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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Motegi in Japan

Earthquake location 36.5703S, 140.1645WA light earthquake with magnitude 4.2 (ml/mb) was detected on Monday, 6 kilometers (4 miles) from Motegi in Japan. Global time and date of event 01/05/17 / 2017-05-01 02:51:29 / May 1, 2017 @ 2:51 am UTC/GMT. The temblor was detected at 11:51:29 / 11:51 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us10008pt8. Unique identifier: us10008pt8. Exact location, longitude 140.1645° East, latitude 36.5703° North, depth = 115.78 km. The earthquake was roughly at a depth of 115.78 km (72 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Isesaki, Matsudo, Hatogaya-honchō. Country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 87 km (54 miles) from Saitama (c. 1 193 400 pop), 90 km (56 miles) from Yono (c. 1 077 700 pop), 91 km (56 miles) from Matsudo (c. 470 300 pop), 25 km (16 miles) from Utsunomiya-shi (c. 449 900 pop), 83 km (52 miles) from Iwaki (c. 357 300 pop), 82 km (51 miles) from Kashiwa (c. 340 200 pop).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days seven and in the last 365 days seventy-eight earthquakes of magnitude 3.0 or greater that has struck near. 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.

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 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: 6 km NNW of Motegi, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 140.1645° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.5703° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 115.78 km Depth of the event in kilometers.
Place 6km NNW of Motegi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-05-01 02:51:29 Time when the event occurred. UTC/GMT
Updated 2017-05-14 23:07:37 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 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 1.389 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 us10008pt8 Id of event.
Event Code 10008pt8 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008pt8, A comma-separated list of event ids that are associated to an event.

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