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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.5 mag was detected near Iwaki in Japan

Posted by admin on April 17, 2020 0 Comments

Earthquake location 37.1433S, 141.3843WA light earthquake with magnitude 4.5 (ml/mb) was detected on Saturday, 45 kilometers (28 miles) from Iwaki in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). All ids that are associated to the event: us70008dht. Unique identifier: us70008dht. The earthquake occurred at a depth of 37.12 km (23 miles) below the earth’s surface. Global time and date of event 21/03/20 / 2020-03-21 09:03:11 / March 21, 2020 @ 9:03 am UTC/GMT. The temblor was detected at 18:03:11 / 6:03 pm (local time epicenter). Exact location of earthquake, 141.3843° East, 37.1433° North, depth 37.12 km.

Closest city/cities/towns to epicentrum/hypocenter was Motomiya, Kōriyama, Sukagawa (min 5000 pop). Epicenter of the earthquake was 46 km (28 miles) from Iwaki (c. 357 300 pop), 93 km (58 miles) from Kōriyama (c. 340 600 pop), 89 km (55 miles) from Hitachi (c. 186 300 pop), 90 km (56 miles) from Sukagawa (c. 68 800 pop), 69 km (43 miles) from Kitaibaraki (c. 50 800 pop), 76 km (47 miles) from Takahagi (c. 33 600 pop), 79 km (49 miles) from Funehikimachi-funehiki (c. 23 500 pop). Country/countries that might be effected, Japan (c. 127 288 000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. In the past 24 hours, there have been three, in the last 10 days four, in the past 30 days seven and in the last 365 days fifty-seven earthquakes of magnitude 3.0 or greater that has struck near. Every year there are an estimated 13,000 light earthquakes in the world.

How would you describe the shaking?

How did you react? Was there any damage to buildings? Leave a comment or report about shaking, activity and damage at your home, city and country. Read more about the earthquake, Distances, Seismometer information, Date-Time, Parameters, Location and details about this quake, that has struck: 45 km ENE of Iwaki, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 141.3843° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.1433° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 37.12 km Depth of the event in kilometers.
Place 45km ENE 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 2020-03-21 09:03:11 Time when the event occurred. UTC/GMT
Updated 2020-04-17 11:17:46 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 312 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 2.586 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.85 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 us70008dht Id of event.
Event Code 70008dht An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70008dht, A comma-separated list of event ids that are associated to an event.

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