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Light earthquake: M4 quake has struck near Antofagasta in Chile

Posted by admin on April 25, 2018 0 Comments

Earthquake location -23.0427S, -70.3085WA light earthquake magnitude 4 (ml/mb) has occurred on Wednesday, 67 kilometers (42 miles) from Antofagasta in Chile. Id of earthquake: us2000dvhn. Event ids that are associated: us2000dvhn. Date and time of earthquake in UTC/GMT: 29/03/18 / 2018-03-29 00:56:26 / March 29, 2018 @ 12:56 am. The epicenter was at a depth of 49.3 km (31 miles). Exact location of event, depth 49.3 km, -70.3085° West, -23.0427° South. The temblor was detected at 20:56:26 / 8:56 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Chile (c. 16 746 000 pop). The epicenter was 68 km (42 miles) from Antofagasta (c. 309 800 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Antofagasta.

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

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 67 km N of Antofagasta, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -70.3085° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -23.0427° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 49.3 km Depth of the event in kilometers.
Place 67km N 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 2018-03-29 00:56:26 Time when the event occurred. UTC/GMT
Updated 2018-04-25 23:17:39 Time when the event was most recently updated. UTC/GMT
Timezone offset -240 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 0.212 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 145 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 us2000dvhn Id of event.
Event Code 2000dvhn An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000dvhn, A comma-separated list of event ids that are associated to an event.

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