Earthquake with magnitude of mb 4.7 on date 30-05-2015 and time 14:10:12 (Italy) in region Japan [Sea]

A magnitude mb 4.7 earthquake occured in region: Japan [Sea], on

  • 30-05-2015 12:10:12 (UTC)
  • 30-05-2015 14:10:12 (UTC +02:00) Italian time
  • 30-05-2015 21:10:12 (UTC +09:00) local time in the region of the earthquake (Asia/Tokyo)

and geographic coordinates (lat, lon) 27.7, 140.74 at 670 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 mb 4.7 2015-05-30
12:10:12
27.7 140.75 670 2015-05-30
20:56:50
Sala Sismica INGV-Roma 19439111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-05-30 12:10:12
Latitude 27.70
Longitude 140.75
Depth (km) 670 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 19439111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 25278
Semi-minor axis of confidence ellipse (meter) 6735
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 280
Circular confidence region, given by single value of horizontal uncertainty (meter) 20555.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174.387
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.458062
Epicentral distance of station closest to the epicenter (degree) 5.47805
Epicentral distance of station farthest from the epicenter (degree) 88.81149
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

mb:4.7

Field Value
Value 4.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude mb
Reference to an origin 19439111
Agency INGV
Autore Auto added
Time of creation (UTC) 2015-05-30 20:56:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.EIL.BHZ. 2015-05-30T12:21:57.25 10.0 positive automatic P 303 88.8115 0.766592 0.102423
KZ.KKAR.BHZ. 2015-05-30T12:19:00.73 10.0 positive automatic P 306 57.5706 0.534645 0.452255
IU.PET.BHZ.00 2015-05-30T12:18:17.00 10.0 positive automatic sP 23 28.5864 1.59715 0
AU.FITZ.BHZ. 2015-05-30T12:17:53.54 10.0 positive automatic P 199 48.0767 0.256381 0.606884
II.WRAB.BHZ.00 2015-05-30T12:17:52.52 10.0 positive automatic P 188 48.0267 -0.440869 0.600522
IU.BILL.BHZ.00 2015-05-30T12:17:16.32 10.0 positive automatic P 14 43.1832 -0.195695 0.627415
AU.MTN.BHZ. 2015-05-30T12:17:04.27 10.0 negative automatic P 194 41.5949 0.0761988 0.72549
GE.SANI.BHZ. 2015-05-30T12:15:54.47 10.0 positive automatic P 208 32.9586 -0.0693109 0.889244
IU.MA2.BHZ.00 2015-05-30T12:15:51.92 10.0 positive automatic P 9 32.6133 0.209008 0.896525
JP.JSD.BHZ. 2015-05-30T12:12:35.80 10.0 negative automatic P 349 10.5511 -0.455142 0.909091
JP.JMM.BHZ. 2015-05-30T12:12:32.95 10.0 positive automatic P 0 10.1726 0.185944 0.952381
IU.MAJO.BHZ.00 2015-05-30T12:12:22.42 10.0 positive automatic P 347 9.1059 -0.612638 0.888889
JP.JWT.BHZ. 2015-05-30T12:12:20.80 10.0 negative automatic P 330 8.8492 0.141641 0.930233
JP.JYT.BHZ. 2015-05-30T12:12:17.65 10.0 positive automatic P 357 8.5472 -0.249752 0.952381
JP.JHJ2.BHZ. 2015-05-30T12:11:52.75 10.0 positive automatic P 352 5.478 0.664288 0.930233
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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