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Light earthquake: M4 quake has struck near Cartagena in Chile


Earthquake location -33.3743S, -72.0681WA light earthquake with magnitude 4 (ml/mb) was detected on Tuesday, 47 kilometers (29 miles) from Cartagena in Chile. Exact location of earthquake, -72.0681° West, -33.3743° South, depth 20.54 km. The earthquake occurred at a depth of 20.54 km (13 miles). Unique identifier: us2000kcvl. Ids that are associated to the event: us2000kcvl. The temblor was detected at 07:29:50 / 7:29 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 09/04/19 / 2019-04-09 12:29:50 / April 9, 2019 @ 12:29 pm.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Earthquake epicenter was 62 km (38 miles) from Viña del Mar (c. 294 600 pop), 55 km (34 miles) from Valparaíso (c. 282 400 pop), 69 km (43 miles) from Quilpué (c. 130 300 pop), 74 km (46 miles) from Villa Alemana (c. 97 300 pop), 49 km (31 miles) from San Antonio (c. 85 700 pop), 86 km (54 miles) from Melipilla (c. 63 100 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Melipilla, Limache, Villa Alemana.

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 47 km WNW of Cartagena, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -72.0681° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.3743° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.54 km Depth of the event in kilometers.
Place 47km 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 2019-04-09 12:29:50 Time when the event occurred. UTC/GMT
Updated 2019-04-09 21:08:34 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 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 247 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 0.472 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us2000kcvl Id of event.
Event Code 2000kcvl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000kcvl, A comma-separated list of event ids that are associated to an event.

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