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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag has occurred near Kamaishi in Japan


Earthquake location 39.2944S, 142.1203WA light earthquake with magnitude 4.3 (ml/mb) was reported 20 kilometers (12 miles) from Kamaishi in Japan on Friday. Exact location of earthquake, longitude 142.1203 East, latitude 39.2944 North, depth = 58.13 km. All ids that are associated to the event: us2000d1z3. Unique identifier: us2000d1z3. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 58.13 km (36 miles). The 4.3-magnitude earthquake has occurred at 23:52:11 / 11:52 pm (local time epicenter). Exact time and date of event in UTC/GMT: 02/02/18 / 2018-02-02 14:52:11 / February 2, 2018 @ 2:52 pm.

Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/towns to hypocenter/epicentrum was Mizusawa, Hanamaki, Kitakami (min 5000 pop). Epicenter of the earthquake was 86 km (54 miles) from Kitakami (c. 93 900 pop), 87 km (54 miles) from Hanamaki (c. 73 100 pop), 87 km (54 miles) from Mizusawa (c. 61 300 pop), 42 km (26 miles) from Miyako (c. 51 700 pop), 22 km (14 miles) from Kamaishi (c. 43 100 pop), 43 km (27 miles) from Ōfunato (c. 35 400 pop).

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 four, in the past 30 days six and in the last 365 days thirty-seven earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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. 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: 20 km E of Kamaishi, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 142.1203° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.2944° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.13 km Depth of the event in kilometers.
Place 20km E of Kamaishi, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-02 14:52:11 Time when the event occurred. UTC/GMT
Updated 2018-02-17 08:07:11 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 1.699 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.15 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 153 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 us2000d1z3 Id of event.
Event Code 2000d1z3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d1z3, A comma-separated list of event ids that are associated to an event.

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