Light earthquake: M4.4 quake has struck near Toyoshina in Japan

Posted by admin on April 30, 2020 0 Comments

A light earthquake with magnitude 4.4 (ml/mb) was reported 17 kilometers (11 miles) from Toyoshina in Japan on Thursday. Date and time of earthquake in UTC/GMT: 23/04/20 / 2020-04-23 04:52:03 / April 23, 2020 @ 4:52 am. The temblor was detected at 13:52:03 / 1:52 pm (local time epicenter). Event id: us60009enw. Ids that are associated to the earthquake: us60009enw. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 137.7372 East, latitude 36.2121 North, depth = 10 km. The epicenter was at a depth of 10 km (6 miles).

Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Ryūō, Itoigawa, Iiyama. The epicenter was 63 km (39 miles) from Nagano-shi (c. 360 200 pop), 71 km (44 miles) from Toyama-shi (c. 325 500 pop), 21 km (13 miles) from Matsumoto (c. 210 700 pop), 88 km (55 miles) from Takaoka (c. 170 100 pop), 53 km (33 miles) from Ueda (c. 126 600 pop), 77 km (48 miles) from Iida (c. 107 100 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 17 km WSW of Toyoshina, Japan.

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Parameter	Value	Description
Magnitude	4.4 mb	The magnitude for the event.
Longitude	137.7372° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	36.2121° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	17km WSW of Toyoshina, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-04-23 04:52:03	Time when the event occurred. UTC/GMT
Updated	2020-04-30 22:47:35	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	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	0.502	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.78 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	99	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	us60009enw	Id of event.
Event Code	60009enw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us60009enw,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.4 quake has struck near Toyoshina in Japan

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