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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 27 km E of Chitose, Japan

Earthquake location 42.7949S, 141.9855WA light earthquake magnitude 4.6 (ml/mb) strikes 27 kilometers (17 miles) from Chitose in Japan on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 07/09/18 / 2018-09-07 13:43:46 / September 7, 2018 @ 1:43 pm UTC/GMT. Id of earthquake: us2000habc. Event ids that are associated: us2000habc. The temblor was reported at 22:43:46 / 10:43 pm (local time epicenter). The earthquake was roughly at a depth of 39.67 km (25 miles). Exact location of event, depth 39.67 km, 141.9855° East, 42.7949° North.

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). The epicenter was 60 km (37 miles) from Sapporo (c. 1 883 000 pop), 36 km (22 miles) from Tomakomai (c. 174 800 pop), 91 km (57 miles) from Otaru (c. 143 800 pop), 50 km (31 miles) from Ebetsu (c. 134 000 pop), 97 km (61 miles) from Muroran (c. 96 200 pop), 27 km (17 miles) from Chitose (c. 92 900 pop), 49 km (30 miles) from Iwamizawa (c. 85 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Muroran, Otaru, Takikawa (min 5000 pop).

Each year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been sixteen, in the last 10 days twenty-five, in the past 30 days twenty-six and in the last 365 days fourty-nine earthquakes of magnitude 3.0 or greater that has struck near. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 27 km E of Chitose, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.9855° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7949° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 39.67 km Depth of the event in kilometers.
Place 27km E 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 2018-09-07 13:43:46 Time when the event occurred. UTC/GMT
Updated 2018-09-21 07:43:17 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 1.166 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.63 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 76 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 us2000habc Id of event.
Event Code 2000habc An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000habc, A comma-separated list of event ids that are associated to an event.

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