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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Yuzawa in Japan

Earthquake location 39.1515S, 140.7647WA light earthquake with magnitude 4.3 (ml/mb) was detected on Tuesday, 22 kilometers (14 miles) from Yuzawa in Japan. All ids that are associated to the event: us7000asgt. Unique identifier: us7000asgt. The 4.3-magnitude earthquake has occurred at 03:36:39 / 3:36 am (local time epicenter). The earthquake occurred at a depth of 44.45 km (28 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 140.7647 East, latitude 39.1515 North, depth = 44.45 km. Exact time and date of event in UTC/GMT: 14/07/20 / 2020-07-14 03:36:39 / July 14, 2020 @ 3:36 am.

Nearest cities/city/villages to epicentrum/hypocenter was Rifu, Matsushima, Yamoto (min 5000 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 85 km (53 miles) from Akita Shi (c. 325 800 pop), 84 km (52 miles) from Akita (c. 320 100 pop), 70 km (43 miles) from Morioka-shi (c. 295 200 pop), 83 km (51 miles) from Sakata (c. 100 400 pop), 34 km (21 miles) from Kitakami (c. 93 900 pop), 67 km (41 miles) from Furukawa (c. 76 300 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days three and in the last 365 days twelve earthquakes of magnitude 3.0 or greater that has struck near. There are an estimated 13,000 light earthquakes in the world each year.

Questions or comments?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 22 km E of Yuzawa, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.7647° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.1515° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 44.45 km Depth of the event in kilometers.
Place 22 km E of Yuzawa, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-07-14 03:36:39 Time when the event occurred. UTC/GMT
Updated 2020-07-23 04:35:46 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 284 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 1.652 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 149 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 us7000asgt Id of event.
Event Code 7000asgt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000asgt, A comma-separated list of event ids that are associated to an event.

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