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Light earthquake: M4.7 quake has struck near Belen in Argentina


Earthquake location -27.9273S, -66.8358WA light earthquake with magnitude 4.7 (ml/mb) was detected on Saturday, 36 kilometers (22 miles) from Belen in Argentina. The epicenter was at a depth of 192.8 km (120 miles). The temblor was reported at 13:40:44 / 1:40 pm (local time epicenter). All ids that are associated to the event: us2000dbqs. Unique identifier: us2000dbqs. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 03/03/18 / 2018-03-03 16:40:44 / March 3, 2018 @ 4:40 pm. Exact location of earthquake, longitude -66.8358 West, latitude -27.9273 South, depth = 192.8 km.

Epicenter of the earthquake was 73 km (45 miles) from Tinogasta (c. 14 500 pop), 63 km (39 miles) from Andalgalá (c. 14 100 pop), 73 km (45 miles) from Arauco (c. 13 700 pop), 81 km (50 miles) from Fiambalá (c. 8 100 pop). Country/countries that might be effected, Argentina (c. 41 343 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Fiambalá, Tinogasta, Arauco (min 5000 pop).

Each year there are an estimated 13,000 light quakes 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 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 nearby.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 36 km SSE of Belen, Argentina.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -66.8358° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -27.9273° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 192.8 km Depth of the event in kilometers.
Place 36km SSE of Belen, Argentina Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-03-03 16:40:44 Time when the event occurred. UTC/GMT
Updated 2018-03-03 17:40:29 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 340 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 2.311 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 37 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 us2000dbqs Id of event.
Event Code 2000dbqs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dbqs, A comma-separated list of event ids that are associated to an event.

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