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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Parapat in Indonesia


Earthquake location 2.4699S, 99.0187WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, 23 kilometers (14 miles) from Parapat in Indonesia. Event ids that are associated to the earthquake: us10005dcy. Id of event: us10005dcy. The earthquake occurred at a depth of 143 km (89 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 99.0187 East, latitude 2.4699 North, depth = 143 km. Date and time of earthquake in UTC/GMT: 22/04/16 / 2016-04-22 00:16:40 / April 22, 2016 @ 12:16 am. The temblor was reported at 07:16:40 / 7:16 am (local time epicenter).

Epicenter of the event was 55 km (34 miles) from Pematangsiantar (c. 209 600 pop), 88 km (54 miles) from Kisaran (c. 129 900 pop), 85 km (53 miles) from Sibolga (c. 79 700 pop), 74 km (46 miles) from Pekan Bahapal (c. 40 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Kisaran, Sibolga, Pekan Bahapal (min 5000 pop). Country/countries that might be effected, Indonesia (c. 242 968 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light quakes in the world. 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 eight earthquakes of magnitude 3.0 or greater that have been detected nearby.

Questions or comments?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 23 km SSE of Parapat, Indonesia. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 99.0187° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 2.4699° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 143 km Depth of the event in kilometers.
Place 23km SSE of Parapat, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-04-22 00:16:40 Time when the event occurred. UTC/GMT
Updated 2016-05-13 02:10:42 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 246 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 0.242 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 89 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 us10005dcy Id of event.
Event Code 10005dcy An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005dcy, A comma-separated list of event ids that are associated to an event.

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