Minor earthquake: M3.9 quake has struck near Oarai in Japan

A minor earthquake magnitude 3.9 (ml/mb) strikes 22 kilometers (14 miles) from Oarai in Japan on Wednesday. The 3.9-magnitude earthquake was detected at 09:44:14 / 9:44 am (local time epicenter). Exact location of earthquake, 140.846° East, 36.2912° North, depth 45.78 km. Event ids that are associated to the earthquake: us100085va. Id of event: us100085va. The epicenter of the earthquake was roughly 45.78 km (28 miles) below the earth’s surface. Global date and time of event UTC/GMT: 01/03/17 / 2017-03-01 00:44:14 / March 1, 2017 @ 12:44 am.

Epicenter of the event was 84 km (52 miles) from Iwaki (c. 357 300 pop), 36 km (22 miles) from Mito-shi (c. 246 500 pop), 39 km (24 miles) from Hitachi (c. 186 300 pop), 84 km (52 miles) from Sakura (c. 182 500 pop), 68 km (42 miles) from Tsukuba (c. 175 600 pop), 30 km (19 miles) from Hitachi-Naka (c. 156 800 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Abiko, Yūki, Narutō (min 5000 pop).

Earthquakes 3.0 to 4.0 are often felt, but only causes minor damage. There are an estimated 130,000 minor earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days eight, in the past 30 days fifteen and in the last 365 days one hundred and thirteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

Did you feel it?

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 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: 22 km E of Oarai, Japan.

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Parameter	Value	Description
Magnitude	3.9 mb	The magnitude for the event.
Longitude	140.846° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.2912° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	45.78 km	Depth of the event in kilometers.
Place	22km 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	2017-03-01 00:44:14	Time when the event occurred. UTC/GMT
Updated	2017-03-01 01:13:58	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt	1	The total number of felt reports
CDI	2.2	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	234	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	2.146	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.3 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	193	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	us100085va	Id of event.
Event Code	100085va	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us100085va,	A comma-separated list of event ids that are associated to an event.

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Minor earthquake: M3.9 quake has struck near Oarai in Japan

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