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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4 mag, 51 km WNW of Mikuni, Japan

Earthquake location 36.3816S, 135.6202WA light earthquake with magnitude 4 (ml/mb) was reported 51 kilometers (32 miles) from Mikuni in Japan on Friday. Event ids that are associated to the earthquake: us1000hajw. Id of event: us1000hajw. Exact time and date of event in UTC/GMT: 04/10/18 / 2018-10-04 17:16:54 / October 4, 2018 @ 5:16 pm. The epicenter was at a depth of 349.79 km (217 miles). Exact location of earthquake, 135.6202° East, 36.3816° North, depth 349.79 km. The 4-magnitude earthquake was detected at 02:16:54 / 2:16 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby 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 Ono, Katsuyama, Matsutō. The epicenter was 65 km (40 miles) from Fukui-shi (c. 248 700 pop), 74 km (46 miles) from Komatsu (c. 109 000 pop), 72 km (45 miles) from Takefu (c. 75 800 pop), 86 km (53 miles) from Matsutō (c. 68 200 pop), 70 km (44 miles) from Sabae (c. 66 300 pop), 90 km (56 miles) from Ono (c. 37 500 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Each 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 five earthquakes of magnitude 3.0 or greater that have been detected nearby.

How would you describe the shaking?

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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 51 km WNW of Mikuni, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 135.6202° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.3816° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 349.79 km Depth of the event in kilometers.
Place 51km WNW of Mikuni, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-04 17:16:54 Time when the event occurred. UTC/GMT
Updated 2018-10-12 16:51:13 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 1.539 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 41 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 us1000hajw Id of event.
Event Code 1000hajw An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hajw, A comma-separated list of event ids that are associated to an event.

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