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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 23.0675S, 143.3939WA light earthquake with magnitude 4.2 (ml/mb) was detected on Friday, 283 km SE of Iwo Jima, Japan (176 miles). The 4.2-magnitude earthquake was detected at 15:08:27 / 3:08 pm (local time epicenter). Exact location of event, longitude 143.3939 East, latitude 23.0675 North, depth = 52.23 km. The epicenter of the earthquake was roughly 52.23 km (32 miles) below the earth’s surface. Exact time and date of event in UTC/GMT: 19/06/15 / 2015-06-19 05:08:27 / June 19, 2015 @ 5:08 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10002n92. Event ids that are associated: us10002n92.

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. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days five and in the last 365 days fifteen earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

How did you respond? Did any furniture slide, topple over, or become displaced? Leave a comment or report about activity, shaking and damage 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: 283 km SE of Iwo Jima, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 143.3939° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 23.0675° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.23 km Depth of the event in kilometers.
Place 283km SE 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 2015-06-19 05:08:27 Time when the event occurred. UTC/GMT
Updated 2015-07-11 11:10:39 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 4.158 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 115 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 us10002n92 Id of event.
Event Code 10002n92 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002n92, A comma-separated list of event ids that are associated to an event.

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