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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Krajan Tambakrejo in Indonesia


Earthquake location -9.6322S, 112.9668WA light earthquake magnitude 4.2 (ml/mb) has struck on Friday, 138 km SSE of Krajan Tambakrejo, Indonesia (86 miles). The earthquake occurred at a depth of 40.92 km (25 miles) below the earth’s surface. Unique identifier: us100048sw. Ids that are associated to the event: us100048sw. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 14:10:26 / 2:10 pm (local time epicenter). Global time and date of event 18/12/15 / 2015-12-18 06:10:26 / December 18, 2015 @ 6:10 am UTC/GMT. Exact location of event, depth 40.92 km, 112.9668° East, -9.6322° South.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days two and in the last 365 days ten earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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: 138 km SSE of Krajan Tambakrejo, 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 112.9668° East Decimal degrees longitude. Negative values for western longitudes.
Latitude -9.6322° South Decimal degrees latitude. Negative values for southern latitudes.
Depth 40.92 km Depth of the event in kilometers.
Place 138km SSE of Krajan Tambakrejo, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-18 06:10:26 Time when the event occurred. UTC/GMT
Updated 2016-01-08 11:57:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 1.644 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.24 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 82 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 us100048sw Id of event.
Event Code 100048sw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100048sw, A comma-separated list of event ids that are associated to an event.

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