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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Yoichi in Japan

Earthquake location 43.5968S, 139.9024WA light earthquake with magnitude 4 (ml/mb) was reported 82 kilometers (51 miles) from Yoichi in Japan on Friday. The 4-magnitude earthquake has occurred at 22:32:01 / 10:32 pm (local time epicenter). Global time and date of event 22/01/16 / 2016-01-22 13:32:01 / January 22, 2016 @ 1:32 pm UTC/GMT. The earthquake occurred at a depth of 213.59 km (133 miles). Exact location of earthquake, longitude 139.9024 East, latitude 43.5968 North, depth = 213.59 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event id: us20004v30. Ids that are associated to the earthquake: us20004v30.

Earthquake epicenter was 83 km (51 miles) from Yoichi (c. 22 800 pop), 85 km (53 miles) from Iwanai (c. 15 600 pop). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Iwanai, Yoichi. Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days two 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.

Did you feel it?

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: 82 km WNW of Yoichi, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 139.9024° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 43.5968° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 213.59 km Depth of the event in kilometers.
Place 82km WNW of Yoichi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-01-22 13:32:01 Time when the event occurred. UTC/GMT
Updated 2016-02-05 09:08:02 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 246 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 1.357 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.19 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 95 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 us20004v30 Id of event.
Event Code 20004v30 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004v30, A comma-separated list of event ids that are associated to an event.

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