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Light World Earthquakes Magnitude 4-4.9

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

Posted by admin on July 29, 2015 0 Comments

Earthquake location 27.6613S, 140.2538WA light earthquake magnitude 4 (ml/mb) has struck on Sunday, 204 km WNW of Chichi-shima, Japan (127 miles). The earthquake occurred at a depth of 471.92 km (293 miles) below the earth’s surface. The temblor was picked up at 12:30:22 / 12:30 pm (local time epicenter). Exact location of event, depth 471.92 km, 140.2538° East, 27.6613° North. Id of earthquake: us20002zhf. Event ids that are associated: us20002zhf. Global date and time of event UTC/GMT: 05/07/15 / 2015-07-05 03:30:22 / July 5, 2015 @ 3:30 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

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

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. 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: 204 km WNW of Chichi-shima, Japan.

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More information

Parameter Value Description
Magnitude 4 mb The magnitude for the event.
Longitude 140.2538° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 27.6613° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 471.92 km Depth of the event in kilometers.
Place 204km WNW 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 2015-07-05 03:30:22 Time when the event occurred. UTC/GMT
Updated 2015-07-29 02:25:11 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 246 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 1.806 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.95 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 105 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 us20002zhf Id of event.
Event Code 20002zhf An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us20002zhf, A comma-separated list of event ids that are associated to an event.

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