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Light earthquake, 4.6 mag strikes near Muara Siberut in Indonesia


Earthquake location -2.3487S, 99.9425WA light earthquake magnitude 4.6 (ml/mb) strikes 116 km SE of Muara Siberut, Indonesia (72 miles) on Wednesday. Exact location, longitude 99.9425° East, latitude -2.3487° South, depth = 40.2 km. Global time and date of event 07/12/16 / 2016-12-07 10:31:58 / December 7, 2016 @ 10:31 am UTC/GMT. Id of earthquake: us10007gli. Event ids that are associated: us10007gli. The earthquake occurred at a depth of 40.2 km (25 miles) below the earth’s surface. The temblor was reported at 17:31:58 / 5:31 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

There are an estimated 13,000 light quakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. 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 nineteen earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city 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: 116 km SE of Muara Siberut, Indonesia.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 99.9425° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.3487° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.2 km Depth of the event in kilometers.
Place 116km SE of Muara Siberut, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-12-07 10:31:58 Time when the event occurred. UTC/GMT
Updated 2016-12-07 11:19:43 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 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 326 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 2.874 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 160 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 us10007gli Id of event.
Event Code 10007gli An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007gli, A comma-separated list of event ids that are associated to an event.

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