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Light earthquake: M4.4 quake has struck near Taitung in Taiwan

Earthquake location 23.331S, 121.4131WA light earthquake magnitude 4.4 (ml/mb) has struck on Saturday, 68 kilometers (42 miles) from Taitung in Taiwan. The 4.4-magnitude earthquake has occurred at 23:39:43 / 11:39 pm (local time epicenter). Exact time and date of event in UTC/GMT: 12/12/15 / 2015-12-12 15:39:43 / December 12, 2015 @ 3:39 pm. Exact location of event, longitude 121.4131 East, latitude 23.331 North, depth = 15.21 km. The earthquake was roughly at a depth of 15.21 km (9 miles). Unique identifier: us20004grk. Ids that are associated to the event: us20004grk. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Taiwan (c. 22 894 000 pop) (That might be effected). The epicenter was 74 km (46 miles) from Hualian (c. 350 500 pop), 69 km (43 miles) from Taitung City (c. 109 600 pop), 84 km (52 miles) from Puli (c. 86 400 pop), 82 km (51 miles) from Lugu (c. 19 600 pop). Nearest cities/city/villages to epicentrum/hypocenter was Puli, Lugu, Hualian (min 5000 pop).

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 two, in the past 30 days four and in the last 365 days thirty-four earthquakes of magnitude 3.0 or greater that have been detected in the same area. There are an estimated 13,000 light earthquakes in the world each year.

Did you feel the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 68 km NNE of Taitung, Taiwan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 121.4131° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 23.331° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.21 km Depth of the event in kilometers.
Place 68km NNE of Taitung, Taiwan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2015-12-12 15:39:43 Time when the event occurred. UTC/GMT
Updated 2015-12-12 17:22:22 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 298 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 0.122 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 103 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 us20004grk Id of event.
Event Code 20004grk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004grk, A comma-separated list of event ids that are associated to an event.

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