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


Earthquake location -12.9971S, -74.3684WA light earthquake with magnitude 4.2 (ml/mb) was reported 14 kilometers (9 miles) from Huanta in Peru on Wednesday. Global date and time of event UTC/GMT: 27/12/17 / 2017-12-27 07:14:47 / December 27, 2017 @ 7:14 am. The earthquake occurred at a depth of 71.67 km (45 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, -74.3684° West, -12.9971° South, depth 71.67 km. Unique identifier: us1000bwlr. Ids that are associated to the event: us1000bwlr. The temblor was picked up at 02:14:47 / 2:14 am (local time epicenter).

The epicenter was 24 km (15 miles) from Ayacucho (c. 140 000 pop), 70 km (43 miles) from Huancavelica (c. 41 600 pop), 15 km (9 miles) from Huanta (c. 18 600 pop), 42 km (26 miles) from San Miguel (c. 8 400 pop), 86 km (53 miles) from Pampas (c. 5 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Pampas, Huancavelica, San Miguel (min 5000 pop). Country/countries that might be effected, Peru (c. 29 907 000 pop).

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 two earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

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: 14 km WSW of Huanta, Peru. This information 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 -74.3684° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -12.9971° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 71.67 km Depth of the event in kilometers.
Place 14km WSW of Huanta, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-27 07:14:47 Time when the event occurred. UTC/GMT
Updated 2018-01-11 12:47:30 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 2.616 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.45 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 122 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 us1000bwlr Id of event.
Event Code 1000bwlr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bwlr, A comma-separated list of event ids that are associated to an event.

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