A magnitude ML 0.5 earthquake occured in region: 4 km N Perrero (TO), on
and geographic coordinates (lat, lon) 44.9700, 7.1150 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Perrero | TO | 4 | 659 | 659 |
Roure | TO | 4 | 848 | 1507 |
Massello | TO | 5 | 51 | 1558 |
Pomaretto | TO | 6 | 1009 | 2567 |
Salza di Pinerolo | TO | 6 | 75 | 2642 |
Perosa Argentina | TO | 6 | 3285 | 5927 |
Inverso Pinasca | TO | 8 | 730 | 6657 |
Fenestrelle | TO | 9 | 544 | 7201 |
Pinasca | TO | 9 | 3051 | 10252 |
Prali | TO | 10 | 246 | 10498 |
Pramollo | TO | 11 | 258 | 10756 |
Usseaux | TO | 11 | 186 | 10942 |
Villar Perosa | TO | 12 | 4092 | 15034 |
San Germano Chisone | TO | 13 | 1854 | 16888 |
Pragelato | TO | 15 | 776 | 17664 |
Porte | TO | 15 | 1083 | 18747 |
Angrogna | TO | 17 | 889 | 19636 |
Mattie | TO | 17 | 687 | 20323 |
Prarostino | TO | 17 | 1273 | 21596 |
Coazze | TO | 17 | 3287 | 24883 |
San Pietro Val Lemina | TO | 17 | 1448 | 26331 |
Meana di Susa | TO | 17 | 826 | 27157 |
Cantalupa | TO | 18 | 2553 | 29710 |
Roletto | TO | 18 | 2009 | 31719 |
Villar Focchiardo | TO | 18 | 2042 | 33761 |
Bobbio Pellice | TO | 18 | 563 | 34324 |
Villar Pellice | TO | 18 | 1076 | 35400 |
San Giorio di Susa | TO | 18 | 1024 | 36424 |
San Secondo di Pinerolo | TO | 19 | 3575 | 39999 |
Torre Pellice | TO | 19 | 4551 | 44550 |
Gravere | TO | 19 | 692 | 45242 |
Sestriere | TO | 19 | 929 | 46171 |
Bussoleno | TO | 19 | 6094 | 52265 |
Frossasco | TO | 19 | 2864 | 55129 |
Susa | TO | 19 | 6466 | 61595 |
Pinerolo | TO | 19 | 35808 | 97403 |
Mompantero | TO | 20 | 659 | 98062 |
Chiomonte | TO | 20 | 916 | 98978 |
Borgone Susa | TO | 20 | 2229 | 101207 |
Sant'Antonino di Susa | TO | 20 | 4306 | 105513 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2017-10-31 20:22:31 |
44.9702 | 7.1152 | 10 | 2017-10-31 20:34:37 |
Sala Sismica INGV-Roma | 51491821 |
Field | Value |
---|---|
Time (UTC) | 2017-10-31 20:22:31 ± 0.16 |
Latitude | 44.9702 ± 0.0081 |
Longitude | 7.1152 ± 0.0114 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 51491821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 938 |
Semi-minor axis of confidence ellipse (meter) | 143 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 336 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 940.0 |
Confidence level of the uncertainty (%) | 68 |
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 | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.46 |
Epicentral distance of station closest to the epicenter (degree) | 0.17087 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48923 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 51491821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-10-31 20:34:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.LSD.HHE. | 2017-10-31T20:22:48.24 | 0.3 | undecidable | manual | S | 2 | 54.3012 | 50 | -0.59 | 40 |
GU.PZZ.HHZ. | 2017-10-31T20:22:46.97 | 0.3 | undecidable | manual | S | 180 | 51.4152 | 50 | -1.09 | 23 |
MN.BNI.HHZ. | 2017-10-31T20:22:43.17 | 0.3 | undecidable | manual | S | 285 | 35.4423 | 50 | -0.63 | 52 |
GU.RRL.HHZ. | 2017-10-31T20:22:41.13 | 0.3 | undecidable | manual | S | 258 | 26.0517 | 110 | -0.09 | 77 |
GU.LSD.HHE. | 2017-10-31T20:22:41.94 | 0.1 | undecidable | manual | P | 2 | 54.3012 | 50 | 0.4 | 94 |
GU.PZZ.HHZ. | 2017-10-31T20:22:41.26 | 0.1 | undecidable | manual | P | 180 | 51.4152 | 50 | 0.17 | 86 |
MN.BNI.HHZ. | 2017-10-31T20:22:39.08 | 0.1 | undecidable | manual | P | 285 | 35.4423 | 50 | 0.44 | 100 |
GU.RSP.HHZ. | 2017-10-31T20:22:39.74 | 0.3 | undecidable | manual | S | 31 | 22.9548 | 113 | -0.5 | 76 |
GU.BHB.HHZ. | 2017-10-31T20:22:38.27 | 0.3 | undecidable | manual | S | 142 | 18.9699 | 117 | -0.7 | 71 |
GU.RRL.HHZ. | 2017-10-31T20:22:37.60 | 0.1 | undecidable | manual | P | 258 | 26.0517 | 110 | 0.45 | 95 |
GU.RSP.HHZ. | 2017-10-31T20:22:36.85 | 0.1 | undecidable | manual | P | 31 | 22.9548 | 113 | 0.27 | 95 |
GU.BHB.HHZ. | 2017-10-31T20:22:36.10 | 0.1 | undecidable | manual | P | 142 | 18.9699 | 117 | 0.25 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.RSP.HHE. | ML:0.0 | 0.000030304280000000003 | 0.18 | AML | other | m | 2017-10-31T20:22:39.89 |
GU.RSP.HHN. | ML:0.0 | 0.000025345599999999997 | 0.1 | AML | other | m | 2017-10-31T20:22:39.86 |
GU.BHB.HHN. | ML:0.3 | 0.0000129024315 | 0.08 | AML | other | m | 2017-10-31T20:22:39.28 |
GU.BHB.HHE. | ML:0.4 | 0.00002076196 | 1.32 | AML | other | m | 2017-10-31T20:22:38.86 |
GU.RSP.HNE. | ML:1.0 | 0.0000577709 | 1.22 | AML | other | m | 2017-10-31T20:22:39.43 |
GU.RSP.HNN. | ML:0.9 | 0.000047977435 | 1.08 | AML | other | m | 2017-10-31T20:22:40.18 |
GU.RRL.HHE. | ML:0.4 | 0.000014214915 | 3.64 | AML | other | m | 2017-10-31T20:22:40.89 |
GU.RRL.HHN. | ML:0.0 | 0.0000073663315 | 1.62 | AML | other | m | 2017-10-31T20:22:41.74 |
MN.BNI.HHN. | ML:0.1 | 0.0000064870555 | 4.4 | AML | other | m | 2017-10-31T20:22:45.54 |
MN.BNI.HHE. | ML:0.1 | 0.0000064659234999999995 | 2.3 | AML | other | m | 2017-10-31T20:22:43.32 |
GU.PZZ.HHE. | ML:0.8 | 0.00001292481 | 3.4 | AML | other | m | 2017-10-31T20:22:49.12 |
GU.PZZ.HHN. | ML:0.6 | 0.000011962318 | 1.04 | AML | other | m | 2017-10-31T20:22:49.06 |