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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Hachijo-jima in Japan

Posted by admin on April 15, 2016 0 Comments

Earthquake location 31.4978S, 142.2372WA light earthquake with magnitude 4.2 (ml/mb) was detected on Wednesday, 289 km SE of Hachijo-jima, Japan (180 miles). The epicenter of the earthquake was roughly 10 km (6 miles) below the earth’s surface. Unique identifier: us20005dc2. Ids that are associated to the event: us20005dc2. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.2-magnitude earthquake has occurred at 18:18:28 / 6:18 pm (local time epicenter). Global date and time of event UTC/GMT: 23/03/16 / 2016-03-23 09:18:28 / March 23, 2016 @ 9:18 am. Exact location of earthquake, 142.2372° East, 31.4978° North, depth 10 km.

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

Did you feel the quake?

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, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 289 km SE of Hachijo-jima, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 142.2372° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 31.4978° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 289km SE of Hachijo-jima, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2016-03-23 09:18:28 Time when the event occurred. UTC/GMT
Updated 2016-04-15 13:16:33 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 271 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 2.61 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.64 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 us20005dc2 Id of event.
Event Code 20005dc2 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20005dc2, A comma-separated list of event ids that are associated to an event.

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