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Light earthquake: M4.5 quake has struck near Nagano-shi in Japan

Earthquake location 36.7021S, 137.9673WA light earthquake magnitude 4.5 (ml/mb) has struck on Friday, 19 kilometers (12 miles) from Nagano-shi in Japan. The temblor was reported at 08:05:00 / 8:05 am (local time epicenter). Global date and time of event UTC/GMT: 30/06/16 / 2016-06-30 23:05:00 / June 30, 2016 @ 11:05 pm. Exact location of event, depth 15.84 km, 137.9673° East, 36.7021° North. 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 15.84 km (10 miles) below the earth’s surface. Event id: us10005yyt. Ids that are associated to the earthquake: us10005yyt.

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). The epicenter was 20 km (12 miles) from Nagano-shi (c. 360 200 pop), 67 km (42 miles) from Toyama-shi (c. 325 500 pop), 52 km (32 miles) from Matsumoto (c. 210 700 pop), 55 km (34 miles) from Jōetsu (c. 204 100 pop), 85 km (53 miles) from Takaoka (c. 170 100 pop), 44 km (27 miles) from Ueda (c. 126 600 pop), 90 km (56 miles) from Kashiwazaki (c. 86 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Shibukawa, Nanto-shi, Annaka.

In the past 24 hours, there have been one, in the last 10 days four, in the past 30 days six and in the last 365 days eleven 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. Each year there are an estimated 13,000 light quakes in the world.

Did you feel the quake?

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 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: 19 km WNW of Nagano-shi, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 137.9673° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7021° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 15.84 km Depth of the event in kilometers.
Place 19km WNW of Nagano-shi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-06-30 23:05:00 Time when the event occurred. UTC/GMT
Updated 2016-06-30 23:30:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 0.246 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.55 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 46 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 us10005yyt Id of event.
Event Code 10005yyt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005yyt, A comma-separated list of event ids that are associated to an event.

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