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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near El Rosario in El Salvador

Earthquake location 13.3663S, -89.0828WA light earthquake magnitude 4.2 (ml/mb) strikes 15 kilometers (9 miles) from El Rosario in El Salvador on Friday. Exact location of earthquake, longitude -89.0828 West, latitude 13.3663 North, depth = 52.37 km. The epicenter was at a depth of 52.37 km (33 miles). Exact time and date of event in UTC/GMT: 09/09/16 / 2016-09-09 06:54:23 / September 9, 2016 @ 6:54 am. Unique identifier: us20007cas. Ids that are associated to the event: us20007cas. The temblor was picked up at 00:54:23 / 12:54 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 38 km (23 miles) from San Salvador (c. 526 000 pop), 39 km (24 miles) from Soyapango (c. 329 700 pop), 87 km (54 miles) from Santa Ana (c. 176 700 pop), 44 km (27 miles) from Mejicanos (c. 160 300 pop), 41 km (25 miles) from Santa Tecla (c. 124 700 pop), 50 km (31 miles) from Apopa (c. 112 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Juayúa, Nueva Concepción, Santa Ana. Country/countries that might be effected, El Salvador (c. 6 052 000 pop).

In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days eight and in the last 365 days fifty-three earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 15 km SSW of El Rosario, El Salvador.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude -89.0828° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.3663° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.37 km Depth of the event in kilometers.
Place 15km SSW of El Rosario, 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 2016-09-09 06:54:23 Time when the event occurred. UTC/GMT
Updated 2016-10-06 06:42:59 Time when the event was most recently updated. UTC/GMT
Timezone offset -360 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 0.349 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.01 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 165 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 us20007cas Id of event.
Event Code 20007cas An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20007cas, A comma-separated list of event ids that are associated to an event.

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