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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, offshore El Salvador


Earthquake location 12.8042S, -88.6242WA light earthquake with magnitude 4.3 (ml/mb) was detected on Thursday, offshore El Salvador kilometers (0 miles) from offshore El Salvador. Event id: us20006gkw. Ids that are associated to the earthquake: us20006gkw. The 4.3-magnitude earthquake was detected at 22:45:59 / 10:45 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude -88.6242° West, latitude 12.8042° North, depth = 48.63 km. The epicenter was at a depth of 48.63 km (30 miles). Date and time of earthquake in UTC/GMT: 21/07/16 / 2016-07-21 22:45:59 / July 21, 2016 @ 10:45 pm.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was San Miguel, El Rosario, Santiago Nonualco. Close country/countries that might be effected, El Salvador (c. 6 052 000 pop). Epicenter of the event was 89 km (56 miles) from San Miguel (c. 161 900 pop), 64 km (39 miles) from Usulután (c. 51 900 pop), 82 km (51 miles) from Zacatecoluca (c. 39 600 pop), 71 km (44 miles) from San Rafael Oriente (c. 19 100 pop), 54 km (33 miles) from Puerto El Triunfo (c. 19 100 pop), 77 km (48 miles) from Santiago de María (c. 15 000 pop).

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days sixty 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 earthquakes in the world each year.

Did you feel the quake?

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: offshore El Salvador.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude -88.6242° West Decimal degrees longitude. Negative values for western longitudes.
Latitude 12.8042° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.63 km Depth of the event in kilometers.
Place offshore 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 2016-07-21 22:45:59 Time when the event occurred. UTC/GMT
Updated 2016-07-30 22:46:26 Time when the event was most recently updated. UTC/GMT
Timezone offset Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.058 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.81 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us20006gkw Id of event.
Event Code 20006gkw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20006gkw, A comma-separated list of event ids that are associated to an event.

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