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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Nagano-shi in Japan

Earthquake location 36.7957S, 138.1005WA light earthquake with magnitude 4.2 (ml/mb) was reported 17 kilometers (11 miles) from Nagano-shi in Japan on Sunday. Exact time and date of event in UTC/GMT: 15/05/16 / 2016-05-15 02:23:22 / May 15, 2016 @ 2:23 am. Exact location of earthquake, longitude 138.1005 East, latitude 36.7957 North, depth = 205.13 km. The epicenter of the earthquake was roughly 205.13 km (127 miles) below the earth’s surface. Event ids that are associated to the earthquake: us10005hhr. Id of event: us10005hhr. The temblor was detected at 11:23:22 / 11:23 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the event was 18 km (11 miles) from Nagano-shi (c. 360 200 pop), 80 km (50 miles) from Toyama-shi (c. 325 500 pop), 64 km (40 miles) from Matsumoto (c. 210 700 pop), 41 km (25 miles) from Jōetsu (c. 204 100 pop), 47 km (29 miles) from Ueda (c. 126 600 pop), 75 km (47 miles) from Kashiwazaki (c. 86 200 pop). Nearest cities/city/villages to epicentrum/hypocenter was Nishishinminato, Kanekomachi, Tatsuno (min 5000 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days three and in the last 365 days five earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 17 km NNW of Nagano-shi, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 138.1005° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.7957° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 205.13 km Depth of the event in kilometers.
Place 17km NNW 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 2016-05-15 02:23:22 Time when the event occurred. UTC/GMT
Updated 2016-06-09 04:01:51 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 271 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 0.262 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 51 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 us10005hhr Id of event.
Event Code 10005hhr An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10005hhr, A comma-separated list of event ids that are associated to an event.

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