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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Acajutla in El Salvador

Earthquake location 12.9499S, -90.0032WA light earthquake with magnitude 4.3 (ml/mb) was reported 73 kilometers (45 miles) from Acajutla in El Salvador on Sunday. Exact location of event, depth 35 km, -90.0032° West, 12.9499° North. The earthquake was roughly at a depth of 35 km (22 miles). 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: 08/01/17 / 2017-01-08 06:29:10 / January 8, 2017 @ 6:29 am. Unique identifier: us10007vcg. Ids that are associated to the event: us10007vcg. The 4.3-magnitude earthquake was detected at 00:29:10 / 12:29 am (local time epicenter).

Close country/countries, El Salvador (c. 6 052 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Sonzacate, Sonsonate, San Antonio del Monte (min 5000 pop). The epicenter was 91 km (56 miles) from Sonsonate (c. 59 500 pop), 74 km (46 miles) from Acajutla (c. 22 800 pop), 93 km (58 miles) from Sonzacate (c. 15 400 pop), 90 km (56 miles) from San Antonio del Monte (c. 9 100 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days ten and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that was reported nearby. 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. 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: 73 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 -90.0032° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.9499° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 73km 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 2017-01-08 06:29:10 Time when the event occurred. UTC/GMT
Updated 2017-02-04 07:00:31 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 1.049 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 119 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 us10007vcg Id of event.
Event Code 10007vcg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007vcg, A comma-separated list of event ids that are associated to an event.

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