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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 11 km WSW of San Andres, Colombia

Earthquake location 6.768S, -72.9476WA light earthquake with magnitude 4.5 (ml/mb) was detected on Thursday, 11 kilometers (7 miles) from San Andres in Colombia. Exact location of event, depth 154.94 km, -72.9476° West, 6.768° North. Id of earthquake: us2000aax0. Event ids that are associated: us2000aax0. Date and time of earthquake in UTC/GMT: 17/08/17 / 2017-08-17 21:03:49 / August 17, 2017 @ 9:03 pm. The 4.5-magnitude earthquake has occurred at 16:03:49 / 4:03 pm (local time epicenter). 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 154.94 km (96 miles) below the earth’s surface.

Nearby country/countries that might be effected, Colombia (c. 47 790 000 pop). Epicenter of the event was 44 km (27 miles) from Bucaramanga (c. 571 800 pop), 36 km (22 miles) from Floridablanca (c. 252 300 pop), 41 km (26 miles) from Girón (c. 108 500 pop), 27 km (17 miles) from Piedecuesta (c. 86 400 pop), 75 km (47 miles) from Pamplona (c. 53 600 pop), 31 km (19 miles) from San Gil (c. 33 600 pop), 25 km (16 miles) from Málaga (c. 18 700 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sabana de Torres, Belén, El Playón.

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

Did you feel the quake?

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. 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: 11 km WSW of San Andres, Colombia.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -72.9476° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 6.768° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 154.94 km Depth of the event in kilometers.
Place 11km WSW of San Andres, Colombia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-17 21:03:49 Time when the event occurred. UTC/GMT
Updated 2017-09-11 05:20:54 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 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 0.879 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us2000aax0 Id of event.
Event Code 2000aax0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000aax0, A comma-separated list of event ids that are associated to an event.

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