rjjj. Event ids that are associated: us6000rjjj. Exact time and date of earthquake 26/10/25 / 2025-10-26 10:05:15 / October 26, 2025 @ 10:05 am UTC/GMT. The temblor was reported at 10:05:15 / 10:05 am (local time epicenter). The earthquake was roughly at a depth of 109.259 km (68 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Caucete, Calingasta, San Martín. Epicenter of the event was 50 km (31 miles) from San Juan (c. 447 000 pop), 54 km (33 miles) from Chimbas (c. 73 800 pop), 53 km (33 miles) from Santa Lucía (c. 43 600 pop), 39 km (25 miles) from Pocito (c. 41 000 pop), 68 km (42 miles) from Caucete (c. 33 600 pop), 58 km (36 miles) from Albardón (c. 20 400 pop), 53 km (33 miles) from Villa Paula de Sarmiento (c. 19 100 pop). Country/countries that might be effected, Argentina (c. 41 343 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. 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 four, in the past 30 days five and in the last 365 days thirty-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

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: 34 km SW of Villa Basilio Nievas, Argentina.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -68.9856° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.7773° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 109.259 km Depth of the event in kilometers.
Place 34 km SW of Villa Basilio Nievas, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-26 10:05:15 Time when the event occurred. UTC/GMT
Updated 2025-10-26 10:24:43 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 61 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.354 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 46 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 us6000rjjj Id of event.
Event Code 6000rjjj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rjjj, A comma-separated list of event ids that are associated to an event.

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