Light earthquake 4 mag, Izu Islands, Japan region

A light earthquake with magnitude 4 (ml/mb) was detected on Monday, Izu Islands, Japan region (0 miles). Exact time and date of event in UTC/GMT: 27/09/15 / 2015-09-27 23:23:16 / September 27, 2015 @ 11:23 pm. Exact location of earthquake, longitude 139.0578 East, latitude 30.1068 North, depth = 399.92 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10003mhj. Event ids that are associated: us10003mhj. The temblor was detected at 08:23:16 / 8:23 am (local time epicenter). The epicenter was at a depth of 399.92 km (248 miles).

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

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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: Izu Islands, Japan region.

Izu Islands Japan region

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Parameter	Value	Description
Magnitude	4 mb	The magnitude for the event.
Longitude	139.0578° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	30.1068° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	399.92 km	Depth of the event in kilometers.
Place	Izu Islands, Japan region	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2015-09-27 23:23:16	Time when the event occurred. UTC/GMT
Updated	2015-10-26 04:47:10	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	246	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	3.066	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.7 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	157	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	us10003mhj	Id of event.
Event Code	10003mhj	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us10003mhj,	A comma-separated list of event ids that are associated to an event.

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Light earthquake 4 mag, Izu Islands, Japan region

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