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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Rumoi in Japan


Earthquake location 44.3444S, 140.9769WA light earthquake magnitude 4.2 (ml/mb) has occurred on Sunday, 70 kilometers (43 miles) from Rumoi in Japan. The epicenter of the earthquake was roughly 240.6 km (150 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 earthquake, longitude 140.9769 East, latitude 44.3444 North, depth = 240.6 km. Exact time and date of event in UTC/GMT: 01/12/18 / 2018-12-01 22:47:44 / December 1, 2018 @ 10:47 pm. Id of earthquake: us1000i00y. Event ids that are associated: us1000i00y. The temblor was detected at 07:47:44 / 7:47 am (local time epicenter).

Epicenter of the event was 70 km (44 miles) from Rumoi (c. 26 500 pop). Closest city/cities/towns to epicentrum/hypocenter was Rumoi (min 5000 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop).

Every 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 one, in the last 10 days one, in the past 30 days one and in the last 365 days three earthquakes of magnitude 3.0 or greater that has occurred nearby.

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 70 km NW of Rumoi, Japan. This information 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 140.9769° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 44.3444° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 240.6 km Depth of the event in kilometers.
Place 70km NW of Rumoi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-12-01 22:47:44 Time when the event occurred. UTC/GMT
Updated 2018-12-01 23:13:18 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 1.183 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.78 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 61 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 us1000i00y Id of event.
Event Code 1000i00y An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000i00y, A comma-separated list of event ids that are associated to an event.

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