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Light earthquake: M4.5 quake has struck near Antofagasta in Chile

Posted by admin on February 17, 2017 0 Comments

Earthquake location -23.4664S, -70.5704WA light earthquake magnitude 4.5 (ml/mb) strikes 26 kilometers (16 miles) from Antofagasta in Chile on Friday. Exact time and date of earthquake 17/02/17 / 2017-02-17 09:17:52 / February 17, 2017 @ 9:17 am UTC/GMT. Exact location of earthquake, longitude -70.5704 West, latitude -23.4664 South, depth = 61.95 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 05:17:52 / 5:17 am (local time epicenter). The epicenter was at a depth of 61.95 km (38 miles). Id of earthquake: us20008kem. Event ids that are associated: us20008kem.

Close country/countries that might be effected, Chile (c. 16 746 000 pop). Earthquake epicenter was 27 km (17 miles) from Antofagasta (c. 309 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Antofagasta.

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city 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: 26 km NW of Antofagasta, Chile.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -70.5704° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.4664° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.95 km Depth of the event in kilometers.
Place 26km NW of 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 2017-02-17 09:17:52 Time when the event occurred. UTC/GMT
Updated 2017-02-17 09:52:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 3 The total number of felt reports
CDI 3.4 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 313 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 0.049 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.4 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type mwr The method or algorithm used to calculate the preferred magnitude for the event.
Event Type earthquake Type of seismic event.
Event ID us20008kem Id of event.
Event Code 20008kem An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008kem, A comma-separated list of event ids that are associated to an event.

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