A magnitude ML 0.7 (quarry blast) earthquake occured in region: 1 km SW Erli (SV), on
and geographic coordinates (lat, lon) 44.1310, 8.0940 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 |
---|---|---|---|---|
Erli | SV | 1 | 245 | 245 |
Castelvecchio di Rocca Barbena | SV | 2 | 145 | 390 |
Castelbianco | SV | 2 | 330 | 720 |
Zuccarello | SV | 3 | 309 | 1029 |
Nasino | SV | 5 | 207 | 1236 |
Arnasco | SV | 6 | 645 | 1881 |
Cisano sul Neva | SV | 6 | 2085 | 3966 |
Vendone | SV | 6 | 388 | 4354 |
Balestrino | SV | 7 | 595 | 4949 |
Onzo | SV | 8 | 219 | 5168 |
Bardineto | SV | 8 | 756 | 5924 |
Alto | CN | 8 | 128 | 6052 |
Ortovero | SV | 8 | 1586 | 7638 |
Aquila d'Arroscia | IM | 9 | 166 | 7804 |
Garessio | CN | 9 | 3244 | 11048 |
Toirano | SV | 9 | 2644 | 13692 |
Ranzo | IM | 10 | 557 | 14249 |
Villanova d'Albenga | SV | 10 | 2657 | 16906 |
Boissano | SV | 10 | 2492 | 19398 |
Garlenda | SV | 11 | 1254 | 20652 |
Caprauna | CN | 11 | 104 | 20756 |
Casanova Lerrone | SV | 12 | 749 | 21505 |
Ceriale | SV | 12 | 5561 | 27066 |
Calizzano | SV | 12 | 1475 | 28541 |
Borghetto d'Arroscia | IM | 12 | 456 | 28997 |
Borghetto Santo Spirito | SV | 12 | 4948 | 33945 |
Giustenice | SV | 13 | 977 | 34922 |
Albenga | SV | 13 | 24213 | 59135 |
Loano | SV | 13 | 11407 | 70542 |
Vessalico | IM | 14 | 282 | 70824 |
Priola | CN | 14 | 701 | 71525 |
Magliolo | SV | 14 | 974 | 72499 |
Stellanello | SV | 15 | 808 | 73307 |
Testico | SV | 15 | 196 | 73503 |
Ormea | CN | 15 | 1617 | 75120 |
Alassio | SV | 15 | 10934 | 86054 |
Armo | IM | 15 | 111 | 86165 |
Tovo San Giacomo | SV | 15 | 2582 | 88747 |
Pietra Ligure | SV | 15 | 8992 | 97739 |
Cesio | IM | 17 | 283 | 98022 |
Pieve di Teco | IM | 17 | 1338 | 99360 |
Borgio Verezzi | SV | 17 | 2205 | 101565 |
Rialto | SV | 18 | 564 | 102129 |
Laigueglia | SV | 18 | 1810 | 103939 |
Villa Faraldi | IM | 18 | 444 | 104383 |
Calice Ligure | SV | 18 | 1730 | 106113 |
Caravonica | IM | 19 | 282 | 106395 |
Pornassio | IM | 19 | 685 | 107080 |
Osiglia | SV | 19 | 444 | 107524 |
Massimino | SV | 19 | 113 | 107637 |
Chiusanico | IM | 19 | 607 | 108244 |
Andora | SV | 19 | 7552 | 115796 |
Bagnasco | CN | 20 | 1035 | 116831 |
Bormida | SV | 20 | 387 | 117218 |
Chiusavecchia | IM | 20 | 577 | 117795 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2023-01-04 10:53:42 |
44.1307 | 8.0937 | 1 | 2024-03-01 17:18:05 |
Bollettino Sismico Italiano INGV | 116832881 |
Field | Value |
---|---|
Time (UTC) | 2023-01-04 10:53:42 ± 0.15 |
Latitude | 44.1307 ± 0.0144 |
Longitude | 8.0937 ± 0.0150 |
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 | 116832881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1820 |
Semi-minor axis of confidence ellipse (meter) | 750 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 326 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 174 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 5 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26440 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 116832881 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-07-29 22:59:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PII.HHZ. | 2023-01-04T10:54:14.01 | 3.0 | undecidable | manual | P | -0.07 | 0 | |||
GU.PZZ.HHZ. | 2023-01-04T10:53:57.98 | 3.0 | undecidable | manual | P | 0.2 | 0 | |||
GU.PCP.HHZ. | 2023-01-04T10:53:53.00 | 3.0 | undecidable | manual | P | -0.1 | 0 | |||
GU.MGRO.HHZ. | 2023-01-04T10:53:47.00 | 0.3 | undecidable | manual | P | 247 | 24.753 | 91 | -0.26 | 70 |
IV.QLNO.HHZ. | 2023-01-04T10:53:47.86 | 0.6 | undecidable | manual | P | 43 | 29.3484 | 91 | -0.33 | 46 |
GU.GBOS.HHZ. | 2023-01-04T10:53:47.16 | 0.3 | undecidable | manual | P | 301 | 23.6541 | 91 | 0.12 | 72 |
GU.CANO.HHZ. | 2023-01-04T10:53:45.28 | 0.1 | undecidable | manual | P | 53 | 14.2746 | 92 | 0.12 | 98 |
GU.RORO.HHZ. | 2023-01-04T10:53:43.02 | 0.1 | undecidable | manual | P | 227 | 2.997 | 100 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.8 | 0.00007825 | 0.42 | AML | other | m | 2023-01-04T10:53:47.52 |
GU.CANO.HHE. | ML:1.0 | 0.0001395 | 1.56 | AML | other | m | 2023-01-04T10:53:47.89 |
GU.MGRO.HHN. | ML:0.7 | 0.00003037622 | 0.32 | AML | other | m | 2023-01-04T10:53:51.66 |
GU.GBOS.HHE. | ML:0.2 | 0.000009942927500000001 | 0.416 | AML | other | m | 2023-01-04T10:53:52.04 |
GU.GBOS.HHN. | ML:0.5 | 0.000018886565 | 3.5584 | AML | other | m | 2023-01-04T10:53:51.35 |
GU.MGRO.HHE. | ML:0.8 | 0.0000422135 | 3.8976 | AML | other | m | 2023-01-04T10:53:54.55 |