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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Illapel in Chile


Earthquake location -31.1952S, -71.7399WA light earthquake magnitude 4 (ml/mb) has occurred on Saturday, 72 kilometers (45 miles) from Illapel in Chile. The earthquake occurred at a depth of 39.92 km (25 miles). Exact time and date of event in UTC/GMT: 19/09/15 / 2015-09-19 18:52:53 / September 19, 2015 @ 6:52 pm. Id of earthquake: us20003ly4. Event ids that are associated: us20003ly4. Exact location of event, longitude -71.7399 West, latitude -31.1952 South, depth = 39.92 km. The temblor was detected at 15:52:53 / 3:52 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Event epicenter was 84 km (52 miles) from Ovalle (c. 77 100 pop), 73 km (45 miles) from Illapel (c. 22 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Ovalle, Illapel (min 5000 pop). 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 sixty-four, in the last 10 days one hundred and fourty-seven, in the past 30 days one hundred and fourty-seven and in the last 365 days one hundred and sixty-three earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 72 km NW of Illapel, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -71.7399° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.1952° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.92 km Depth of the event in kilometers.
Place 72km NW 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 2015-09-19 18:52:53 Time when the event occurred. UTC/GMT
Updated 2015-09-22 19:26:27 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 246 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 0.527 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.87 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type ml The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20003ly4 Id of event.
Event Code 20003ly4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003ly4, A comma-separated list of event ids that are associated to an event.

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