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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.3 mag strikes near Ofunato in Japan

Earthquake location 38.8907S, 142.2041WA light earthquake magnitude 4.3 (ml/mb) strikes 46 kilometers (29 miles) from Ofunato in Japan on Monday. Unique identifier: us2000a5db. Ids that are associated to the event: us2000a5db. The 4.3-magnitude earthquake was detected at 02:55:46 / 2:55 am (local time epicenter). The epicenter of the earthquake was roughly 53.72 km (33 miles) below the earth’s surface. Exact time and date of earthquake 06/08/17 / 2017-08-06 17:55:46 / August 6, 2017 @ 5:55 pm UTC/GMT. Exact location of event, longitude 142.2041 East, latitude 38.8907 North, depth = 53.72 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist).

Epicenter of the earthquake was 93 km (58 miles) from Ichinoseki (c. 63 000 pop), 87 km (54 miles) from Miyako (c. 51 700 pop), 52 km (32 miles) from Kamaishi (c. 43 100 pop), 47 km (29 miles) from Ōfunato (c. 35 400 pop), 75 km (46 miles) from Tōno (c. 26 800 pop), 68 km (42 miles) from Yamada (c. 20 100 pop). Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest cities/city/villages to epicentrum/hypocenter was Ichinoseki, Miyako, Tōno (min 5000 pop).

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

Did you feel it?

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. Read more about the earthquake, Location, Distances, Seismometer information, Date-Time, Parameters and details about this quake, reported near: 46 km ESE of Ofunato, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.3 mb The magnitude for the event.
Longitude 142.2041° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8907° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 53.72 km Depth of the event in kilometers.
Place 46km ESE of Ofunato, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-08-06 17:55:46 Time when the event occurred. UTC/GMT
Updated 2017-08-27 14:13:13 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 284 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 1.508 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 1.31 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 137 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 us2000a5db Id of event.
Event Code 2000a5db An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000a5db, A comma-separated list of event ids that are associated to an event.

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