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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Hirara in Japan


Earthquake location 23.9653S, 125.4185WA light earthquake magnitude 4.4 (ml/mb) strikes 93 kilometers (58 miles) from Hirara in Japan on Friday. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. All ids that are associated to the event: us20004usl. Unique identifier: us20004usl. Exact location of event, depth 35 km, 125.4185° East, 23.9653° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 21/01/16 / 2016-01-21 21:24:03 / January 21, 2016 @ 9:24 pm. The 4.4-magnitude earthquake was detected at 05:24:03 / 5:24 am (local time epicenter).

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Hirara. Earthquake epicenter was 94 km (58 miles) from Hirara (c. 34 400 pop).

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

Questions or comments?

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. 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: 93 km S of Hirara, Japan.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 125.4185° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 23.9653° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 93km S of Hirara, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-01-21 21:24:03 Time when the event occurred. UTC/GMT
Updated 2016-02-12 00:36:52 Time when the event was most recently updated. UTC/GMT
Timezone offset 480 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 2.253 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.33 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 126 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 us20004usl Id of event.
Event Code 20004usl An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004usl, A comma-separated list of event ids that are associated to an event.

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