Light earthquake: M4.6 quake has struck near Miyako in Japan

A light earthquake magnitude 4.6 (ml/mb) has struck on Monday, 115 km NE of Miyako, Japan (71 miles). The earthquake was roughly at a depth of 40.48 km (25 miles). Unique identifier: us6000c14q. Ids that are associated to the event: us6000c14q. The temblor was detected at 10:28:39 / 10:28 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 142.9465 East, latitude 40.337 North, depth = 40.48 km. Date and time of earthquake in UTC/GMT: 21/09/20 / 2020-09-21 10:28:39 / September 21, 2020 @ 10:28 am.

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

Did you feel it?

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. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 115 km NE of Miyako, Japan. This data comes from the USGS Earthquake Notification Service.

Japan Miyako

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Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	142.9465° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	40.337° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	40.48 km	Depth of the event in kilometers.
Place	115 km NE of Miyako, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2020-09-21 10:28:39	Time when the event occurred. UTC/GMT
Updated	2020-10-21 08:32:48	Time when the event was most recently updated. UTC/GMT
Timezone offset		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	326	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	1.503	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.62 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	142	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	us6000c14q	Id of event.
Event Code	6000c14q	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us6000c14q,	A comma-separated list of event ids that are associated to an event.

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Light earthquake: M4.6 quake has struck near Miyako in Japan

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