A magnitude ML 1.0 earthquake occured in region: 2 km E Sampeyre (CN), on
and geographic coordinates (lat, lon) 44.5700, 7.2170 at 13 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 | 2 | 1022 | 1022 |
Frassino | CN | 5 | 265 | 1287 |
Macra | CN | 8 | 59 | 1346 |
Melle | CN | 8 | 292 | 1638 |
San Damiano Macra | CN | 10 | 430 | 2068 |
Celle di Macra | CN | 10 | 100 | 2168 |
Stroppo | CN | 10 | 103 | 2271 |
Elva | CN | 11 | 97 | 2368 |
Valmala | CN | 11 | 52 | 2420 |
Brossasco | CN | 12 | 1084 | 3504 |
Cartignano | CN | 12 | 190 | 3694 |
Sanfront | CN | 12 | 2395 | 6089 |
Casteldelfino | CN | 12 | 157 | 6246 |
Oncino | CN | 12 | 76 | 6322 |
Gambasca | CN | 12 | 371 | 6693 |
Isasca | CN | 13 | 76 | 6769 |
Martiniana Po | CN | 14 | 734 | 7503 |
Paesana | CN | 14 | 2784 | 10287 |
Ostana | CN | 14 | 83 | 10370 |
Rifreddo | CN | 14 | 1078 | 11448 |
Venasca | CN | 14 | 1437 | 12885 |
Roccabruna | CN | 14 | 1585 | 14470 |
Crissolo | CN | 15 | 168 | 14638 |
Brondello | CN | 15 | 290 | 14928 |
Marmora | CN | 16 | 68 | 14996 |
Bellino | CN | 16 | 109 | 15105 |
Prazzo | CN | 16 | 170 | 15275 |
Pontechianale | CN | 16 | 179 | 15454 |
Villar San Costanzo | CN | 16 | 1547 | 17001 |
Dronero | CN | 16 | 7035 | 24036 |
Canosio | CN | 17 | 80 | 24116 |
Revello | CN | 17 | 4262 | 28378 |
Rossana | CN | 17 | 908 | 29286 |
Pradleves | CN | 18 | 250 | 29536 |
Envie | CN | 18 | 2074 | 31610 |
Pagno | CN | 18 | 585 | 32195 |
Castelmagno | CN | 18 | 66 | 32261 |
Castellar | CN | 18 | 295 | 32556 |
Montemale di Cuneo | CN | 19 | 241 | 32797 |
Piasco | CN | 19 | 2774 | 35571 |
Barge | CN | 19 | 7774 | 43345 |
Monterosso Grana | CN | 20 | 505 | 43850 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-04-21 08:38:11 |
44.5698 | 7.2167 | 13 | 2023-04-21 08:45:35 |
Sala Sismica INGV-Roma | 116566461 |
Field | Value |
---|---|
Time (UTC) | 2023-04-21 08:38:11 ± 0.32 |
Latitude | 44.5698 ± 0.0117 |
Longitude | 7.2167 ± 0.0303 |
Depth (km) | 13 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116566461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2435 |
Semi-minor axis of confidence ellipse (meter) | 653 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
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) | 0.52 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55308 |
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 | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116566461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-21 08:45:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GBOS.HHZ. | 2023-04-21T08:38:29.25 | 0.1 | undecidable | manual | S | 126 | 61.3941 | 92 | -0.8 | 90 |
GU.RRL.HHZ. | 2023-04-21T08:38:26.92 | 0.3 | undecidable | manual | S | 319 | 51.4152 | 92 | -0.48 | 67 |
GU.ENR.HHZ. | 2023-04-21T08:38:24.12 | 0.3 | undecidable | manual | S | 157 | 41.0256 | 93 | -0.5 | 69 |
GU.STV.HHZ. | 2023-04-21T08:38:22.96 | 0.3 | undecidable | manual | S | 166 | 37.0296 | 93 | -0.6 | 65 |
GU.GBOS.HHZ. | 2023-04-21T08:38:22.71 | 0.3 | undecidable | manual | P | 126 | 61.3941 | 92 | 0.63 | 52 |
GU.RRL.HHZ. | 2023-04-21T08:38:20.95 | 0.1 | undecidable | manual | P | 319 | 51.4152 | 92 | 0.39 | 86 |
GU.BHB.HNZ. | 2023-04-21T08:38:20.78 | 0.1 | undecidable | manual | S | 7 | 29.748 | 95 | -0.83 | 97 |
GU.ENR.HHZ. | 2023-04-21T08:38:19.07 | 0.1 | undecidable | manual | P | 157 | 41.0256 | 93 | 0.12 | 94 |
GU.STV.HHZ. | 2023-04-21T08:38:18.38 | 0.1 | undecidable | manual | P | 166 | 37.0296 | 93 | 0.04 | 97 |
GU.BHB.HNZ. | 2023-04-21T08:38:17.07 | 0.1 | undecidable | manual | P | 7 | 29.748 | 95 | -0.14 | 95 |
GU.PZZ.HHZ. | 2023-04-21T08:38:16.29 | 0.3 | undecidable | manual | S | 229 | 10.5783 | 127 | -0.45 | 72 |
GU.PZZ.HHZ. | 2023-04-21T08:38:14.48 | 0.1 | undecidable | manual | P | 229 | 10.5783 | 127 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHN. | ML:1.0 | 0.00010339999999999999 | 0.42 | AML | other | m | 2023-04-21T08:38:16.53 |
GU.PZZ.HHE. | ML:0.9 | 0.00007994999999999999 | 0.18 | AML | other | m | 2023-04-21T08:38:16.80 |
GU.ENR.HHN. | ML:1.0 | 0.000031 | 0.06 | AML | other | m | 2023-04-21T08:38:25.22 |
GU.ENR.HHE. | ML:1.1 | 0.0000387 | 0.9 | AML | other | m | 2023-04-21T08:38:25.46 |