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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag has occurred near Muara Siberut in Indonesia

Posted by admin on October 29, 2015 0 Comments

Earthquake location -2.5392S, 99.8479WA light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 125 km SE of Muara Siberut, Indonesia (78 miles). The earthquake was roughly at a depth of 39.02 km (24 miles). 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 07:02:05 / 7:02 am (local time epicenter). Event id: us10003q8x. Ids that are associated to the earthquake: us10003q8x. Date and time of earthquake in UTC/GMT: 14/10/15 / 2015-10-14 00:02:05 / October 14, 2015 @ 12:02 am. Exact location of earthquake, longitude 99.8479 East, latitude -2.5392 South, depth = 39.02 km.

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days thirteen 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.

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: 125 km SE of Muara Siberut, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 99.8479° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -2.5392° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.02 km Depth of the event in kilometers.
Place 125km 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 2015-10-14 00:02:05 Time when the event occurred. UTC/GMT
Updated 2015-10-29 22:01:59 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 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 4.442 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.47 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 us10003q8x Id of event.
Event Code 10003q8x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10003q8x, A comma-separated list of event ids that are associated to an event.

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