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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.2 quake has struck near Iwo Jima in Japan


Earthquake location 24.595S, 142.1643WA light earthquake magnitude 4.2 (ml/mb) strikes 86 km ESE of Iwo Jima, Japan (53 miles) on Friday. The earthquake was roughly at a depth of 90.16 km (56 miles). Exact location, longitude 142.1643° East, latitude 24.595° North, depth = 90.16 km. The temblor was detected at 11:33:27 / 11:33 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 22/01/16 / 2016-01-22 02:33:27 / January 22, 2016 @ 2:33 am UTC/GMT. Id of earthquake: us20004v2f. Event ids that are associated: us20004v2f.

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 two, in the past 30 days two and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that has struck near.

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 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: 86 km ESE of Iwo Jima, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 142.1643° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 24.595° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 90.16 km Depth of the event in kilometers.
Place 86km 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 2016-01-22 02:33:27 Time when the event occurred. UTC/GMT
Updated 2016-02-16 06:10:40 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 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 2.49 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.36 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 190 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 us20004v2f Id of event.
Event Code 20004v2f An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20004v2f, A comma-separated list of event ids that are associated to an event.

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