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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Muara Siberut in Indonesia


Earthquake location -2.1579S, 99.3413WA light earthquake magnitude 4.2 (ml/mb) has struck on Tuesday, 63 km SSE of Muara Siberut, Indonesia (39 miles). Exact time and date of earthquake 21/06/16 / 2016-06-21 16:00:22 / June 21, 2016 @ 4:00 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake was detected at 23:00:22 / 11:00 pm (local time epicenter). All ids that are associated to the event: us200066jx. Unique identifier: us200066jx. Exact location of event, longitude 99.3413 East, latitude -2.1579 South, depth = 10 km. The epicenter was at a depth of 10 km (6 miles).

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 two, in the past 30 days three and in the last 365 days ten earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 63 km SSE of Muara Siberut, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 99.3413° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.1579° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 63km SSE 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 2016-06-21 16:00:22 Time when the event occurred. UTC/GMT
Updated 2016-07-20 14:56:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 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 271 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 2.995 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.68 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 158 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 us200066jx Id of event.
Event Code 200066jx An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us200066jx, A comma-separated list of event ids that are associated to an event.

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