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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Tatsugō in Japan


Earthquake location 29.1781S, 129.4249WA light earthquake with magnitude 4.5 (ml/mb) was reported 82 kilometers (51 miles) from Tatsugō in Japan on Wednesday. The temblor was reported at 10:39:14 / 10:39 am (local time epicenter). Exact location, longitude 129.4249° East, latitude 29.1781° North, depth = 10 km. Id of earthquake: us7000q8nd. Event ids that are associated: us7000q8nd. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of event in UTC/GMT: 25/06/25 / 2025-06-25 10:39:14 / June 25, 2025 @ 10:39 am.

Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 90 km (56 miles) from Naze (c. 41 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Naze.

In the past 24 hours, there have been nineteen, in the last 10 days fourty-one, in the past 30 days fourty-three and in the last 365 days seventy-three 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 the quake?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. 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: 82 km NNW of Tatsugō, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 129.4249° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.1781° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 82 km NNW of Tatsugō, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-06-25 10:39:14 Time when the event occurred. UTC/GMT
Updated 2025-07-01 15:10:32 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 312 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 51 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.487 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 56 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 us7000q8nd Id of event.
Event Code 7000q8nd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000q8nd, A comma-separated list of event ids that are associated to an event.

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