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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag was detected near Cartagena in Chile

Earthquake location -33.3683S, -71.3211WA minor earthquake magnitude 3.9 (ml/mb) has occurred on Friday, 33 kilometers (21 miles) from Cartagena in Chile. Exact location, longitude -71.3211° West, latitude -33.3683° South, depth = 46.39 km. Exact time and date of event in UTC/GMT: 04/09/20 / 2020-09-04 13:23:21 / September 4, 2020 @ 1:23 pm. The earthquake occurred at a depth of 46.39 km (29 miles). Unique identifier: us7000bhtg. Ids that are associated to the event: us7000bhtg. The 3.9-magnitude earthquake has occurred at 13:23:21 / 1:23 pm (local time epicenter).

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Felipe, Puente Alto, Paine. Earthquake epicenter was 63 km (39 miles) from Santiago (c. 4 837 300 pop), 74 km (46 miles) from Puente Alto (c. 510 400 pop), 44 km (27 miles) from Viña del Mar (c. 294 600 pop), 46 km (29 miles) from Valparaíso (c. 282 400 pop), 63 km (39 miles) from San Bernardo (c. 249 900 pop), 68 km (42 miles) from La Pintana (c. 201 200 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days twenty-three earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 130,000 minor earthquakes in the world. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage.

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. 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: 33 km NE of Cartagena, Chile.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -71.3211° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -33.3683° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.39 km Depth of the event in kilometers.
Place 33 km NE 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 2020-09-04 13:23:21 Time when the event occurred. UTC/GMT
Updated 2020-09-06 20:54:29 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.1 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 234 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 0.188 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.37 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us7000bhtg Id of event.
Event Code 7000bhtg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bhtg, A comma-separated list of event ids that are associated to an event.

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