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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Yamada in Japan



Earthquake location 39.1998S, 144.0432WA light earthquake magnitude 4.7 (ml/mb) strikes 182 km E of Yamada, Japan (113 miles) on Tuesday. Exact time and date of earthquake 28/02/17 / 2017-02-28 01:39:43 / February 28, 2017 @ 1:39 am UTC/GMT. The earthquake occurred at a depth of 25.06 km (16 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, longitude 144.0432 East, latitude 39.1998 North, depth = 25.06 km. The 4.7-magnitude earthquake was detected at 11:39:43 / 11:39 am (local time epicenter). Event id: us100087q7. Ids that are associated to the earthquake: us100087q7.

In the past 24 hours, there have been six, in the last 10 days seven, in the past 30 days eight and in the last 365 days twenty-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area. 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 it?

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: 182 km E of Yamada, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 144.0432° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.1998° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.06 km Depth of the event in kilometers.
Place 182km E of Yamada, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-02-28 01:39:43 Time when the event occurred. UTC/GMT
Updated 2017-03-29 02:54:53 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 340 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 2.784 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.93 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 132 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 us100087q7 Id of event.
Event Code 100087q7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us100087q7, A comma-separated list of event ids that are associated to an event.

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