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Light earthquake, 4.6 mag has occurred near Villa General Roca in Argentina

Posted by admin on September 21, 2025 0 Comments

Earthquake location -31.9244S, -66.9156WA light earthquake magnitude 4.6 (ml/mb) strikes 93 km NNW of Villa General Roca, Argentina (58 miles) on Sunday. The 4.6-magnitude earthquake was detected at 09:08:58 / 9:08 am (local time epicenter). 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: 21/09/25 / 2025-09-21 09:08:58 / September 21, 2025 @ 9:08 am. Exact location of event, longitude -66.9156 West, latitude -31.9244 South, depth = 138.171 km. The earthquake occurred at a depth of 138.171 km (86 miles). All ids that are associated to the event: us7000qxnx. Unique identifier: us7000qxnx.

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 one, in the past 30 days one and in the last 365 days seven earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 93 km NNW of Villa General Roca, Argentina.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -66.9156° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.9244° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 138.171 km Depth of the event in kilometers.
Place 93 km NNW of Villa General Roca, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-21 09:08:58 Time when the event occurred. UTC/GMT
Updated 2025-09-21 09:28:39 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 99 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.542 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us7000qxnx Id of event.
Event Code 7000qxnx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qxnx, A comma-separated list of event ids that are associated to an event.

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