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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Yatsuo in Japan

Earthquake location 36.3799S, 137.1519WA light earthquake magnitude 4 (ml/mb) has occurred on Thursday, 20 kilometers (12 miles) from Yatsuo in Japan. Date and time of earthquake in UTC/GMT: 11/10/17 / 2017-10-11 23:21:46 / October 11, 2017 @ 11:21 pm. The epicenter was at a depth of 253.39 km (157 miles). Unique identifier: us1000au6q. Ids that are associated to the event: us1000au6q. Exact location of event, longitude 137.1519 East, latitude 36.3799 North, depth = 253.39 km. The 4-magnitude earthquake was detected at 08:21:46 / 8:21 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Closest city/cities/towns to epicentrum/hypocenter was Okaya, Tatsuno, Maruoka (min 5000 pop). Epicenter of the event was 53 km (33 miles) from Kanazawa-shi (c. 458 900 pop), 35 km (22 miles) from Toyama-shi (c. 325 500 pop), 75 km (46 miles) from Matsumoto (c. 210 700 pop), 43 km (27 miles) from Takaoka (c. 170 100 pop), 63 km (39 miles) from Komatsu (c. 109 000 pop), 55 km (34 miles) from Matsutō (c. 68 200 pop).

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 five earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 13,000 light quakes in the world each year. 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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 20 km S of Yatsuo, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 137.1519° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.3799° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 253.39 km Depth of the event in kilometers.
Place 20km S of Yatsuo, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-11 23:21:46 Time when the event occurred. UTC/GMT
Updated 2017-11-04 02:53:35 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 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 0.864 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 75 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 us1000au6q Id of event.
Event Code 1000au6q An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000au6q, A comma-separated list of event ids that are associated to an event.

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