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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 159 km NNE of Chichi-shima, Japan

Earthquake location 28.4625S, 142.6881WA light earthquake magnitude 4.5 (ml/mb) has struck on Thursday, 159 km NNE of Chichi-shima, Japan (99 miles). Exact location, longitude 142.6881° East, latitude 28.4625° North, depth = 24.67 km. Id of earthquake: us600084p9. Event ids that are associated: us600084p9. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global date and time of event UTC/GMT: 20/02/20 / 2020-02-20 12:33:06 / February 20, 2020 @ 12:33 pm. The earthquake was roughly at a depth of 24.67 km (15 miles). The 4.5-magnitude earthquake was detected at 22:33:06 / 10:33 pm (local time epicenter).

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

Did you feel it?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 159 km NNE of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 142.6881° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.4625° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 24.67 km Depth of the event in kilometers.
Place 159km NNE 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 2020-02-20 12:33:06 Time when the event occurred. UTC/GMT
Updated 2020-02-27 09:56:54 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 1.432 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.72 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 163 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 us600084p9 Id of event.
Event Code 600084p9 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600084p9, A comma-separated list of event ids that are associated to an event.

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