Light earthquake: M4.5 quake has struck near Naze in Japan

A light earthquake with magnitude 4.5 (ml/mb) was reported 161 km NNW of Naze, Japan (100 miles) on Saturday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us2000a7f4. Ids that are associated to the earthquake: us2000a7f4. Exact time and date of event in UTC/GMT: 11/08/17 / 2017-08-11 20:16:12 / August 11, 2017 @ 8:16 pm. The epicenter of the earthquake was roughly 203.57 km (126 miles) below the earth’s surface. Exact location of earthquake, longitude 129.0154 East, latitude 29.7612 North, depth = 203.57 km. The temblor was reported at 05:16:12 / 5:16 am (local time epicenter).

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

Questions or comments?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 161 km NNW of Naze, Japan. This information comes from the USGS Earthquake Notification Service.

Japan Naze

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Parameter	Value	Description
Magnitude	4.5 mb	The magnitude for the event.
Longitude	129.0154° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	29.7612° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	203.57 km	Depth of the event in kilometers.
Place	161km NNW of Naze, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-08-11 20:16:12	Time when the event occurred. UTC/GMT
Updated	2017-08-11 20:51:43	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	312	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	2.137	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.74 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	86	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	us2000a7f4	Id of event.
Event Code	2000a7f4	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000a7f4,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.5 quake has struck near Naze in Japan

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