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Light earthquake, 4.1 mag strikes near Illapel in Chile


Earthquake location -31.7991S, -71.7373WA light earthquake with magnitude 4.1 (ml/mb) was reported 57 kilometers (35 miles) from Illapel in Chile on Sunday. Global time and date of event 05/10/15 / 2015-10-05 02:02:51 / October 5, 2015 @ 2:02 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 33.08 km (21 miles). The temblor was detected at 23:02:51 / 11:02 pm (local time epicenter). Id of earthquake: us10003kbc. Event ids that are associated: us10003kbc. Exact location of event, depth 33.08 km, -71.7373° West, -31.7991° South.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was La Ligua, Salamanca, Illapel. Earthquake epicenter was 87 km (54 miles) from La Ligua (c. 24 900 pop), 57 km (35 miles) from Illapel (c. 22 800 pop), 73 km (45 miles) from Salamanca (c. 13 300 pop). Country/countries that might be effected, Chile (c. 16 746 000 pop).

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 57 km WSW of Illapel, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude -71.7373° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.7991° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 33.08 km Depth of the event in kilometers.
Place 57km WSW 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 2015-10-05 02:02:51 Time when the event occurred. UTC/GMT
Updated 2015-10-05 03:14:55 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 0.865 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.56 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us10003kbc Id of event.
Event Code 10003kbc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003kbc, A comma-separated list of event ids that are associated to an event.

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