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Light earthquake, 4.3 mag strikes near Acajutla in El Salvador

Earthquake location 13.1558S, -89.8662WA light earthquake magnitude 4.3 (ml/mb) strikes 48 kilometers (30 miles) from Acajutla in El Salvador on Sunday. The epicenter of the earthquake was roughly 68.99 km (43 miles) below the earth’s surface. The 4.3-magnitude earthquake was detected at 12:18:36 / 12:18 pm (local time epicenter). Global date and time of event UTC/GMT: 12/02/17 / 2017-02-12 18:18:36 / February 12, 2017 @ 6:18 pm. Exact location of event, depth 68.99 km, -89.8662° West, 13.1558° North. Unique identifier: us20008jeb. Ids that are associated to the event: us20008jeb. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 86 km (53 miles) from Santa Tecla (c. 124 700 pop), 64 km (40 miles) from Sonsonate (c. 59 500 pop), 93 km (58 miles) from San Marcos (c. 54 600 pop), 85 km (53 miles) from Ahuachapán (c. 34 100 pop), 87 km (54 miles) from Antiguo Cuscatlán (c. 33 800 pop), 49 km (30 miles) from Acajutla (c. 22 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Olocuilta, El Congo, San Marcos. Country/countries that might be effected, El Salvador (c. 6 052 000 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days two and in the last 365 days fifty 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.

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. 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: 48 km S of Acajutla, El Salvador.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -89.8662° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.1558° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 68.99 km Depth of the event in kilometers.
Place 48km S of Acajutla, 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 2017-02-12 18:18:36 Time when the event occurred. UTC/GMT
Updated 2017-02-12 20:51:56 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 284 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 0.812 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 195 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 us20008jeb Id of event.
Event Code 20008jeb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008jeb, A comma-separated list of event ids that are associated to an event.

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