Light earthquake, 4.6 mag was detected near Iwo Jima in Japan

A light earthquake with magnitude 4.6 (ml/mb) was detected on Monday, 291 km ESE of Iwo Jima, Japan (181 miles). The temblor was picked up at 14:40:36 / 2:40 pm (local time epicenter). Id of earthquake: us2000j5ms. Event ids that are associated: us2000j5ms. Global time and date of event 31/12/18 / 2018-12-31 04:40:36 / December 31, 2018 @ 4:40 am UTC/GMT. The earthquake was roughly at a depth of 10 km (6 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 143.8029° East, latitude 23.4479° North, depth = 10 km.

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

Did you feel anything?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 291 km ESE of Iwo Jima, Japan.

Iwo Jima Japan

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Parameter	Value	Description
Magnitude	4.6 mb	The magnitude for the event.
Longitude	143.8029° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	23.4479° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	291km ESE of Iwo Jima, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2018-12-31 04:40:36	Time when the event occurred. UTC/GMT
Updated	2019-01-23 04:06:40	Time when the event was most recently updated. UTC/GMT
Timezone offset	600	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	3.916	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.67 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	123	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	us2000j5ms	Id of event.
Event Code	2000j5ms	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us2000j5ms,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.6 mag was detected near Iwo Jima in Japan

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