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Light earthquake: M4.1 quake has struck near San Martín in Argentina


Earthquake location -31.3618S, -68.2134WA light earthquake magnitude 4.1 (ml/mb) has struck on Monday, 28 kilometers (17 miles) from San Martín in Argentina. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 112.188 km, -68.2134° West, -31.3618° South. Global date and time of event UTC/GMT: 24/02/25 / 2025-02-24 21:03:12 / February 24, 2025 @ 9:03 pm. The temblor was reported at 21:03:12 / 9:03 pm (local time epicenter). Id of earthquake: us6000pv7n. Event ids that are associated: us6000pv7n. The epicenter of the earthquake was roughly 112.188 km (70 miles) below the earth’s surface.

Nearest cities/city/villages to epicentrum/hypocenter was Pocito, Nueve de Julio, San Juan (min 5000 pop). Country/countries that might be effected, Argentina (c. 41 343 000 pop). The epicenter was 36 km (23 miles) from San Juan (c. 447 000 pop), 33 km (21 miles) from Chimbas (c. 73 800 pop), 33 km (21 miles) from Santa Lucía (c. 43 600 pop), 50 km (31 miles) from Pocito (c. 41 000 pop), 33 km (20 miles) from Caucete (c. 33 600 pop), 31 km (19 miles) from Albardón (c. 20 400 pop).

There are an estimated 13,000 light quakes 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 one, in the past 30 days three and in the last 365 days twenty-two earthquakes of magnitude 3.0 or greater that has struck near.

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

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -68.2134° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.3618° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 112.188 km Depth of the event in kilometers.
Place 28 km ENE 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 2025-02-24 21:03:12 Time when the event occurred. UTC/GMT
Updated 2025-02-25 03:24:55 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 259 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 23 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.442 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 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 us6000pv7n Id of event.
Event Code 6000pv7n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000pv7n, A comma-separated list of event ids that are associated to an event.

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