Light earthquake, 4.4 mag strikes near Yonakuni in Japan

A light earthquake magnitude 4.4 (ml/mb) strikes 66 km SW of Yonakuni, Japan (41 miles) on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 23:21:21 / 11:21 pm (local time epicenter). All ids that are associated to the event: us1000h3cj. Unique identifier: us1000h3cj. Exact time and date of event in UTC/GMT: 21/09/18 / 2018-09-21 15:21:21 / September 21, 2018 @ 3:21 pm. Exact location of earthquake, 122.5399° East, 24.0359° North, depth 44.19 km. The epicenter of the earthquake was roughly 44.19 km (27 miles) below the earth’s surface.

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days six and in the last 365 days eighty-eight earthquakes of magnitude 3.0 or greater that has struck near. 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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 66 km SW of Yonakuni, Japan. This data comes from the USGS Earthquake Notification Service.

Japan Yonakuni

More information

Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	122.5399° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	24.0359° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	44.19 km	Depth of the event in kilometers.
Place	66km SW 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	2018-09-21 15:21:21	Time when the event occurred. UTC/GMT
Updated	2018-10-21 13:32:23	Time when the event was most recently updated. UTC/GMT
Timezone offset	480	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	0.607	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.23 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	109	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	us1000h3cj	Id of event.
Event Code	1000h3cj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000h3cj,	A comma-separated list of event ids that are associated to an event.

Earthquakes today

Current and latest world earthquakes breaking news, activity and articles today

Light earthquake, 4.4 mag strikes near Yonakuni in Japan

Questions or comments?

More information

Leave a ReplyCancel reply

Follow us!

Tsunami videos

Categories

Information