A magnitude ML 0.3 earthquake occured in region: 1 km W Groscavallo (TO), on
and geographic coordinates (lat, lon) 45.3690, 7.2700 at 7 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 |
---|---|---|---|---|
Groscavallo | TO | 1 | 204 | 204 |
Chialamberto | TO | 6 | 345 | 549 |
Ala di Stura | TO | 7 | 469 | 1018 |
Ceresole Reale | TO | 8 | 156 | 1174 |
Balme | TO | 8 | 115 | 1289 |
Cantoira | TO | 9 | 564 | 1853 |
Noasca | TO | 10 | 137 | 1990 |
Ceres | TO | 11 | 1065 | 3055 |
Mezzenile | TO | 13 | 786 | 3841 |
Pessinetto | TO | 14 | 606 | 4447 |
Monastero di Lanzo | TO | 15 | 350 | 4797 |
Lemie | TO | 16 | 179 | 4976 |
Usseglio | TO | 16 | 209 | 5185 |
Locana | TO | 16 | 1498 | 6683 |
ViĆ¹ | TO | 17 | 1051 | 7734 |
Traves | TO | 17 | 518 | 8252 |
Coassolo Torinese | TO | 17 | 1547 | 9799 |
Lanzo Torinese | TO | 19 | 5086 | 14885 |
Germagnano | TO | 20 | 1201 | 16086 |
Ribordone | TO | 20 | 53 | 16139 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.3 | 2015-08-21 21:38:19 |
45.369 | 7.2698 | 7 | 2015-08-21 21:44:27 |
Sala Sismica INGV-Roma | 21009411 |
Field | Value |
---|---|
Time (UTC) | 2015-08-21 21:38:19 ± 0.24 |
Latitude | 45.3690 ± 0.0099 |
Longitude | 7.2698 ± 0.0192 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 21009411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1518 |
Semi-minor axis of confidence ellipse (meter) | 408 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.13130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42628 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 21009411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-08-21 21:44:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRGE.HHZ. | 2015-08-21T21:38:35.28 | 0.3 | undecidable | manual | S | 340 | 47.3193 | 50 | -0.54 | 66 |
GU.CIRO.HHZ. | 2015-08-21T21:38:31.76 | 0.1 | undecidable | manual | S | 42 | 34.743 | 102 | -0.43 | 93 |
IV.MRGE.HHZ. | 2015-08-21T21:38:29.40 | 0.1 | undecidable | manual | P | 340 | 47.3193 | 50 | 0.32 | 93 |
GU.RSP.HHZ. | 2015-08-21T21:38:28.21 | 0.3 | undecidable | manual | S | 181 | 24.4533 | 106 | -0.53 | 69 |
GU.CIRO.HHZ. | 2015-08-21T21:38:27.50 | 0.1 | undecidable | manual | P | 42 | 34.743 | 102 | 0.52 | 91 |
GU.LSD.HHZ. | 2015-08-21T21:38:25.20 | 0.1 | undecidable | manual | S | 314 | 14.5743 | 116 | -0.31 | 99 |
GU.RSP.HHZ. | 2015-08-21T21:38:25.18 | 0.1 | undecidable | manual | P | 181 | 24.4533 | 106 | 0.19 | 100 |
GU.LSD.HHZ. | 2015-08-21T21:38:23.62 | 0.1 | undecidable | manual | P | 314 | 14.5743 | 116 | 0.48 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.LSD.HHE. | ML:0.6 | 0.0000382 | 0.26 | AML | other | m | 2015-08-21T21:38:25.44 |
GU.LSD.HHN. | ML:0.4 | 0.000022800000000000002 | 0.36 | AML | other | m | 2015-08-21T21:38:25.44 |
GU.RSP.HHN. | ML:0.2 | 0.000010029999999999999 | 1.54 | AML | other | m | 2015-08-21T21:38:30.84 |
GU.RSP.HHE. | ML:0.2 | 0.0000108 | 1.58 | AML | other | m | 2015-08-21T21:39:10.62 |