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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 13 km NE of Miyako, Japan

Earthquake location 39.7237S, 142.058WA light earthquake with magnitude 4.2 (ml/mb) was reported 13 kilometers (8 miles) from Miyako in Japan on Wednesday. Exact location of earthquake, longitude 142.058 East, latitude 39.7237 North, depth = 66.14 km. Global time and date of event 08/04/20 / 2020-04-08 10:44:49 / April 8, 2020 @ 10:44 am UTC/GMT. The temblor was picked up at 19:44:49 / 7:44 pm (local time epicenter). Event id: us70008wvg. Ids that are associated to the earthquake: us70008wvg. The epicenter of the earthquake was roughly 66.14 km (41 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 77 km (48 miles) from Morioka-shi (c. 295 200 pop), 89 km (55 miles) from Hanamaki (c. 73 100 pop), 13 km (8 miles) from Miyako (c. 51 700 pop), 52 km (32 miles) from Kamaishi (c. 43 100 pop), 78 km (49 miles) from Ōfunato (c. 35 400 pop), 64 km (40 miles) from Tōno (c. 26 800 pop). Closest city/cities/towns to epicentrum/hypocenter was Shizukuishi, Hanamaki, Ichinohe (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been five, in the last 10 days six, in the past 30 days six and in the last 365 days fourty earthquakes of magnitude 3.0 or greater that has occurred nearby. Every year there are an estimated 13,000 light earthquakes in the world.

Questions or comments?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 13 km NE of Miyako, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 142.058° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.7237° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 66.14 km Depth of the event in kilometers.
Place 13km NE 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 2020-04-08 10:44:49 Time when the event occurred. UTC/GMT
Updated 2020-05-07 12:51:33 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 271 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 1.308 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 151 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 us70008wvg Id of event.
Event Code 70008wvg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008wvg, A comma-separated list of event ids that are associated to an event.

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