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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Niikappu in Japan


Earthquake location 42.12S, 142.1797WA light earthquake magnitude 4.6 (ml/mb) strikes 27 kilometers (17 miles) from Niikappu in Japan on Friday. Global time and date of event 06/12/24 / 2024-12-06 21:41:53 / December 6, 2024 @ 9:41 pm UTC/GMT. Event ids that are associated to the earthquake: us7000nwr8. Id of event: us7000nwr8. The earthquake was roughly at a depth of 13.561 km (8 miles). The temblor was reported at 21:41:53 / 9:41 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 142.1797° East, latitude 42.12° North, depth = 13.561 km.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Chitose, Shiraoi, Tomakomai (min 5000 pop). Event epicenter was 74 km (46 miles) from Tomakomai (c. 174 800 pop), 89 km (55 miles) from Chitose (c. 92 900 pop), 28 km (18 miles) from Shizunai-furukawachō (c. 22 400 pop), 83 km (52 miles) from Shiraoi (c. 20 800 pop).

In the past 24 hours, there have been one, in the last 10 days three, in the past 30 days five and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 27 km SSW of Niikappu, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 142.1797° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.12° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 13.561 km Depth of the event in kilometers.
Place 27 km SSW of Niikappu, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-06 21:41:53 Time when the event occurred. UTC/GMT
Updated 2024-12-22 03:23:01 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 326 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 64 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 0.735 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.58 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 90 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 us7000nwr8 Id of event.
Event Code 7000nwr8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000nwr8, A comma-separated list of event ids that are associated to an event.

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