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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag was detected near Miyako in Japan


Earthquake location 40.1461S, 143.8806WA light earthquake magnitude 4.7 (ml/mb) has struck on Sunday, 174 km ENE of Miyako, Japan (108 miles). Unique identifier: us10006ffk. Ids that are associated to the event: us10006ffk. Exact location, longitude 143.8806° East, latitude 40.1461° North, depth = 10 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 20/08/16 / 2016-08-20 16:08:46 / August 20, 2016 @ 4:08 pm. The 4.7-magnitude earthquake was detected at 02:08:46 / 2:08 am (local time epicenter).

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

Did you feel the quake?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. The information in this article comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, detected near: 174 km ENE of Miyako, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 143.8806° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.1461° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 174km ENE of Miyako, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-08-20 16:08:46 Time when the event occurred. UTC/GMT
Updated 2016-09-11 16:26:21 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 1.945 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.35 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 178 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 us10006ffk Id of event.
Event Code 10006ffk An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10006ffk, A comma-separated list of event ids that are associated to an event.

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