Light earthquake, 4.1 mag was detected near Yonakuni in Japan

A light earthquake magnitude 4.1 (ml/mb) strikes 56 kilometers (35 miles) from Yonakuni in Japan on Wednesday. The 4.1-magnitude earthquake has occurred at 09:46:32 / 9:46 am (local time epicenter). Exact time and date of earthquake 12/08/15 / 2015-08-12 01:46:32 / August 12, 2015 @ 1:46 am UTC/GMT. Exact location of earthquake, 122.4485° East, 24.5518° North, depth 88.75 km. Id of earthquake: us100034xm. Event ids that are associated: us100034xm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 88.75 km (55 miles).

Epicenter of the earthquake was 74 km (46 miles) from Yilan (c. 94 200 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yilan. 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. Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 56 km W of Yonakuni, Japan.

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	122.4485° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	24.5518° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	88.75 km	Depth of the event in kilometers.
Place	56km W of Yonakuni, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-08-12 01:46:32	Time when the event occurred. UTC/GMT
Updated	2015-08-26 00:53:59	Time when the event was most recently updated. UTC/GMT
Timezone offset	480	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	259	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	0.519	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.62 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	65	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	us100034xm	Id of event.
Event Code	100034xm	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us100034xm,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag was detected near Yonakuni in Japan

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