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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.4 mag, 101 km W of Illapel, Chile


Earthquake location -31.784S, -72.217WA light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, 101 km W of Illapel, Chile (63 miles). Exact time and date of earthquake 24/09/15 / 2015-09-24 08:54:05 / September 24, 2015 @ 8:54 am UTC/GMT. The epicenter of the earthquake was roughly 20.5 km (13 miles) below the earth’s surface. Id of earthquake: us20003nlq. Event ids that are associated: us20003nlq. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 03:54:05 / 3:54 am (local time epicenter). Exact location, longitude -72.217° West, latitude -31.784° South, depth = 20.5 km.

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-two, in the last 10 days two hundred and fifty-nine, in the past 30 days two hundred and fifty-nine and in the last 365 days two hundred and seventy-three earthquakes of magnitude 3.0 or greater that have been detected nearby.

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. 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: 101 km W of Illapel, Chile.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude -72.217° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -31.784° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 20.5 km Depth of the event in kilometers.
Place 101km 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 2015-09-24 08:54:05 Time when the event occurred. UTC/GMT
Updated 2015-10-21 05:59:48 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 298 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.18 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us20003nlq Id of event.
Event Code 20003nlq An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003nlq, A comma-separated list of event ids that are associated to an event.

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