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Light earthquake: M4.6 quake has struck near Andalucia in Colombia


Earthquake location 4.1427S, -76.2035WA light earthquake with magnitude 4.6 (ml/mb) was reported 5 kilometers (3 miles) from Andalucia in Colombia on Thursday. The temblor was detected at 14:26:40 / 2:26 pm (local time epicenter). The earthquake occurred at a depth of 156.27 km (97 miles) below the earth’s surface. Global date and time of event UTC/GMT: 21/12/17 / 2017-12-21 19:26:40 / December 21, 2017 @ 7:26 pm. Exact location of event, depth 156.27 km, -76.2035° West, 4.1427° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us1000bung. Event ids that are associated: us1000bung.

Country/countries that might be effected, Colombia (c. 47 790 000 pop). Earthquake epicenter was 86 km (53 miles) from Cali (c. 2 392 900 pop), 93 km (58 miles) from Pereira (c. 440 100 pop), 72 km (45 miles) from Armenia (c. 315 300 pop), 68 km (42 miles) from Palmira (c. 248 000 pop), 96 km (60 miles) from Buenaventura (c. 240 400 pop), 98 km (61 miles) from Dos Quebradas (c. 179 600 pop), 7 km (4 miles) from Tuluá (c. 165 500 pop). Nearest cities/city/villages to epicentrum/hypocenter was Dos Quebradas, Buenaventura, Pereira (min 5000 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days eight earthquakes of magnitude 3.0 or greater that has struck near. 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?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 5 km SW of Andalucia, Colombia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude -76.2035° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 4.1427° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 156.27 km Depth of the event in kilometers.
Place 5km SW of Andalucia, Colombia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-21 19:26:40 Time when the event occurred. UTC/GMT
Updated 2017-12-21 21:31:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 10 The total number of felt reports
CDI 3.8 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 329 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 2.002 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 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 us1000bung Id of event.
Event Code 1000bung An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bung, A comma-separated list of event ids that are associated to an event.

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