A magnitude ML 1.2 earthquake occured in region: 1 km NE Frassino (CN), on
and geographic coordinates (lat, lon) 44.5780, 7.2910 at 4 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 |
---|---|---|---|---|
Frassino | CN | 1 | 265 | 265 |
Melle | CN | 3 | 292 | 557 |
Brossasco | CN | 6 | 1084 | 1641 |
Valmala | CN | 6 | 52 | 1693 |
Isasca | CN | 7 | 76 | 1769 |
Gambasca | CN | 7 | 371 | 2140 |
Sanfront | CN | 8 | 2395 | 4535 |
Sampeyre | CN | 8 | 1022 | 5557 |
Martiniana Po | CN | 8 | 734 | 6291 |
Venasca | CN | 9 | 1437 | 7728 |
Rifreddo | CN | 9 | 1078 | 8806 |
Brondello | CN | 10 | 290 | 9096 |
San Damiano Macra | CN | 10 | 430 | 9526 |
Cartignano | CN | 11 | 190 | 9716 |
Revello | CN | 12 | 4262 | 13978 |
Pagno | CN | 12 | 585 | 14563 |
Roccabruna | CN | 12 | 1585 | 16148 |
Rossana | CN | 12 | 908 | 17056 |
Paesana | CN | 12 | 2784 | 19840 |
Macra | CN | 12 | 59 | 19899 |
Castellar | CN | 13 | 295 | 20194 |
Villar San Costanzo | CN | 13 | 1547 | 21741 |
Envie | CN | 13 | 2074 | 23815 |
Piasco | CN | 13 | 2774 | 26589 |
Oncino | CN | 14 | 76 | 26665 |
Dronero | CN | 14 | 7035 | 33700 |
Celle di Macra | CN | 14 | 100 | 33800 |
Ostana | CN | 15 | 83 | 33883 |
Stroppo | CN | 15 | 103 | 33986 |
Costigliole Saluzzo | CN | 16 | 3375 | 37361 |
Verzuolo | CN | 16 | 6459 | 43820 |
Manta | CN | 16 | 3787 | 47607 |
Busca | CN | 16 | 10181 | 57788 |
Elva | CN | 16 | 97 | 57885 |
Barge | CN | 17 | 7774 | 65659 |
Montemale di Cuneo | CN | 17 | 241 | 65900 |
Crissolo | CN | 17 | 168 | 66068 |
Casteldelfino | CN | 18 | 157 | 66225 |
Saluzzo | CN | 18 | 16960 | 83185 |
Pradleves | CN | 18 | 250 | 83435 |
Monterosso Grana | CN | 19 | 505 | 83940 |
Castelmagno | CN | 20 | 66 | 84006 |
Valgrana | CN | 20 | 786 | 84792 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-05-16 02:07:57 |
44.5783 | 7.2907 | 4 | 2023-05-16 02:13:09 |
Sala Sismica INGV-Roma | 117393431 |
Field | Value |
---|---|
Time (UTC) | 2023-05-16 02:07:57 ± 0.16 |
Latitude | 44.5783 ± 0.0063 |
Longitude | 7.2907 ± 0.0164 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117393431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 938 |
Semi-minor axis of confidence ellipse (meter) | 848 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 265 |
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) | 116 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.14389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62143 |
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 | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117393431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-16 02:13:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
FR.SAOF.HHZ.00 | 2023-05-16T02:08:19.16 | 0.1 | undecidable | manual | S | 162 | 68.9754 | 50 | -0.53 | 81 |
GU.ENR.HHZ. | 2023-05-16T02:08:11.09 | 0.1 | undecidable | manual | S | 165 | 40.0266 | 96 | -0.22 | 92 |
FR.SAOF.HHZ.00 | 2023-05-16T02:08:10.28 | 0.1 | undecidable | manual | P | 162 | 68.9754 | 50 | 0.04 | 91 |
GU.STV.HHZ. | 2023-05-16T02:08:10.02 | 0.1 | undecidable | manual | S | 176 | 37.0296 | 97 | -0.27 | 92 |
GU.GBOS.HHZ. | 2023-05-16T02:08:09.24 | 1.0 | undecidable | manual | P | 130 | 57.3981 | 50 | 0.78 | 19 |
GU.RSP.HHZ. | 2023-05-16T02:08:09.85 | 0.1 | undecidable | manual | P | 358 | 63.2922 | 50 | 0.48 | 84 |
4P.IT06A.HHZ. | 2023-05-16T02:08:07.63 | 0.6 | undecidable | manual | P | 96 | 46.8198 | 95 | 0.87 | 37 |
GU.BHB.HHZ. | 2023-05-16T02:08:06.68 | 0.1 | undecidable | manual | S | 356 | 28.6491 | 99 | -0.7 | 82 |
GU.ENR.HHZ. | 2023-05-16T02:08:05.59 | 0.1 | positive | manual | P | 165 | 40.0266 | 96 | 0.19 | 93 |
GU.STV.HHZ. | 2023-05-16T02:08:05.17 | 0.6 | undecidable | manual | P | 176 | 37.0296 | 97 | 0.35 | 45 |
GU.PZZ.HHZ. | 2023-05-16T02:08:03.11 | 0.1 | undecidable | manual | S | 240 | 15.9729 | 105 | 0.03 | 100 |
GU.BHB.HHZ. | 2023-05-16T02:08:02.94 | 1.0 | negative | manual | P | 356 | 28.6491 | 99 | -0.2 | 24 |
GU.PZZ.HHZ. | 2023-05-16T02:08:00.99 | 0.3 | positive | manual | P | 240 | 15.9729 | 105 | 0.34 | 70 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | ML:1.2 | 0.000175 | 0.24 | AML | other | m | 2023-05-16T02:08:03.14 |
GU.PZZ.HHN. | ML:1.3 | 0.00020850000000000003 | 0.78 | AML | other | m | 2023-05-16T02:08:03.40 |
GU.GBOS.HHE. | ML:1.0 | 0.0000197 | 1.58 | AML | other | m | 2023-05-16T02:08:11.00 |
GU.ENR.HHE. | ML:1.2 | 0.000061 | 0.92 | AML | other | m | 2023-05-16T02:08:12.48 |
GU.ENR.HHN. | ML:1.2 | 0.00006185 | 0.82 | AML | other | m | 2023-05-16T02:08:12.69 |
GU.GBOS.HHN. | ML:1.0 | 0.000025799999999999997 | 0.5 | AML | other | m | 2023-05-16T02:08:17.34 |