Earthquake with magnitude of ML 2.2 on date 30-12-2021 and time 08:43:13 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 2.2 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 30-12-2021 07:43:13 (UTC)
  • 30-12-2021 08:43:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9960, 7.4370 at 1 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bionaz AO 14 236 236
Oyace AO 17 219 455
Ollomont AO 19 157 612
Valtournenche AO 20 2277 2889

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
Bulletin
Rev1000
ML 2.2 2021-12-30
07:43:13
45.9962 7.4372 1 2022-03-30
13:04:25
Bollettino Sismico Italiano INGV 99228291
Reviewed
Rev100
ML 2.3 2021-12-30
07:43:13
46.0387 7.3792 8 2021-12-30
14:19:52
Sala Sismica INGV-Roma 99152591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-30 07:43:13 ± 0.13
Latitude 45.9962 ± 0.0063
Longitude 7.4372 ± 0.0104
Depth (km) 1 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 99228291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 616
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.50546
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 99228291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-03 11:16:08

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 99152591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-30 14:19:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2021-12-30T07:45:03.47 3.0 negative manual Pn 7.25 0
IV.IMOL.HNZ. 2021-12-30T07:44:59.36 3.0 undecidable manual Sn 8.09 0
IV.SSFR.HHZ. 2021-12-30T07:44:42.93 3.0 positive manual Pg 18.74 0
IV.AGLI.HHZ. 2021-12-30T07:44:41.60 3.0 positive manual Pg 11.54 0
IV.NDIM.HNZ. 2021-12-30T07:44:32.55 3.0 undecidable manual Sn 0.33 0
IV.FOSV.EHZ. 2021-12-30T07:44:30.82 3.0 negative manual Pn 5.64 0
MN.TRI.HHZ. 2021-12-30T07:44:30.68 3.0 negative manual Pn 8.7 0
IV.RIBO.EHZ.01 2021-12-30T07:44:27.99 3.0 undecidable manual Pg 12.01 0
IV.IMOL.HNZ. 2021-12-30T07:44:15.84 3.0 negative manual Pn 7.22 0
IV.FIU.EHZ. 2021-12-30T07:44:12.32 3.0 negative manual Pg 7.7 0
CH.BDI.HHZ. 2021-12-30T07:44:08.60 3.0 undecidable manual P 0
CH.MUGIO.HHZ. 2021-12-30T07:43:51.15 0.6 undecidable manual S 93 123.987 50 -0.33 38
IV.VARE.HHZ. 2021-12-30T07:43:45.65 0.6 undecidable manual S 97 103.8183 50 -0.44 38
GU.RSP.HHZ. 2021-12-30T07:43:42.82 0.6 undecidable manual S 188 95.0382 50 -0.92 32
GU.PZZ.HHZ. 2021-12-30T07:43:42.63 0.6 undecidable manual P 189 167.1105 50 0.45 32
CH.MUGIO.HHZ. 2021-12-30T07:43:36.20 0.3 undecidable manual P 93 123.987 50 0.67 51
GU.BHB.HHZ. 2021-12-30T07:43:36.67 0.3 undecidable manual P 186 129.4704 50 0.3 56
CH.BNALP.HHE. 2021-12-30T07:43:35.39 0.6 undecidable manual P 38 122.8881 50 0.03 40
GU.TRAV.HHZ. 2021-12-30T07:43:33.75 0.6 undecidable manual S 156 58.7967 50 -0.32 43
IV.VARE.HHZ. 2021-12-30T07:43:32.88 0.3 undecidable manual P 97 103.8183 50 0.46 57
GU.RSP.HHZ. 2021-12-30T07:43:31.22 0.3 undecidable manual P 188 95.0382 50 0.16 62
GU.CIRO.HHZ. 2021-12-30T07:43:28.57 0.6 undecidable manual S 167 44.9217 92 -0.75 38
CH.MMK.HHZ. 2021-12-30T07:43:27.40 0.6 undecidable manual S 81 41.0256 92 -0.58 41
IV.MRGE.HHZ. 2021-12-30T07:43:26.32 0.6 undecidable manual S 229 38.4282 92 -0.75 39
GU.TRAV.HHZ. 2021-12-30T07:43:25.57 0.1 positive manual P 156 58.7967 50 0.09 90
GU.CIRO.HHZ. 2021-12-30T07:43:23.08 0.3 undecidable manual P 167 44.9217 92 0.34 66
GU.REMY.HHE. 2021-12-30T07:43:23.36 0.6 undecidable manual S 231 27.8499 93 -0.07 48
CH.MMK.HHZ. 2021-12-30T07:43:22.22 0.3 undecidable manual P 81 41.0256 92 0.26 67
IV.MRGE.HHZ. 2021-12-30T07:43:21.55 0.1 undecidable manual P 229 38.4282 92 0.12 93
GU.REMY.HHE. 2021-12-30T07:43:19.64 0.1 undecidable manual P 231 27.8499 93 0.31 91
CH.DIX.HHZ. 2021-12-30T07:43:16.30 0.6 undecidable manual S 347 9.5793 97 -0.78 40
CH.DIX.HHZ. 2021-12-30T07:43:15.66 0.1 negative manual P 347 9.5793 97 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHE. ML:2.4 0.0009655 0.42 AML other m 2021-12-30T07:43:26.57
IV.MRGE.HHN. ML:2.4 0.001095 0.52 AML other m 2021-12-30T07:43:26.98
CH.MMK.HHN. ML:1.4 0.00008595 0.5 AML other m 2021-12-30T07:43:27.65
CH.MMK.HHE. ML:1.3 0.00006604999999999999 1.7 AML other m 2021-12-30T07:43:29.94
GU.CIRO.HHE. ML:1.8 0.0002135 1.04 AML other m 2021-12-30T07:43:30.56
GU.CIRO.HHN. ML:2.0 0.0003055 0.32 AML other m 2021-12-30T07:43:30.88
GU.TRAV.HHE. ML:2.2 0.0003615 0.9 AML other m 2021-12-30T07:43:35.64
GU.TRAV.HHN. ML:2.4 0.000575 0.28 AML other m 2021-12-30T07:43:36.56
GU.RSP.HNN. ML:2.3 0.0002185 1.14 AML other m 2021-12-30T07:43:46.90
GU.RSP.HHE. ML:2.6 0.000412 0.2 AML other m 2021-12-30T07:43:46.96
GU.RSP.HNE. ML:2.5 0.0003375 0.2 AML other m 2021-12-30T07:43:46.86
GU.RSP.HHN. ML:2.4 0.0002685 1.46 AML other m 2021-12-30T07:43:46.25
IV.VARE.HHN. ML:2.3 0.000195 0.72 AML other m 2021-12-30T07:43:47.65
IV.VARE.HHE. ML:2.1 0.0001305 1.58 AML other m 2021-12-30T07:43:49.99
MN.BNI.HHE. ML:1.7 0.000035159865 0.1024 AML other m 2021-12-30T07:43:50.08
MN.BNI.HNE. ML:1.9 0.00005465541999999999 1.6192 AML other m 2021-12-30T07:43:50.93
MN.BNI.HNN. ML:2.0 0.00006884999999999999 1.04 AML other m 2021-12-30T07:43:51.91
MN.BNI.HHN. ML:2.1 0.00008782291000000001 2.8416 AML other m 2021-12-30T07:43:52.33
CH.MUGIO.HHE. ML:2.2 0.0001244 0.4 AML other m 2021-12-30T07:43:53.34
CH.MUGIO.HHN. ML:2.2 0.00010045 1.4 AML other m 2021-12-30T07:43:53.99
GU.BHB.HNN. ML:2.3 0.0001375 0.38 AML other m 2021-12-30T07:43:55.58
GU.BHB.HHN. ML:2.3 0.0001322 0.36 AML other m 2021-12-30T07:43:55.58
GU.BHB.HHE. ML:2.2 0.00010714999999999999 1.5 AML other m 2021-12-30T07:43:57.24
GU.BHB.HNE. ML:2.2 0.0001053 0.48 AML other m 2021-12-30T07:43:57.75
RD.ORIF.BHE. ML:2.3 0.00008309999999999999 1 AML other m 2021-12-30T07:44:09.86
RD.ORIF.BHN. ML:2.2 0.000072 0.64 AML other m 2021-12-30T07:44:11.60
GU.PZZ.HHE. ML:2.7 0.000203 1.02 AML other m 2021-12-30T07:44:12.05
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