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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Tateyama in Japan

Posted by admin on October 25, 2025 0 Comments

Earthquake location 32.7003S, 140.906WA light earthquake magnitude 4.4 (ml/mb) has struck on Saturday, 270 km SSE of Tateyama, Japan (168 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Date and time of earthquake in UTC/GMT: 04/10/25 / 2025-10-04 02:35:51 / October 4, 2025 @ 2:35 am. The temblor was reported at 02:35:51 / 2:35 am (local time epicenter). Exact location of earthquake, longitude 140.906 East, latitude 32.7003 North, depth = 64.038 km. The epicenter was at a depth of 64.038 km (40 miles). Id of earthquake: us6000rj66. Event ids that are associated: us6000rj66.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days four and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that has struck near.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 270 km SSE of Tateyama, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.906° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 32.7003° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 64.038 km Depth of the event in kilometers.
Place 270 km SSE of Tateyama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-10-04 02:35:51 Time when the event occurred. UTC/GMT
Updated 2025-10-25 01:29:14 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 298 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 1.008 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.52 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 203 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 us6000rj66 Id of event.
Event Code 6000rj66 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rj66, A comma-separated list of event ids that are associated to an event.

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