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Light earthquake, 4.5 mag strikes near San Martin in Argentina

Posted by admin on December 4, 2015 0 Comments

Earthquake location -31.1815S, -68.2309WA light earthquake magnitude 4.5 (ml/mb) has occurred on Friday, 38 kilometers (24 miles) from San Martin in Argentina. The earthquake was roughly at a depth of 100.17 km (62 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude -68.2309 West, latitude -31.1815 South, depth = 100.17 km. The temblor was picked up at 14:57:25 / 2:57 pm (local time epicenter). Event ids that are associated to the earthquake: us100043e9. Id of event: us100043e9. Date and time of earthquake in UTC/GMT: 04/12/15 / 2015-12-04 17:57:25 / December 4, 2015 @ 5:57 pm.

Epicenter of the event was 49 km (30 miles) from San Juan (c. 447 000 pop), 44 km (27 miles) from Chimbas (c. 73 800 pop), 47 km (29 miles) from Santa Lucía (c. 43 600 pop), 65 km (40 miles) from Pocito (c. 41 000 pop), 53 km (33 miles) from Caucete (c. 33 600 pop), 40 km (25 miles) from Albardón (c. 20 400 pop), 45 km (28 miles) from Villa Paula de Sarmiento (c. 19 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was San Agustín de Valle Fértil, Pocito, Nueve de Julio (min 5000 pop). Country/countries that might be effected, Argentina (c. 41 343 000 pop).

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 two and in the last 365 days eighteen earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light quakes in the world each year.

Did you feel it?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 38 km NNE of San Martin, Argentina. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -68.2309° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.1815° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 100.17 km Depth of the event in kilometers.
Place 38km NNE of San Martin, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-04 17:57:25 Time when the event occurred. UTC/GMT
Updated 2015-12-04 22:28:10 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 312 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 0.531 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 139 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 us100043e9 Id of event.
Event Code 100043e9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100043e9, A comma-separated list of event ids that are associated to an event.

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