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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.2 mag, 80 km SE of Ishinomaki, Japan

Earthquake location 37.8866S, 141.9272WA light earthquake magnitude 4.2 (ml/mb) strikes 80 kilometers (50 miles) from Ishinomaki in Japan on Monday. The earthquake occurred at a depth of 41.94 km (26 miles). The 4.2-magnitude earthquake has occurred at 00:31:23 / 12:31 am (local time epicenter). A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Global time and date of event 10/09/17 / 2017-09-10 15:31:23 / September 10, 2017 @ 3:31 pm UTC/GMT. Id of earthquake: us2000artt. Event ids that are associated: us2000artt. Exact location, longitude 141.9272° East, latitude 37.8866° North, depth = 41.94 km.

Closest city/cities/towns to epicentrum/hypocenter was Namie, Matsushima, Shiogama (min 5000 pop). Close country/countries, Japan (c. 127 288 000 pop) (That might be effected). Earthquake epicenter was 81 km (50 miles) from Ishinomaki (c. 117 200 pop), 92 km (57 miles) from Shiogama (c. 59 500 pop), 87 km (54 miles) from Yamoto (c. 32 000 pop), 93 km (58 miles) from Namie (c. 21 900 pop), 93 km (58 miles) from Matsushima (c. 16 400 pop).

Every year there are an estimated 13,000 light earthquakes in the world. In the past 24 hours, there have been three, in the last 10 days three, in the past 30 days eight and in the last 365 days one hundred and fifty earthquakes of magnitude 3.0 or greater that has struck near. 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. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 80 km SE of Ishinomaki, Japan.

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More information

Parameter Value Description
Magnitude 4.2 mb The magnitude for the event.
Longitude 141.9272° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 37.8866° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 41.94 km Depth of the event in kilometers.
Place 80km SE of Ishinomaki, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2017-09-10 15:31:23 Time when the event occurred. UTC/GMT
Updated 2017-09-27 21:14:33 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 0.9 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.79 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 176 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 us2000artt Id of event.
Event Code 2000artt An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000artt, A comma-separated list of event ids that are associated to an event.

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