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Earthquake breaking news, Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.6 mag strikes near Ofunato in Japan


Earthquake location 38.8406S, 141.6736WA light earthquake magnitude 4.6 (ml/mb) has occurred on Sunday, 25 kilometers (16 miles) from Ofunato in Japan. Event ids that are associated to the earthquake: us1000349s. Id of event: us1000349s. The epicenter was at a depth of 76.4 km (47 miles). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The 4.6-magnitude earthquake was detected at 11:08:43 / 11:08 am (local time epicenter). Global time and date of event 23/08/15 / 2015-08-23 02:08:43 / August 23, 2015 @ 2:08 am UTC/GMT. Exact location, longitude 141.6736° East, latitude 38.8406° North, depth = 76.4 km.

Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Earthquake epicenter was 96 km (59 miles) from Sendai (c. 1 063 100 pop), 94 km (59 miles) from Sendai-shi (c. 1 063 100 pop), 57 km (36 miles) from Ishinomaki (c. 117 200 pop), 69 km (43 miles) from Kitakami (c. 93 900 pop), 69 km (43 miles) from Furukawa (c. 76 300 pop), 77 km (48 miles) from Hanamaki (c. 73 100 pop), 48 km (30 miles) from Ichinoseki (c. 63 000 pop). Nearest cities/city/villages to epicentrum/hypocenter was Sendai, Sendai-shi, Miyako (min 5000 pop).

Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage. Every 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 two, in the past 30 days six and in the last 365 days fourty-six earthquakes of magnitude 3.0 or greater that has occurred nearby.

How would you describe the shaking?

What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity at your home, city and country. 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: 25 km S of Ofunato, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.6736° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.8406° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 76.4 km Depth of the event in kilometers.
Place 25km S 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 2015-08-23 02:08:43 Time when the event occurred. UTC/GMT
Updated 2015-08-23 02:38:09 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 326 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 1.193 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 139 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 us1000349s Id of event.
Event Code 1000349s An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000349s, A comma-separated list of event ids that are associated to an event.

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