A magnitude ML 0.8 (quarry blast) earthquake occured in region: Zuccarello (SV), on
and geographic coordinates (lat, lon) 44.1120, 8.1210 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 | 0 | 309 | 309 |
Castelvecchio di Rocca Barbena | SV | 2 | 145 | 454 |
Erli | SV | 3 | 245 | 699 |
Cisano sul Neva | SV | 3 | 2085 | 2784 |
Castelbianco | SV | 4 | 330 | 3114 |
Arnasco | SV | 4 | 645 | 3759 |
Balestrino | SV | 5 | 595 | 4354 |
Vendone | SV | 6 | 388 | 4742 |
Ortovero | SV | 7 | 1586 | 6328 |
Onzo | SV | 7 | 219 | 6547 |
Toirano | SV | 7 | 2644 | 9191 |
Villanova d'Albenga | SV | 7 | 2657 | 11848 |
Nasino | SV | 7 | 207 | 12055 |
Boissano | SV | 9 | 2492 | 14547 |
Garlenda | SV | 9 | 1254 | 15801 |
Bardineto | SV | 9 | 756 | 16557 |
Ceriale | SV | 9 | 5561 | 22118 |
Alto | CN | 9 | 128 | 22246 |
Aquila d'Arroscia | IM | 10 | 166 | 22412 |
Borghetto Santo Spirito | SV | 10 | 4948 | 27360 |
Albenga | SV | 10 | 24213 | 51573 |
Ranzo | IM | 10 | 557 | 52130 |
Casanova Lerrone | SV | 11 | 749 | 52879 |
Loano | SV | 11 | 11407 | 64286 |
Garessio | CN | 12 | 3244 | 67530 |
Alassio | SV | 12 | 10934 | 78464 |
Giustenice | SV | 12 | 977 | 79441 |
Borghetto d'Arroscia | IM | 13 | 456 | 79897 |
Stellanello | SV | 13 | 808 | 80705 |
Caprauna | CN | 13 | 104 | 80809 |
Pietra Ligure | SV | 14 | 8992 | 89801 |
Testico | SV | 14 | 196 | 89997 |
Calizzano | SV | 14 | 1475 | 91472 |
Magliolo | SV | 14 | 974 | 92446 |
Tovo San Giacomo | SV | 14 | 2582 | 95028 |
Vessalico | IM | 15 | 282 | 95310 |
Laigueglia | SV | 15 | 1810 | 97120 |
Borgio Verezzi | SV | 16 | 2205 | 99325 |
Villa Faraldi | IM | 16 | 444 | 99769 |
Cesio | IM | 16 | 283 | 100052 |
Armo | IM | 17 | 111 | 100163 |
Priola | CN | 17 | 701 | 100864 |
Andora | SV | 17 | 7552 | 108416 |
Ormea | CN | 17 | 1617 | 110033 |
Rialto | SV | 17 | 564 | 110597 |
Calice Ligure | SV | 17 | 1730 | 112327 |
Pieve di Teco | IM | 18 | 1338 | 113665 |
Chiusanico | IM | 18 | 607 | 114272 |
Caravonica | IM | 18 | 282 | 114554 |
Finale Ligure | SV | 19 | 11711 | 126265 |
Diano Arentino | IM | 19 | 722 | 126987 |
Chiusavecchia | IM | 19 | 577 | 127564 |
Osiglia | SV | 20 | 444 | 128008 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2020-09-30 15:00:42 |
44.1117 | 8.1208 | 1 | 2021-02-26 14:56:12 |
Bollettino Sismico Italiano INGV | 85790511 |
Reviewed Rev100 |
ML 0.8 | 2020-09-30 15:00:42 |
44.1115 | 8.1063 | 5 | 2020-09-30 15:06:37 |
Sala Sismica INGV-Roma | 83391001 |
Field | Value |
---|---|
Time (UTC) | 2020-09-30 15:00:42 ± 0.26 |
Latitude | 44.1117 ± 0.0189 |
Longitude | 8.1208 ± 0.0200 |
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 | 85790511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2430 |
Semi-minor axis of confidence ellipse (meter) | 1040 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 325 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.03957 |
Epicentral distance of station farthest from the epicenter (degree) | 0.82018 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 83391001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-30 15:06:37 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85790511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-12-28 12:01:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHE. | 2020-09-30T15:00:59.07 | 0.3 | undecidable | manual | P | 299 | 91.0422 | 50 | -0.04 | 66 |
GU.PCP.HHZ. | 2020-09-30T15:00:53.09 | 0.3 | undecidable | manual | P | 35 | 58.3971 | 90 | -0.91 | 54 |
GU.ENR.HHZ. | 2020-09-30T15:00:53.17 | 0.3 | undecidable | manual | P | 283 | 57.3981 | 90 | -0.64 | 61 |
IV.QLNO.HHZ. | 2020-09-30T15:00:48.26 | 0.3 | undecidable | manual | P | 37 | 29.5482 | 91 | 0.02 | 75 |
GU.GBOS.HHZ. | 2020-09-30T15:00:47.75 | 0.3 | undecidable | manual | P | 303 | 26.5512 | 91 | 0.11 | 74 |
GU.MGRO.HHZ. | 2020-09-30T15:00:47.51 | 0.1 | undecidable | manual | P | 253 | 26.0517 | 91 | -0.03 | 100 |
IV.IMI.HHZ. | 2020-09-30T15:00:47.98 | 0.1 | positive | manual | P | 219 | 28.749 | 91 | -0.1 | 98 |
GU.CANO.HHZ. | 2020-09-30T15:00:45.66 | 0.1 | undecidable | manual | P | 41 | 14.0748 | 92 | 0.52 | 92 |
GU.RORO.HHZ. | 2020-09-30T15:00:43.68 | 0.1 | undecidable | manual | P | 271 | 4.3956 | 97 | 0.49 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.8 | 0.00008754999999999999 | 0.14 | AML | other | m | 2020-09-30T15:00:48.69 |
GU.CANO.HHE. | ML:0.9 | 0.00009604999999999999 | 0.58 | AML | other | m | 2020-09-30T15:00:48.62 |
GU.GBOS.HHE. | ML:0.4 | 0.00001537435 | 0.1152 | AML | other | m | 2020-09-30T15:00:52.04 |
GU.GBOS.HHN. | ML:0.4 | 0.000013995424999999998 | 0.256 | AML | other | m | 2020-09-30T15:00:52.67 |
IV.IMI.HHN. | ML:1.0 | 0.000049000000000000005 | 0.8 | AML | other | m | 2020-09-30T15:00:52.74 |
IV.IMI.HHE. | ML:0.9 | 0.00003855 | 0.88 | AML | other | m | 2020-09-30T15:00:52.83 |
GU.MGRO.HHN. | ML:1.0 | 0.0000566 | 1.58 | AML | other | m | 2020-09-30T15:00:53.00 |
GU.MGRO.HHE. | ML:1.0 | 0.0000598 | 0.44 | AML | other | m | 2020-09-30T15:00:53.42 |