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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Acajutla in El Salvador

Earthquake location 13.162S, -89.8987WA light earthquake with magnitude 4 (ml/mb) was reported 48 kilometers (30 miles) from Acajutla in El Salvador on Friday. Unique identifier: us2000c212. Ids that are associated to the event: us2000c212. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 14:04:25 / 2:04 pm (local time epicenter). Global time and date of event 01/12/17 / 2017-12-01 20:04:25 / December 1, 2017 @ 8:04 pm UTC/GMT. Exact location of event, depth 23.32 km, -89.8987° West, 13.162° North. The earthquake was roughly at a depth of 23.32 km (14 miles).

Nearest cities/city/towns to hypocenter/epicentrum was Ciudad Arce, Antiguo Cuscatlán, Santa Tecla (min 5000 pop). The epicenter was 88 km (55 miles) from Santa Tecla (c. 124 700 pop), 65 km (40 miles) from Sonsonate (c. 59 500 pop), 85 km (53 miles) from Ahuachapán (c. 34 100 pop), 89 km (56 miles) from Antiguo Cuscatlán (c. 33 800 pop), 49 km (30 miles) from Acajutla (c. 22 800 pop), 69 km (43 miles) from Izalco (c. 19 200 pop). Country/countries that might be effected, El Salvador (c. 6 052 000 pop).

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

Did you feel the quake?

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 mb The magnitude for the event.
Longitude -89.8987° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 13.162° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.32 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 2017-12-01 20:04:25 Time when the event occurred. UTC/GMT
Updated 2017-12-25 19:18:17 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 246 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 0.832 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 183 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 us2000c212 Id of event.
Event Code 2000c212 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000c212, A comma-separated list of event ids that are associated to an event.

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