Light earthquake, 4.1 mag was detected near Hitachi in Japan

A light earthquake with magnitude 4.1 (ml/mb) was reported 13 kilometers (8 miles) from Hitachi in Japan on Thursday. Exact location of earthquake, longitude 140.5426 East, latitude 36.6912 North, depth = 94.766 km. The temblor was detected at 08:18:30 / 8:18 am (local time epicenter). The epicenter was at a depth of 94.766 km (59 miles). Event id: us7000pbvc. Ids that are associated to the earthquake: us7000pbvc. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 30/01/25 / 2025-01-30 08:18:30 / January 30, 2025 @ 8:18 am UTC/GMT.

Country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 60 km (38 miles) from Utsunomiya-shi (c. 449 900 pop), 50 km (31 miles) from Iwaki (c. 357 300 pop), 80 km (50 miles) from Kōriyama (c. 340 600 pop), 40 km (25 miles) from Mito-shi (c. 246 500 pop), 14 km (9 miles) from Hitachi (c. 186 300 pop), 67 km (42 miles) from Tsukuba (c. 175 600 pop). Nearest cities/city/villages to epicentrum/hypocenter was Mitsukaidō, Sawara, Ushiku (min 5000 pop).

In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days five and in the last 365 days fourty-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. There are an estimated 13,000 light quakes in the world each year.

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 13 km NW of Hitachi, Japan.

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Parameter	Value	Description
Magnitude	4.1 mb	The magnitude for the event.
Longitude	140.5426° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.6912° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	94.766 km	Depth of the event in kilometers.
Place	13 km NW of Hitachi, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-01-30 08:18:30	Time when the event occurred. UTC/GMT
Updated	2025-02-20 10:25:18	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	259	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	16	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	1.883	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.77 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	160	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	us7000pbvc	Id of event.
Event Code	7000pbvc	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000pbvc,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.1 mag was detected near Hitachi in Japan

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