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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Shibetsu in Japan


Earthquake location 43.512S, 145.3714WA light earthquake with magnitude 4.3 (ml/mb) was detected on Sunday, 25 kilometers (16 miles) from Shibetsu in Japan. Id of earthquake: us1000hdzd. Event ids that are associated: us1000hdzd. The temblor was reported at 11:49:11 / 11:49 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The epicenter of the earthquake was roughly 139.03 km (86 miles) below the earth’s surface. Exact location, longitude 145.3714° East, latitude 43.512° North, depth = 139.03 km. Exact time and date of event in UTC/GMT: 14/10/18 / 2018-10-14 02:49:11 / October 14, 2018 @ 2:49 am.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Yuzhno-Kuril’sk, Nemuro, Shibetsu. Event epicenter was 27 km (17 miles) from Nemuro (c. 31 200 pop), 25 km (16 miles) from Shibetsu (c. 21 700 pop), 70 km (43 miles) from Yuzhno-Kuril’sk (c. 6 500 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected).

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 one, in the past 30 days two and in the last 365 days twenty earthquakes of magnitude 3.0 or greater that was reported nearby. There are an estimated 13,000 light earthquakes in the world each year.

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. 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: 25 km SE of Shibetsu, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 145.3714° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 43.512° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 139.03 km Depth of the event in kilometers.
Place 25km SE of Shibetsu, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-10-14 02:49:11 Time when the event occurred. UTC/GMT
Updated 2018-10-19 02:47:12 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 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 2.1 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 164 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 us1000hdzd Id of event.
Event Code 1000hdzd An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hdzd, A comma-separated list of event ids that are associated to an event.

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