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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near San Jose de Jachal in Argentina

Earthquake location -29.9971S, -68.1149WA light earthquake magnitude 4.5 (ml/mb) strikes 66 kilometers (41 miles) from San Jose de Jachal in Argentina on Sunday. Global time and date of event 24/12/17 / 2017-12-24 12:04:25 / December 24, 2017 @ 12:04 pm UTC/GMT. The epicenter of the earthquake was roughly 53.88 km (33 miles) below the earth’s surface. Exact location of event, longitude -68.1149 West, latitude -29.9971 South, depth = 53.88 km. The temblor was picked up at 09:04:25 / 9:04 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us1000bvm1. Id of event: us1000bvm1.

Close country/countries that might be effected, Argentina (c. 41 343 000 pop). Earthquake epicenter was 67 km (41 miles) from San José de Jáchal (c. 21 000 pop), 94 km (58 miles) from San Agustín de Valle Fértil (c. 6 900 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Agustín de Valle Fértil, San José de Jáchal.

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. 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 three earthquakes of magnitude 3.0 or greater that was reported nearby.

Questions or comments?

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. 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: 66 km ENE of San Jose de Jachal, Argentina.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -68.1149° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.9971° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.88 km Depth of the event in kilometers.
Place 66km ENE of San Jose de Jachal, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-24 12:04:25 Time when the event occurred. UTC/GMT
Updated 2018-01-12 07:32:24 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 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 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 1.619 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 55 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 us1000bvm1 Id of event.
Event Code 1000bvm1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bvm1, A comma-separated list of event ids that are associated to an event.

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