A magnitude ML 0.6 (quarry blast) earthquake occured in region: 1 km SE Zuccarello (SV), on
and geographic coordinates (lat, lon) 44.1010, 8.1250 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Zuccarello | SV | 1 | 309 | 309 |
Cisano sul Neva | SV | 2 | 2085 | 2394 |
Arnasco | SV | 3 | 645 | 3039 |
Castelvecchio di Rocca Barbena | SV | 3 | 145 | 3184 |
Castelbianco | SV | 4 | 330 | 3514 |
Erli | SV | 4 | 245 | 3759 |
Balestrino | SV | 5 | 595 | 4354 |
Vendone | SV | 5 | 388 | 4742 |
Ortovero | SV | 6 | 1586 | 6328 |
Villanova d'Albenga | SV | 6 | 2657 | 8985 |
Onzo | SV | 7 | 219 | 9204 |
Toirano | SV | 7 | 2644 | 11848 |
Garlenda | SV | 8 | 1254 | 13102 |
Nasino | SV | 8 | 207 | 13309 |
Ceriale | SV | 9 | 5561 | 18870 |
Boissano | SV | 9 | 2492 | 21362 |
Albenga | SV | 9 | 24213 | 45575 |
Alto | CN | 10 | 128 | 45703 |
Borghetto Santo Spirito | SV | 10 | 4948 | 50651 |
Aquila d'Arroscia | IM | 10 | 166 | 50817 |
Casanova Lerrone | SV | 10 | 749 | 51566 |
Ranzo | IM | 10 | 557 | 52123 |
Bardineto | SV | 10 | 756 | 52879 |
Alassio | SV | 11 | 10934 | 63813 |
Loano | SV | 11 | 11407 | 75220 |
Stellanello | SV | 12 | 808 | 76028 |
Borghetto d'Arroscia | IM | 12 | 456 | 76484 |
Giustenice | SV | 13 | 977 | 77461 |
Testico | SV | 13 | 196 | 77657 |
Garessio | CN | 13 | 3244 | 80901 |
Caprauna | CN | 14 | 104 | 81005 |
Pietra Ligure | SV | 14 | 8992 | 89997 |
Vessalico | IM | 14 | 282 | 90279 |
Laigueglia | SV | 14 | 1810 | 92089 |
Magliolo | SV | 14 | 974 | 93063 |
Tovo San Giacomo | SV | 14 | 2582 | 95645 |
Villa Faraldi | IM | 15 | 444 | 96089 |
Calizzano | SV | 15 | 1475 | 97564 |
Cesio | IM | 16 | 283 | 97847 |
Andora | SV | 16 | 7552 | 105399 |
Borgio Verezzi | SV | 16 | 2205 | 107604 |
Armo | IM | 17 | 111 | 107715 |
Chiusanico | IM | 18 | 607 | 108322 |
Pieve di Teco | IM | 18 | 1338 | 109660 |
Ormea | CN | 18 | 1617 | 111277 |
Caravonica | IM | 18 | 282 | 111559 |
Rialto | SV | 18 | 564 | 112123 |
Calice Ligure | SV | 18 | 1730 | 113853 |
Diano Arentino | IM | 18 | 722 | 114575 |
Priola | CN | 18 | 701 | 115276 |
Chiusavecchia | IM | 19 | 577 | 115853 |
Finale Ligure | SV | 19 | 11711 | 127564 |
San Bartolomeo al Mare | IM | 19 | 3129 | 130693 |
Diano San Pietro | IM | 19 | 1145 | 131838 |
Cervo | IM | 19 | 1187 | 133025 |
Lucinasco | IM | 20 | 272 | 133297 |
Pontedassio | IM | 20 | 2323 | 135620 |
Borgomaro | IM | 20 | 865 | 136485 |
Diano Castello | IM | 20 | 2214 | 138699 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2021-12-23 15:16:11 |
44.101 | 8.1248 | 1 | 2022-03-30 13:04:37 |
Bollettino Sismico Italiano INGV | 101048351 |
Reviewed Rev100 |
ML 1.5 | 2021-12-23 15:16:11 |
44.0983 | 8.1218 | 4 | 2021-12-23 15:20:31 |
Sala Sismica INGV-Roma | 98854351 |
Field | Value |
---|---|
Time (UTC) | 2021-12-23 15:16:11 ± 0.2 |
Latitude | 44.1010 ± 0.0135 |
Longitude | 8.1248 ± 0.0163 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 101048351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1790 |
Semi-minor axis of confidence ellipse (meter) | 830 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 323 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.82738 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 98854351 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-23 15:20:31 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 101048351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-25 14:28:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SARZ.HHZ. | 2021-12-23T15:16:29.81 | 3.0 | undecidable | manual | P | 0 | 0 | |||
GU.PZZ.HHZ. | 2021-12-23T15:16:27.75 | 0.3 | undecidable | manual | P | 300 | 91.8414 | 50 | -0.48 | 61 |
IV.QLNO.HHZ. | 2021-12-23T15:16:17.15 | 0.1 | undecidable | manual | P | 35 | 30.3474 | 91 | -0.23 | 96 |
GU.MGRO.HHZ. | 2021-12-23T15:16:16.55 | 0.3 | undecidable | manual | P | 256 | 26.0517 | 91 | 0.03 | 75 |
GU.GBOS.HHZ. | 2021-12-23T15:16:16.68 | 0.3 | undecidable | manual | P | 305 | 27.5502 | 91 | -0.13 | 74 |
GU.IMI.HHZ. | 2021-12-23T15:16:16.88 | 0.1 | undecidable | manual | P | 221 | 28.0497 | 91 | -0.04 | 100 |
GU.CANO.HHZ. | 2021-12-23T15:16:14.57 | 0.1 | undecidable | manual | P | 37 | 14.7741 | 92 | 0.3 | 97 |
GU.RORO.HHZ. | 2021-12-23T15:16:12.61 | 0.1 | undecidable | manual | P | 285 | 4.7952 | 96 | 0.34 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.6 | 0.000048958864999999994 | 0.2304 | AML | other | m | 2021-12-23T15:16:17.41 |
GU.GBOS.HHE. | ML:0.2 | 0.000010165999499999997 | 0.2048 | AML | other | m | 2021-12-23T15:16:20.48 |
GU.GBOS.HHN. | ML:0.4 | 0.000012556295 | 0.128 | AML | other | m | 2021-12-23T15:16:20.87 |
GU.IMI.HHE. | ML:0.6 | 0.000026062930000000003 | 0.1536 | AML | other | m | 2021-12-23T15:16:21.63 |
GU.MGRO.HHN. | ML:0.8 | 0.00003833895249999999 | 0.3072 | AML | other | m | 2021-12-23T15:16:21.80 |
GU.MGRO.HHE. | ML:0.9 | 0.000045478735 | 0.3968 | AML | other | m | 2021-12-23T15:16:21.82 |