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Earthquake breaking news, Minor World Earthquakes Magnitude -3.9

Minor earthquake 3.9 mag, 30 km ESE of Arica, Chile

Posted by admin on October 16, 2017 0 Comments

Earthquake location -18.5881S, -70.0378WA minor earthquake with magnitude 3.9 (ml/mb) was reported 30 kilometers (19 miles) from Arica in Chile on Sunday. Exact location, longitude -70.0378° West, latitude -18.5881° South, depth = 98.85 km. All ids that are associated to the event: us1000aslx. Unique identifier: us1000aslx. The temblor was detected at 20:19:37 / 8:19 pm (local time epicenter). Global time and date of event 16/10/17 / 2017-10-16 00:19:37 / October 16, 2017 @ 12:19 am UTC/GMT. The epicenter was at a depth of 98.85 km (61 miles).

Nearby country/countries that might be effected, Chile (c. 16 746 000 pop), Peru (c. 29 907 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Tacna, Arica (min 5000 pop). Event epicenter was 68 km (42 miles) from Tacna (c. 280 100 pop), 30 km (19 miles) from Arica (c. 186 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days twenty-eight earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Every year there are an estimated 130,000 minor earthquakes in the world.

Questions or comments?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 30 km ESE of Arica, Chile. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -70.0378° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.5881° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 98.85 km Depth of the event in kilometers.
Place 30km ESE 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 2017-10-16 00:19:37 Time when the event occurred. UTC/GMT
Updated 2017-10-16 00:41:30 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 234 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 0.276 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 81 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 us1000aslx Id of event.
Event Code 1000aslx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000aslx, A comma-separated list of event ids that are associated to an event.

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