Earthquake with magnitude of Mwp 6.3 on date 21-02-2022 and time 23:24:14 (UTC) in region Antarctica [Sea]

A magnitude Mwp 6.3 earthquake occured in region: Antarctica [Sea], on

  • 21-02-2022 23:24:14 (UTC)
  • 22-02-2022 00:24:14 (UTC +01:00) Italian time
  • 22-02-2022 12:24:14 (UTC +13:00) local time in the region of the earthquake (Antarctica/McMurdo)

and geographic coordinates (lat, lon) -69.7570, 165.3980 at 1 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 5.4
Mwp 6.3

Mwpd 6.5
2022-02-21
23:24:14
-69.757 165.398 1 2022-02-21
23:42:57
Sala Sismica INGV-Roma 101263971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-21 23:24:14
Latitude -69.7570
Longitude 165.3980
Depth (km) 1 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 101263971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 19268
Semi-minor axis of confidence ellipse (meter) 4216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 15583.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113.558
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.43521
Epicentral distance of station closest to the epicenter (degree) 7.82041
Epicentral distance of station farthest from the epicenter (degree) 96.09887
Number of stations at which the event was observed 57
Number of stations from which data was used for origin computation 57
Magnitudes information

Mwp:6.3

Field Value
Value 6.3
Uncertainty 0.2
Num. used stations 34
Type of magnitude Mwp
Reference to an origin 101263971
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-02-21 23:42:57

Mwpd:6.5

Field Value
Value 6.5
Uncertainty 0.2
Num. used stations 35
Type of magnitude Mwpd
Reference to an origin 101263971
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-02-21 23:42:57

mb:5.4

Field Value
Value 5.4
Uncertainty 0.1
Num. used stations 46
Type of magnitude mb
Reference to an origin 101263971
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2022-02-21 23:42:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
GE.MALK.BHZ. 2022-02-21T23:37:40.67 10.0 positive automatic P 278 96.0989 -1.12416 0.0544199
II.SHEL.BHZ.00 2022-02-21T23:37:34.07 10.0 negative automatic P 189 94.0516 1.56157 0
GE.HALK.BHZ. 2022-02-21T23:37:31.00 10.0 positive automatic P 277 93.8851 -0.669901 0.0633768
GE.KAAM.BHZ. 2022-02-21T23:37:20.02 10.0 positive automatic P 268 91.2897 0.358493 0.0764079
IU.TSUM.BHZ.00 2022-02-21T23:37:04.77 10.0 positive automatic P 210 88.1596 -0.462447 0.109753
MY.KUM.BHZ. 2022-02-21T23:36:55.27 10.0 positive automatic P 296 86.5298 -1.88819 0.119371
GT.LPAZ.BHZ.00 2022-02-21T23:36:55.95 10.0 positive automatic P 129 86.2276 -0.534506 0.121711
MY.IPM.BHZ. 2022-02-21T23:36:51.02 10.0 positive automatic P 296 85.6424 -1.78027 0.12337
GE.WIN.BHZ. 2022-02-21T23:36:49.35 10.0 positive automatic P 209 84.9343 -0.166835 0.125985
GE.GSI.BHZ. 2022-02-21T23:36:42.92 10.0 positive automatic P 291 83.7258 -0.178909 0.135506
CX.MNMCX.BHZ. 2022-02-21T23:36:40.05 10.0 positive automatic P 129 83.1064 -0.240379 0.140521
MY.KOM.BHZ. 2022-02-21T23:36:34.32 10.0 positive automatic P 298 82.2147 -0.935874 0.147902
GT.LBTB.BHZ.00 2022-02-21T23:36:28.23 10.0 positive automatic P 216 80.9492 -0.531024 0.168258
MY.SBM.BHZ. 2022-02-21T23:36:24.27 10.0 positive automatic P 306 80.3834 -1.29372 0.163649
GE.VOI.BHZ. 2022-02-21T23:36:17.60 10.0 negative automatic P 236 78.6727 1.19048 0.175099
GT.BOSA.BHZ.00 2022-02-21T23:36:09.98 10.0 positive automatic P 215 77.5130 -0.0115568 0.203833
AF.ALKP.BHZ. 2022-02-21T23:36:05.83 10.0 positive automatic P 212 76.7957 -0.0978305 0.180408
GE.MNAI.BHZ. 2022-02-21T23:36:04.72 10.0 positive automatic P 295 76.6439 -0.190577 0.198279
II.SUR.BHZ.00 2022-02-21T23:35:54.27 10.0 positive automatic P 210 74.6710 0.379004 0.217887
C.GO03.BHZ. 2022-02-21T23:35:54.30 10.0 positive automatic P 131 74.8382 -0.376496 0.213761
IU.LCO.BHZ.00 2022-02-21T23:35:45.37 10.0 positive automatic P 131 73.3632 -0.949227 0.216626
C.GO04.BHZ. 2022-02-21T23:35:38.68 10.0 positive automatic P 131 72.2294 -0.887594 0.238025
WA.ZON.HHZ. 2022-02-21T23:35:34.48 10.0 positive automatic P 133 71.4618 -0.236698 0.26126
C1.CO02.BHZ. 2022-02-21T23:35:32.70 10.0 positive automatic P 131 71.1947 -0.468165 0.246293
AU.XMI.BHZ. 2022-02-21T23:35:25.02 10.0 positive automatic P 295 70.0105 -0.764944 0.264869
G.PEL.BHZ.00 2022-02-21T23:35:21.95 10.0 positive automatic P 132 69.4316 -0.34254 0.280831
C.GO05.BHZ. 2022-02-21T23:35:07.93 10.0 positive automatic P 132 67.3346 -1.1353 0.30235
GE.SOEI.BHZ. 2022-02-21T23:34:56.62 10.0 positive automatic P 315 65.4263 -0.378817 0.308081
C.GO06.BHZ. 2022-02-21T23:34:42.30 10.0 positive automatic P 134 63.1180 0.40858 0.367996
GT.PLCA.BHZ.00 2022-02-21T23:34:36.85 10.0 positive automatic P 135 62.2598 0.721349 0.388964
AU.MTN.BHZ.00 2022-02-21T23:34:24.60 10.0 positive automatic P 321 60.8305 -1.71863 0.399603
AU.KDU.BHZ.00 2022-02-21T23:34:23.63 10.0 positive automatic P 323 60.6966 -1.76778 0.401492
C1.LL02.BHZ. 2022-02-21T23:34:18.20 10.0 positive automatic P 135 59.6214 0.130669 0.333468
G.COYC.BHZ.00 2022-02-21T23:34:03.60 10.0 positive automatic P 135 57.3257 1.57208 0.450553
IU.MBWA.BHZ.00 2022-02-21T23:33:48.72 10.0 positive automatic P 306 55.6538 -1.38966 0.470335
II.EFI.BHZ.00 2022-02-21T23:33:42.65 10.0 positive automatic P 148 54.5247 0.715694 0.481993
II.WRAB.BHZ.00 2022-02-21T23:33:30.72 10.0 positive automatic P 323 53.2299 -1.78415 0.526504
II.MSVF.BHZ.00 2022-02-21T23:33:29.77 10.0 negative automatic P 15 52.5896 1.91996 0.489309
IU.CTAO.BHZ.00 2022-02-21T23:33:15.32 10.0 positive automatic P 337 51.0042 -0.612423 0.537385
AU.WRKA.BHZ.00 2022-02-21T23:33:04.83 10.0 positive automatic P 314 49.6747 -1.08797 0.572396
ND.KOUNC.BHZ.00 2022-02-21T23:33:01.80 10.0 positive automatic P 359 49.2088 -0.461863 0.507751
AU.MORW.BHZ. 2022-02-21T23:33:01.00 10.0 positive automatic P 299 49.2438 -0.569657 0.547124
ND.MARNC.BHZ.00 2022-02-21T23:32:54.50 10.0 positive automatic P 3 48.3001 -0.768006 0.581974
ND.ONTNC.BHZ.00 2022-02-21T23:32:48.40 10.0 positive automatic P 1 47.4519 -0.303356 0.569824
G.PAF.BHZ.00 2022-02-21T23:32:44.35 10.0 negative automatic P 244 46.2513 5.06119 0.564437
IU.NWAO.BHZ.00 2022-02-21T23:32:30.87 10.0 positive automatic P 298 45.2708 -0.733331 0.62675
AU.QLP.BHZ. 2022-02-21T23:32:28.62 10.0 positive automatic P 333 44.8917 0.0676881 0.655965
AU.EIDS.BHZ. 2022-02-21T23:32:28.72 10.0 negative automatic P 342 45.1757 -2.09623 0.666719
AU.FORT.BHZ.00 2022-02-21T23:32:22.95 10.0 positive automatic P 312 44.2348 -0.347189 0.667888
AU.ARMA.BHZ. 2022-02-21T23:31:50.62 10.0 negative automatic P 341 40.1057 0.84852 0.727951
AU.HTT.BHZ. 2022-02-21T23:31:42.55 10.0 positive automatic P 324 39.1598 0.725011 0.745853
AU.TOO.BHZ.00 2022-02-21T23:30:58.10 10.0 positive automatic P 331 33.9061 1.13111 0.849236
AU.MAW.BHZ. 2022-02-21T23:30:50.90 10.0 positive automatic P 223 32.9774 2.13179 0.888878
NZ.ODZ.HHZ.10 2022-02-21T23:29:37.62 10.0 negative automatic P 9 24.8519 1.20892 0.930233
IU.CASY.BHZ.00 2022-02-21T23:28:47.92 10.0 positive automatic P 253 20.1020 0.413963 0.909091
IU.SBA.BHZ.00 2022-02-21T23:26:10.20 10.0 positive automatic P 178 8.1001 -0.964908 0.952381
GT.VNDA.BHZ.00 2022-02-21T23:26:06.80 10.0 positive automatic P 186 7.8204 -0.538441 0.963855
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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