Earthquake: M 4.2 quake strikes near Shiraoi in Japan

A light earthquake magnitude 4.2 (mg/mb) was reported Thursday, 11 kilometers (7 miles) from Shiraoi in Japan. The temblor was reported at 01:52:58 / 1:52 am (local time epicenter) at a depth of 144.1 km (90 miles). Global time of event 01/04/15 / 2015-04-01 16:52:58 / April 1, 2015 @ 4:52 pm UTC/GMT. A tsunami warning has not been issued, according to the U.S. Geological Survey. Exact location of event, longitude 141.2723 East, latitude 42.632 North, depth 144.1 km, unique identifier, us10001stz.

Close countries, Japan (c. 127 288 000 pop). The epicenter was 48 km (30 miles) from Sapporo (c. 1 883 000 pop), 27 km (17 miles) from Tomakomai (c. 174 800 pop), 66 km (41 miles) from Otaru (c. 143 800 pop), 58 km (36 miles) from Ebetsu (c. 134 000 pop), 42 km (26 miles) from Muroran (c. 96 200 pop). Nearest city, towns to epicentrum/hypocenter was Bibai, Yoichi, Iwamizawa.

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Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded in: 11 km NW of Shiraoi, Japan.

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	141.2723° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	42.632° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	144.1 km	Depth of the event in kilometers.
Place	11km NW of Shiraoi, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-04-01 16:52:58	Time when the event occurred. UTC/GMT
Updated	2015-04-01 23:41:04	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	0.246	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.74 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	72	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	us10001stz	Id of event.
Event Code	10001stz	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10001stz,	A comma-separated list of event ids that are associated to an event.

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Earthquake: M 4.2 quake strikes near Shiraoi in Japan

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