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Light earthquake, 4.2 mag strikes near Coquimbo in Chile

Posted by admin on September 23, 2015 0 Comments

Earthquake location -30.2865S, -72.0155WA light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 74 kilometers (46 miles) from Coquimbo in Chile. The 4.2-magnitude earthquake has occurred at 14:32:16 / 2:32 pm (local time epicenter). The epicenter was at a depth of 15.84 km (10 miles). Event id: us20003nfv. Ids that are associated to the earthquake: us20003nfv. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 23/09/15 / 2015-09-23 19:32:16 / September 23, 2015 @ 7:32 pm. Exact location of event, depth 15.84 km, -72.0155° West, -30.2865° South.

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Ovalle, La Serena, Coquimbo (min 5000 pop). Earthquake epicenter was 75 km (46 miles) from Coquimbo (c. 161 300 pop), 85 km (53 miles) from La Serena (c. 154 500 pop), 86 km (53 miles) from Ovalle (c. 77 100 pop).

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

Did you feel it?

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. 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: 74 km WSW of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -72.0155° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.2865° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.84 km Depth of the event in kilometers.
Place 74km 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 2015-09-23 19:32:16 Time when the event occurred. UTC/GMT
Updated 2015-09-23 20:31:00 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 271 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 0.506 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.57 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 us20003nfv Id of event.
Event Code 20003nfv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003nfv, A comma-separated list of event ids that are associated to an event.

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