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Light earthquake: M4.2 quake has struck near Tacna in Peru


Earthquake location -17.9089S, -70.1972WA light earthquake magnitude 4.2 (ml/mb) has struck on Sunday, 11 kilometers (7 miles) from Tacna in Peru. Id of earthquake: us2000hbnr. Event ids that are associated: us2000hbnr. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 10/09/18 / 2018-09-10 01:52:56 / September 10, 2018 @ 1:52 am. The 4.2-magnitude earthquake has occurred at 20:52:56 / 8:52 pm (local time epicenter). The earthquake occurred at a depth of 131.16 km (81 miles) below the earth’s surface. Exact location, longitude -70.1972° West, latitude -17.9089° South, depth = 131.16 km.

Nearby country/countries, Chile (c. 16 746 000 pop), Peru (c. 29 907 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Ilabaya, Arica, Tacna (min 5000 pop). Epicenter of the earthquake was 13 km (8 miles) from Tacna (c. 280 100 pop), 64 km (40 miles) from Arica (c. 186 000 pop), 64 km (40 miles) from Ilabaya (c. 9 500 pop).

There are an estimated 13,000 light earthquakes 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 three and in the last 365 days thirty-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.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 11 km NNE of Tacna, Peru.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -70.1972° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -17.9089° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 131.16 km Depth of the event in kilometers.
Place 11km NNE 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 2018-09-10 01:52:56 Time when the event occurred. UTC/GMT
Updated 2018-09-10 03:26:46 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 0.479 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 168 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 us2000hbnr Id of event.
Event Code 2000hbnr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hbnr, A comma-separated list of event ids that are associated to an event.

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