Light earthquake 4.3 mag, Izu Islands, Japan region

A light earthquake magnitude 4.3 (ml/mb) has struck on Friday, Izu Islands, Japan region (0 miles). The temblor was picked up at 08:03:00 / 8:03 am (local time epicenter). The epicenter of the earthquake was roughly 436.54 km (271 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 26/12/25 / 2025-12-26 08:03:00 / December 26, 2025 @ 8:03 am. Event ids that are associated to the earthquake: us7000rkv9. Id of event: us7000rkv9. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, depth 436.54 km, 138.425° East, 30.3492° North.

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

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Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: Izu Islands, Japan region.

Izu Islands Japan region

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Parameter	Value	Description
Magnitude	4.3 mb	The magnitude for the event.
Longitude	138.425° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	30.3492° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	436.54 km	Depth of the event in kilometers.
Place	Izu Islands, Japan region	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2025-12-26 08:03:00	Time when the event occurred. UTC/GMT
Updated	2025-12-26 08:15:07	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	284	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	69	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance	3.001	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.65 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	89	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	us7000rkv9	Id of event.
Event Code	7000rkv9	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us7000rkv9,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4.3 mag, Izu Islands, Japan region

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