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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag has occurred near Coquimbo in Chile


Earthquake location -30.2636S, -71.4459WA light earthquake magnitude 4.1 (ml/mb) strikes 35 kilometers (22 miles) from Coquimbo in Chile on Monday. Exact location of event, depth 40.02 km, -71.4459° West, -30.2636° South. Unique identifier: us10003ze5. Ids that are associated to the event: us10003ze5. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.1-magnitude earthquake was detected at 00:01:52 / 12:01 am (local time epicenter). Exact time and date of earthquake 09/11/15 / 2015-11-09 03:01:52 / November 9, 2015 @ 3:01 am UTC/GMT. The earthquake occurred at a depth of 40.02 km (25 miles).

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Vicuña, Monte Patria, Ovalle. Nearby country/countries that might be effected, Chile (c. 16 746 000 pop). Epicenter of the event was 36 km (22 miles) from Coquimbo (c. 161 300 pop), 44 km (27 miles) from La Serena (c. 154 500 pop), 44 km (28 miles) from Ovalle (c. 77 100 pop), 67 km (42 miles) from Monte Patria (c. 13 900 pop), 75 km (47 miles) from Vicuña (c. 13 500 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been nineteen, in the last 10 days thirty-four, in the past 30 days sixty-eight and in the last 365 days two hundred and seventy-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year.

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: 35 km SSW of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -71.4459° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.2636° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.02 km Depth of the event in kilometers.
Place 35km SSW of Coquimbo, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-11-09 03:01:52 Time when the event occurred. UTC/GMT
Updated 2015-11-19 00:04:53 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 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 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 0.388 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 129 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 us10003ze5 Id of event.
Event Code 10003ze5 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003ze5, A comma-separated list of event ids that are associated to an event.

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