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Light World Earthquakes Magnitude 4-4.9

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


Earthquake location 29.9971S, 131.046WA light earthquake magnitude 4.4 (ml/mb) has struck on Wednesday, 55 kilometers (34 miles) from Koshima in Japan. All ids that are associated to the event: us7000q0v1. Unique identifier: us7000q0v1. The temblor was picked up at 15:57:52 / 3:57 pm (local time epicenter). The earthquake occurred at a depth of 36.263 km (23 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 location, longitude 131.046° East, latitude 29.9971° North, depth = 36.263 km. Exact time and date of earthquake 07/05/25 / 2025-05-07 15:57:52 / May 7, 2025 @ 3:57 pm UTC/GMT.

Nearest cities/city/villages to epicentrum/hypocenter was Nishinoomote (min 5000 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Event epicenter was 82 km (51 miles) from Nishinoomote (c. 17 800 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days nine and in the last 365 days thirty-six earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 55 km ESE of Koshima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 131.046° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 29.9971° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 36.263 km Depth of the event in kilometers.
Place 55 km ESE of Koshima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2025-05-07 15:57:52 Time when the event occurred. UTC/GMT
Updated 2025-05-22 21:26:47 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 24 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.591 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.53 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 135 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 us7000q0v1 Id of event.
Event Code 7000q0v1 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000q0v1, A comma-separated list of event ids that are associated to an event.

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