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Light earthquake: M4.1 quake has struck near Cartagena in Chile


Earthquake location -33.3586S, -72.016WA light earthquake magnitude 4.1 (ml/mb) has occurred on Friday, 43 kilometers (27 miles) from Cartagena in Chile. Global time and date of event 28/04/17 / 2017-04-28 17:57:06 / April 28, 2017 @ 5:57 pm UTC/GMT. The temblor was detected at 12:57:06 / 12:57 pm (local time epicenter). Event ids that are associated to the earthquake: us10008lnz. Id of event: us10008lnz. The earthquake was roughly at a depth of 19.88 km (12 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude -72.016 West, latitude -33.3586 South, depth = 19.88 km.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Quillota, Melipilla, Limache. The epicenter was 57 km (35 miles) from Viña del Mar (c. 294 600 pop), 51 km (31 miles) from Valparaíso (c. 282 400 pop), 64 km (40 miles) from Quilpué (c. 130 300 pop), 69 km (43 miles) from Villa Alemana (c. 97 300 pop), 46 km (29 miles) from San Antonio (c. 85 700 pop), 89 km (55 miles) from Quillota (c. 67 800 pop). Nearby country/countries that might be effected, Chile (c. 16 746 000 pop).

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

How would you describe the shaking?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 43 km WNW of Cartagena, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -72.016° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.3586° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 19.88 km Depth of the event in kilometers.
Place 43km WNW of Cartagena, Chile 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 17:57:06 Time when the event occurred. UTC/GMT
Updated 2017-04-28 18:47:33 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 259 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 0.448 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 171 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10008lnz Id of event.
Event Code 10008lnz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008lnz, A comma-separated list of event ids that are associated to an event.

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