Earthquake with magnitude of ML 0.4 on date 15-08-2022 and time 20:28:28 (Italy) in region 3 km NE Massello (TO)

A magnitude ML 0.4 earthquake occured in region: 3 km NE Massello (TO), on

  • 15-08-2022 18:28:28 (UTC)
  • 15-08-2022 20:28:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9780, 7.0820 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Massello TO 3 51 51
Roure TO 5 848 899
Salza di Pinerolo TO 5 75 974
Perrero TO 5 659 1633
Fenestrelle TO 7 544 2177
Pomaretto TO 8 1009 3186
Perosa Argentina TO 9 3285 6471
Usseaux TO 9 186 6657
Prali TO 10 246 6903
Inverso Pinasca TO 11 730 7633
Pragelato TO 12 776 8409
Pinasca TO 12 3051 11460
Pramollo TO 13 258 11718
Villar Perosa TO 15 4092 15810
San Germano Chisone TO 15 1854 17664
Mattie TO 16 687 18351
Meana di Susa TO 16 826 19177
Sestriere TO 16 929 20106
Gravere TO 17 692 20798
Chiomonte TO 18 916 21714
Porte TO 18 1083 22797
Sauze di Cesana TO 18 244 23041
Susa TO 18 6466 29507
Exilles TO 18 273 29780
Mompantero TO 18 659 30439
Sauze d'Oulx TO 18 1109 31548
San Giorio di Susa TO 19 1024 32572
Angrogna TO 19 889 33461
Bussoleno TO 19 6094 39555
Coazze TO 19 3287 42842
Villar Focchiardo TO 19 2042 44884
Salbertrand TO 19 596 45480
Giaglione TO 19 631 46111
Bobbio Pellice TO 19 563 46674
Prarostino TO 19 1273 47947
Villar Pellice TO 20 1076 49023
San Pietro Val Lemina TO 20 1448 50471

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Moncalieri (57294 inhabitants)
48 Km W of Torino (890529 inhabitants)
75 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
Reviewed
Rev100
ML 0.4 2022-08-15
18:28:28
44.9778 7.0823 10 2022-08-15
18:33:20
Sala Sismica INGV-Roma 108582341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-15 18:28:28 ± 0.18
Latitude 44.9778 ± 0.0081
Longitude 7.0823 ± 0.0165
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108582341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1143
Semi-minor axis of confidence ellipse (meter) 688
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 1140.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.19156
Epicentral distance of station farthest from the epicenter (degree) 0.71136
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 108582341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-15 18:33:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CIRO.HHE. 2022-08-15T18:28:52.08 0.1 undecidable manual S 29 78.9654 50 -0.55 83
GU.PZZ.HHZ. 2022-08-15T18:28:45.07 0.1 undecidable manual S 177 52.3032 50 -0.47 89
GU.LSD.HHZ. 2022-08-15T18:28:45.38 0.1 undecidable manual S 4 53.6019 50 -0.48 89
GU.CIRO.HHE. 2022-08-15T18:28:43.46 0.1 undecidable manual P 29 78.9654 50 0.86 73
GU.LSD.HHZ. 2022-08-15T18:28:39.18 0.1 undecidable manual P 4 53.6019 50 0.48 89
GU.PZZ.HHZ. 2022-08-15T18:28:38.89 0.1 undecidable manual P 177 52.3032 50 0.38 91
GU.RRL.HHZ. 2022-08-15T18:28:37.24 0.3 undecidable manual S 255 23.8539 113 -0.65 66
GU.RSP.HHZ. 2022-08-15T18:28:37.33 0.1 undecidable manual S 37 23.6541 113 -0.53 92
GU.BHB.HHZ. 2022-08-15T18:28:36.65 0.1 undecidable manual S 138 21.2676 116 -0.43 95
MN.BNI.HHZ. 2022-08-15T18:28:35.93 1.0 negative manual P 285 32.745 50 0.44 23
GU.RSP.HHZ. 2022-08-15T18:28:34.59 0.1 undecidable manual P 37 23.6541 113 0.52 92
GU.RRL.HHZ. 2022-08-15T18:28:34.26 0.1 undecidable manual P 255 23.8539 113 0.16 100
GU.BHB.HHZ. 2022-08-15T18:28:34.11 0.1 undecidable manual P 138 21.2676 116 0.49 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.BHB.HHN. ML:0.3 0.00001475 0.46 AML other m 2022-08-15T18:28:36.84
GU.RSP.HHE. ML:0.5 0.00001815 0.68 AML other m 2022-08-15T18:28:37.87
GU.RSP.HHN. ML:0.4 0.0000146 1.24 AML other m 2022-08-15T18:28:38.23
GU.BHB.HHE. ML:0.3 0.0000135 1.58 AML other m 2022-08-15T18:28:38.12
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