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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Acajutla in El Salvador

Earthquake location 12.8956S, -90.0635WA light earthquake with magnitude 4.3 (ml/mb) was reported 81 kilometers (50 miles) from Acajutla in El Salvador on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 61.65 km (38 miles) below the earth’s surface. Exact location, longitude -90.0635° West, latitude 12.8956° North, depth = 61.65 km. Id of earthquake: us10008wfs. Event ids that are associated: us10008wfs. The temblor was reported at 06:09:58 / 6:09 am (local time epicenter). Date and time of earthquake in UTC/GMT: 13/05/17 / 2017-05-13 12:09:58 / May 13, 2017 @ 12:09 pm.

Close country/countries, El Salvador (c. 6 052 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Acajutla. Event epicenter was 82 km (51 miles) from Acajutla (c. 22 800 pop).

In the past 24 hours, there have been fifteen, in the last 10 days nineteen, in the past 30 days twenty and in the last 365 days fifty-eight earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 81 km SSW of Acajutla, El Salvador.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -90.0635° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.8956° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 61.65 km Depth of the event in kilometers.
Place 81km SSW 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 2017-05-13 12:09:58 Time when the event occurred. UTC/GMT
Updated 2017-06-02 06:27:19 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 1.128 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 188 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 us10008wfs Id of event.
Event Code 10008wfs An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008wfs, A comma-separated list of event ids that are associated to an event.

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