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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Hualian in Taiwan


Earthquake location 24.1798S, 121.8219WA light earthquake with magnitude 4.7 (ml/mb) was reported 31 kilometers (19 miles) from Hualian in Taiwan on Sunday. The 4.7-magnitude earthquake has occurred at 22:12:01 / 10:12 pm (local time epicenter). Event ids that are associated to the earthquake: us2000d26j. Id of event: us2000d26j. 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: 04/02/18 / 2018-02-04 14:12:01 / February 4, 2018 @ 2:12 pm. The epicenter was at a depth of 10 km (6 miles). Exact location of event, depth 10 km, 121.8219° East, 24.1798° North.

Close country/countries that might be effected, Taiwan (c. 22 894 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Banqiao, Daxi, Puli (min 5000 pop). Epicenter of the event was 99 km (62 miles) from Banqiao (c. 543 300 pop), 32 km (20 miles) from Hualian (c. 350 500 pop), 65 km (40 miles) from Yilan (c. 94 200 pop), 90 km (56 miles) from Puli (c. 86 400 pop), 95 km (59 miles) from Daxi (c. 84 500 pop).

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

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 31 km NE of Hualian, Taiwan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 121.8219° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.1798° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 31km NE of Hualian, Taiwan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-04 14:12:01 Time when the event occurred. UTC/GMT
Updated 2018-02-15 20:30:34 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 340 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 0.207 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.83 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 137 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 us2000d26j Id of event.
Event Code 2000d26j An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d26j, A comma-separated list of event ids that are associated to an event.

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