Light earthquake 4.2 mag, 56 km SSW of Yonakuni, Japan

A light earthquake magnitude 4.2 (ml/mb) has struck on Monday, 56 km SSW of Yonakuni, Japan (35 miles). Exact location of earthquake, longitude 122.7388 East, latitude 24.0128 North, depth = 34.84 km. The epicenter was at a depth of 34.84 km (22 miles). Id of earthquake: us20003fdw. Event ids that are associated: us20003fdw. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 16/08/15 / 2015-08-16 23:58:33 / August 16, 2015 @ 11:58 pm UTC/GMT. The temblor was picked up at 07:58:33 / 7:58 am (local time epicenter).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been four, in the last 10 days eight, in the past 30 days nine and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that have been detected nearby. Each year there are an estimated 13,000 light earthquakes in the world.

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How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage 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 SSW of Yonakuni, Japan.

Japan Yonakuni

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	122.7388° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	24.0128° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	34.84 km	Depth of the event in kilometers.
Place	56km SSW 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	2015-08-16 23:58:33	Time when the event occurred. UTC/GMT
Updated	2015-09-12 02:23:16	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	271	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	0.516	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.78 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	91	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	us20003fdw	Id of event.
Event Code	20003fdw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20003fdw,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.2 mag, 56 km SSW of Yonakuni, Japan

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