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Light earthquake: M4.2 quake has struck near Arica in Chile

Posted by admin on May 3, 2017 0 Comments

Earthquake location -18.532S, -71.069WA light earthquake magnitude 4.2 (ml/mb) has occurred on Wednesday, 81 kilometers (50 miles) from Arica in Chile. Unique identifier: us10008nz2. Ids that are associated to the event: us10008nz2. Exact location of earthquake, -71.069° West, -18.532° South, depth 22.7 km. Global date and time of event UTC/GMT: 03/05/17 / 2017-05-03 19:08:22 / May 3, 2017 @ 7:08 pm. The temblor was detected at 14:08:22 / 2:08 pm (local time epicenter). The epicenter of the earthquake was roughly 22.7 km (14 miles) below the earth’s surface. 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). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Arica. The epicenter was 82 km (51 miles) from Arica (c. 186 000 pop).

Each year there are an estimated 13,000 light quakes in the world. 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 five 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?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 81 km W of Arica, Chile. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -71.069° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.532° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.7 km Depth of the event in kilometers.
Place 81km W of Arica, Chile Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-03 19:08:22 Time when the event occurred. UTC/GMT
Updated 2017-05-03 21:13:22 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 271 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.13 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 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 us10008nz2 Id of event.
Event Code 10008nz2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008nz2, A comma-separated list of event ids that are associated to an event.

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