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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Coquimbo in Chile



Earthquake location -30.2871S, -71.3994WA light earthquake magnitude 4.2 (ml/mb) strikes 37 kilometers (23 miles) from Coquimbo in Chile on Saturday. The temblor was picked up at 04:24:35 / 4:24 am (local time epicenter). Event ids that are associated to the earthquake: us20003lrk. Id of event: us20003lrk. Exact location of earthquake, -71.3994° West, -30.2871° South, depth 41.25 km. The epicenter of the earthquake was roughly 41.25 km (26 miles) below the earth’s surface. Global time and date of event 19/09/15 / 2015-09-19 07:24:35 / September 19, 2015 @ 7:24 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). The epicenter was 38 km (23 miles) from Coquimbo (c. 161 300 pop), 45 km (28 miles) from La Serena (c. 154 500 pop), 40 km (25 miles) from Ovalle (c. 77 100 pop), 62 km (39 miles) from Monte Patria (c. 13 900 pop), 72 km (45 miles) from Vicuña (c. 13 500 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Vicuña, Monte Patria, La Serena.

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one hundred and seventeen, in the last 10 days one hundred and seventy, in the past 30 days one hundred and seventy-five and in the last 365 days one hundred and ninety-nine earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 37 km S of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.3994° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.2871° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.25 km Depth of the event in kilometers.
Place 37km S 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 2015-09-19 07:24:35 Time when the event occurred. UTC/GMT
Updated 2015-10-15 11:23:20 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 271 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 0.392 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.8 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 149 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 us20003lrk Id of event.
Event Code 20003lrk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20003lrk, A comma-separated list of event ids that are associated to an event.

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