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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Calilegua in Argentina

Earthquake location -23.572S, -64.78WA light earthquake with magnitude 4.4 (ml/mb) was reported 22 kilometers (14 miles) from Calilegua in Argentina on Saturday. The earthquake occurred at a depth of 22 km (14 miles) below the earth’s surface. Exact location of event, depth 22 km, -64.78° West, -23.572° South. Event id: us100048va. Ids that are associated to the earthquake: us100048va. The 4.4-magnitude earthquake has occurred at 13:55:33 / 1:55 pm (local time epicenter). Global time and date of event 19/12/15 / 2015-12-19 16:55:33 / December 19, 2015 @ 4:55 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities/towns to epicentrum/hypocenter was Palpalá, San Salvador de Jujuy, Embarcación (min 5000 pop). Nearby country/countries that might be effected, Argentina (c. 41 343 000 pop). The epicenter was 87 km (54 miles) from San Salvador de Jujuy (c. 305 900 pop), 67 km (42 miles) from San Ramón de la Nueva Orán (c. 74 100 pop), 74 km (46 miles) from San Pedro (c. 58 400 pop), 26 km (16 miles) from Libertador General San Martín (c. 49 300 pop), 88 km (55 miles) from Palpalá (c. 48 200 pop), 81 km (50 miles) from Embarcación (c. 24 000 pop).

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

Did you feel the quake?

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: 22 km N of Calilegua, Argentina. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -64.78° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.572° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22 km Depth of the event in kilometers.
Place 22km N of Calilegua, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-19 16:55:33 Time when the event occurred. UTC/GMT
Updated 2016-01-18 14:32:40 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 298 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.54 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us100048va Id of event.
Event Code 100048va An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100048va, A comma-separated list of event ids that are associated to an event.

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