Light earthquake: M4.6 quake has struck near Nago in Japan

A light earthquake magnitude 4.6 (ml/mb) has struck on Friday, 167 km E of Nago, Japan (104 miles). The 4.6-magnitude earthquake was detected at 08:06:02 / 8:06 am (local time epicenter). 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 10 km (6 miles). Exact location of event, longitude 129.6555 East, latitude 26.7164 North, depth = 10 km. Event ids that are associated to the earthquake: us2000hhxa. Id of event: us2000hhxa. Date and time of earthquake in UTC/GMT: 20/09/18 / 2018-09-20 23:06:02 / September 20, 2018 @ 11:06 pm.

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

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: 167 km E of Nago, Japan.

Japan Nago

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Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	129.6555° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.7164° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	167km E of Nago, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-09-20 23:06:02	Time when the event occurred. UTC/GMT
Updated	2018-09-20 23:31:46	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	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		The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.242	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	81	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	us2000hhxa	Id of event.
Event Code	2000hhxa	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000hhxa,	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 Nago in Japan

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