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Light earthquake: M4.3 quake has struck near Tumaco in Colombia



Earthquake location 1.9399S, -79.0384WA light earthquake magnitude 4.3 (ml/mb) strikes 29 kilometers (18 miles) from Tumaco in Colombia on Friday. Id of earthquake: us2000bi8p. Event ids that are associated: us2000bi8p. The earthquake occurred at a depth of 41.05 km (26 miles) below the earth’s surface. Global date and time of event UTC/GMT: 04/11/17 / 2017-11-04 01:22:34 / November 4, 2017 @ 1:22 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 20:22:34 / 8:22 pm (local time epicenter). Exact location of earthquake, longitude -79.0384 West, latitude 1.9399 North, depth = 41.05 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Valdez, San Lorenzo de Esmeraldas, Francisco Pizarro. Country/countries that might be effected, Colombia (c. 47 790 000 pop), Ecuador (c. 14 791 000 pop). Event epicenter was 29 km (18 miles) from Tumaco (c. 86 700 pop), 76 km (47 miles) from San Lorenzo de Esmeraldas (c. 20 200 pop), 77 km (48 miles) from Valdez (c. 11 400 pop), 40 km (25 miles) from Francisco Pizarro (c. 6 100 pop).

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 one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 29 km WNW of Tumaco, Colombia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -79.0384° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.9399° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.05 km Depth of the event in kilometers.
Place 29km WNW of Tumaco, Colombia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-11-04 01:22:34 Time when the event occurred. UTC/GMT
Updated 2017-11-04 01:41:13 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 1.744 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 130 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 us2000bi8p Id of event.
Event Code 2000bi8p An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bi8p, A comma-separated list of event ids that are associated to an event.

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