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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.5 mag, 42 km S of Ofunato, Japan


Earthquake location 38.6914S, 141.8002WA light earthquake magnitude 4.5 (ml/mb) has struck on Tuesday, 42 kilometers (26 miles) from Ofunato in Japan. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact location, longitude 141.8002° East, latitude 38.6914° North, depth = 56.13 km. The earthquake occurred at a depth of 56.13 km (35 miles). Global time and date of event 15/10/18 / 2018-10-15 23:34:19 / October 15, 2018 @ 11:34 pm UTC/GMT. Event ids that are associated to the earthquake: us1000hefg. Id of event: us1000hefg. The temblor was detected at 08:34:19 / 8:34 am (local time epicenter).

Nearby country/countries, Japan (c. 127 288 000 pop) (That might be effected). Nearest city/cities or towns, with min 5000 pop, to epicentrum/hypocenter was Sendai, Sendai-shi, Kitakami. Event epicenter was 94 km (59 miles) from Sendai (c. 1 063 100 pop), 93 km (58 miles) from Sendai-shi (c. 1 063 100 pop), 53 km (33 miles) from Ishinomaki (c. 117 200 pop), 88 km (55 miles) from Kitakami (c. 93 900 pop), 75 km (46 miles) from Furukawa (c. 76 300 pop), 63 km (39 miles) from Ichinoseki (c. 63 000 pop), 76 km (47 miles) from Mizusawa (c. 61 300 pop).

Each year there are an estimated 13,000 light quakes in the world. 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 fifty-two earthquakes of magnitude 3.0 or greater that has occurred nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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: 42 km S of Ofunato, Japan. This information comes from the USGS Earthquake Notification Service.

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More information

Parameter Value Description
Magnitude 4.5 mb The magnitude for the event.
Longitude 141.8002° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.6914° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.13 km Depth of the event in kilometers.
Place 42km 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 2018-10-15 23:34:19 Time when the event occurred. UTC/GMT
Updated 2018-10-29 01:57:58 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 312 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 1.143 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.76 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 130 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 us1000hefg Id of event.
Event Code 1000hefg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us1000hefg, A comma-separated list of event ids that are associated to an event.

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