Light earthquake, 4.2 mag strikes near Ōtaki in Japan

A light earthquake with magnitude 4.2 (ml/mb) was detected on Sunday, 3 kilometers (2 miles) from Ōtaki in Japan. Event id: us7000rfk8. Ids that are associated to the earthquake: us7000rfk8. The temblor was reported at 07:03:24 / 7:03 am (local time epicenter). Exact location of event, depth 68.858 km, 140.2222° East, 35.31° North. Date and time of earthquake in UTC/GMT: 16/11/25 / 2025-11-16 07:03:24 / November 16, 2025 @ 7:03 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 68.858 km (43 miles).

Closest city/cities/towns to epicentrum/hypocenter was Ishige, Sugito, Ageoshimo (min 5000 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the event was 64 km (40 miles) from Tokyo (c. 8 336 600 pop), 55 km (34 miles) from Yokohama (c. 3 574 400 pop), 51 km (32 miles) from Kawasaki (c. 1 306 800 pop), 84 km (52 miles) from Saitama (c. 1 193 400 pop), 83 km (52 miles) from Yono (c. 1 077 700 pop), 34 km (21 miles) from Chiba (c. 919 700 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been two, in the last 10 days three, in the past 30 days seven and in the last 365 days fifty-one earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking 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: 3 km NW of Ōtaki, Japan.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	140.2222° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	35.31° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	68.858 km	Depth of the event in kilometers.
Place	3 km NW of Ōtaki, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-11-16 07:03:24	Time when the event occurred. UTC/GMT
Updated	2025-12-06 07:54:20	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	25	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	2.044	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.82 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	131	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	us7000rfk8	Id of event.
Event Code	7000rfk8	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rfk8,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag strikes near Ōtaki in Japan

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