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Light earthquake, 4.2 mag has occurred near Padangsidempuan in Indonesia


Earthquake location 1.099S, 98.9888WA light earthquake with magnitude 4.2 (ml/mb) was reported 42 kilometers (26 miles) from Padangsidempuan in Indonesia on Sunday. The 4.2-magnitude earthquake was detected at 05:50:44 / 5:50 am (local time epicenter). Global date and time of event UTC/GMT: 03/02/18 / 2018-02-03 22:50:44 / February 3, 2018 @ 10:50 pm. The epicenter was at a depth of 106.01 km (66 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us1000cfhr. Unique identifier: us1000cfhr. Exact location of event, longitude 98.9888 East, latitude 1.099 North, depth = 106.01 km.

Epicenter of the event was 44 km (28 miles) from Padangsidempuan (c. 100 600 pop), 75 km (47 miles) from Sibolga (c. 79 700 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sibolga, Padangsidempuan (min 5000 pop). Close country/countries that might be effected, Indonesia (c. 242 968 000 pop).

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 three and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel the quake?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 42 km SW of Padangsidempuan, Indonesia.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 98.9888° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 1.099° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 106.01 km Depth of the event in kilometers.
Place 42km SW of Padangsidempuan, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-03 22:50:44 Time when the event occurred. UTC/GMT
Updated 2018-02-03 23:09:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 420 Timezone offset from UTC in minutes at the event epicenter.
Felt 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 1.427 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 155 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 us1000cfhr Id of event.
Event Code 1000cfhr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000cfhr, A comma-separated list of event ids that are associated to an event.

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