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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4 mag was detected near Iwanai in Japan


Earthquake location 43.2181S, 139.0424WA light earthquake magnitude 4 (ml/mb) has occurred on Sunday, 122 km WNW of Iwanai, Japan (76 miles). The epicenter was at a depth of 222.06 km (138 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was detected at 04:11:30 / 4:11 am (local time epicenter). Id of earthquake: us10008q5f. Event ids that are associated: us10008q5f. Global date and time of event UTC/GMT: 06/05/17 / 2017-05-06 19:11:30 / May 6, 2017 @ 7:11 pm. Exact location of event, depth 222.06 km, 139.0424° East, 43.2181° North.

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

Did you feel it?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 122 km WNW of Iwanai, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 139.0424° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 43.2181° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 222.06 km Depth of the event in kilometers.
Place 122km 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 2017-05-06 19:11:30 Time when the event occurred. UTC/GMT
Updated 2017-05-06 21:39:45 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 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 2.729 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.69 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 43 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 us10008q5f Id of event.
Event Code 10008q5f An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10008q5f, A comma-separated list of event ids that are associated to an event.

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