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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Coquimbo in Chile

Earthquake location -30.3356S, -71.8722WA light earthquake with magnitude 4.3 (ml/mb) was reported 66 kilometers (41 miles) from Coquimbo in Chile on Thursday. All ids that are associated to the event: us10003qtm. Unique identifier: us10003qtm. The 4.3-magnitude earthquake has occurred at 17:22:26 / 5:22 pm (local time epicenter). Exact location of earthquake, longitude -71.8722 West, latitude -30.3356 South, depth = 18.69 km. The epicenter of the earthquake was roughly 18.69 km (12 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 22/10/15 / 2015-10-22 20:22:26 / October 22, 2015 @ 8:22 pm.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was La Serena, Ovalle, Coquimbo. Nearby country/countries, Chile (c. 16 746 000 pop) (That might be effected). Epicenter of the earthquake was 67 km (41 miles) from Coquimbo (c. 161 300 pop), 77 km (48 miles) from La Serena (c. 154 500 pop), 71 km (44 miles) from Ovalle (c. 77 100 pop).

In the past 24 hours, there have been seven, in the last 10 days twenty, in the past 30 days ninety-nine and in the last 365 days two hundred and sixty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. 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?

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. 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: 66 km SW of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -71.8722° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -30.3356° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 18.69 km Depth of the event in kilometers.
Place 66km SW 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 2015-10-22 20:22:26 Time when the event occurred. UTC/GMT
Updated 2015-10-26 23:57:51 Time when the event was most recently updated. UTC/GMT
Timezone offset -180 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 2.2 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 285 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 0.394 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us10003qtm Id of event.
Event Code 10003qtm An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003qtm, A comma-separated list of event ids that are associated to an event.

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