Light earthquake: M4.6 quake has struck near Hengchun in Taiwan

A light earthquake magnitude 4.6 (ml/mb) has struck on Thursday, 37 kilometers (23 miles) from Hengchun in Taiwan. Event ids that are associated to the earthquake: us7000ndkn. Id of event: us7000ndkn. The temblor was reported at 11:14:54 / 11:14 am (local time epicenter). Exact time and date of event in UTC/GMT: 22/08/24 / 2024-08-22 11:14:54 / August 22, 2024 @ 11:14 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 121.1073° East, 21.9901° North, depth 31.566 km. The earthquake occurred at a depth of 31.566 km (20 miles).

Epicenter of the earthquake was 86 km (53 miles) from Taitung City (c. 109 600 pop), 37 km (23 miles) from Hengchun (c. 31 300 pop). Closest city/cities/towns to epicentrum/hypocenter was Taitung City, Hengchun (min 5000 pop). Close country/countries that might be effected, Taiwan (c. 22 894 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days seven earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. 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: 37 km E of Hengchun, Taiwan.

More information

Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	121.1073° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	21.9901° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	31.566 km	Depth of the event in kilometers.
Place	37 km E 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	2024-08-22 11:14:54	Time when the event occurred. UTC/GMT
Updated	2024-09-17 13:12:28	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	326	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	28	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.824	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.55 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	212	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	us7000ndkn	Id of event.
Event Code	7000ndkn	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000ndkn,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.6 quake has struck near Hengchun in Taiwan

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