Light earthquake, 4.7 mag was detected near Hengchun in Taiwan

A light earthquake magnitude 4.7 (ml/mb) strikes 47 kilometers (29 miles) from Hengchun in Taiwan on Friday. Date and time of earthquake in UTC/GMT: 21/02/25 / 2025-02-21 05:33:44 / February 21, 2025 @ 5:33 am. The 4.7-magnitude earthquake was detected at 05:33:44 / 5:33 am (local time epicenter). Exact location of event, longitude 120.4153 East, latitude 21.703 North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Event id: us7000pf5s. Ids that are associated to the earthquake: us7000pf5s. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries that might be effected, Taiwan (c. 22 894 000 pop). The epicenter was 48 km (30 miles) from Hengchun (c. 31 300 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Hengchun.

There are an estimated 13,000 light quakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days three and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 47 km SW of Hengchun, Taiwan. This data comes from the USGS Earthquake Notification Service.

Hengchun Taiwan

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Parameter	Value	Description
Magnitude	4.7 mb	The magnitude for the event.
Longitude	120.4153° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	21.703° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	47 km SW of Hengchun, Taiwan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-02-21 05:33:44	Time when the event occurred. UTC/GMT
Updated	2025-02-21 07:16:41	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	51	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.269	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.64 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	93	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	us7000pf5s	Id of event.
Event Code	7000pf5s	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pf5s,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.7 mag was detected near Hengchun in Taiwan

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