Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Mwp 5.9 on date 13-12-2022 and time 14:25:18 (UTC) in region Ryukyu Islands, Japan [Sea: Japan]

A magnitude Mwp 5.9 earthquake occured in region: Ryukyu Islands, Japan [Sea: Japan], on

  • 13-12-2022 14:25:18 (UTC)
  • 13-12-2022 15:25:18 (UTC +01:00) Italian time
  • 13-12-2022 22:25:18 (UTC +08:00) local time in the region of the earthquake (Asia/Taipei)

and geographic coordinates (lat, lon) 27.4290, 129.6070 at 20 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.

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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
Reviewed
Rev100 		mb 5.4
Mwp 5.9
Mwpd 6.0 		2022-12-13
14:25:18		 27.4289 129.607 20 2022-12-13
14:41:10		 Sala Sismica INGV-Roma 112787481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-13 14:25:18
Latitude 27.4289
Longitude 129.6070
Depth (km) 20 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 112787481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 6474
Semi-minor axis of confidence ellipse (meter) 2203
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 5234.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100.211
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.29226
Epicentral distance of station closest to the epicenter (degree) 1.32711
Epicentral distance of station farthest from the epicenter (degree) 62.21946
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

Mwp:5.9

Field Value
Value 5.9
Uncertainty 0.2
Num. used stations 15
Type of magnitude Mwp
Reference to an origin 112787481
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-13 14:41:10

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.1
Num. used stations 11
Type of magnitude Mwpd
Reference to an origin 112787481
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-13 14:41:10

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 29
Type of magnitude mb
Reference to an origin 112787481
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-12-13 14:41:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IU.COLA.BHZ.00 2022-12-13T14:35:48.05 10.0 positive automatic sP 28 62.2195 1.64062 0
IU.COLA.BHZ.00 2022-12-13T14:35:40.47 10.0 positive automatic P 28 62.2195 2.14734 0
AT.TTA.BHZ. 2022-12-13T14:35:25.68 10.0 positive automatic sP 31 58.7368 2.85205 0
AT.TTA.BHZ. 2022-12-13T14:35:16.70 10.0 positive automatic P 31 58.7368 2.02387 0.421619
ND.KOUNC.BHZ.00 2022-12-13T14:35:13.95 10.0 negative automatic P 141 58.5477 0.743696 0.412764
AU.FORT.BHZ.00 2022-12-13T14:35:10.13 10.0 positive automatic P 182 58.2241 -0.835855 0.442447
AU.EIDS.BHZ. 2022-12-13T14:35:09.10 10.0 positive automatic sP 157 56.7024 0.810894 0
AU.EIDS.BHZ. 2022-12-13T14:35:07.12 10.0 negative automatic pP 157 56.7024 0.633725 0
AU.QLP.BHZ. 2022-12-13T14:34:59.52 10.0 positive automatic pP 164 55.8118 -0.602063 0
AU.EIDS.BHZ. 2022-12-13T14:34:59.50 10.0 positive automatic P 157 56.7024 -0.746618 0.476945
AU.QLP.BHZ. 2022-12-13T14:34:52.97 10.0 negative automatic P 164 55.8118 -0.916689 0.473484
AU.WRKA.BHZ.00 2022-12-13T14:34:29.05 10.0 negative automatic P 181 52.4793 -0.607719 0.526019
II.PALK.BHZ.00 2022-12-13T14:34:15.42 10.0 negative automatic P 256 50.4261 1.16596 0.559762
IU.CTAO.BHZ.00 2022-12-13T14:34:12.77 10.0 negative automatic P 159 50.1740 0.440504 0.563978
GE.MALK.BHZ. 2022-12-13T14:34:12.12 10.0 negative automatic P 257 50.0126 1.0582 0.553505
IU.HNR.BHZ.00 2022-12-13T14:33:49.15 10.0 negative automatic P 137 47.1462 0.141968 0.608594
II.AAK.BHZ.00 2022-12-13T14:33:45.52 10.0 positive automatic P 304 46.7237 -0.444913 0.608764
AU.FITZ.BHZ. 2022-12-13T14:33:37.05 10.0 negative automatic P 185 45.6910 -0.53207 0
II.KURK.BHZ.00 2022-12-13T14:33:27.67 10.0 negative automatic P 316 44.7368 -2.34732 0.65874
GE.PMG.BHZ.00 2022-12-13T14:32:56.57 10.0 negative automatic P 153 40.5703 0.407965 0.736336
GE.GSI.BHZ. 2022-12-13T14:32:54.17 10.0 positive automatic P 235 40.2915 0.309856 0.707969
AU.MTN.BHZ.00 2022-12-13T14:32:52.53 10.0 negative automatic P 178 40.2979 -1.3955 0.715987
IO.EVN.BHZ. 2022-12-13T14:32:32.30 10.0 positive automatic P 281 37.6958 -0.681279 0.708089
GE.SOEI.BHZ. 2022-12-13T14:32:28.87 10.0 positive automatic P 189 37.5409 -2.11709 0.710841
MY.KOM.BHZ. 2022-12-13T14:32:15.82 10.0 positive automatic P 228 35.5697 1.81963 0.835167
MY.KUM.BHZ. 2022-12-13T14:32:13.52 10.0 negative automatic P 236 35.3338 1.54353 0.820448
IU.MA2.BHZ.00 2022-12-13T14:32:11.37 10.0 positive automatic P 18 35.2750 -0.14601 0.841186
IU.YAK.BHZ.00 2022-12-13T14:32:03.02 10.0 negative automatic P 0 34.6006 -2.64543 0.798037
GE.FAKI.BHZ. 2022-12-13T14:31:29.32 10.0 negative automatic P 175 30.4536 -0.0409051 0.920799
GE.SANI.BHZ. 2022-12-13T14:31:21.12 10.0 negative automatic P 187 29.6825 -1.40129 0.869565
GE.TNTI.BHZ. 2022-12-13T14:30:56.27 10.0 negative automatic P 185 26.7424 -0.0185966 0.869565
IU.ULN.BHZ.00 2022-12-13T14:30:55.47 10.0 positive automatic P 325 26.9337 -2.81056 0.930233
RM.SLV.BHZ. 2022-12-13T14:30:32.82 10.0 positive automatic P 261 24.1401 0.04749 0.952381
IU.YSS.BHZ.00 2022-12-13T14:30:12.30 10.0 negative automatic P 24 22.0922 0.339857 0.97561
II.ERM.BHZ.00 2022-12-13T14:29:30.82 10.0 negative automatic P 34 18.3013 0.0892389 0.930233
JP.JTM.BHZ. 2022-12-13T14:29:21.50 10.0 positive automatic sP 32 16.3529 4.81496 0
IU.MAJO.BHZ.00 2022-12-13T14:28:04.07 10.0 positive automatic P 36 11.6621 0.662305 0.97561
JP.JGF.BHZ. 2022-12-13T14:27:47.85 10.0 positive automatic P 37 10.5008 0.303015 0.909091
IU.INCN.BHZ.00 2022-12-13T14:27:47.27 10.0 positive automatic P 347 10.3569 1.78465 0.43956
JP.JSG.BHZ. 2022-12-13T14:27:46.50 10.0 positive automatic P 43 10.3120 1.61996 0
G.INU.BHZ.00 2022-12-13T14:27:43.31 10.0 positive automatic P 37 10.1356 0.845971 0.930233
IU.TATO.BHZ.00 2022-12-13T14:27:09.82 10.0 positive automatic P 253 7.6771 1.06135 0.930233
JP.JMN.BHZ. 2022-12-13T14:27:02.95 10.0 positive automatic PP 29 7.2938 -0.614734 0.97561
JP.JTU.BHZ. 2022-12-13T14:27:02.45 10.0 negative automatic P 359 7.1006 1.61641 0.952381
JP.JSU.BHZ. 2022-12-13T14:26:19.60 10.0 positive automatic P 10 4.1461 -0.69806 0.930233
JP.JMZ.BHZ. 2022-12-13T14:25:53.90 10.0 negative automatic P 138 2.1629 0.932601 0.97561
JP.JOW.BHZ. 2022-12-13T14:25:41.95 10.0 positive automatic P 244 1.3271 0.447279 0.97561
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download