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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag was detected near Haebaru in Japan

Posted by admin on February 28, 2018 0 Comments

Earthquake location 25.9376S, 128.512WA light earthquake magnitude 4.2 (ml/mb) strikes 77 kilometers (48 miles) from Haebaru in Japan on Friday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake was roughly at a depth of 10 km (6 miles). The temblor was reported at 05:37:02 / 5:37 am (local time epicenter). Id of earthquake: us2000d4u7. Event ids that are associated: us2000d4u7. Exact location of earthquake, longitude 128.512 East, latitude 25.9376 North, depth = 10 km. Exact time and date of event in UTC/GMT: 08/02/18 / 2018-02-08 20:37:02 / February 8, 2018 @ 8:37 pm.

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities/towns to epicentrum/hypocenter was Nago, Naha-shi, Ishikawa (min 5000 pop). Event epicenter was 88 km (55 miles) from Naha-shi (c. 300 800 pop), 84 km (52 miles) from Okinawa (c. 125 500 pop), 83 km (52 miles) from Ginowan (c. 91 800 pop), 80 km (49 miles) from Gushikawa (c. 65 300 pop), 92 km (57 miles) from Nago (c. 59 600 pop), 87 km (54 miles) from Itoman (c. 57 200 pop).

There are an estimated 13,000 light quakes 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 one, in the last 10 days one, in the past 30 days one and in the last 365 days nine earthquakes of magnitude 3.0 or greater that has struck near.

Did you feel anything?

Did objects rattle, topple over, or fall off shelves? Leave a comment or report about activity, shaking and damage at your home, country and city. 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: 77 km SE of Haebaru, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 128.512° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.9376° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 77km SE of Haebaru, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2018-02-08 20:37:02 Time when the event occurred. UTC/GMT
Updated 2018-02-28 22:21:51 Time when the event was most recently updated. UTC/GMT
Timezone offset 540 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 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 0.92 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.04 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 80 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 us2000d4u7 Id of event.
Event Code 2000d4u7 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000d4u7, A comma-separated list of event ids that are associated to an event.

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