Earthquake with magnitude of ML 0.9 on date 28-04-2023 and time 04:41:30 (Italy) in region 3 km S Traves (TO)

A magnitude ML 0.9 earthquake occured in region: 3 km S Traves (TO), on

  • 28-04-2023 02:41:30 (UTC)
  • 28-04-2023 04:41:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.2480, 7.4280 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
Traves TO 3 518 518
Germagnano TO 4 1201 1719
Viù TO 4 1051 2770
Lanzo Torinese TO 5 5086 7856
Pessinetto TO 5 606 8462
Mezzenile TO 6 786 9248
Monastero di Lanzo TO 6 350 9598
Vallo Torinese TO 6 774 10372
Varisella TO 6 810 11182
Coassolo Torinese TO 7 1547 12729
Cafasse TO 7 3451 16180
Balangero TO 8 3156 19336
Ceres TO 8 1065 20401
Fiano TO 8 2695 23096
Mathi TO 9 3921 27017
Villanova Canavese TO 10 1186 28203
La Cassa TO 10 1788 29991
Grosso TO 10 1018 31009
Val della Torre TO 10 3869 34878
Lemie TO 11 179 35057
Corio TO 11 3277 38334
Nole TO 11 6892 45226
Givoletto TO 11 3914 49140
Cantoira TO 11 564 49704
Ala di Stura TO 12 469 50173
Robassomero TO 12 3057 53230
Rubiana TO 13 2400 55630
Rocca Canavese TO 14 1708 57338
Ciriè TO 14 18909 76247
San Carlo Canavese TO 14 4031 80278
San Gillio TO 14 3174 83452
Chialamberto TO 14 345 83797
Almese TO 15 6401 90198
Villar Dora TO 15 2932 93130
Vauda Canavese TO 15 1464 94594
Caprie TO 16 2086 96680
Levone TO 16 442 97122
San Maurizio Canavese TO 16 10237 107359
Caselette TO 16 3060 110419
Usseglio TO 17 209 110628
Barbania TO 17 1607 112235
Forno Canavese TO 17 3446 115681
Druento TO 17 8622 124303
Condove TO 17 4638 128941
Sant'Ambrogio di Torino TO 17 4755 133696
Balme TO 18 115 133811
Groscavallo TO 18 204 134015
Pratiglione TO 18 535 134550
Chiusa di San Michele TO 18 1647 136197
San Francesco al Campo TO 18 5005 141202
Rivara TO 18 2659 143861
Alpignano TO 19 17008 160869
Avigliana TO 19 12516 173385
Pianezza TO 19 15152 188537
Front TO 19 1677 190214
Caselle Torinese TO 19 19136 209350
Locana TO 19 1498 210848
Canischio TO 19 277 211125
Vaie TO 20 1458 212583
Sant'Antonino di Susa TO 20 4306 216889
Rosta TO 20 4903 221792
Prascorsano TO 20 745 222537
Buttigliera Alta TO 20 6419 228956
Borgone Susa TO 20 2229 231185

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Torino (890529 inhabitants)
34 Km NW of Moncalieri (57294 inhabitants)
72 Km NW of Asti (76202 inhabitants)
95 Km N of Cuneo (56081 inhabitants)
96 Km W of Novara (104380 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 0.9 2023-04-28
02:41:30
45.2478 7.4282 12 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117275301
Reviewed
Rev100
ML 0.9 2023-04-28
02:41:30
45.2418 7.4323 13 2023-04-28
02:48:04
Sala Sismica INGV-Roma 116816911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 02:41:30 ± 0.11
Latitude 45.2478 ± 0.0054
Longitude 7.4282 ± 0.0102
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117275301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 761
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.15199
Epicentral distance of station farthest from the epicenter (degree) 0.83187
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 116816911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 02:48:04

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 117275301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 11:46:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DIX.HHZ. 2023-04-28T02:41:57.56 0.3 undecidable manual S 359 92.3409 91 -0.47 62
GU.SATI.HHZ. 2023-04-28T02:41:53.69 0.3 undecidable manual S 26 77.5668 91 -0.4 65
IV.MRGE.HHZ. 2023-04-28T02:41:50.28 0.3 undecidable manual S 334 64.5909 91 -0.33 68
GU.RRL.HHZ. 2023-04-28T02:41:49.54 0.3 undecidable manual S 234 61.7937 91 -0.33 67
MN.BNI.HNZ. 2023-04-28T02:41:49.70 0.3 undecidable manual S 250 62.5929 91 -0.39 66
CH.DIX.HHZ. 2023-04-28T02:41:46.73 0.1 undecidable manual P 359 92.3409 91 0.16 89
GU.BHB.HHZ. 2023-04-28T02:41:45.76 0.3 undecidable manual S 196 47.5191 91 -0.32 68
GU.SATI.HHZ. 2023-04-28T02:41:44.50 0.1 undecidable manual P 26 77.5668 91 0.2 91
GU.REMY.HHE. 2023-04-28T02:41:43.75 0.1 undecidable manual P 342 68.7756 91 0.81 76
GU.TRAV.HHZ. 2023-04-28T02:41:43.46 0.3 undecidable manual S 40 38.3283 92 -0.17 73
GU.CIRO.HHZ. 2023-04-28T02:41:43.84 0.3 undecidable manual S 15 40.7259 92 -0.42 69
GU.RRL.HHZ. 2023-04-28T02:41:42.11 0.3 undecidable manual P 234 61.7937 91 0.25 70
IV.MRGE.HHZ. 2023-04-28T02:41:42.44 0.3 undecidable manual P 334 64.5909 91 0.15 70
MN.BNI.HNZ. 2023-04-28T02:41:42.13 0.6 undecidable manual P 250 62.5929 91 0.14 48
GU.LSD.HHZ. 2023-04-28T02:41:41.94 0.3 undecidable manual S 316 32.8449 92 -0.21 74
GU.BHB.HHZ. 2023-04-28T02:41:39.36 0.1 undecidable manual P 196 47.5191 91 -0.31 91
GU.TRAV.HHZ. 2023-04-28T02:41:38.47 0.3 undecidable manual P 40 38.3283 92 0.21 73
GU.CIRO.HHZ. 2023-04-28T02:41:38.87 0.1 undecidable manual P 15 40.7259 92 0.24 96
GU.LSD.HHZ. 2023-04-28T02:41:37.78 0.1 undecidable manual P 316 32.8449 92 0.37 95
GU.RSP.HNZ. 2023-04-28T02:41:37.89 0.3 undecidable manual S 229 16.872 101 -0.02 77
GU.RSP.HNZ. 2023-04-28T02:41:35.28 0.1 undecidable manual P 229 16.872 101 0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.LSD.HHE. ML:0.8 0.00002435 0.6 AML other m 2023-04-28T02:41:42.13
GU.LSD.HHN. ML:0.8 0.000023350000000000002 0.54 AML other m 2023-04-28T02:41:42.27
GU.TRAV.HHN. ML:1.0 0.0000337 0.4 AML other m 2023-04-28T02:41:43.75
GU.TRAV.HHE. ML:1.0 0.0000343 1.26 AML other m 2023-04-28T02:41:43.84
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