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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag strikes near Oarai in Japan



Earthquake location 36.3061S, 140.9763WA light earthquake with magnitude 4.4 (ml/mb) was detected on Friday, 33 kilometers (21 miles) from Oarai in Japan. The temblor was picked up at 20:58:35 / 8:58 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 46.09 km (29 miles). Exact location of event, longitude 140.9763 East, latitude 36.3061 North, depth = 46.09 km. Exact time and date of earthquake 03/02/17 / 2017-02-03 11:58:35 / February 3, 2017 @ 11:58 am UTC/GMT. Id of earthquake: us20008htv. Event ids that are associated: us20008htv.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/towns to hypocenter/epicentrum was Mitsukaidō, Yachimata, Sakura (min 5000 pop). Epicenter of the earthquake was 83 km (52 miles) from Iwaki (c. 357 300 pop), 48 km (30 miles) from Mito-shi (c. 246 500 pop), 44 km (27 miles) from Hitachi (c. 186 300 pop), 94 km (58 miles) from Sakura (c. 182 500 pop), 79 km (49 miles) from Tsukuba (c. 175 600 pop), 41 km (25 miles) from Hitachi-Naka (c. 156 800 pop).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days nine and in the last 365 days one hundred and sixteen earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 33 km E of Oarai, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 140.9763° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.3061° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 46.09 km Depth of the event in kilometers.
Place 33km E of Oarai, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-03 11:58:35 Time when the event occurred. UTC/GMT
Updated 2017-02-05 22:21:17 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 2 The total number of felt reports
CDI 2.9 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 298 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 1.567 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us20008htv Id of event.
Event Code 20008htv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008htv, A comma-separated list of event ids that are associated to an event.

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