Earthquake with magnitude of ML 1.1 on date 27-11-2022 and time 06:10:55 (Italy) in region 1 km SE Massello (TO)

A magnitude ML 1.1 earthquake occured in region: 1 km SE Massello (TO), on

  • 27-11-2022 05:10:55 (UTC)
  • 27-11-2022 06:10:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 44.9540, 7.0620 at 8 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 1 51 51
Salza di Pinerolo TO 2 75 126
Perrero TO 5 659 785
Prali TO 7 246 1031
Roure TO 8 848 1879
Fenestrelle TO 9 544 2423
Pomaretto TO 10 1009 3432
Perosa Argentina TO 10 3285 6717
Usseaux TO 11 186 6903
Pragelato TO 12 776 7679
Inverso Pinasca TO 12 730 8409
Pramollo TO 13 258 8667
Pinasca TO 13 3051 11718
Sestriere TO 15 929 12647
Villar Perosa TO 15 4092 16739
San Germano Chisone TO 15 1854 18593
Sauze di Cesana TO 16 244 18837
Bobbio Pellice TO 17 563 19400
Angrogna TO 18 889 20289
Villar Pellice TO 18 1076 21365
Porte TO 18 1083 22448
Sauze d'Oulx TO 18 1109 23557
Meana di Susa TO 19 826 24383
Mattie TO 19 687 25070
Exilles TO 19 273 25343
Prarostino TO 19 1273 26616
Salbertrand TO 19 596 27212
Gravere TO 19 692 27904
Torre Pellice TO 20 4551 32455
Chiomonte TO 20 916 33371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Moncalieri (57294 inhabitants)
51 Km W of Torino (890529 inhabitants)
73 Km NW of Cuneo (56081 inhabitants)
90 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 1.1 2022-11-27
05:10:55
44.9538 7.0617 8 2022-11-27
05:21:50
Sala Sismica INGV-Roma 112259401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-11-27 05:10:55 ± 0.17
Latitude 44.9538 ± 0.0090
Longitude 7.0617 ± 0.0102
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 112259401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 860
Semi-minor axis of confidence ellipse (meter) 581
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.18526
Epicentral distance of station farthest from the epicenter (degree) 0.50812
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 112259401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-11-27 05:21:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.PZZ.HHZ. 2022-11-27T05:11:11.72 0.3 undecidable manual S 175 49.8168 50 -0.29 71
GU.LSD.HHZ. 2022-11-27T05:11:06.12 1.0 undecidable manual P 6 56.3991 50 0.05 25
GU.PZZ.HHZ. 2022-11-27T05:11:05.11 0.1 undecidable manual P 175 49.8168 50 0.06 100
GU.RSP.HHZ. 2022-11-27T05:11:04.84 0.1 undecidable manual S 36 26.8509 106 -0.39 97
GU.RRL.HHZ. 2022-11-27T05:11:03.15 0.1 undecidable manual S 260 21.6672 110 -0.38 98
GU.BHB.HHZ. 2022-11-27T05:11:02.89 0.1 undecidable manual S 130 20.5683 111 -0.28 100
GU.RSP.HHZ. 2022-11-27T05:11:01.43 0.1 undecidable manual P 36 26.8509 106 0.29 99
GU.RRL.HHZ. 2022-11-27T05:11:00.55 0.1 positive manual P 260 21.6672 110 0.4 97
GU.BHB.HHZ. 2022-11-27T05:11:00.47 0.1 undecidable manual P 130 20.5683 111 0.52 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.0 0.000025101709999999998 1.0592 AML other m 2022-11-27T05:11:13.07
GU.PZZ.HHN. ML:1.1 0.000032761295 3.4208 AML other m 2022-11-27T05:11:12.26
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