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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.7 mag strikes near Kamaishi in Japan

Posted by admin on December 17, 2018 0 Comments

Earthquake location 39.2227S, 141.806WA light earthquake magnitude 4.7 (ml/mb) strikes 8 kilometers (5 miles) from Kamaishi in Japan on Sunday. The temblor was detected at 01:28:17 / 1:28 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 63.26 km (39 miles) below the earth’s surface. Unique identifier: us2000iuj6. Ids that are associated to the event: us2000iuj6. Exact location, longitude 141.806° East, latitude 39.2227° North, depth = 63.26 km. Exact time and date of event in UTC/GMT: 15/12/18 / 2018-12-15 16:28:17 / December 15, 2018 @ 4:28 pm.

Earthquake epicenter was 77 km (48 miles) from Morioka-shi (c. 295 200 pop), 60 km (37 miles) from Kitakami (c. 93 900 pop), 62 km (38 miles) from Hanamaki (c. 73 100 pop), 67 km (42 miles) from Ichinoseki (c. 63 000 pop), 59 km (37 miles) from Mizusawa (c. 61 300 pop), 49 km (30 miles) from Miyako (c. 51 700 pop), 8 km (5 miles) from Kamaishi (c. 43 100 pop). Nearest cities/city/towns to hypocenter/epicentrum was Kogota, Wakuya, Shizukuishi (min 5000 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop).

There are an estimated 13,000 light earthquakes in the world each year. In the past 24 hours, there have been one, in the last 10 days one, in the past 30 days six and in the last 365 days fourty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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: 8 km SW of Kamaishi, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 141.806° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.2227° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 63.26 km Depth of the event in kilometers.
Place 8km SW 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 2018-12-15 16:28:17 Time when the event occurred. UTC/GMT
Updated 2018-12-17 22:26:23 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 340 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 1.569 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.1 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 97 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 us2000iuj6 Id of event.
Event Code 2000iuj6 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000iuj6, A comma-separated list of event ids that are associated to an event.

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