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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag strikes near Ishikawa in Japan


Earthquake location 37.0883S, 140.6591WA light earthquake with magnitude 4.5 (ml/mb) was detected on Friday, 19 kilometers (12 miles) from Ishikawa in Japan. The temblor was picked up at 01:46:39 / 1:46 am (local time epicenter). The earthquake occurred at a depth of 3.4 km (2 miles). Global time and date of event 06/07/17 / 2017-07-06 16:46:39 / July 6, 2017 @ 4:46 pm UTC/GMT. Unique identifier: us10009965. Ids that are associated to the event: us10009965. Exact location of event, longitude 140.6591 East, latitude 37.0883 North, depth = 3.4 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Imaichi, Iwase, Kitakata. The epicenter was 90 km (56 miles) from Utsunomiya-shi (c. 449 900 pop), 20 km (13 miles) from Iwaki (c. 357 300 pop), 42 km (26 miles) from Kōriyama (c. 340 600 pop), 75 km (47 miles) from Fukushima-shi (c. 294 200 pop), 85 km (53 miles) from Mito-shi (c. 246 500 pop), 54 km (34 miles) from Hitachi (c. 186 300 pop), 78 km (48 miles) from Hitachi-Naka (c. 156 800 pop). Close country/countries that might be effected, Japan (c. 127 288 000 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 eight, in the last 10 days nine, in the past 30 days twelve and in the last 365 days one hundred and fourty-four earthquakes of magnitude 3.0 or greater that was reported nearby.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 19 km ESE of Ishikawa, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 140.6591° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.0883° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 3.4 km Depth of the event in kilometers.
Place 19km ESE of Ishikawa, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-07-06 16:46:39 Time when the event occurred. UTC/GMT
Updated 2017-08-02 21:21:47 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 0.786 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.99 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us10009965 Id of event.
Event Code 10009965 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10009965, A comma-separated list of event ids that are associated to an event.

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