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Light earthquake 4.3 mag, Antofagasta, Chile


Earthquake location -23.8093S, -70.4847WA light earthquake magnitude 4.3 (ml/mb) strikes Antofagasta, Chile kilometers (0 miles) from Antofagasta, Chile on Sunday. The 4.3-magnitude earthquake has occurred at 21:46:25 / 9:46 pm (local time epicenter). The epicenter of the earthquake was roughly 35.56 km (22 miles) below the earth’s surface. All ids that are associated to the event: us100062gh. Unique identifier: us100062gh. Exact location of earthquake, longitude -70.4847 West, latitude -23.8093 South, depth = 35.56 km. 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: 10/07/16 / 2016-07-10 21:46:25 / July 10, 2016 @ 9:46 pm.

Nearest cities/city/towns to hypocenter/epicentrum was Antofagasta (min 5000 pop). Close country/countries, Chile (c. 16 746 000 pop) (That might be effected). Epicenter of the event was 20 km (12 miles) from Antofagasta (c. 309 800 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world.

Questions or comments?

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: Antofagasta, Chile.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -70.4847° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.8093° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 35.56 km Depth of the event in kilometers.
Place Antofagasta, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-10 21:46:25 Time when the event occurred. UTC/GMT
Updated 2016-07-10 22:07:12 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 284 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 0.301 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.02 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us100062gh Id of event.
Event Code 100062gh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100062gh, A comma-separated list of event ids that are associated to an event.

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