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Light World Earthquakes Magnitude 4-4.9

Light earthquake: M4.3 quake has struck near Chichi-shima in Japan


Earthquake location 27.1706S, 140.1375WA light earthquake magnitude 4.3 (ml/mb) strikes 206 km W of Chichi-shima, Japan (128 miles) on Wednesday. All ids that are associated to the event: us20005asj. Unique identifier: us20005asj. Exact time and date of earthquake 16/03/16 / 2016-03-16 10:14:13 / March 16, 2016 @ 10:14 am UTC/GMT. 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 388.05 km (241 miles) below the earth’s surface. Exact location of event, longitude 140.1375 East, latitude 27.1706 North, depth = 388.05 km. The 4.3-magnitude earthquake has occurred at 19:14:13 / 7:14 pm (local time epicenter).

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

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: 206 km W of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 140.1375° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 27.1706° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 388.05 km Depth of the event in kilometers.
Place 206km W of Chichi-shima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-16 10:14:13 Time when the event occurred. UTC/GMT
Updated 2016-04-10 08:22:44 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 Timezone offset from UTC in minutes at the event epicenter.
Felt 0 The total number of felt reports
CDI 1 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 1.825 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 101 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 us20005asj Id of event.
Event Code 20005asj An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005asj, A comma-separated list of event ids that are associated to an event.

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