Moderate earthquake: M5 quake has struck near Chichi-shima in Japan

A moderate earthquake magnitude 5 (ml/mb) strikes 93 km SW of Chichi-shima, Japan (58 miles) on Sunday. Id of earthquake: us1000dpy6. Event ids that are associated: us1000dpy6. Global date and time of event UTC/GMT: 21/04/18 / 2018-04-21 17:01:56 / April 21, 2018 @ 5:01 pm. The 5-magnitude earthquake was detected at 02:01:56 / 2:01 am (local time epicenter). Exact location of event, depth 74.92 km, 141.5888° East, 26.4613° North. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 74.92 km (47 miles).

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days three and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that have been detected nearby. There are an estimated 1320 moderate earthquakes in the world each year. Earthquakes 5.0 to 6.0 may cause light damage to buildings and other structures.

Questions or comments?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity 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: 93 km SW of Chichi-shima, Japan.

Chichi-shima Japan

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Parameter	Value	Description
Magnitude	5 mb	The magnitude for the event.
Longitude	141.5888° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	26.4613° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	74.92 km	Depth of the event in kilometers.
Place	93km SW 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	2018-04-21 17:01:56	Time when the event occurred. UTC/GMT
Updated	2018-04-21 17:21:46	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	385	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	0.826	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	1.09 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	91	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	us1000dpy6	Id of event.
Event Code	1000dpy6	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us1000dpy6,	A comma-separated list of event ids that are associated to an event.

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Moderate earthquake: M5 quake has struck near Chichi-shima in Japan

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