Light earthquake: M4.9 quake has struck near Miyako in Japan

A light earthquake with magnitude 4.9 (ml/mb) was detected on Sunday, 117 km E of Miyako, Japan (73 miles). Exact location of event, longitude 143.3046 East, latitude 39.6004 North, depth = 27.166 km. Unique identifier: us6000rmi9. Ids that are associated to the event: us6000rmi9. The temblor was picked up at 22:41:31 / 10:41 pm (local time epicenter). The epicenter was at a depth of 27.166 km (17 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 09/11/25 / 2025-11-09 22:41:31 / November 9, 2025 @ 10:41 pm UTC/GMT.

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

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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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 117 km E of Miyako, Japan. This data comes from the USGS Earthquake Notification Service.

Japan Miyako

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Parameter	Value	Description
Magnitude	4.9 mb	The magnitude for the event.
Longitude	143.3046° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	39.6004° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	27.166 km	Depth of the event in kilometers.
Place	117 km E of Miyako, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-09 22:41:31	Time when the event occurred. UTC/GMT
Updated	2025-11-09 23:00:11	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	369	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	46	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.087	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.54 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	135	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	us6000rmi9	Id of event.
Event Code	6000rmi9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000rmi9,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.9 quake has struck near Miyako in Japan

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