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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 28 km NE of San Martín, Argentina

Posted by admin on October 24, 2025 0 Comments

Earthquake location -31.2173S, -68.329WA light earthquake with magnitude 4.6 (ml/mb) was detected on Thursday, 28 kilometers (17 miles) from San Martín in Argentina. Date and time of earthquake in UTC/GMT: 23/10/25 / 2025-10-23 21:22:02 / October 23, 2025 @ 9:22 pm. The earthquake occurred at a depth of 116.928 km (73 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 21:22:02 / 9:22 pm (local time epicenter). All ids that are associated to the event: us6000rj0i. Unique identifier: us6000rj0i. Exact location, longitude -68.329° West, latitude -31.2173° South, depth = 116.928 km.

Nearby country/countries that might be effected, Argentina (c. 41 343 000 pop). Earthquake epicenter was 41 km (25 miles) from San Juan (c. 447 000 pop), 35 km (22 miles) from Chimbas (c. 73 800 pop), 39 km (24 miles) from Santa Lucía (c. 43 600 pop), 57 km (36 miles) from Pocito (c. 41 000 pop), 49 km (30 miles) from Caucete (c. 33 600 pop), 31 km (19 miles) from Albardón (c. 20 400 pop), 37 km (23 miles) from Villa Paula de Sarmiento (c. 19 100 pop). Nearest cities/city/villages to epicentrum/hypocenter was Pocito, Nueve de Julio, Caucete (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-one earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 28 km NE of San Martín, Argentina. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -68.329° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.2173° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 116.928 km Depth of the event in kilometers.
Place 28 km NE of San Martín, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-23 21:22:02 Time when the event occurred. UTC/GMT
Updated 2025-10-24 00:40:13 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 326 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 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.439 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.07 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 74 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 us6000rj0i Id of event.
Event Code 6000rj0i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rj0i, A comma-separated list of event ids that are associated to an event.

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