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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Illapel in Chile


Earthquake location -31.8779S, -72.0648WA light earthquake with magnitude 4.1 (ml/mb) was reported 89 kilometers (55 miles) from Illapel in Chile on Friday. Event ids that are associated to the earthquake: us20003nnx. Id of event: us20003nnx. Global time and date of event 18/09/15 / 2015-09-18 18:52:09 / September 18, 2015 @ 6:52 pm UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). Exact location, longitude -72.0648° West, latitude -31.8779° South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 13:52:09 / 1:52 pm (local time epicenter).

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Illapel (min 5000 pop). Epicenter of the earthquake was 89 km (55 miles) from Illapel (c. 22 800 pop).

In the past 24 hours, there have been ninety-eight, in the last 10 days one hundred and thirty-eight, in the past 30 days one hundred and thirty-eight and in the last 365 days one hundred and fifty-four 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. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 89 km WSW of Illapel, Chile. This information 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 -72.0648° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.8779° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 89km 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 2015-09-18 18:52:09 Time when the event occurred. UTC/GMT
Updated 2015-09-24 15:54:53 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 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 1.197 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.47 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 mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20003nnx Id of event.
Event Code 20003nnx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003nnx, A comma-separated list of event ids that are associated to an event.

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