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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 100 km E of Yokohama, Japan

Posted by admin on December 17, 2025 0 Comments

Earthquake location 41.1532S, 142.4489WA light earthquake with magnitude 4.6 (ml/mb) was detected on Wednesday, 100 km E of Yokohama, Japan (62 miles). Exact location of earthquake, 142.4489° East, 41.1532° North, depth 51.049 km. The epicenter of the earthquake was roughly 51.049 km (32 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 10/12/25 / 2025-12-10 14:01:29 / December 10, 2025 @ 2:01 pm UTC/GMT. Id of earthquake: us6000rtw0. Event ids that are associated: us6000rtw0. The temblor was reported at 14:01:29 / 2:01 pm (local time epicenter).

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

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 information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 100 km E of Yokohama, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 142.4489° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 41.1532° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 51.049 km Depth of the event in kilometers.
Place 100 km E of Yokohama, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-12-10 14:01:29 Time when the event occurred. UTC/GMT
Updated 2025-12-17 13:59:54 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 326 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 34 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.012 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.96 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us6000rtw0 Id of event.
Event Code 6000rtw0 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000rtw0, A comma-separated list of event ids that are associated to an event.

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