A magnitude ML 0.6 (quarry blast) earthquake occured in region: 2 km W Cisano sul Neva (SV), on
and geographic coordinates (lat, lon) 44.0900, 8.1240 at 0 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Event type: quarry blast.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 |
---|---|---|---|---|
Cisano sul Neva | SV | 2 | 2085 | 2085 |
Arnasco | SV | 2 | 645 | 2730 |
Zuccarello | SV | 3 | 309 | 3039 |
Vendone | SV | 4 | 388 | 3427 |
Castelvecchio di Rocca Barbena | SV | 5 | 145 | 3572 |
Ortovero | SV | 5 | 1586 | 5158 |
Castelbianco | SV | 5 | 330 | 5488 |
Villanova d'Albenga | SV | 5 | 2657 | 8145 |
Erli | SV | 6 | 245 | 8390 |
Balestrino | SV | 6 | 595 | 8985 |
Onzo | SV | 6 | 219 | 9204 |
Garlenda | SV | 7 | 1254 | 10458 |
Toirano | SV | 8 | 2644 | 13102 |
Nasino | SV | 8 | 207 | 13309 |
Albenga | SV | 8 | 24213 | 37522 |
Casanova Lerrone | SV | 9 | 749 | 38271 |
Ceriale | SV | 9 | 5561 | 43832 |
Boissano | SV | 9 | 2492 | 46324 |
Ranzo | IM | 9 | 557 | 46881 |
Aquila d'Arroscia | IM | 9 | 166 | 47047 |
Alto | CN | 10 | 128 | 47175 |
Alassio | SV | 10 | 10934 | 58109 |
Borghetto Santo Spirito | SV | 10 | 4948 | 63057 |
Stellanello | SV | 11 | 808 | 63865 |
Bardineto | SV | 12 | 756 | 64621 |
Loano | SV | 12 | 11407 | 76028 |
Testico | SV | 12 | 196 | 76224 |
Borghetto d'Arroscia | IM | 12 | 456 | 76680 |
Laigueglia | SV | 13 | 1810 | 78490 |
Giustenice | SV | 14 | 977 | 79467 |
Vessalico | IM | 14 | 282 | 79749 |
Caprauna | CN | 14 | 104 | 79853 |
Villa Faraldi | IM | 14 | 444 | 80297 |
Garessio | CN | 14 | 3244 | 83541 |
Pietra Ligure | SV | 14 | 8992 | 92533 |
Andora | SV | 15 | 7552 | 100085 |
Cesio | IM | 15 | 283 | 100368 |
Tovo San Giacomo | SV | 15 | 2582 | 102950 |
Magliolo | SV | 15 | 974 | 103924 |
Calizzano | SV | 16 | 1475 | 105399 |
Borgio Verezzi | SV | 17 | 2205 | 107604 |
Chiusanico | IM | 17 | 607 | 108211 |
Armo | IM | 17 | 111 | 108322 |
Diano Arentino | IM | 17 | 722 | 109044 |
Caravonica | IM | 17 | 282 | 109326 |
Pieve di Teco | IM | 17 | 1338 | 110664 |
Chiusavecchia | IM | 18 | 577 | 111241 |
San Bartolomeo al Mare | IM | 18 | 3129 | 114370 |
Diano San Pietro | IM | 18 | 1145 | 115515 |
Cervo | IM | 18 | 1187 | 116702 |
Ormea | CN | 18 | 1617 | 118319 |
Lucinasco | IM | 19 | 272 | 118591 |
Pontedassio | IM | 19 | 2323 | 120914 |
Diano Castello | IM | 19 | 2214 | 123128 |
Calice Ligure | SV | 19 | 1730 | 124858 |
Rialto | SV | 19 | 564 | 125422 |
Borgomaro | IM | 19 | 865 | 126287 |
Priola | CN | 19 | 701 | 126988 |
Finale Ligure | SV | 20 | 11711 | 138699 |
Aurigo | IM | 20 | 347 | 139046 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.6 | 2023-04-03 15:51:47 |
44.0897 | 8.1243 | 1 | 2023-04-03 16:52:55 |
Sala Sismica INGV-Roma | 116030451 |
Field | Value |
---|---|
Time (UTC) | 2023-04-03 15:51:47 ± 0.18 |
Latitude | 44.0897 ± 0.0108 |
Longitude | 8.1243 ± 0.0138 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | quarry blast |
Origin ID | 116030451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1490 |
Semi-minor axis of confidence ellipse (meter) | 730 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 189 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.04766 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
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 | 0.6 |
Uncertainty | 0.0 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 116030451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-03 16:52:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GBOS.HHZ. | 2023-04-03T15:51:53.03 | 0.3 | undecidable | manual | P | 307 | 28.2495 | 91 | -0.21 | 72 |
IV.QLNO.HHZ. | 2023-04-03T15:51:53.55 | 0.3 | undecidable | manual | P | 34 | 31.4463 | 91 | -0.33 | 70 |
GU.IMI.HHZ. | 2023-04-03T15:51:53.05 | 0.1 | undecidable | manual | P | 223 | 27.1506 | 91 | 0.03 | 100 |
GU.MGRO.HHZ. | 2023-04-03T15:51:52.66 | 0.1 | undecidable | manual | P | 258 | 25.752 | 91 | -0.08 | 99 |
GU.CANO.HHZ. | 2023-04-03T15:51:51.00 | 0.1 | undecidable | manual | P | 34 | 15.873 | 92 | 0.23 | 98 |
GU.RORO.HHZ. | 2023-04-03T15:51:48.85 | 0.1 | undecidable | manual | P | 299 | 5.2947 | 95 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.RORO.HHE. | ML:0.0 | 0.00013424069999999998 | 0.1408 | AML | other | m | 2023-04-03T15:51:50.25 |
GU.RORO.HHN. | ML:0.0 | 0.00021598330000000002 | 0.1408 | AML | other | m | 2023-04-03T15:51:50.14 |
GU.CANO.HHN. | ML:0.6 | 0.000043210355000000006 | 0.3584 | AML | other | m | 2023-04-03T15:51:53.54 |
GU.IMI.HHE. | ML:0.5 | 0.00001829151845 | 0.1792 | AML | other | m | 2023-04-03T15:51:57.57 |
GU.IMI.HHN. | ML:0.5 | 0.000022399425 | 0.1408 | AML | other | m | 2023-04-03T15:51:57.79 |