Light earthquake 4.2 mag, 42 km W of Izena, Japan

A light earthquake with magnitude 4.2 (ml/mb) was reported 42 kilometers (26 miles) from Izena in Japan on Tuesday. The temblor was picked up at 01:16:52 / 1:16 am (local time epicenter). Exact time and date of event in UTC/GMT: 13/08/24 / 2024-08-13 01:16:52 / August 13, 2024 @ 1:16 am. The epicenter was at a depth of 87.65 km (54 miles). Exact location of event, longitude 127.516 East, latitude 26.9903 North, depth = 87.65 km. Unique identifier: us6000njrv. Ids that are associated to the event: us6000njrv. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

The epicenter was 88 km (55 miles) from Naha-shi (c. 300 800 pop), 78 km (49 miles) from Okinawa (c. 125 500 pop), 85 km (53 miles) from Ginowan (c. 91 800 pop), 78 km (49 miles) from Gushikawa (c. 65 300 pop), 63 km (39 miles) from Nago (c. 59 600 pop), 91 km (57 miles) from Tomigusuku (c. 55 700 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Tomigusuku, Naha-shi, Ginowan (min 5000 pop).

There are an estimated 13,000 light quakes in the world each year. 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 six earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 42 km W of Izena, Japan. This information comes from the USGS Earthquake Notification Service.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	127.516° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.9903° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	87.65 km	Depth of the event in kilometers.
Place	42 km W of Izena, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2024-08-13 01:16:52	Time when the event occurred. UTC/GMT
Updated	2024-08-13 01:36:44	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	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	29	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.693	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.83 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	us6000njrv	Id of event.
Event Code	6000njrv	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000njrv,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.2 mag, 42 km W of Izena, Japan

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