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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag was detected near Katsuura in Japan


Earthquake location 33.8388S, 141.6418WA light earthquake magnitude 4.3 (ml/mb) strikes 189 km SE of Katsuura, Japan (117 miles) on Sunday. Date and time of earthquake in UTC/GMT: 20/04/19 / 2019-04-20 15:30:21 / April 20, 2019 @ 3:30 pm. The temblor was reported at 00:30:21 / 12:30 am (local time epicenter). The earthquake occurred at a depth of 25.21 km (16 miles) below the earth’s surface. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Unique identifier: us70003e3e. Ids that are associated to the event: us70003e3e. Exact location of event, depth 25.21 km, 141.6418° East, 33.8388° North.

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 one and in the last 365 days sixteen 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.

How would you describe the shaking?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 189 km SE of Katsuura, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 141.6418° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 33.8388° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 25.21 km Depth of the event in kilometers.
Place 189km SE of Katsuura, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-04-20 15:30:21 Time when the event occurred. UTC/GMT
Updated 2019-05-20 14:37:09 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 1.689 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.17 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 148 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 us70003e3e Id of event.
Event Code 70003e3e An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us70003e3e, A comma-separated list of event ids that are associated to an event.

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