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Light World Earthquakes Magnitude 4-4.9

Light earthquake 4.1 mag, 34 km NNW of Miyako, Japan

Earthquake location 39.9233S, 141.7894WA light earthquake with magnitude 4.1 (ml/mb) was reported 34 kilometers (21 miles) from Miyako in Japan on Thursday. The 4.1-magnitude earthquake was detected at 02:15:29 / 2:15 am (local time epicenter). Event id: us700091sv. Ids that are associated to the earthquake: us700091sv. Global date and time of event UTC/GMT: 15/04/20 / 2020-04-15 17:15:29 / April 15, 2020 @ 5:15 pm. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). The earthquake occurred at a depth of 70.55 km (44 miles) below the earth’s surface. Exact location, longitude 141.7894° East, latitude 39.9233° North, depth = 70.55 km.

Nearest cities/city/villages to epicentrum/hypocenter was Misawa, Hanawa, Hanamaki (min 5000 pop). Event epicenter was 60 km (37 miles) from Morioka-shi (c. 295 200 pop), 69 km (43 miles) from Hachinohe (c. 239 000 pop), 83 km (52 miles) from Hanamaki (c. 73 100 pop), 33 km (21 miles) from Miyako (c. 51 700 pop), 72 km (45 miles) from Kamaishi (c. 43 100 pop), 91 km (57 miles) from Misawa (c. 42 800 pop). Close 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 one, in the last 10 days two, in the past 30 days two and in the last 365 days twenty-five earthquakes of magnitude 3.0 or greater that was reported nearby. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

Did you feel anything?

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. This information comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Date-Time, Location, Distances, Parameters and details about this quake, recorded: 34 km NNW of Miyako, Japan.

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More information

Parameter Value Description
Magnitude 4.1 mb The magnitude for the event.
Longitude 141.7894° East Decimal degrees longitude. Negative values for western longitudes.
Latitude 39.9233° North Decimal degrees latitude. Negative values for southern latitudes.
Depth 70.55 km Depth of the event in kilometers.
Place 34km NNW of Miyako, Japan Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time 2020-04-15 17:15:29 Time when the event occurred. UTC/GMT
Updated 2020-04-22 17:17:19 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 1.027 Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square 0.62 sec The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap 191 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 us700091sv Id of event.
Event Code 700091sv An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS ,us700091sv, A comma-separated list of event ids that are associated to an event.

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