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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag has occurred near Chitose in Japan

Earthquake location 42.7157S, 142.031WA light earthquake magnitude 4.5 (ml/mb) has occurred on Thursday, 33 kilometers (21 miles) from Chitose in Japan. The temblor was picked up at 09:16:56 / 9:16 am (local time epicenter). Exact location of earthquake, longitude 142.031 East, latitude 42.7157 North, depth = 48.62 km. All ids that are associated to the event: us2000hgju. Unique identifier: us2000hgju. Exact time and date of earthquake 06/09/18 / 2018-09-06 00:16:56 / September 6, 2018 @ 12:16 am UTC/GMT. The epicenter was at a depth of 48.62 km (30 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 68 km (42 miles) from Sapporo (c. 1 883 000 pop), 36 km (22 miles) from Tomakomai (c. 174 800 pop), 59 km (36 miles) from Ebetsu (c. 134 000 pop), 96 km (60 miles) from Muroran (c. 96 200 pop), 33 km (21 miles) from Chitose (c. 92 900 pop), 58 km (36 miles) from Iwamizawa (c. 85 100 pop), 48 km (30 miles) from Kitahiroshima (c. 62 400 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Muroran, Takikawa, Akabira.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been fourty, in the last 10 days fourty, in the past 30 days fourty-one and in the last 365 days sixty-four earthquakes of magnitude 3.0 or greater that was reported nearby. Each year there are an estimated 13,000 light quakes in the world.

Did you feel anything?

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 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: 33 km ESE of Chitose, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 142.031° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7157° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 48.62 km Depth of the event in kilometers.
Place 33km 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 2018-09-06 00:16:56 Time when the event occurred. UTC/GMT
Updated 2018-09-29 01:45:24 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 312 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 1.089 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.6 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 94 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 us2000hgju Id of event.
Event Code 2000hgju An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hgju, A comma-separated list of event ids that are associated to an event.

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