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Light earthquake, 4 mag strikes near Aratoca in Colombia


Earthquake location 6.8273S, -73.0523WA light earthquake magnitude 4 (ml/mb) strikes 15 kilometers (9 miles) from Aratoca in Colombia on Tuesday. Exact location of event, depth 150.53 km, -73.0523° West, 6.8273° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 28/02/17 / 2017-02-28 09:24:38 / February 28, 2017 @ 9:24 am. The earthquake occurred at a depth of 150.53 km (94 miles). Event id: us20008mwt. Ids that are associated to the earthquake: us20008mwt. The temblor was detected at 04:24:38 / 4:24 am (local time epicenter).

Nearby country/countries, Colombia (c. 47 790 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Toledo, Sabana de Torres, Pamplona (min 5000 pop). Event epicenter was 34 km (21 miles) from Bucaramanga (c. 571 800 pop), 26 km (16 miles) from Floridablanca (c. 252 300 pop), 30 km (18 miles) from Girón (c. 108 500 pop), 18 km (11 miles) from Piedecuesta (c. 86 400 pop), 76 km (47 miles) from Pamplona (c. 53 600 pop), 31 km (20 miles) from San Gil (c. 33 600 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 15 km NNW of Aratoca, Colombia.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -73.0523° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 6.8273° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 150.53 km Depth of the event in kilometers.
Place 15km NNW of Aratoca, Colombia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-28 09:24:38 Time when the event occurred. UTC/GMT
Updated 2017-02-28 11:23:40 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 246 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 0.928 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 91 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 us20008mwt Id of event.
Event Code 20008mwt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008mwt, A comma-separated list of event ids that are associated to an event.

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