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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 78 km SE of Nemuro, Japan


Earthquake location 42.7843S, 146.1952WA light earthquake magnitude 4.3 (ml/mb) has struck on Tuesday, 78 kilometers (48 miles) from Nemuro in Japan. Unique identifier: us2000bkcz. Ids that are associated to the event: us2000bkcz. The temblor was detected at 04:29:21 / 4:29 am (local time epicenter). Global time and date of event 30/10/17 / 2017-10-30 18:29:21 / October 30, 2017 @ 6:29 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 35 km (22 miles). Exact location of event, depth 35 km, 146.1952° East, 42.7843° North.

Close country/countries that might be effected, Japan (c. 127 288 000 pop). The epicenter was 78 km (49 miles) from Nemuro (c. 31 200 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Nemuro.

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

Questions or comments?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 78 km SE of Nemuro, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 146.1952° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 42.7843° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 35 km Depth of the event in kilometers.
Place 78km SE of Nemuro, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-10-30 18:29:21 Time when the event occurred. UTC/GMT
Updated 2017-11-28 21:31:44 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 2.377 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.32 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 244 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 us2000bkcz Id of event.
Event Code 2000bkcz An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000bkcz, A comma-separated list of event ids that are associated to an event.

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