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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 21 km NNE of Rioja, Peru

Earthquake location -5.8788S, -77.0801WA light earthquake magnitude 4.2 (ml/mb) has occurred on Thursday, 21 kilometers (13 miles) from Rioja in Peru. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 17:08:51 / 5:08 pm (local time epicenter). Global date and time of event UTC/GMT: 21/07/16 / 2016-07-21 22:08:51 / July 21, 2016 @ 10:08 pm. All ids that are associated to the event: us20006ht1. Unique identifier: us20006ht1. The earthquake occurred at a depth of 128.91 km (80 miles) below the earth’s surface. Exact location of event, depth 128.91 km, -77.0801° West, -5.8788° South.

Nearby country/countries that might be effected, Peru (c. 29 907 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was San José de Sisa, Lamas, Tabalosos (min 5000 pop). Event epicenter was 21 km (13 miles) from Moyobamba (c. 44 300 pop), 22 km (14 miles) from Rioja (c. 25 100 pop), 68 km (42 miles) from Tabalosos (c. 14 700 pop), 85 km (53 miles) from Lamas (c. 13 700 pop), 29 km (18 miles) from Soritor (c. 10 900 pop), 92 km (57 miles) from San José de Sisa (c. 9 500 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 six earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light quakes in the world.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 21 km NNE of Rioja, Peru. This data 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 -77.0801° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -5.8788° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 128.91 km Depth of the event in kilometers.
Place 21km NNE of Rioja, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-07-21 22:08:51 Time when the event occurred. UTC/GMT
Updated 2016-08-01 01:07:57 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 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 1.806 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.27 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us20006ht1 Id of event.
Event Code 20006ht1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006ht1, A comma-separated list of event ids that are associated to an event.

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