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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag has occurred near Hokkaido, Japan region


Earthquake location 42.8737S, 145.4002WA light earthquake with magnitude 4 (ml/mb) was detected on Friday, Hokkaido, Japan region kilometers (0 miles) from Hokkaido, Japan region. Global time and date of event 23/06/17 / 2017-06-23 18:10:02 / June 23, 2017 @ 6:10 pm UTC/GMT. All ids that are associated to the event: us1000958u. Unique identifier: us1000958u. The earthquake occurred at a depth of 50.1 km (31 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 145.4002 East, latitude 42.8737 North, depth = 50.1 km. The temblor was picked up at 18:10:02 / 6:10 pm (local time epicenter).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Shibetsu, Kushiro, Nemuro. Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 84 km (52 miles) from Kushiro (c. 183 600 pop), 52 km (32 miles) from Nemuro (c. 31 200 pop), 90 km (56 miles) from Shibetsu (c. 21 700 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 nine earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel it?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: Hokkaido, Japan region. This information 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 145.4002° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.8737° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 50.1 km Depth of the event in kilometers.
Place Hokkaido, Japan region Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-06-23 18:10:02 Time when the event occurred. UTC/GMT
Updated 2017-07-19 19:05:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1.868 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.97 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 181 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 us1000958u Id of event.
Event Code 1000958u An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000958u, A comma-separated list of event ids that are associated to an event.

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