Light earthquake, 4.2 mag strikes near Iwo Jima in Japan

A light earthquake magnitude 4.2 (ml/mb) has occurred on Friday, 31 km NW of Iwo Jima, Japan (19 miles). The epicenter of the earthquake was roughly 182.59 km (113 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us700046rd. Ids that are associated to the event: us700046rd. Global time and date of event 21/06/19 / 2019-06-21 08:37:59 / June 21, 2019 @ 8:37 am UTC/GMT. Exact location of earthquake, 141.1583° East, 25.0186° North, depth 182.59 km. The temblor was reported at 17:37:59 / 5:37 pm (local time epicenter).

In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days one and in the last 365 days ten earthquakes of magnitude 3.0 or greater that have been detected nearby. Each 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.

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. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 31 km NW of Iwo Jima, Japan.

Iwo Jima Japan

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	141.1583° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	25.0186° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	182.59 km	Depth of the event in kilometers.
Place	31km NW 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	2019-06-21 08:37:59	Time when the event occurred. UTC/GMT
Updated	2019-07-17 10:38:08	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	271	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	2.265	Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	0.95 sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	138	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	us700046rd	Id of event.
Event Code	700046rd	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us700046rd,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag strikes near Iwo Jima in Japan

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