A magnitude ML 0.7 (quarry blast) earthquake occured in region: 1 km W Cisano sul Neva (SV), on
and geographic coordinates (lat, lon) 44.0910, 8.1390 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 |
---|---|---|---|---|
Cisano sul Neva | SV | 1 | 2085 | 2085 |
Arnasco | SV | 3 | 645 | 2730 |
Zuccarello | SV | 3 | 309 | 3039 |
Villanova d'Albenga | SV | 5 | 2657 | 5696 |
Balestrino | SV | 5 | 595 | 6291 |
Castelvecchio di Rocca Barbena | SV | 5 | 145 | 6436 |
Vendone | SV | 5 | 388 | 6824 |
Ortovero | SV | 6 | 1586 | 8410 |
Castelbianco | SV | 6 | 330 | 8740 |
Erli | SV | 6 | 245 | 8985 |
Toirano | SV | 7 | 2644 | 11629 |
Garlenda | SV | 7 | 1254 | 12883 |
Onzo | SV | 7 | 219 | 13102 |
Ceriale | SV | 8 | 5561 | 18663 |
Albenga | SV | 8 | 24213 | 42876 |
Boissano | SV | 8 | 2492 | 45368 |
Borghetto Santo Spirito | SV | 9 | 4948 | 50316 |
Nasino | SV | 9 | 207 | 50523 |
Alassio | SV | 10 | 10934 | 61457 |
Casanova Lerrone | SV | 10 | 749 | 62206 |
Ranzo | IM | 10 | 557 | 62763 |
Aquila d'Arroscia | IM | 11 | 166 | 62929 |
Loano | SV | 11 | 11407 | 74336 |
Alto | CN | 11 | 128 | 74464 |
Bardineto | SV | 11 | 756 | 75220 |
Stellanello | SV | 12 | 808 | 76028 |
Giustenice | SV | 13 | 977 | 77005 |
Testico | SV | 13 | 196 | 77201 |
Laigueglia | SV | 13 | 1810 | 79011 |
Borghetto d'Arroscia | IM | 13 | 456 | 79467 |
Pietra Ligure | SV | 13 | 8992 | 88459 |
Villa Faraldi | IM | 14 | 444 | 88903 |
Tovo San Giacomo | SV | 14 | 2582 | 91485 |
Magliolo | SV | 14 | 974 | 92459 |
Andora | SV | 15 | 7552 | 100011 |
Garessio | CN | 15 | 3244 | 103255 |
Vessalico | IM | 15 | 282 | 103537 |
Caprauna | CN | 15 | 104 | 103641 |
Borgio Verezzi | SV | 15 | 2205 | 105846 |
Cesio | IM | 16 | 283 | 106129 |
Calizzano | SV | 16 | 1475 | 107604 |
Chiusanico | IM | 18 | 607 | 108211 |
Diano Arentino | IM | 18 | 722 | 108933 |
Armo | IM | 18 | 111 | 109044 |
Calice Ligure | SV | 18 | 1730 | 110774 |
Caravonica | IM | 18 | 282 | 111056 |
Rialto | SV | 18 | 564 | 111620 |
San Bartolomeo al Mare | IM | 18 | 3129 | 114749 |
Chiusavecchia | IM | 18 | 577 | 115326 |
Pieve di Teco | IM | 18 | 1338 | 116664 |
Cervo | IM | 18 | 1187 | 117851 |
Diano San Pietro | IM | 19 | 1145 | 118996 |
Finale Ligure | SV | 19 | 11711 | 130707 |
Ormea | CN | 19 | 1617 | 132324 |
Diano Castello | IM | 19 | 2214 | 134538 |
Pontedassio | IM | 19 | 2323 | 136861 |
Lucinasco | IM | 20 | 272 | 137133 |
Priola | CN | 20 | 701 | 137834 |
Borgomaro | IM | 20 | 865 | 138699 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-06-11 09:48:15 |
44.0907 | 8.1392 | 1 | 2021-12-29 11:12:38 |
Bollettino Sismico Italiano INGV | 96730441 |
Reviewed Rev100 |
ML 0.7 | 2021-06-11 09:48:15 |
44.1067 | 8.11 | 6 | 2021-06-11 09:55:02 |
Sala Sismica INGV-Roma | 91084081 |
Field | Value |
---|---|
Time (UTC) | 2021-06-11 09:48:15 ± 0.17 |
Latitude | 44.0907 ± 0.0099 |
Longitude | 8.1392 ± 0.0125 |
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 | 96730441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1320 |
Semi-minor axis of confidence ellipse (meter) | 680 |
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) | 1320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.05666 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27609 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 96730441 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-18 15:30:28 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 91084081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-06-11 09:55:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2021-06-11T09:48:21.26 | 0.3 | undecidable | manual | P | 225 | 28.0497 | 91 | -0.03 | 75 |
GU.GBOS.HHZ. | 2021-06-11T09:48:21.26 | 0.3 | undecidable | manual | P | 305 | 29.1486 | 91 | -0.25 | 71 |
IV.QLNO.HHZ. | 2021-06-11T09:48:21.77 | 0.3 | undecidable | manual | P | 32 | 30.6471 | 91 | -0.06 | 74 |
GU.CANO.HHZ. | 2021-06-11T09:48:18.79 | 0.3 | undecidable | manual | P | 31 | 15.1737 | 92 | 0.08 | 76 |
GU.RORO.HHZ. | 2021-06-11T09:48:17.12 | 0.1 | undecidable | manual | P | 293 | 6.2937 | 95 | 0.18 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.8 | 0.00008130000000000001 | 0.34 | AML | other | m | 2021-06-11T09:48:21.79 |
GU.CANO.HHE. | ML:1.0 | 0.000104 | 1.54 | AML | other | m | 2021-06-11T09:48:21.98 |
GU.IMI.HHN. | ML:0.8 | 0.0000352 | 1.16 | AML | other | m | 2021-06-11T09:48:25.07 |
GU.IMI.HHE. | ML:0.6 | 0.000024750000000000002 | 0.9 | AML | other | m | 2021-06-11T09:48:25.31 |
GU.GBOS.HHE. | ML:0.4 | 0.000014999999999999999 | 1.58 | AML | other | m | 2021-06-11T09:48:25.89 |
GU.GBOS.HHN. | ML:0.4 | 0.0000143 | 1.12 | AML | other | m | 2021-06-11T09:48:27.92 |