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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.1 quake has struck near San Agustín de Valle Fértil in Argentina

Earthquake location -31.1563S, -67.301WA light earthquake magnitude 4.1 (ml/mb) has occurred on Monday, 60 kilometers (37 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). Id of earthquake: us7000d396. Event ids that are associated: us7000d396. Exact location of earthquake, longitude -67.301 West, latitude -31.1563 South, depth = 89.12 km. Exact time and date of event in UTC/GMT: 25/01/21 / 2021-01-25 21:38:30 / January 25, 2021 @ 9:38 pm. The earthquake occurred at a depth of 89.12 km (55 miles). The temblor was reported at 21:38:30 / 9:38 pm (local time epicenter).

Epicenter of the event was 60 km (37 miles) from San Agustín de Valle Fértil (c. 6 900 pop). Nearby country/countries that might be effected, Argentina (c. 41 343 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was San Agustín de Valle Fértil.

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

Did you feel the quake?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 60 km SSE of San Agustín de Valle Fértil, Argentina.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -67.301° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.1563° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 89.12 km Depth of the event in kilometers.
Place 60 km SSE 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 2021-01-25 21:38:30 Time when the event occurred. UTC/GMT
Updated 2021-02-03 03:30:36 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.917 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 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 us7000d396 Id of event.
Event Code 7000d396 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000d396, A comma-separated list of event ids that are associated to an event.

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