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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.7 mag, 175 km NNE of Chichi-shima, Japan

Earthquake location 28.6114S, 142.6712WA light earthquake with magnitude 4.7 (ml/mb) was detected on Friday, 175 km NNE of Chichi-shima, Japan (109 miles). The temblor was reported at 15:21:29 / 3:21 pm (local time epicenter). The epicenter was at a depth of 22.35 km (14 miles). Exact location of earthquake, 142.6712° East, 28.6114° North, depth 22.35 km. Date and time of earthquake in UTC/GMT: 25/03/16 / 2016-03-25 05:21:29 / March 25, 2016 @ 5:21 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us20005cdh. Id of event: us20005cdh.

In the past 24 hours, there have been one, in the last 10 days two, in the past 30 days four and in the last 365 days eleven earthquakes of magnitude 3.0 or greater that have been detected nearby. 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.

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: 175 km NNE of Chichi-shima, Japan. This data comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.7 mb The magnitude for the event.
Longitude 142.6712° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 28.6114° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 22.35 km Depth of the event in kilometers.
Place 175km 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 2016-03-25 05:21:29 Time when the event occurred. UTC/GMT
Updated 2016-04-21 05:11:58 Time when the event was most recently updated. UTC/GMT
Timezone offset 600 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 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 1.57 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.43 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 117 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 us20005cdh Id of event.
Event Code 20005cdh An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005cdh, A comma-separated list of event ids that are associated to an event.

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