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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.6 mag, 41 km SSE of Ofunato, Japan


Earthquake location 38.7402S, 141.9315WA light earthquake magnitude 4.6 (ml/mb) has struck on Monday, 41 kilometers (25 miles) from Ofunato in Japan. Event ids that are associated to the earthquake: us2000i6rv. Id of event: us2000i6rv. The earthquake was roughly at a depth of 57.23 km (36 miles). Global time and date of event 04/11/18 / 2018-11-04 18:02:41 / November 4, 2018 @ 6:02 pm UTC/GMT. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The temblor was reported at 03:02:41 / 3:02 am (local time epicenter). Exact location of event, longitude 141.9315 East, latitude 38.7402 North, depth = 57.23 km.

Nearest cities/city/towns to hypocenter/epicentrum was Rifu, Kitakami, Shiogama (min 5000 pop). Event epicenter was 66 km (41 miles) from Ishinomaki (c. 117 200 pop), 93 km (58 miles) from Kitakami (c. 93 900 pop), 87 km (54 miles) from Furukawa (c. 76 300 pop), 72 km (45 miles) from Ichinoseki (c. 63 000 pop), 82 km (51 miles) from Mizusawa (c. 61 300 pop), 91 km (57 miles) from Shiogama (c. 59 500 pop), 60 km (37 miles) from Kamaishi (c. 43 100 pop). Close country/countries that might be effected, Japan (c. 127 288 000 pop).

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. In the past 24 hours, there have been four, in the last 10 days five, in the past 30 days ten and in the last 365 days fifty-five earthquakes of magnitude 3.0 or greater that has occurred 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: 41 km SSE of Ofunato, Japan.

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More information

Parameter Value Description
Magnitude 4.6 mb The magnitude for the event.
Longitude 141.9315° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.7402° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 57.23 km Depth of the event in kilometers.
Place 41km SSE 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 2018-11-04 18:02:41 Time when the event occurred. UTC/GMT
Updated 2018-12-03 16:56:30 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 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 1.25 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.88 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 109 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 us2000i6rv Id of event.
Event Code 2000i6rv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000i6rv, A comma-separated list of event ids that are associated to an event.

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