Earthquake with magnitude of Md 1.2 on date 15-08-2022 and time 20:29:22 (Italy) in region 3 km NE Massello (TO)

A magnitude Md 1.2 earthquake occured in region: 3 km NE Massello (TO), on

  • 15-08-2022 18:29:22 (UTC)
  • 15-08-2022 20:29:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.9780, 7.0760 at 11 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
Salza di Pinerolo TO 4 75 126
Roure TO 5 848 974
Perrero TO 5 659 1633
Fenestrelle TO 7 544 2177
Usseaux TO 9 186 2363
Pomaretto TO 9 1009 3372
Perosa Argentina TO 10 3285 6657
Prali TO 10 246 6903
Pragelato TO 11 776 7679
Inverso Pinasca TO 12 730 8409
Pinasca TO 13 3051 11460
Pramollo TO 13 258 11718
Villar Perosa TO 15 4092 15810
San Germano Chisone TO 16 1854 17664
Sestriere TO 16 929 18593
Meana di Susa TO 16 826 19419
Mattie TO 16 687 20106
Gravere TO 17 692 20798
Chiomonte TO 17 916 21714
Sauze di Cesana TO 17 244 21958
Exilles TO 18 273 22231
Susa TO 18 6466 28697
Sauze d'Oulx TO 18 1109 29806
Porte TO 18 1083 30889
Mompantero TO 18 659 31548
Salbertrand TO 18 596 32144
Giaglione TO 19 631 32775
San Giorio di Susa TO 19 1024 33799
Bussoleno TO 19 6094 39893
Angrogna TO 19 889 40782
Villar Focchiardo TO 19 2042 42824
Coazze TO 19 3287 46111
Bobbio Pellice TO 19 563 46674
Prarostino TO 20 1273 47947
Villar Pellice TO 20 1076 49023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km W of Moncalieri (57294 inhabitants)
49 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
Md 1.2 2022-08-15
18:29:22
44.9778 7.0762 11 2022-08-15
18:40:19
Sala Sismica INGV-Roma 108582451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-15 18:29:22 ± 0.16
Latitude 44.9778 ± 0.0090
Longitude 7.0762 ± 0.0153
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108582451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1260
Semi-minor axis of confidence ellipse (meter) 950
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 1260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.19425
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 108582451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-15 18:40:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2022-08-15T18:29:38.48 0.3 undecidable manual S 177 52.4031 50 -0.52 68
GU.LSD.HHZ. 2022-08-15T18:29:38.72 0.3 undecidable manual S 5 53.6019 50 -0.61 66
GU.LSD.HHZ. 2022-08-15T18:29:32.60 0.1 undecidable manual P 5 53.6019 50 0.37 94
GU.PZZ.HHZ. 2022-08-15T18:29:32.42 0.1 undecidable manual P 177 52.4031 50 0.38 94
GU.RSP.HHZ. 2022-08-15T18:29:31.05 0.1 undecidable manual S 38 23.9538 50 -0.37 99
GU.RRL.HHZ. 2022-08-15T18:29:30.84 0.1 undecidable manual S 254 23.3544 50 -0.4 99
GU.BHB.HNZ. 2022-08-15T18:29:30.31 0.3 undecidable manual S 137 21.5673 50 -0.46 73
GU.RSP.HHZ. 2022-08-15T18:29:28.12 0.1 undecidable manual P 38 23.9538 50 0.45 98
GU.RRL.HHZ. 2022-08-15T18:29:27.92 0.1 undecidable manual P 254 23.3544 50 0.36 100
GU.BHB.HNZ. 2022-08-15T18:29:27.66 0.1 undecidable manual P 137 21.5673 50 0.36 100
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