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Light earthquake: M4.7 quake has struck near Namie in Japan

Earthquake location 37.3198S, 141.5884WA light earthquake magnitude 4.7 (ml/mb) has struck on Friday, 55 kilometers (34 miles) from Namie in Japan. Date and time of earthquake in UTC/GMT: 22/01/21 / 2021-01-22 16:03:57 / January 22, 2021 @ 4:03 pm. 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 31.68 km (20 miles). The temblor was picked up at 16:03:57 / 4:03 pm (local time epicenter). Exact location of event, longitude 141.5884 East, latitude 37.3198 North, depth = 31.68 km. Id of earthquake: us7000d2ew. Event ids that are associated: us7000d2ew.

Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Miharu, Marumori, Kitaibaraki. Earthquake epicenter was 69 km (43 miles) from Iwaki (c. 357 300 pop), 95 km (59 miles) from Kitaibaraki (c. 50 800 pop), 90 km (56 miles) from Funehikimachi-funehiki (c. 23 500 pop), 55 km (34 miles) from Namie (c. 21 900 pop), 98 km (61 miles) from Miharu (c. 19 700 pop), 98 km (61 miles) from Marumori (c. 16 800 pop). Nearby 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. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days six and in the last 365 days sixty-three earthquakes of magnitude 3.0 or greater that was reported nearby.

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: 55 km ESE of Namie, Japan.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 141.5884° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.3198° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 31.68 km Depth of the event in kilometers.
Place 55 km ESE 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 2021-01-22 16:03:57 Time when the event occurred. UTC/GMT
Updated 2021-01-22 17:38:50 Time when the event was most recently updated. UTC/GMT
Timezone offset 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 1.562 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.71 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 156 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 us7000d2ew Id of event.
Event Code 7000d2ew An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us7000d2ew, A comma-separated list of event ids that are associated to an event.

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