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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag has occurred near Coquimbo in Chile



Earthquake location -30.3572S, -72.1749WA light earthquake with magnitude 4.4 (ml/mb) was detected on Thursday, 91 kilometers (57 miles) from Coquimbo in Chile. Exact location of earthquake, -72.1749° West, -30.3572° South, depth 10 km. Unique identifier: us10003j8x. Ids that are associated to the event: us10003j8x. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.4-magnitude earthquake was detected at 00:35:25 / 12:35 am (local time epicenter). Date and time of earthquake in UTC/GMT: 17/09/15 / 2015-09-17 05:35:25 / September 17, 2015 @ 5:35 am. The earthquake was roughly at a depth of 10 km (6 miles).

Epicenter of the event was 92 km (57 miles) from Coquimbo (c. 161 300 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Coquimbo. Close country/countries, Chile (c. 16 746 000 pop) (That might be effected).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one hundred and eighty-seven, in the last 10 days one hundred and eighty-eight, in the past 30 days one hundred and ninety-three and in the last 365 days two hundred and thirteen earthquakes of magnitude 3.0 or greater that has struck near.

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. 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: 91 km WSW of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -72.1749° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.3572° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 91km WSW 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 2015-09-17 05:35:25 Time when the event occurred. UTC/GMT
Updated 2015-10-10 08:07:16 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 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 298 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 3.583 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 121 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 us10003j8x Id of event.
Event Code 10003j8x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003j8x, A comma-separated list of event ids that are associated to an event.

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