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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Coquimbo in Chile


Earthquake location -29.8875S, -72.223WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 85 kilometers (53 miles) from Coquimbo in Chile. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000a8w4. Ids that are associated to the earthquake: us2000a8w4. Exact time and date of earthquake 16/08/17 / 2017-08-16 20:19:50 / August 16, 2017 @ 8:19 pm UTC/GMT. The temblor was detected at 15:19:50 / 3:19 pm (local time epicenter). The earthquake was roughly at a depth of 11.81 km (7 miles). Exact location, longitude -72.223° West, latitude -29.8875° South, depth = 11.81 km.

Epicenter of the event was 85 km (53 miles) from Coquimbo (c. 161 300 pop). Close country/countries that might be effected, Chile (c. 16 746 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Coquimbo (min 5000 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days five, in the past 30 days six and in the last 365 days fourty-six 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.

Did you feel it?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 85 km W of Coquimbo, Chile.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -72.223° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -29.8875° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 11.81 km Depth of the event in kilometers.
Place 85km 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 2017-08-16 20:19:50 Time when the event occurred. UTC/GMT
Updated 2017-09-07 16:45:18 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt The total number of felt reports
CDI 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 0.855 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 134 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 us2000a8w4 Id of event.
Event Code 2000a8w4 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a8w4, A comma-separated list of event ids that are associated to an event.

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