Earthquake with magnitude of ML 1.3 on date 20-01-2022 and time 20:49:07 (UTC) in region 2 km E Massello (TO)

A magnitude ML 1.3 earthquake occured in region: 2 km E Massello (TO), on

  • 20-01-2022 20:49:07 (UTC)
  • 20-01-2022 21:49:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9590, 7.0830 at 12 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
Massello TO 2 51 51
Salza di Pinerolo TO 3 75 126
Perrero TO 4 659 785
Roure TO 6 848 1633
Pomaretto TO 8 1009 2642
Prali TO 8 246 2888
Perosa Argentina TO 9 3285 6173
Fenestrelle TO 9 544 6717
Inverso Pinasca TO 11 730 7447
Usseaux TO 11 186 7633
Pinasca TO 12 3051 10684
Pramollo TO 12 258 10942
Pragelato TO 13 776 11718
Villar Perosa TO 14 4092 15810
San Germano Chisone TO 14 1854 17664
Sestriere TO 16 929 18593
Porte TO 17 1083 19676
Bobbio Pellice TO 17 563 20239
Angrogna TO 17 889 21128
Sauze di Cesana TO 18 244 21372
Villar Pellice TO 18 1076 22448
Mattie TO 18 687 23135
Prarostino TO 18 1273 24408
Meana di Susa TO 18 826 25234
Torre Pellice TO 19 4551 29785
San Pietro Val Lemina TO 19 1448 31233
Gravere TO 19 692 31925
Sauze d'Oulx TO 19 1109 33034
Chiomonte TO 20 916 33950
Exilles TO 20 273 34223
Coazze TO 20 3287 37510
Cantalupa TO 20 2553 40063
San Secondo di Pinerolo TO 20 3575 43638
Roletto TO 20 2009 45647
Susa TO 20 6466 52113

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Moncalieri (57294 inhabitants)
49 Km W of Torino (890529 inhabitants)
73 Km NW of Cuneo (56081 inhabitants)
89 Km W of Asti (76202 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 1.3 2022-01-20
20:49:07
44.9588 7.0827 12 2022-07-08
12:33:43
Bollettino Sismico Italiano INGV 103129761
Reviewed
Rev100
ML 1.3 2022-01-20
20:49:07
44.9527 7.0885 11 2022-01-20
20:56:54
Sala Sismica INGV-Roma 99995491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-20 20:49:07 ± 0.17
Latitude 44.9588 ± 0.0081
Longitude 7.0827 ± 0.0165
Depth (km) 12 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 103129761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1218
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.49
Epicentral distance of station closest to the epicenter (degree) 0.17717
Epicentral distance of station farthest from the epicenter (degree) 1.06929
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 103129761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-12 17:15:31

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 99995491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-20 20:56:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRGE.HHZ. 2022-01-20T20:49:33.42 0.6 undecidable manual S 359 89.9433 90 -0.94 31
GU.STV.HHZ. 2022-01-20T20:49:31.16 0.6 undecidable manual S 166 81.4518 90 -0.93 33
GU.CIRO.HHZ. 2022-01-20T20:49:30.84 0.6 undecidable manual S 28 80.7636 90 -1.06 31
GU.SATI.HHZ. 2022-01-20T20:49:28.09 0.3 undecidable manual P 31 118.6923 90 0.5 59
GU.GBOS.HHZ. 2022-01-20T20:49:24.81 0.6 undecidable manual P 143 99.5226 90 0.17 44
GU.LSD.HHZ. 2022-01-20T20:49:23.87 0.6 undecidable manual S 4 55.6998 91 -1.34 26
IV.MRGE.HHZ. 2022-01-20T20:49:23.82 0.3 undecidable manual P 359 89.9433 90 0.65 62
GU.STV.HHZ. 2022-01-20T20:49:22.52 0.3 undecidable manual P 166 81.4518 90 0.67 62
GU.ENR.HHZ. 2022-01-20T20:49:22.47 0.3 undecidable manual P 162 85.1481 90 0.05 67
GU.PZZ.HHZ. 2022-01-20T20:49:22.95 0.6 undecidable manual S 177 50.2164 91 -0.8 36
GU.CIRO.HHZ. 2022-01-20T20:49:21.96 0.3 undecidable manual P 28 80.7636 90 0.21 68
IV.MONC.HHZ. 2022-01-20T20:49:21.28 0.3 undecidable manual P 79 67.4769 90 1.59 40
MN.BNI.HHZ. 2022-01-20T20:49:18.81 0.6 undecidable manual S 288 33.3444 91 -0.44 40
GU.PZZ.HHZ. 2022-01-20T20:49:17.22 0.1 undecidable manual P 177 50.2164 91 0.17 97
GU.LSD.HHZ. 2022-01-20T20:49:17.82 0.1 undecidable manual P 4 55.6998 91 -0.06 91
GU.RRL.HHZ. 2022-01-20T20:49:16.47 0.6 undecidable manual S 260 23.3544 92 -0.11 46
GU.BHB.HHZ. 2022-01-20T20:49:14.40 0.6 undecidable manual S 134 19.6692 94 -1.2 33
MN.BNI.HHZ. 2022-01-20T20:49:14.66 0.1 undecidable manual P 288 33.3444 91 0.21 99
GU.RRL.HHZ. 2022-01-20T20:49:13.29 0.1 undecidable manual P 260 23.3544 92 0.39 100
GU.RSP.HHZ. 2022-01-20T20:49:12.87 0.1 negative manual P 34 25.3524 92 -0.35 92
GU.BHB.HHZ. 2022-01-20T20:49:12.13 0.1 undecidable manual P 134 19.6692 94 -0.21 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHE. ML:1.2 0.00010255 0.08 AML other m 2022-01-20T20:49:14.53
GU.BHB.HHN. ML:1.3 0.0001505 1.36 AML other m 2022-01-20T20:49:14.26
GU.BHB.HNN. ML:1.3 0.0001285 1.36 AML other m 2022-01-20T20:49:14.26
GU.BHB.HNE. ML:1.2 0.0001225 0.56 AML other m 2022-01-20T20:49:15.53
GU.RSP.HHE. ML:1.1 0.0000713 1.3 AML other m 2022-01-20T20:49:16.68
GU.RSP.HHN. ML:1.1 0.00007495 0.8 AML other m 2022-01-20T20:49:18.41
GU.LSD.HHN. ML:1.3 0.000043450000000000006 0.3 AML other m 2022-01-20T20:49:24.19
GU.LSD.HHE. ML:1.4 0.000055650000000000004 0.84 AML other m 2022-01-20T20:49:24.43
GU.PZZ.HHN. ML:1.5 0.00008665 0.88 AML other m 2022-01-20T20:49:24.37
GU.PZZ.HHE. ML:1.5 0.00007445 0.78 AML other m 2022-01-20T20:49:25.99
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