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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 0 km NNW of Gramalote, Colombia

Earthquake location 7.8941S, -72.8018WA light earthquake magnitude 4.3 (ml/mb) has struck on Thursday, 0 kilometers (0 miles) from Gramalote in Colombia. The 4.3-magnitude earthquake has occurred at 21:34:20 / 9:34 pm (local time epicenter). Global date and time of event UTC/GMT: 28/04/17 / 2017-04-28 02:34:20 / April 28, 2017 @ 2:34 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 47.33 km (29 miles) below the earth’s surface. Exact location of event, longitude -72.8018 West, latitude 7.8941 North, depth = 47.33 km. Id of earthquake: us10008p7w. Event ids that are associated: us10008p7w.

Epicenter of the event was 32 km (20 miles) from Cúcuta (c. 721 400 pop), 92 km (57 miles) from Bucaramanga (c. 571 800 pop), 65 km (40 miles) from San Cristóbal (c. 246 600 pop), 72 km (45 miles) from Ocaña (c. 83 500 pop), 37 km (23 miles) from Villa del Rosario (c. 65 000 pop), 33 km (21 miles) from Los Patios (c. 58 700 pop). Nearby country/countries, Colombia (c. 47 790 000 pop), Venezuela (c. 27 223 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Bucaramanga, González, Tibú (min 5000 pop).

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

Did you feel it?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 0 km NNW of Gramalote, Colombia.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -72.8018° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 7.8941° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 47.33 km Depth of the event in kilometers.
Place 0km NNW of Gramalote, Colombia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-04-28 02:34:20 Time when the event occurred. UTC/GMT
Updated 2017-05-11 03:47:20 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 284 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 2.007 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 72 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 us10008p7w Id of event.
Event Code 10008p7w An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008p7w, A comma-separated list of event ids that are associated to an event.

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