A magnitude ML 0.6 (quarry blast) earthquake occured in region: 1 km NE Arnasco (SV), on
and geographic coordinates (lat, lon) 44.0880, 8.1150 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 |
---|---|---|---|---|
Arnasco | SV | 1 | 645 | 645 |
Cisano sul Neva | SV | 3 | 2085 | 2730 |
Zuccarello | SV | 3 | 309 | 3039 |
Vendone | SV | 4 | 388 | 3427 |
Castelbianco | SV | 4 | 330 | 3757 |
Ortovero | SV | 4 | 1586 | 5343 |
Castelvecchio di Rocca Barbena | SV | 5 | 145 | 5488 |
Villanova d'Albenga | SV | 5 | 2657 | 8145 |
Onzo | SV | 5 | 219 | 8364 |
Erli | SV | 6 | 245 | 8609 |
Garlenda | SV | 6 | 1254 | 9863 |
Balestrino | SV | 6 | 595 | 10458 |
Nasino | SV | 8 | 207 | 10665 |
Casanova Lerrone | SV | 8 | 749 | 11414 |
Ranzo | IM | 9 | 557 | 11971 |
Toirano | SV | 9 | 2644 | 14615 |
Aquila d'Arroscia | IM | 9 | 166 | 14781 |
Albenga | SV | 9 | 24213 | 38994 |
Alto | CN | 9 | 128 | 39122 |
Ceriale | SV | 10 | 5561 | 44683 |
Boissano | SV | 10 | 2492 | 47175 |
Alassio | SV | 10 | 10934 | 58109 |
Stellanello | SV | 11 | 808 | 58917 |
Borghetto Santo Spirito | SV | 11 | 4948 | 63865 |
Borghetto d'Arroscia | IM | 11 | 456 | 64321 |
Testico | SV | 11 | 196 | 64517 |
Bardineto | SV | 12 | 756 | 65273 |
Loano | SV | 13 | 11407 | 76680 |
Vessalico | IM | 13 | 282 | 76962 |
Laigueglia | SV | 13 | 1810 | 78772 |
Caprauna | CN | 13 | 104 | 78876 |
Villa Faraldi | IM | 14 | 444 | 79320 |
Garessio | CN | 14 | 3244 | 82564 |
Giustenice | SV | 14 | 977 | 83541 |
Cesio | IM | 14 | 283 | 83824 |
Andora | SV | 15 | 7552 | 91376 |
Pietra Ligure | SV | 15 | 8992 | 100368 |
Tovo San Giacomo | SV | 16 | 2582 | 102950 |
Magliolo | SV | 16 | 974 | 103924 |
Chiusanico | IM | 16 | 607 | 104531 |
Armo | IM | 16 | 111 | 104642 |
Caravonica | IM | 16 | 282 | 104924 |
Calizzano | SV | 16 | 1475 | 106399 |
Pieve di Teco | IM | 17 | 1338 | 107737 |
Diano Arentino | IM | 17 | 722 | 108459 |
Chiusavecchia | IM | 17 | 577 | 109036 |
Borgio Verezzi | SV | 17 | 2205 | 111241 |
Ormea | CN | 18 | 1617 | 112858 |
San Bartolomeo al Mare | IM | 18 | 3129 | 115987 |
Diano San Pietro | IM | 18 | 1145 | 117132 |
Lucinasco | IM | 18 | 272 | 117404 |
Cervo | IM | 18 | 1187 | 118591 |
Pontedassio | IM | 18 | 2323 | 120914 |
Borgomaro | IM | 18 | 865 | 121779 |
Diano Castello | IM | 19 | 2214 | 123993 |
Priola | CN | 19 | 701 | 124694 |
Aurigo | IM | 19 | 347 | 125041 |
Calice Ligure | SV | 19 | 1730 | 126771 |
Pornassio | IM | 20 | 685 | 127456 |
Rialto | SV | 20 | 564 | 128020 |
Diano Marina | IM | 20 | 5977 | 133997 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.6 | 2018-02-16 16:24:02 |
44.0885 | 8.115 | 1 | 2019-04-24 14:49:47 |
Bollettino Sismico Italiano INGV | 65534021 |
Reviewed Rev100 |
ML 0.7 | 2018-02-16 16:24:02 |
44.1022 | 8.0975 | 7 | 2018-02-16 16:33:39 |
Sala Sismica INGV-Roma | 53946761 |
Field | Value |
---|---|
Time (UTC) | 2018-02-16 16:24:02 ± 0.27 |
Latitude | 44.0885 ± 0.0162 |
Longitude | 8.1150 ± 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 | 65534021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2110 |
Semi-minor axis of confidence ellipse (meter) | 1140 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2110.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 186 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.39 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41639 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.6 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 65534021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-02-14 09:47:39 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 53946761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-16 16:33:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
FR.SAOF.HHN.00 | 2018-02-16T16:24:11.12 | 0.3 | undecidable | manual | P | 256 | 46.2204 | 91 | -0.55 | 65 |
IV.QLNO.HHZ. | 2018-02-16T16:24:08.47 | 0.3 | undecidable | manual | P | 35 | 31.9458 | 91 | -0.34 | 71 |
IV.IMI.HHZ. | 2018-02-16T16:24:07.93 | 0.1 | undecidable | manual | P | 222 | 26.5512 | 91 | 0.2 | 98 |
GU.GBOS.HHZ. | 2018-02-16T16:24:07.83 | 0.1 | undecidable | manual | P | 308 | 27.75 | 91 | -0.13 | 99 |
GU.CANO.HHZ. | 2018-02-16T16:24:05.88 | 0.1 | undecidable | manual | P | 36 | 16.3725 | 92 | 0.18 | 100 |
GU.RORO.HHZ. | 2018-02-16T16:24:03.71 | 0.1 | undecidable | manual | P | 304 | 4.6953 | 96 | 0.36 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:0.8 | 0.000066672815 | 0.3072 | AML | other | m | 2018-02-16T16:24:08.24 |
GU.CANO.HHE. | ML:0.7 | 0.000053197715 | 0.3584 | AML | other | m | 2018-02-16T16:24:09.09 |
GU.GBOS.HHE. | ML:0.2 | 0.000008081684 | 1.2 | AML | other | m | 2018-02-16T16:24:11.77 |
GU.GBOS.HHN. | ML:0.4 | 0.0000125001205 | 1.2544 | AML | other | m | 2018-02-16T16:24:11.33 |
IV.IMI.HHE. | ML:0.7 | 0.00002844087 | 0.6048 | AML | other | m | 2018-02-16T16:24:12.64 |
IV.IMI.HHN. | ML:0.8 | 0.00003798348 | 0.1792 | AML | other | m | 2018-02-16T16:24:12.69 |