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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Coquimbo in Chile


Earthquake location -30.0549S, -72.6643WA light earthquake magnitude 4.7 (ml/mb) has struck on Saturday, 127 km W of Coquimbo, Chile (79 miles). Global time and date of event 30/04/16 / 2016-04-30 10:31:57 / April 30, 2016 @ 10:31 am UTC/GMT. The epicenter was at a depth of 10 km (6 miles). The temblor was reported at 05:31:57 / 5:31 am (local time epicenter). Event ids that are associated to the earthquake: us10005cps. Id of event: us10005cps. Exact location, longitude -72.6643° West, latitude -30.0549° South, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been eight, in the last 10 days eight, in the past 30 days fifteen and in the last 365 days two hundred and thirty-three earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 127 km W of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -72.6643° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.0549° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 127km W of Coquimbo, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-30 10:31:57 Time when the event occurred. UTC/GMT
Updated 2016-05-26 11:06:02 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 340 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 1.082 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 144 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 us10005cps Id of event.
Event Code 10005cps An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005cps, A comma-separated list of event ids that are associated to an event.

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