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Light earthquake: M4.6 quake has struck near Chitose in Japan

Posted by admin on October 6, 2018 0 Comments

Earthquake location 42.7112S, 141.9477WA light earthquake magnitude 4.6 (ml/mb) has occurred on Saturday, 27 kilometers (17 miles) from Chitose in Japan. Exact time and date of earthquake 06/10/18 / 2018-10-06 04:14:25 / October 6, 2018 @ 4:14 am UTC/GMT. Id of earthquake: us1000h800. Event ids that are associated: us1000h800. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 44.99 km (28 miles) below the earth’s surface. Exact location of earthquake, longitude 141.9477 East, latitude 42.7112 North, depth = 44.99 km. The temblor was reported at 13:14:25 / 1:14 pm (local time epicenter).

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Epicenter of the earthquake was 63 km (39 miles) from Sapporo (c. 1 883 000 pop), 29 km (18 miles) from Tomakomai (c. 174 800 pop), 94 km (58 miles) from Otaru (c. 143 800 pop), 55 km (34 miles) from Ebetsu (c. 134 000 pop), 90 km (56 miles) from Muroran (c. 96 200 pop), 27 km (17 miles) from Chitose (c. 92 900 pop), 56 km (35 miles) from Iwamizawa (c. 85 100 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Akabira, Takikawa, Otaru.

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 six, in the past 30 days twenty-eight and in the last 365 days seventy-three earthquakes of magnitude 3.0 or greater that have been detected in the same area.

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 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: 27 km ESE of Chitose, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.9477° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7112° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.99 km Depth of the event in kilometers.
Place 27km ESE of Chitose, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-06 04:14:25 Time when the event occurred. UTC/GMT
Updated 2018-10-06 05:15:42 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 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 The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance 1.134 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.41 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 us1000h800 Id of event.
Event Code 1000h800 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000h800, A comma-separated list of event ids that are associated to an event.

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