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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 88 km NW of Tatsugō, Japan


Earthquake location 29.1065S, 129.0846WA light earthquake magnitude 4.3 (ml/mb) has occurred on Sunday, 88 kilometers (55 miles) from Tatsugō in Japan. The temblor was detected at 22:41:28 / 10:41 pm (local time epicenter). Exact location of event, longitude 129.0846 East, latitude 29.1065 North, depth = 10 km. Date and time of earthquake in UTC/GMT: 27/07/25 / 2025-07-27 22:41:28 / July 27, 2025 @ 10:41 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). Event id: us6000qz5n. Ids that are associated to the earthquake: us6000qz5n.

Nearest cities/city/towns to hypocenter/epicentrum was Naze (min 5000 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 91 km (57 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 one, in the last 10 days four, in the past 30 days ninety-nine and in the last 365 days one hundred and fifty earthquakes of magnitude 3.0 or greater that has occurred nearby. Each year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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: 88 km NW of Tatsugō, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 129.0846° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.1065° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 88 km NW 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 2025-07-27 22:41:28 Time when the event occurred. UTC/GMT
Updated 2025-08-10 20:53:28 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 27 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.373 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 128 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 us6000qz5n Id of event.
Event Code 6000qz5n An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000qz5n, A comma-separated list of event ids that are associated to an event.

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