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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.2 mag strikes near Haebaru in Japan

Earthquake location 25.8494S, 128.5125WA light earthquake with magnitude 4.2 (ml/mb) was reported 83 kilometers (52 miles) from Haebaru in Japan on Thursday. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location of event, longitude 128.5125 East, latitude 25.8494 North, depth = 10 km. The earthquake occurred at a depth of 10 km (6 miles) below the earth’s surface. Id of earthquake: us600052tb. Event ids that are associated: us600052tb. Global time and date of event 01/08/19 / 2019-08-01 08:39:23 / August 1, 2019 @ 8:39 am UTC/GMT. The 4.2-magnitude earthquake was detected at 17:39:23 / 5:39 pm (local time epicenter).

Close country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Naha-shi, Tomigusuku, Chatan. Epicenter of the earthquake was 92 km (57 miles) from Naha-shi (c. 300 800 pop), 89 km (55 miles) from Okinawa (c. 125 500 pop), 88 km (55 miles) from Ginowan (c. 91 800 pop), 86 km (53 miles) from Gushikawa (c. 65 300 pop), 90 km (56 miles) from Itoman (c. 57 200 pop), 91 km (57 miles) from Tomigusuku (c. 55 700 pop).

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

Did you feel it?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 83 km SE of Haebaru, 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 128.5125° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 25.8494° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 10 km Depth of the event in kilometers.
Place 83km 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 2019-08-01 08:39:23 Time when the event occurred. UTC/GMT
Updated 2019-08-22 06:20:25 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 1.005 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.67 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 83 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 us600052tb Id of event.
Event Code 600052tb An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us600052tb, A comma-separated list of event ids that are associated to an event.

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