Light earthquake, 4.2 mag has occurred near Iwanai in Japan

A light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 149 km WNW of Iwanai, Japan (93 miles). Exact time and date of event in UTC/GMT: 19/10/16 / 2016-10-19 11:07:50 / October 19, 2016 @ 11:07 am. The earthquake was roughly at a depth of 240.59 km (149 miles). The 4.2-magnitude earthquake was detected at 20:07:50 / 8:07 pm (local time epicenter). Exact location, longitude 138.8393° East, latitude 43.5346° North, depth = 240.59 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us20007faw. Unique identifier: us20007faw.

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. There are an estimated 13,000 light quakes in the world each year. 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 three earthquakes of magnitude 3.0 or greater that was reported nearby.

Did you feel the quake?

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: 149 km WNW of Iwanai, Japan.

Iwanai Japan

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Parameter	Value	Description
Magnitude	4.2 mb	The magnitude for the event.
Longitude	138.8393° East	Decimal degrees longitude. Negative values for western longitudes.
Latitude	43.5346° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	240.59 km	Depth of the event in kilometers.
Place	149km WNW of Iwanai, Japan	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2016-10-19 11:07:50	Time when the event occurred. UTC/GMT
Updated	2016-10-19 11:38:09	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	2.028	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	54	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	us20007faw	Id of event.
Event Code	20007faw	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,us20007faw,	A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.2 mag has occurred near Iwanai in Japan

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