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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 144 km SSE of Itoman, Japan


Earthquake location 24.8835S, 128.1097WA light earthquake magnitude 4.6 (ml/mb) has struck on Tuesday, 144 km SSE of Itoman, Japan (89 miles). The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 17/12/24 / 2024-12-17 01:37:00 / December 17, 2024 @ 1:37 am. Unique identifier: us6000phf6. Ids that are associated to the event: us6000phf6. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 128.1097 East, latitude 24.8835 North, depth = 10 km. The temblor was reported at 01:37:00 / 1:37 am (local time epicenter).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days nine earthquakes of magnitude 3.0 or greater that have been detected nearby. 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?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 144 km SSE of Itoman, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 128.1097° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.8835° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 144 km SSE of Itoman, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2024-12-17 01:37:00 Time when the event occurred. UTC/GMT
Updated 2025-01-14 04:42:30 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 36 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.95 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 94 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 us6000phf6 Id of event.
Event Code 6000phf6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us6000phf6, A comma-separated list of event ids that are associated to an event.

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