A magnitude ML 1.2 earthquake occured in region: 3 km NE Sampeyre (CN), on
and geographic coordinates (lat, lon) 44.6050, 7.2020 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 |
---|---|---|---|---|
Sampeyre | CN | 3 | 1022 | 1022 |
Frassino | CN | 7 | 265 | 1287 |
Oncino | CN | 8 | 76 | 1363 |
Ostana | CN | 10 | 83 | 1446 |
Sanfront | CN | 11 | 2395 | 3841 |
Melle | CN | 11 | 292 | 4133 |
Casteldelfino | CN | 11 | 157 | 4290 |
Paesana | CN | 11 | 2784 | 7074 |
Crissolo | CN | 11 | 168 | 7242 |
Elva | CN | 11 | 97 | 7339 |
Macra | CN | 12 | 59 | 7398 |
Gambasca | CN | 12 | 371 | 7769 |
Stroppo | CN | 13 | 103 | 7872 |
Rifreddo | CN | 13 | 1078 | 8950 |
Brossasco | CN | 13 | 1084 | 10034 |
Martiniana Po | CN | 13 | 734 | 10768 |
Valmala | CN | 13 | 52 | 10820 |
San Damiano Macra | CN | 14 | 430 | 11250 |
Celle di Macra | CN | 14 | 100 | 11350 |
Pontechianale | CN | 14 | 179 | 11529 |
Isasca | CN | 14 | 76 | 11605 |
Bellino | CN | 15 | 109 | 11714 |
Cartignano | CN | 16 | 190 | 11904 |
Revello | CN | 16 | 4262 | 16166 |
Venasca | CN | 16 | 1437 | 17603 |
Envie | CN | 16 | 2074 | 19677 |
Brondello | CN | 16 | 290 | 19967 |
Barge | CN | 17 | 7774 | 27741 |
Prazzo | CN | 18 | 170 | 27911 |
Roccabruna | CN | 18 | 1585 | 29496 |
Pagno | CN | 18 | 585 | 30081 |
Marmora | CN | 18 | 68 | 30149 |
Castellar | CN | 19 | 295 | 30444 |
Canosio | CN | 19 | 80 | 30524 |
Bagnolo Piemonte | CN | 20 | 6024 | 36548 |
Villar San Costanzo | CN | 20 | 1547 | 38095 |
Rossana | CN | 20 | 908 | 39003 |
Dronero | CN | 20 | 7035 | 46038 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-30 15:52:46 |
44.6052 | 7.2023 | 12 | 2021-10-30 16:02:01 |
Sala Sismica INGV-Roma | 97093331 |
Field | Value |
---|---|
Time (UTC) | 2021-10-30 15:52:46 ± 0.12 |
Latitude | 44.6052 ± 0.0063 |
Longitude | 7.2023 ± 0.0177 |
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 | 97093331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1288 |
Semi-minor axis of confidence ellipse (meter) | 593 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1290.0 |
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) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.11601 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95868 |
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 | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 97093331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-30 16:02:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PCP.HHZ. | 2021-10-30T15:53:17.94 | 1.0 | undecidable | manual | S | 93 | 106.4157 | 91 | 0.6 | 20 |
GU.GBOS.HHZ. | 2021-10-30T15:53:05.47 | 0.3 | undecidable | manual | S | 128 | 64.6908 | 91 | -0.74 | 60 |
GU.PCP.HHZ. | 2021-10-30T15:53:04.73 | 0.3 | undecidable | manual | P | 93 | 106.4157 | 91 | 0.43 | 62 |
GU.RSP.HHZ. | 2021-10-30T15:53:04.92 | 0.6 | undecidable | manual | S | 5 | 60.3951 | 91 | -0.16 | 47 |
GU.RRL.HHZ. | 2021-10-30T15:53:01.43 | 0.3 | undecidable | manual | S | 317 | 47.8188 | 92 | -0.27 | 71 |
GU.ENR.HHZ. | 2021-10-30T15:53:00.58 | 0.3 | undecidable | manual | S | 158 | 45.0216 | 92 | -0.4 | 70 |
GU.STV.HHZ. | 2021-10-30T15:52:59.78 | 0.6 | undecidable | manual | S | 166 | 41.1255 | 92 | -0.15 | 49 |
GU.GBOS.HHZ. | 2021-10-30T15:52:58.04 | 0.3 | undecidable | manual | P | 128 | 64.6908 | 91 | 0.17 | 71 |
GU.RSP.HHZ. | 2021-10-30T15:52:57.32 | 0.3 | undecidable | manual | P | 5 | 60.3951 | 91 | 0.09 | 73 |
GU.ENR.HHZ. | 2021-10-30T15:52:55.11 | 0.3 | undecidable | manual | P | 158 | 45.0216 | 92 | 0.25 | 72 |
GU.BHB.HHZ. | 2021-10-30T15:52:55.17 | 0.1 | undecidable | manual | S | 11 | 25.9518 | 94 | -0.72 | 85 |
GU.RRL.HHZ. | 2021-10-30T15:52:55.70 | 0.1 | undecidable | manual | P | 317 | 47.8188 | 92 | 0.43 | 93 |
GU.STV.HHZ. | 2021-10-30T15:52:54.57 | 0.3 | undecidable | manual | P | 166 | 41.1255 | 92 | 0.32 | 72 |
GU.BHB.HHZ. | 2021-10-30T15:52:52.21 | 0.1 | undecidable | manual | P | 11 | 25.9518 | 94 | 0.29 | 99 |
GU.PZZ.HHZ. | 2021-10-30T15:52:52.08 | 0.3 | undecidable | manual | S | 212 | 12.876 | 114 | -0.4 | 74 |
GU.PZZ.HHZ. | 2021-10-30T15:52:50.27 | 0.1 | positive | manual | P | 212 | 12.876 | 114 | 0.32 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHN. | ML:1.4 | 0.00027749999999999997 | 0.28 | AML | other | m | 2021-10-30T15:52:52.51 |
GU.PZZ.HHE. | ML:1.4 | 0.0002695 | 0.24 | AML | other | m | 2021-10-30T15:52:53.59 |
GU.BHB.HHN. | ML:1.2 | 0.0000809 | 0.7 | AML | other | m | 2021-10-30T15:52:55.50 |
GU.BHB.HHE. | ML:1.1 | 0.00006759999999999999 | 0.9 | AML | other | m | 2021-10-30T15:52:55.91 |
GU.BHB.HNN. | ML:1.2 | 0.00007842714000000001 | 0.1792 | AML | other | m | 2021-10-30T15:52:56.51 |
GU.STV.HHE. | ML:1.0 | 0.00003290394 | 0.5248 | AML | other | m | 2021-10-30T15:52:59.83 |
GU.STV.HHN. | ML:1.0 | 0.00002971547 | 0.384 | AML | other | m | 2021-10-30T15:53:00.12 |
GU.ENR.HHE. | ML:1.2 | 0.0000478309 | 0.4352 | AML | other | m | 2021-10-30T15:53:00.83 |