A magnitude ML 0.6 (quarry blast) earthquake occured in region: 3 km S Molini di Triora (IM), on
and geographic coordinates (lat, lon) 43.9650, 7.7770 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 |
---|---|---|---|---|
Molini di Triora | IM | 3 | 617 | 617 |
Triora | IM | 4 | 355 | 972 |
Montalto Ligure | IM | 7 | 377 | 1349 |
Carpasio | IM | 7 | 168 | 1517 |
Badalucco | IM | 8 | 1136 | 2653 |
Bajardo | IM | 8 | 312 | 2965 |
Castel Vittorio | IM | 9 | 287 | 3252 |
Ceriana | IM | 9 | 1250 | 4502 |
Pigna | IM | 10 | 859 | 5361 |
Rezzo | IM | 10 | 366 | 5727 |
Montegrosso Pian Latte | IM | 12 | 118 | 5845 |
Aurigo | IM | 12 | 347 | 6192 |
Mendatica | IM | 13 | 185 | 6377 |
Apricale | IM | 13 | 629 | 7006 |
Pietrabruna | IM | 13 | 501 | 7507 |
Cosio d'Arroscia | IM | 13 | 221 | 7728 |
Castellaro | IM | 13 | 1256 | 8984 |
Briga Alta | CN | 13 | 39 | 9023 |
PrelĂ | IM | 14 | 503 | 9526 |
Borgomaro | IM | 14 | 865 | 10391 |
Perinaldo | IM | 14 | 870 | 11261 |
Pornassio | IM | 14 | 685 | 11946 |
Isolabona | IM | 14 | 679 | 12625 |
Pieve di Teco | IM | 15 | 1338 | 13963 |
Taggia | IM | 15 | 14116 | 28079 |
Vasia | IM | 15 | 389 | 28468 |
Caravonica | IM | 15 | 282 | 28750 |
Lucinasco | IM | 15 | 272 | 29022 |
Pompeiana | IM | 15 | 823 | 29845 |
Dolcedo | IM | 16 | 1415 | 31260 |
Terzorio | IM | 16 | 216 | 31476 |
Sanremo | IM | 16 | 54807 | 86283 |
Rocchetta Nervina | IM | 16 | 298 | 86581 |
Riva Ligure | IM | 17 | 2910 | 89491 |
Chiusavecchia | IM | 17 | 577 | 90068 |
Cesio | IM | 17 | 283 | 90351 |
Seborga | IM | 17 | 315 | 90666 |
Civezza | IM | 17 | 609 | 91275 |
Santo Stefano al Mare | IM | 17 | 2197 | 93472 |
Chiusanico | IM | 17 | 607 | 94079 |
Vessalico | IM | 18 | 282 | 94361 |
Armo | IM | 18 | 111 | 94472 |
Cipressa | IM | 18 | 1290 | 95762 |
Dolceacqua | IM | 18 | 2074 | 97836 |
Costarainera | IM | 18 | 828 | 98664 |
Soldano | IM | 18 | 977 | 99641 |
Ospedaletti | IM | 19 | 3367 | 103008 |
Vallebona | IM | 19 | 1310 | 104318 |
San Biagio della Cima | IM | 19 | 1329 | 105647 |
Pontedassio | IM | 19 | 2323 | 107970 |
Borghetto d'Arroscia | IM | 20 | 456 | 108426 |
San Lorenzo al Mare | IM | 20 | 1297 | 109723 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2023-04-18 09:41:49 |
43.9653 | 7.7768 | 1 | 2024-03-01 17:18:16 |
Bollettino Sismico Italiano INGV | 120745931 |
Field | Value |
---|---|
Time (UTC) | 2023-04-18 09:41:49 ± 0.18 |
Latitude | 43.9653 ± 0.0117 |
Longitude | 7.7768 ± 0.0137 |
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 | 120745931 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1270 |
Semi-minor axis of confidence ellipse (meter) | 1090 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 7 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.08004 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42718 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 120745931 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-07 10:31:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.STV.HHZ. | 2023-04-18T09:41:58.66 | 0.3 | undecidable | manual | P | 311 | 47.4192 | 91 | -0.59 | 62 |
GU.ENR.HHZ. | 2023-04-18T09:41:57.63 | 0.6 | undecidable | manual | P | 316 | 40.9257 | 91 | -0.31 | 45 |
GU.BURY.HNZ. | 2023-04-18T09:41:55.26 | 0.6 | undecidable | manual | P | 221 | 26.8509 | 91 | 0.14 | 48 |
GU.GBOS.HHZ. | 2023-04-18T09:41:55.81 | 0.3 | undecidable | manual | P | 9 | 31.0467 | 91 | -0.16 | 72 |
GU.RORO.HHZ. | 2023-04-18T09:41:55.23 | 0.3 | undecidable | manual | P | 55 | 28.2495 | 91 | -0.19 | 71 |
FR.SAOF.HHZ.00 | 2023-04-18T09:41:53.65 | 0.1 | undecidable | manual | P | 277 | 17.9709 | 92 | 0.29 | 95 |
GU.MGRO.HHZ. | 2023-04-18T09:41:52.12 | 0.1 | positive | manual | P | 16 | 8.88 | 93 | 0.58 | 89 |
GU.IMI.HHZ. | 2023-04-18T09:41:51.88 | 0.1 | undecidable | manual | P | 123 | 11.0778 | 93 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.IMI.HHN. | ML:0.7 | 0.0000828 | 0.9 | AML | other | m | 2023-04-18T09:41:53.24 |
GU.IMI.HHE. | ML:0.6 | 0.0000619 | 0.12 | AML | other | m | 2023-04-18T09:41:54.06 |
GU.RORO.HHE. | ML:0.4 | 0.000015935 | 1.52 | AML | other | m | 2023-04-18T09:41:59.97 |
GU.RORO.HHN. | ML:0.7 | 0.00002405 | 0.44 | AML | other | m | 2023-04-18T09:41:59.77 |
FR.SAOF.HHE.00 | ML:0.7 | 0.000042550000000000004 | 0.54 | AML | other | m | 2023-04-18T09:42:00.69 |
FR.SAOF.HHN.00 | ML:0.5 | 0.0000308 | 0.44 | AML | other | m | 2023-04-18T09:42:00.58 |