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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 15 km SE of Takahagi, Japan

Earthquake location 36.6145S, 140.8391WA light earthquake magnitude 4.3 (ml/mb) strikes 15 kilometers (9 miles) from Takahagi in Japan on Wednesday. The temblor was picked up at 07:36:00 / 7:36 am (local time epicenter). Exact time and date of earthquake 28/08/18 / 2018-08-28 22:36:00 / August 28, 2018 @ 10:36 pm UTC/GMT. Exact location of earthquake, longitude 140.8391 East, latitude 36.6145 North, depth = 59.55 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter was at a depth of 59.55 km (37 miles). Id of earthquake: us2000h99x. Event ids that are associated: us2000h99x.

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Earthquake epicenter was 85 km (53 miles) from Utsunomiya-shi (c. 449 900 pop), 49 km (30 miles) from Iwaki (c. 357 300 pop), 46 km (29 miles) from Mito-shi (c. 246 500 pop), 17 km (11 miles) from Hitachi (c. 186 300 pop), 81 km (50 miles) from Tsukuba (c. 175 600 pop), 36 km (23 miles) from Hitachi-Naka (c. 156 800 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Yūki, Edosaki, Omigawa.

Each year there are an estimated 13,000 light earthquakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been eight, in the last 10 days nine, in the past 30 days fifteen and in the last 365 days seventy-nine earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

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: 15 km SE of Takahagi, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.8391° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 36.6145° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 59.55 km Depth of the event in kilometers.
Place 15km SE of Takahagi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-08-28 22:36:00 Time when the event occurred. UTC/GMT
Updated 2018-09-23 03:30:27 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 1 The total number of felt reports
CDI 3.1 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 285 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 1.252 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.65 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us2000h99x Id of event.
Event Code 2000h99x An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000h99x, A comma-separated list of event ids that are associated to an event.

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