Light earthquake: M4.4 quake has struck near Ryukyu Islands, Japan

Posted by admin on December 19, 2017 0 Comments

A light earthquake magnitude 4.4 (ml/mb) strikes Ryukyu Islands, Japan kilometers (0 miles) from Ryukyu Islands, Japan on Wednesday. The epicenter was at a depth of 44.49 km (28 miles). The 4.4-magnitude earthquake was detected at 20:30:22 / 8:30 pm (local time epicenter). Exact location of earthquake, longitude 127.7981 East, latitude 26.5133 North, depth = 44.49 km. Global time and date of event 22/11/17 / 2017-11-22 20:30:22 / November 22, 2017 @ 8:30 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us1000bjh0. Unique identifier: us1000bjh0.

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Itoman, Tomigusuku, Naha-shi. Epicenter of the earthquake was 35 km (22 miles) from Naha-shi (c. 300 800 pop), 20 km (12 miles) from Okinawa (c. 125 500 pop), 28 km (17 miles) from Ginowan (c. 91 800 pop), 18 km (11 miles) from Gushikawa (c. 65 300 pop), 22 km (14 miles) from Nago (c. 59 600 pop), 45 km (28 miles) from Itoman (c. 57 200 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

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. 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 nineteen earthquakes of magnitude 3.0 or greater that have been detected nearby.

Did you feel it?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: Ryukyu Islands, Japan.

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	127.7981° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.5133° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	44.49 km	Depth of the event in kilometers.
Place	Ryukyu Islands, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2017-11-22 20:30:22	Time when the event occurred. UTC/GMT
Updated	2017-12-19 16:05:53	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	298	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	0.532	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.14 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	132	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	us1000bjh0	Id of event.
Event Code	1000bjh0	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000bjh0,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.4 quake has struck near Ryukyu Islands, Japan

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