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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.3 mag, 92 km E of Namie, Japan


Earthquake location 37.3939S, 142.042WA light earthquake with magnitude 4.3 (ml/mb) was detected on Saturday, 92 kilometers (57 miles) from Namie in Japan. Id of earthquake: us1000buif. Event ids that are associated: us1000buif. Global time and date of event 15/12/17 / 2017-12-15 19:20:06 / December 15, 2017 @ 7:20 pm UTC/GMT. The earthquake occurred at a depth of 34.97 km (22 miles). The 4.3-magnitude earthquake was detected at 04:20:06 / 4:20 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 142.042 East, latitude 37.3939 North, depth = 34.97 km.

Nearest cities/city/towns to hypocenter/epicentrum was Namie (min 5000 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop). Event epicenter was 93 km (57 miles) from Namie (c. 21 900 pop).

In the past 24 hours, there have been four, in the last 10 days six, in the past 30 days twelve and in the last 365 days eighty-four earthquakes of magnitude 3.0 or greater that was reported nearby. 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.

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 92 km E of Namie, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 142.042° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.3939° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 34.97 km Depth of the event in kilometers.
Place 92km E of Namie, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-12-15 19:20:06 Time when the event occurred. UTC/GMT
Updated 2018-01-13 21:59:43 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 1.101 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.2 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 123 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 us1000buif Id of event.
Event Code 1000buif An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000buif, A comma-separated list of event ids that are associated to an event.

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