A magnitude ML 0.9 earthquake occured in region: 4 km SW Prali (TO), on
and geographic coordinates (lat, lon) 44.8660, 7.0180 at 12 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 |
---|---|---|---|---|
Prali | TO | 4 | 246 | 246 |
Salza di Pinerolo | TO | 9 | 75 | 321 |
Bobbio Pellice | TO | 10 | 563 | 884 |
Massello | TO | 11 | 51 | 935 |
Perrero | TO | 11 | 659 | 1594 |
Villar Pellice | TO | 13 | 1076 | 2670 |
Sauze di Cesana | TO | 15 | 244 | 2914 |
Sestriere | TO | 15 | 929 | 3843 |
Pramollo | TO | 16 | 258 | 4101 |
RorĂ | TO | 16 | 257 | 4358 |
Pomaretto | TO | 16 | 1009 | 5367 |
Angrogna | TO | 17 | 889 | 6256 |
Torre Pellice | TO | 17 | 4551 | 10807 |
Perosa Argentina | TO | 17 | 3285 | 14092 |
Roure | TO | 18 | 848 | 14940 |
Pragelato | TO | 18 | 776 | 15716 |
San Germano Chisone | TO | 18 | 1854 | 17570 |
Inverso Pinasca | TO | 18 | 730 | 18300 |
Pinasca | TO | 19 | 3051 | 21351 |
Luserna San Giovanni | TO | 19 | 7395 | 28746 |
Fenestrelle | TO | 19 | 544 | 29290 |
Villar Perosa | TO | 19 | 4092 | 33382 |
Lusernetta | TO | 20 | 506 | 33888 |
Prarostino | TO | 20 | 1273 | 35161 |
Porte | TO | 20 | 1083 | 36244 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2018-02-04 08:09:19 |
44.8657 | 7.018 | 12 | 2018-02-04 08:14:36 |
Sala Sismica INGV-Roma | 53664581 |
Field | Value |
---|---|
Time (UTC) | 2018-02-04 08:09:19 ± 0.14 |
Latitude | 44.8657 ± 0.0072 |
Longitude | 7.0180 ± 0.0114 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 53664581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1029 |
Semi-minor axis of confidence ellipse (meter) | 201 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 232 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1030.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.48 |
Epicentral distance of station closest to the epicenter (degree) | 0.16997 |
Epicentral distance of station farthest from the epicenter (degree) | 0.80759 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 53664581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-04 08:14:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RD.ORIF.BHE. | 2018-02-04T08:09:45.81 | 0.1 | undecidable | manual | S | 274 | 89.6436 | 91 | 0.11 | 91 |
GU.ENR.HHE. | 2018-02-04T08:09:41.95 | 0.1 | undecidable | manual | S | 156 | 77.6667 | 91 | -0.56 | 84 |
GU.STV.HHN. | 2018-02-04T08:09:40.98 | 0.1 | undecidable | manual | S | 160 | 72.9714 | 91 | -0.27 | 91 |
RD.ORIF.BHE. | 2018-02-04T08:09:34.24 | 0.3 | undecidable | manual | P | 274 | 89.6436 | 91 | -0.31 | 66 |
GU.ENR.HHE. | 2018-02-04T08:09:33.01 | 0.1 | undecidable | manual | P | 156 | 77.6667 | 91 | 0.3 | 90 |
GU.STV.HHN. | 2018-02-04T08:09:32.78 | 0.1 | undecidable | manual | P | 160 | 72.9714 | 91 | 0.8 | 78 |
GU.PZZ.HHZ. | 2018-02-04T08:09:32.21 | 0.1 | undecidable | manual | S | 169 | 40.5261 | 92 | -0.39 | 95 |
GU.RSP.HHZ. | 2018-02-04T08:09:31.22 | 0.1 | undecidable | manual | S | 32 | 36.8298 | 92 | -0.4 | 93 |
MN.BNI.HHZ. | 2018-02-04T08:09:30.06 | 0.1 | undecidable | manual | S | 308 | 33.744 | 93 | -0.73 | 85 |
GU.PZZ.HHZ. | 2018-02-04T08:09:27.48 | 0.1 | undecidable | manual | P | 169 | 40.5261 | 92 | 0.49 | 93 |
MN.BNI.HHZ. | 2018-02-04T08:09:26.37 | 0.1 | undecidable | manual | P | 308 | 33.744 | 93 | 0.43 | 95 |
GU.RRL.HHZ. | 2018-02-04T08:09:26.40 | 0.1 | undecidable | manual | S | 289 | 18.87 | 99 | -0.43 | 98 |
GU.RSP.HHZ. | 2018-02-04T08:09:26.92 | 0.1 | undecidable | manual | P | 32 | 36.8298 | 92 | 0.5 | 94 |
GU.BHB.HHZ. | 2018-02-04T08:09:26.59 | 0.1 | undecidable | manual | S | 100 | 19.5693 | 98 | -0.43 | 96 |
GU.RRL.HHZ. | 2018-02-04T08:09:24.08 | 0.1 | negative | manual | P | 289 | 18.87 | 99 | 0.42 | 98 |
GU.BHB.HHZ. | 2018-02-04T08:09:24.11 | 0.1 | undecidable | manual | P | 100 | 19.5693 | 98 | 0.34 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.RRL.HHN. | ML:0.9 | 0.00005285 | 0.44 | AML | other | m | 2018-02-04T08:09:26.59 |
GU.RRL.HHE. | ML:0.9 | 0.0000588 | 0.34 | AML | other | m | 2018-02-04T08:09:26.67 |