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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 62 km E of Minami-Sōma, Japan


Earthquake location 37.7305S, 141.67WA light earthquake magnitude 4.3 (ml/mb) strikes 62 kilometers (39 miles) from Minami-Sōma in Japan on Wednesday. Global date and time of event UTC/GMT: 10/09/25 / 2025-09-10 16:49:01 / September 10, 2025 @ 4:49 pm. Event ids that are associated to the earthquake: us6000reiz. Id of event: us6000reiz. The temblor was reported at 16:49:01 / 4:49 pm (local time epicenter). Exact location of event, depth 84.827 km, 141.67° East, 37.7305° North. The earthquake occurred at a depth of 84.827 km (53 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 92 km (57 miles) from Sendai-shi (c. 1 063 100 pop), 92 km (57 miles) from Sendai (c. 1 063 100 pop), 83 km (52 miles) from Ishinomaki (c. 117 200 pop), 86 km (53 miles) from Shiogama (c. 59 500 pop), 82 km (51 miles) from Iwanuma (c. 42 400 pop), 79 km (49 miles) from Watari (c. 36 300 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Sendai-shi, Sendai, Rifu (min 5000 pop).

In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days ten and in the last 365 days sixty earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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.

Questions or comments?

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. 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: 62 km E of Minami-Sōma, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 141.67° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.7305° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 84.827 km Depth of the event in kilometers.
Place 62 km E of Minami-Sōma, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-09-10 16:49:01 Time when the event occurred. UTC/GMT
Updated 2025-10-10 01:49:28 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 3.009 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.74 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 161 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 us6000reiz Id of event.
Event Code 6000reiz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000reiz, A comma-separated list of event ids that are associated to an event.

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