Earthquake with magnitude of Mwp 6.0 on date 12-12-2021 and time 09:58:12 (Italy) in region West of Macquarie Island [Sea]

A magnitude Mwp 6.0 earthquake occured in region: West of Macquarie Island [Sea], on

  • 12-12-2021 08:58:12 (UTC)
  • 12-12-2021 09:58:12 (UTC +01:00) Italian time
  • 12-12-2021 19:58:12 (UTC +11:00) local time in the region of the earthquake (Antarctica/Macquarie)

and geographic coordinates (lat, lon) -60.4900, 153.3980 at 12 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
Reviewed
Rev100
mb 5.2
Mwp 6.0

Mwpd 6.0
2021-12-12
08:58:12
-60.4898 153.398 12 2021-12-12
09:18:21
Sala Sismica INGV-Roma 98421861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-12 08:58:12
Latitude -60.4898
Longitude 153.3980
Depth (km) 12 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 98421861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 15058
Semi-minor axis of confidence ellipse (meter) 14117
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 45
Circular confidence region, given by single value of horizontal uncertainty (meter) 12673.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135.46
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.39624
Epicentral distance of station closest to the epicenter (degree) 6.68863
Epicentral distance of station farthest from the epicenter (degree) 97.32311
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

Mwp:6.0

Field Value
Value 6.0
Uncertainty 0.2
Num. used stations 7
Type of magnitude Mwp
Reference to an origin 98421861
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-12 09:18:21

Mwpd:6.0

Field Value
Value 6.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude Mwpd
Reference to an origin 98421861
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-12 09:18:21

mb:5.2

Field Value
Value 5.2
Uncertainty 0.1
Num. used stations 19
Type of magnitude mb
Reference to an origin 98421861
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2021-12-12 09:18:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
JP.JYT.BHZ. 2021-12-12T09:11:50.00 10.0 positive automatic sP 349 97.3231 1.79213 0
GT.LBTB.BHZ.00 2021-12-12T09:10:50.98 10.0 negative automatic sP 226 84.5793 2.3447 0
GT.BOSA.BHZ.00 2021-12-12T09:10:35.05 10.0 positive automatic PcP 224 81.3865 1.0589 0
AF.ALKP.BHZ. 2021-12-12T09:10:33.87 10.0 negative automatic PcP 221 81.1673 0.871593 0
II.SUR.BHZ.00 2021-12-12T09:10:25.37 10.0 negative automatic PcP 219 79.3616 0.130406 0
MY.KUM.BHZ. 2021-12-12T09:10:05.42 10.0 negative automatic P 306 77.4842 -1.03558 0.194617
MY.SBM.BHZ. 2021-12-12T09:09:25.12 10.0 positive automatic P 316 70.5383 -0.739909 0.281109
GE.FAKI.BHZ. 2021-12-12T09:08:15.57 10.0 positive automatic P 335 59.7905 -0.499326 0.414381
AU.MTN.BHZ.00 2021-12-12T09:07:06.20 10.0 negative automatic P 331 50.3626 -1.75284 0.554222
AU.KDU.BHZ.00 2021-12-12T09:07:04.55 10.0 positive automatic P 333 50.2069 -2.20462 0.550321
IU.MBWA.BHZ.00 2021-12-12T09:06:33.35 10.0 positive automatic P 314 45.8551 0.231808 0.631134
II.WRAB.BHZ.00 2021-12-12T09:06:06.20 10.0 positive automatic P 333 42.7383 -1.98602 0.687237
IU.CTAO.BHZ.00 2021-12-12T09:05:50.30 10.0 negative automatic P 350 40.7163 -1.33058 0.684639
ND.KOUNC.BHZ.00 2021-12-12T09:05:50.85 10.0 positive automatic P 16 40.6727 -0.369177 0.717296
AU.MORW.BHZ. 2021-12-12T09:05:47.70 10.0 negative automatic P 305 40.0885 1.27191 0.711694
G.DZM.BHZ.00 2021-12-12T09:05:41.74 10.0 negative automatic P 19 39.4901 0.194713 0.750013
AU.EIDS.BHZ. 2021-12-12T09:05:04.85 10.0 positive automatic P 356 35.1555 0.181533 0.864209
AU.QLP.BHZ. 2021-12-12T09:04:58.70 10.0 positive automatic P 345 34.4778 -0.117709 0.847485
AU.FORT.BHZ.00 2021-12-12T09:04:56.08 10.0 positive automatic P 319 34.1229 0.347808 0.886015
AU.ARMA.BHZ. 2021-12-12T09:04:21.37 10.0 positive automatic P 357 30.0934 0.836595 0.877419
IU.QSPA.BHZ.00 2021-12-12T09:04:14.52 10.0 positive automatic P 180 29.4386 -0.51537 0.888889
AU.HTT.BHZ. 2021-12-12T09:04:09.32 10.0 positive automatic P 334 28.6583 1.58404 0.952381
NZ.URZ.HHZ.10 2021-12-12T09:03:50.71 10.0 negative automatic P 45 26.7426 0.229716 0.970874
G.CAN.BHZ.00 2021-12-12T09:03:38.80 10.0 positive automatic P 352 25.3293 1.00261 0.888889
AU.MILA.BHZ.00 2021-12-12T09:03:22.75 10.0 positive automatic P 352 23.5889 0.809691 0.963855
NZ.KHZ.HHZ.10 2021-12-12T09:03:02.97 10.0 positive automatic P 43 21.8091 -0.0671918 0.732601
NZ.ODZ.HHZ.10 2021-12-12T09:02:27.67 10.0 positive automatic P 41 18.5153 0.41436 0.884956
II.TAU.BHZ.00 2021-12-12T09:02:22.37 10.0 positive automatic P 345 17.9599 1.78184 0.97561
AU.MCQ.BHZ.00 2021-12-12T08:59:44.65 10.0 positive automatic P 29 6.6886 -4.45011 0.43956
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