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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.4 mag was detected near Miyako in Japan


Earthquake location 40.059S, 142.2973WA light earthquake magnitude 4.4 (ml/mb) strikes 55 kilometers (34 miles) from Miyako in Japan on Friday. The 4.4-magnitude earthquake has occurred at 11:04:11 / 11:04 am (local time epicenter). Unique identifier: us10002ws2. Ids that are associated to the event: us10002ws2. The epicenter of the earthquake was roughly 51.47 km (32 miles) below the earth’s surface. Exact time and date of earthquake 31/07/15 / 2015-07-31 02:04:11 / July 31, 2015 @ 2:04 am UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of earthquake, 142.2973° East, 40.059° North, depth 51.47 km.

Nearest cities/city/villages to epicentrum/hypocenter was Kamaishi, Ichinohe, Ōtsuchi (min 5000 pop). Epicenter of the earthquake was 84 km (52 miles) from Hachinohe (c. 239 000 pop), 55 km (34 miles) from Miyako (c. 51 700 pop), 94 km (59 miles) from Kamaishi (c. 43 100 pop), 72 km (45 miles) from Yamada (c. 20 100 pop), 84 km (52 miles) from Ōtsuchi (c. 16 500 pop), 87 km (54 miles) from Ichinohe (c. 15 800 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop).

Each year there are an estimated 13,000 light quakes in the world. In the past 24 hours, there have been two, in the last 10 days two, in the past 30 days five and in the last 365 days sixty-five earthquakes of magnitude 3.0 or greater that has occurred nearby. 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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 55 km NNE of Miyako, Japan. This information 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 142.2973° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.059° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 51.47 km Depth of the event in kilometers.
Place 55km NNE 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 2015-07-31 02:04:11 Time when the event occurred. UTC/GMT
Updated 2015-08-21 23:04:56 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.436 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 134 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 us10002ws2 Id of event.
Event Code 10002ws2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10002ws2, A comma-separated list of event ids that are associated to an event.

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