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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.8 mag, 133 km E of Yamada, Japan


Earthquake location 39.2893S, 143.4881WA light earthquake magnitude 4.8 (ml/mb) has struck on Tuesday, 133 km E of Yamada, Japan (83 miles). The earthquake occurred at a depth of 25.48 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). Event id: us20008muf. Ids that are associated to the earthquake: us20008muf. Exact time and date of event in UTC/GMT: 28/02/17 / 2017-02-28 01:50:08 / February 28, 2017 @ 1:50 am. Exact location of earthquake, longitude 143.4881 East, latitude 39.2893 North, depth = 25.48 km. The temblor was detected at 11:50:08 / 11:50 am (local time epicenter).

In the past 24 hours, there have been nine, in the last 10 days ten, in the past 30 days eleven and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 133 km E of Yamada, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.8 mb The magnitude for the event.
Longitude 143.4881° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.2893° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.48 km Depth of the event in kilometers.
Place 133km 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 01:50:08 Time when the event occurred. UTC/GMT
Updated 2017-03-29 04:39:34 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 354 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 2.388 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.66 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 138 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 us20008muf Id of event.
Event Code 20008muf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20008muf, A comma-separated list of event ids that are associated to an event.

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