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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag strikes near Cigaru in Indonesia

Earthquake location -7.1171S, 106.5908WA light earthquake magnitude 4 (ml/mb) has occurred on Friday, 2 kilometers (1 miles) from Cigaru in Indonesia. Event id: us1000bui7. Ids that are associated to the earthquake: us1000bui7. The temblor was reported at 23:04:36 / 11:04 pm (local time epicenter). The epicenter was at a depth of 83.56 km (52 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 106.5908 East, latitude -7.1171 South, depth = 83.56 km. Date and time of earthquake in UTC/GMT: 15/12/17 / 2017-12-15 16:04:36 / December 15, 2017 @ 4:04 pm.

Event epicenter was 84 km (52 miles) from Depok (c. 1 198 100 pop), 62 km (39 miles) from Bogor (c. 800 000 pop), 43 km (27 miles) from Sukabumi (c. 276 400 pop), 64 km (40 miles) from Ciampea (c. 207 200 pop), 90 km (56 miles) from Cileungsir (c. 202 200 pop), 79 km (49 miles) from Parung (c. 193 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Cileungsir, Serpong, Pamulang. Close country/countries that might be effected, Indonesia (c. 242 968 000 pop).

In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days seven and in the last 365 days nineteen earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light earthquakes in the world each year. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 2 km SSW of Cigaru, Indonesia. This information 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 106.5908° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -7.1171° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 83.56 km Depth of the event in kilometers.
Place 2km SSW of Cigaru, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-15 16:04:36 Time when the event occurred. UTC/GMT
Updated 2018-01-13 17:49:17 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 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 3.468 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 110 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 us1000bui7 Id of event.
Event Code 1000bui7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000bui7, A comma-separated list of event ids that are associated to an event.

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