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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 28 km NNW of Taitung City, Taiwan

Earthquake location 22.9871S, 121.0165WA light earthquake magnitude 4.2 (ml/mb) has occurred on Monday, 28 kilometers (17 miles) from Taitung City in Taiwan. The temblor was detected at 05:08:42 / 5:08 am (local time epicenter). Event id: us2000ck03. Ids that are associated to the earthquake: us2000ck03. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 31/12/17 / 2017-12-31 21:08:42 / December 31, 2017 @ 9:08 pm. Exact location of earthquake, longitude 121.0165 East, latitude 22.9871 North, depth = 1.15 km. The earthquake occurred at a depth of 1.15 km (1 miles) below the earth’s surface.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Lugu, Kaohsiung, Tainan. Earthquake epicenter was 83 km (52 miles) from Kaohsiung (c. 1 519 700 pop), 82 km (51 miles) from Tainan (c. 771 200 pop), 29 km (18 miles) from Taitung City (c. 109 600 pop), 89 km (55 miles) from Lugu (c. 19 600 pop), 59 km (37 miles) from Yujing (c. 16 600 pop). Close country/countries that might be effected, Taiwan (c. 22 894 000 pop).

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. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days twenty-four earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel it?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 28 km NNW of Taitung City, Taiwan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 121.0165° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 22.9871° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 1.15 km Depth of the event in kilometers.
Place 28km NNW of Taitung City, Taiwan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-31 21:08:42 Time when the event occurred. UTC/GMT
Updated 2018-01-30 04:16:33 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 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 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 0.178 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.92 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 114 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 us2000ck03 Id of event.
Event Code 2000ck03 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000ck03, A comma-separated list of event ids that are associated to an event.

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