Light earthquake, 4.8 mag was detected near Chichi-shima in Japan

A light earthquake magnitude 4.8 (ml/mb) has struck on Saturday, 80 km SSE of Chichi-shima, Japan (50 miles). Id of earthquake: us1000402d. Event ids that are associated: us1000402d. The epicenter of the earthquake was roughly 34.63 km (22 miles) below the earth’s surface. The temblor was reported at 14:40:23 / 2:40 pm (local time epicenter). Global time and date of event 21/11/15 / 2015-11-21 05:40:23 / November 21, 2015 @ 5:40 am UTC/GMT. Exact location of event, depth 34.63 km, 142.4908° East, 26.3959° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 80 km SSE of Chichi-shima, Japan.

Chichi-shima Japan

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Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	142.4908° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.3959° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	34.63 km	Depth of the event in kilometers.
Place	80km SSE of Chichi-shima, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-11-21 05:40:23	Time when the event occurred. UTC/GMT
Updated	2015-11-21 06:25:39	Time when the event was most recently updated. UTC/GMT
Timezone offset	540	Timezone offset from UTC in minutes at the event epicenter.
Felt	0	The total number of felt reports
CDI	1	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	354	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	0.748	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.65 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	133	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	us1000402d	Id of event.
Event Code	1000402d	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000402d,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.8 mag was detected near Chichi-shima in Japan

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