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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.4 quake has struck near Tatsugō in Japan


Earthquake location 29.1498S, 129.696WA light earthquake magnitude 4.4 (ml/mb) has occurred on Thursday, 78 kilometers (48 miles) from Tatsugō in Japan. Exact location of event, longitude 129.696 East, latitude 29.1498 North, depth = 10 km. The temblor was reported at 07:04:17 / 7:04 am (local time epicenter). Exact time and date of event in UTC/GMT: 03/07/25 / 2025-07-03 07:04:17 / July 3, 2025 @ 7:04 am. Id of earthquake: us7000qcm1. Event ids that are associated: us7000qcm1. 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).

Nearest cities/city/towns to hypocenter/epicentrum was Naze (min 5000 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 90 km (56 miles) from Naze (c. 41 400 pop).

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

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: 78 km N of Tatsugō, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 129.696° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.1498° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 78 km N 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 2025-07-03 07:04:17 Time when the event occurred. UTC/GMT
Updated 2025-07-19 05:52:59 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 38 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.441 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 124 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 us7000qcm1 Id of event.
Event Code 7000qcm1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000qcm1, A comma-separated list of event ids that are associated to an event.

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