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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag has occurred near Illapel in Chile



Earthquake location -31.6788S, -72.9806WA minor earthquake with magnitude 3.9 (ml/mb) was reported 172 km W of Illapel, Chile (107 miles) on Saturday. The 3.9-magnitude earthquake was detected at 18:23:30 / 6:23 pm (local time epicenter). Id of earthquake: us10003k3v. Event ids that are associated: us10003k3v. Global date and time of event UTC/GMT: 03/10/15 / 2015-10-03 23:23:30 / October 3, 2015 @ 11:23 pm. The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Exact location of event, longitude -72.9806 West, latitude -31.6788 South, depth = 10 km.

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days twenty, in the past 30 days one hundred and eighteen and in the last 365 days one hundred and twenty earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 130,000 minor earthquakes in the world.

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: 172 km W of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -72.9806° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.6788° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 172km W of Illapel, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-03 23:23:30 Time when the event occurred. UTC/GMT
Updated 2015-10-04 05:52:53 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 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 1.527 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 84 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us10003k3v Id of event.
Event Code 10003k3v An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003k3v, A comma-separated list of event ids that are associated to an event.

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