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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag was detected near Ishinomaki in Japan

Earthquake location 38.582S, 141.8741WA light earthquake magnitude 4.1 (ml/mb) has occurred on Saturday, 53 kilometers (33 miles) from Ishinomaki in Japan. The 4.1-magnitude earthquake was detected at 08:56:19 / 8:56 am (local time epicenter). The epicenter was at a depth of 58.39 km (36 miles). Exact location, longitude 141.8741° East, latitude 38.582° North, depth = 58.39 km. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Exact time and date of earthquake 12/01/18 / 2018-01-12 23:56:19 / January 12, 2018 @ 11:56 pm UTC/GMT. All ids that are associated to the event: us2000cpsg. Unique identifier: us2000cpsg.

The epicenter was 53 km (33 miles) from Ishinomaki (c. 117 200 pop), 80 km (50 miles) from Furukawa (c. 76 300 pop), 74 km (46 miles) from Ichinoseki (c. 63 000 pop), 89 km (55 miles) from Mizusawa (c. 61 300 pop), 79 km (49 miles) from Shiogama (c. 59 500 pop), 77 km (48 miles) from Kamaishi (c. 43 100 pop). Nearby country/countries that might be effected, Japan (c. 127 288 000 pop). Closest city/cities or villages, with min 5000 pop, to hypocenter/epicentrum was Tomiya, Mizusawa, Ōtsuchi.

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 three, in the last 10 days three, in the past 30 days five and in the last 365 days fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area.

Did you feel the quake?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home 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: 53 km ENE of Ishinomaki, Japan.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 141.8741° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 38.582° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 58.39 km Depth of the event in kilometers.
Place 53km ENE 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 2018-01-12 23:56:19 Time when the event occurred. UTC/GMT
Updated 2018-02-03 06:50:59 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 259 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 1.111 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.89 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 166 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 us2000cpsg Id of event.
Event Code 2000cpsg An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000cpsg, A comma-separated list of event ids that are associated to an event.

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