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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.7 quake has struck near Puerto El Triunfo in El Salvador

Earthquake location 12.877S, -88.4973WA light earthquake magnitude 4.7 (ml/mb) has struck on Monday, 45 kilometers (28 miles) from Puerto El Triunfo in El Salvador. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 12/10/15 / 2015-10-12 15:18:53 / October 12, 2015 @ 3:18 pm. The earthquake occurred at a depth of 61.73 km (38 miles) below the earth’s surface. Exact location of earthquake, longitude -88.4973 West, latitude 12.877 North, depth = 61.73 km. Event ids that are associated to the earthquake: us10003n1l. Id of event: us10003n1l. The 4.7-magnitude earthquake has occurred at 09:18:53 / 9:18 am (local time epicenter).

Epicenter of the earthquake was 76 km (47 miles) from San Miguel (c. 161 900 pop), 53 km (33 miles) from Usulután (c. 51 900 pop), 90 km (56 miles) from San Vicente (c. 41 500 pop), 80 km (50 miles) from Zacatecoluca (c. 39 600 pop), 87 km (54 miles) from La Unión (c. 26 800 pop), 59 km (36 miles) from San Rafael Oriente (c. 19 100 pop), 46 km (28 miles) from Puerto El Triunfo (c. 19 100 pop). Country/countries that might be effected, El Salvador (c. 6 052 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Guatajiagua, Apastepeque, San Vicente (min 5000 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 six and in the last 365 days fifty-two earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 45 km S of Puerto El Triunfo, El Salvador.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude -88.4973° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.877° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.73 km Depth of the event in kilometers.
Place 45km S of Puerto El Triunfo, El Salvador Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-10-12 15:18:53 Time when the event occurred. UTC/GMT
Updated 2015-10-18 14:10:07 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 340 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 1.076 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 131 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 us10003n1l Id of event.
Event Code 10003n1l An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003n1l, A comma-separated list of event ids that are associated to an event.

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