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Light earthquake, 4.2 mag was detected near Sai in Japan

Posted by admin on June 22, 2025 0 Comments

A light earthquake magnitude 4.2 (ml/mb) strikes 14 kilometers (9 miles) from Sai in Japan on Sunday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 150.285 km, 140.6892° East, 41.4497° North. Event id: us6000qlun. Ids that are associated to the earthquake: us6000qlun. Global date and time of event UTC/GMT: 22/06/25 / 2025-06-22 21:32:59 / June 22, 2025 @ 9:32 pm. The earthquake occurred at a depth of 150.285 km (93 miles). The 4.2-magnitude earthquake was detected at 21:32:59 / 9:32 pm (local time epicenter).

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Kuroishi, Namioka, Shimokizukuri. The epicenter was 70 km (43 miles) from Aomori Shi (c. 298 400 pop), 36 km (23 miles) from Hakodate (c. 275 700 pop), 48 km (30 miles) from Mutsu (c. 49 200 pop), 75 km (46 miles) from Goshogawara (c. 49 100 pop), 90 km (56 miles) from Kuroishi (c. 38 600 pop), 41 km (26 miles) from Kamiiso (c. 38 100 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days seventeen earthquakes of magnitude 3.0 or greater that was reported nearby. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 14 km W of Sai, Japan.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	140.6892° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	41.4497° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	150.285 km	Depth of the event in kilometers.
Place	14 km W of Sai, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-06-22 21:32:59	Time when the event occurred. UTC/GMT
Updated	2025-06-22 22:35:12	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	24	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	0.718	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.31 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	84	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	us6000qlun	Id of event.
Event Code	6000qlun	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000qlun,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag was detected near Sai in Japan

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