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Minor World Earthquakes Magnitude -3.9

Minor earthquake, 3.9 mag was detected near Callao in Peru

Earthquake location -12.11S, -77.42WA minor earthquake with magnitude 3.9 (ml/mb) was detected on Tuesday, 29 kilometers (18 miles) from Callao in Peru. Exact location of event, longitude -77.42 West, latitude -12.11 South, depth = 44 km. The temblor was picked up at 10:44:43 / 10:44 am (local time epicenter). Global date and time of event UTC/GMT: 19/07/16 / 2016-07-19 15:44:43 / July 19, 2016 @ 3:44 pm. Event id: us10006ef1. Ids that are associated to the earthquake: us10006ef1. The earthquake was roughly at a depth of 44 km (27 miles).

Country/countries that might be effected, Peru (c. 29 907 000 pop). Event epicenter was 43 km (27 miles) from Lima (c. 7 737 000 pop), 33 km (21 miles) from Callao (c. 813 300 pop), 45 km (28 miles) from Surco (c. 251 600 pop), 79 km (49 miles) from Chosica (c. 88 600 pop), 40 km (25 miles) from San Isidro (c. 68 300 pop), 72 km (45 miles) from Huaral (c. 62 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Chilca, Santa Eulalia, Asentamiento Humano Nicolas de Pierola.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. Each year there are an estimated 130,000 minor earthquakes in the world.

Did you feel anything?

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. 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: 29 km W of Callao, Peru.

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More information

Parameter Value Description
Magnitude 3.9 mb The magnitude for the event.
Longitude -77.42° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -12.11° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 44 km Depth of the event in kilometers.
Place 29km W of Callao, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-19 15:44:43 Time when the event occurred. UTC/GMT
Updated 2016-08-17 14:10:58 Time when the event was most recently updated. UTC/GMT
Timezone offset -300 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.43 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 us10006ef1 Id of event.
Event Code 10006ef1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006ef1, A comma-separated list of event ids that are associated to an event.

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