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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Yamada in Japan

Earthquake location 39.3962S, 142.3514WA light earthquake magnitude 4.2 (ml/mb) has struck on Thursday, 35 kilometers (22 miles) from Yamada in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 03/09/20 / 2020-09-03 03:04:50 / September 3, 2020 @ 3:04 am UTC/GMT. Exact location of earthquake, longitude 142.3514 East, latitude 39.3962 North, depth = 35 km. Unique identifier: us7000bk8i. Ids that are associated to the event: us7000bk8i. The earthquake occurred at a depth of 35 km (22 miles) below the earth’s surface. The temblor was picked up at 03:04:50 / 3:04 am (local time epicenter).

Epicenter of the earthquake was 45 km (28 miles) from Miyako (c. 51 700 pop), 44 km (27 miles) from Kamaishi (c. 43 100 pop), 66 km (41 miles) from Ōfunato (c. 35 400 pop), 71 km (44 miles) from Tōno (c. 26 800 pop), 35 km (22 miles) from Yamada (c. 20 100 pop), 39 km (24 miles) from Ōtsuchi (c. 16 500 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Tōno, Ōfunato, Miyako (min 5000 pop).

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

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 35 km ESE of Yamada, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 142.3514° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.3962° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 35 km ESE 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 2020-09-03 03:04:50 Time when the event occurred. UTC/GMT
Updated 2020-09-23 02:57:29 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1.706 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.94 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 99 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 us7000bk8i Id of event.
Event Code 7000bk8i An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000bk8i, A comma-separated list of event ids that are associated to an event.

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