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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Tacna in Peru

Posted by admin on October 9, 2017 0 Comments

Earthquake location -18.1406S, -70.0707WA light earthquake with magnitude 4.5 (ml/mb) was detected on Wednesday, 24 kilometers (15 miles) from Tacna in Peru. Exact location of event, longitude -70.0707 West, latitude -18.1406 South, depth = 97.41 km. Unique identifier: us2000arz3. Ids that are associated to the event: us2000arz3. Global time and date of event 20/09/17 / 2017-09-20 17:51:41 / September 20, 2017 @ 5:51 pm UTC/GMT. The epicenter was at a depth of 97.41 km (61 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 12:51:41 / 12:51 pm (local time epicenter).

Event epicenter was 24 km (15 miles) from Tacna (c. 280 100 pop), 44 km (27 miles) from Arica (c. 186 000 pop), 93 km (58 miles) from Ilabaya (c. 9 500 pop). Close country/countries, Chile (c. 16 746 000 pop), Peru (c. 29 907 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Ilabaya, Arica, Tacna (min 5000 pop).

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

Did you feel anything?

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: 24 km SE of Tacna, Peru. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude -70.0707° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -18.1406° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 97.41 km Depth of the event in kilometers.
Place 24km SE of Tacna, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-20 17:51:41 Time when the event occurred. UTC/GMT
Updated 2017-10-09 15:35:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 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 312 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 0.344 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.03 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000arz3 Id of event.
Event Code 2000arz3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000arz3, A comma-separated list of event ids that are associated to an event.

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