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Light earthquake: M4.4 quake has struck near Miyako in Japan

Posted by admin on September 21, 2018 0 Comments

Earthquake location 39.8644S, 143.1523WA light earthquake with magnitude 4.4 (ml/mb) was detected on Thursday, 105 km ENE of Miyako, Japan (65 miles). All ids that are associated to the event: us2000hhgj. Unique identifier: us2000hhgj. The 4.4-magnitude earthquake was detected at 18:08:09 / 6:08 pm (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 23.29 km (14 miles) below the earth’s surface. Date and time of earthquake in UTC/GMT: 20/09/18 / 2018-09-20 08:08:09 / September 20, 2018 @ 8:08 am. Exact location, longitude 143.1523° East, latitude 39.8644° North, depth = 23.29 km.

In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-seven 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. Every year there are an estimated 13,000 light earthquakes in the world.

Did you feel it?

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, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 105 km ENE of Miyako, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.4 mb The magnitude for the event.
Longitude 143.1523° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.8644° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 23.29 km Depth of the event in kilometers.
Place 105km 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 2018-09-20 08:08:09 Time when the event occurred. UTC/GMT
Updated 2018-09-21 06:22:48 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 298 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 1.844 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.98 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 164 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 us2000hhgj Id of event.
Event Code 2000hhgj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000hhgj, A comma-separated list of event ids that are associated to an event.

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