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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Chichi-shima in Japan

Earthquake location 28.3008S, 139.6502WA light earthquake magnitude 4.5 (ml/mb) has struck on Saturday, 286 km WNW of Chichi-shima, Japan (178 miles). Exact location of earthquake, longitude 139.6502 East, latitude 28.3008 North, depth = 409.53 km. Event id: us1000888b. Ids that are associated to the earthquake: us1000888b. The epicenter of the earthquake was roughly 409.53 km (254 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was picked up at 06:06:53 / 6:06 am (local time epicenter). Exact time and date of earthquake 03/03/17 / 2017-03-03 21:06:53 / March 3, 2017 @ 9:06 pm UTC/GMT.

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

Did you feel the quake?

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. 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: 286 km WNW of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 139.6502° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.3008° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 409.53 km Depth of the event in kilometers.
Place 286km WNW of Chichi-shima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-03-03 21:06:53 Time when the event occurred. UTC/GMT
Updated 2017-03-11 04:47:39 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 312 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 2.547 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.44 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 78 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 us1000888b Id of event.
Event Code 1000888b An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000888b, A comma-separated list of event ids that are associated to an event.

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