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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 24 km S of Ayabaca, Peru

Earthquake location -4.8589S, -79.6873WA light earthquake with magnitude 4 (ml/mb) was reported 24 kilometers (15 miles) from Ayabaca in Peru on Saturday. Exact location of event, longitude -79.6873 West, latitude -4.8589 South, depth = 93.94 km. 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: 03/10/15 / 2015-10-03 09:20:17 / October 3, 2015 @ 9:20 am. The temblor was picked up at 04:20:17 / 4:20 am (local time epicenter). Id of earthquake: us20004055. Event ids that are associated: us20004055. The epicenter of the earthquake was roughly 93.94 km (58 miles) below the earth’s surface.

Country/countries that might be effected, Ecuador (c. 14 791 000 pop), Peru (c. 29 907 000 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Catacocha, Celica, San Ignacio. Epicenter of the event was 59 km (36 miles) from Chulucanas (c. 68 800 pop), 73 km (45 miles) from Tambo Grande (c. 30 000 pop), 61 km (38 miles) from Cariamanga (c. 16 900 pop), 60 km (37 miles) from Macará (c. 13 000 pop), 48 km (30 miles) from Morropón (c. 12 300 pop), 90 km (56 miles) from Catacocha (c. 10 900 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 two earthquakes of magnitude 3.0 or greater that has occurred nearby. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel it?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 24 km S of Ayabaca, Peru. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude -79.6873° West Decimal degrees longitude. Negative values for western longitudes.
Latitude -4.8589° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 93.94 km Depth of the event in kilometers.
Place 24km S of Ayabaca, Peru Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-03 09:20:17 Time when the event occurred. UTC/GMT
Updated 2015-10-28 13:01:25 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 246 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 5.211 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.73 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 232 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 us20004055 Id of event.
Event Code 20004055 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004055, A comma-separated list of event ids that are associated to an event.

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