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Light earthquake 4.5 mag, 32 km NNE of Tarakan, Indonesia


Earthquake location 3.5889S, 117.7001WA light earthquake magnitude 4.5 (ml/mb) strikes 32 kilometers (20 miles) from Tarakan in Indonesia on Tuesday. The 4.5-magnitude earthquake has occurred at 08:01:56 / 8:01 am (local time epicenter). Date and time of earthquake in UTC/GMT: 22/12/15 / 2015-12-22 00:01:56 / December 22, 2015 @ 12:01 am. The epicenter of the earthquake was roughly 10 km (6 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 117.7001 East, latitude 3.5889 North, depth = 10 km. Event id: us100048ny. Ids that are associated to the earthquake: us100048ny.

Nearest cities/city/towns to hypocenter/epicentrum was Tawau, Sembakung, Tarakan (min 5000 pop). Nearby country/countries that might be effected, Indonesia (c. 242 968 000 pop), Malaysia (c. 28 275 000 pop). Epicenter of the event was 76 km (47 miles) from Tawau (c. 306 500 pop), 33 km (20 miles) from Tarakan (c. 97 500 pop), 56 km (35 miles) from Sembakung (c. 8 100 pop).

Every 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. In the past 24 hours, there have been two, in the last 10 days four, in the past 30 days four and in the last 365 days four earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel anything?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 32 km NNE of Tarakan, Indonesia. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 117.7001° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 3.5889° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 32km NNE of Tarakan, Indonesia Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-22 00:01:56 Time when the event occurred. UTC/GMT
Updated 2015-12-22 00:34:22 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 312 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 1.767 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.82 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 102 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 us100048ny Id of event.
Event Code 100048ny An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100048ny, A comma-separated list of event ids that are associated to an event.

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