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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.9 mag was detected near Iwaki in Japan

Earthquake location 37.0478S, 141.4716WA light earthquake magnitude 4.9 (ml/mb) has occurred on Tuesday, 52 kilometers (32 miles) from Iwaki in Japan. Exact location of event, longitude 141.4716 East, latitude 37.0478 North, depth = 52.75 km. The 4.9-magnitude earthquake was detected at 09:08:07 / 9:08 am (local time epicenter). Exact time and date of earthquake 22/11/16 / 2016-11-22 00:08:07 / November 22, 2016 @ 12:08 am UTC/GMT. The epicenter was at a depth of 52.75 km (33 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Id of earthquake: us10007dsi. Event ids that are associated: us10007dsi.

Epicenter of the event was 52 km (32 miles) from Iwaki (c. 357 300 pop), 88 km (55 miles) from Hitachi (c. 186 300 pop), 100 km (62 miles) from Sukagawa (c. 68 800 pop), 70 km (44 miles) from Kitaibaraki (c. 50 800 pop), 77 km (48 miles) from Takahagi (c. 33 600 pop), 91 km (56 miles) from Funehikimachi-funehiki (c. 23 500 pop), 64 km (40 miles) from Namie (c. 21 900 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Sukagawa, Miharu, Ishikawa. 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. In the past 24 hours, there have been fifty-nine, in the last 10 days sixty, in the past 30 days sixty-three and in the last 365 days one hundred and twenty-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.

How would you describe the shaking?

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 data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 52 km E of Iwaki, Japan.

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More information

Parameter Value Description
Magnitude 4.9 mb The magnitude for the event.
Longitude 141.4716° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.0478° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 52.75 km Depth of the event in kilometers.
Place 52km E of Iwaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-11-22 00:08:07 Time when the event occurred. UTC/GMT
Updated 2016-12-13 05:53:13 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 369 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 2.67 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.28 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 143 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 us10007dsi Id of event.
Event Code 10007dsi An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us10007dsi, A comma-separated list of event ids that are associated to an event.

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