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Light World Earthquakes Magnitude 4-4.9

Light earthquake, 4.1 mag strikes near Hachinohe in Japan

Earthquake location 40.8658S, 142.052WA light earthquake magnitude 4.1 (ml/mb) has struck on Tuesday, 61 kilometers (38 miles) from Hachinohe in Japan. The 4.1-magnitude earthquake was detected at 07:50:36 / 7:50 am (local time epicenter). Date and time of earthquake in UTC/GMT: 21/01/19 / 2019-01-21 22:50:36 / January 21, 2019 @ 10:50 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: us2000jdn3. Id of event: us2000jdn3. The epicenter of the earthquake was roughly 56.73 km (35 miles) below the earth’s surface. Exact location, longitude 142.052° East, latitude 40.8658° North, depth = 56.73 km.

Earthquake epicenter was 62 km (38 miles) from Hachinohe (c. 239 000 pop), 84 km (52 miles) from Mutsu (c. 49 200 pop), 59 km (37 miles) from Misawa (c. 42 800 pop). Nearest cities/city/towns to hypocenter/epicentrum was Mutsu, Hachinohe, Misawa (min 5000 pop). Nearby country/countries that might be effected, Japan (c. 127 288 000 pop).

Each 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 four, in the past 30 days four and in the last 365 days thirty-eight earthquakes of magnitude 3.0 or greater that have been detected in the same area. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

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What was your situation during the earthquake? Leave a comment or report about damage, shaking and activity 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: 61 km NE of Hachinohe, Japan.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 142.052° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 40.8658° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 56.73 km Depth of the event in kilometers.
Place 61km NE of Hachinohe, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2019-01-21 22:50:36 Time when the event occurred. UTC/GMT
Updated 2019-02-06 00:16:05 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 0.753 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.49 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 140 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 us2000jdn3 Id of event.
Event Code 2000jdn3 An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us2000jdn3, A comma-separated list of event ids that are associated to an event.

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