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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag strikes near Hualien City in Taiwan

Earthquake location 23.7022S, 121.525WA light earthquake magnitude 4.7 (ml/mb) strikes 31 kilometers (19 miles) from Hualien City in Taiwan on Tuesday. Exact location, longitude 121.525° East, latitude 23.7022° North, depth = 16.961 km. Event id: us6000mx74. Ids that are associated to the earthquake: us6000mx74. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 16.961 km (11 miles). The temblor was detected at 13:58:06 / 1:58 pm (local time epicenter). Global time and date of event 30/04/24 / 2024-04-30 13:58:06 / April 30, 2024 @ 1:58 pm UTC/GMT.

Close country/countries, Taiwan (c. 22 894 000 pop) (That might be effected). The epicenter was 99 km (61 miles) from Taichung (c. 1 040 700 pop), 32 km (20 miles) from Hualian (c. 350 500 pop), 91 km (56 miles) from Nantou (c. 105 700 pop), 64 km (40 miles) from Puli (c. 86 400 pop), 90 km (56 miles) from Zhongxing New Village (c. 25 500 pop), 79 km (49 miles) from Lugu (c. 19 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Taichung, Nantou, Zhongxing New Village.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been thirty-one, in the last 10 days one hundred and fourty-six, in the past 30 days one hundred and fifty-one and in the last 365 days one hundred and fifty-one earthquakes of magnitude 3.0 or greater that has struck near.

Questions or comments?

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. 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: 31 km SSW of Hualien City, Taiwan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 121.525° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 23.7022° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 16.961 km Depth of the event in kilometers.
Place 31 km SSW of Hualien 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 2024-04-30 13:58:06 Time when the event occurred. UTC/GMT
Updated 2024-05-27 17:33:25 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 39 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.373 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 88 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 us6000mx74 Id of event.
Event Code 6000mx74 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000mx74, A comma-separated list of event ids that are associated to an event.

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