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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag strikes near San Agustín de Valle Fértil in Argentina


Earthquake location -30.2789S, -67.4757WA light earthquake magnitude 4.9 (ml/mb) has occurred on Friday, 39 kilometers (24 miles) from San Agustín de Valle Fértil in Argentina. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -67.4757 West, latitude -30.2789 South, depth = 27.888 km. The temblor was detected at 20:42:25 / 8:42 pm (local time epicenter). The epicenter was at a depth of 27.888 km (17 miles). Id of earthquake: us6000r37j. Event ids that are associated: us6000r37j. Global time and date of event 22/08/25 / 2025-08-22 20:42:25 / August 22, 2025 @ 8:42 pm UTC/GMT.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Agustín de Valle Fértil. Nearby country/countries, Argentina (c. 41 343 000 pop) (That might be effected). Event epicenter was 39 km (25 miles) from San Agustín de Valle Fértil (c. 6 900 pop).

There are an estimated 13,000 light quakes in the world each year. 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 two earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 39 km N of San Agustín de Valle Fértil, Argentina.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude -67.4757° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.2789° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 27.888 km Depth of the event in kilometers.
Place 39 km N of San Agustín de Valle Fértil, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-08-22 20:42:25 Time when the event occurred. UTC/GMT
Updated 2025-08-22 20:59:49 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 369 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 94 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.628 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.26 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 31 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mww The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us6000r37j Id of event.
Event Code 6000r37j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000r37j, A comma-separated list of event ids that are associated to an event.

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