A magnitude ML 0.9 (quarry blast) earthquake occured in region: 1 km W Roccavignale (SV), on
and geographic coordinates (lat, lon) 44.3660, 8.1810 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 |
---|---|---|---|---|
Roccavignale | SV | 1 | 752 | 752 |
Millesimo | SV | 2 | 3383 | 4135 |
Montezemolo | CN | 3 | 259 | 4394 |
Cengio | SV | 3 | 3563 | 7957 |
Castelnuovo di Ceva | CN | 4 | 110 | 8067 |
Cosseria | SV | 4 | 1105 | 9172 |
Plodio | SV | 5 | 650 | 9822 |
Saliceto | CN | 6 | 1323 | 11145 |
Murialdo | SV | 6 | 841 | 11986 |
Camerana | CN | 7 | 631 | 12617 |
Priero | CN | 7 | 529 | 13146 |
Perlo | CN | 8 | 116 | 13262 |
Sale delle Langhe | CN | 8 | 486 | 13748 |
Cairo Montenotte | SV | 9 | 13269 | 27017 |
Pallare | SV | 9 | 923 | 27940 |
Carcare | SV | 9 | 5587 | 33527 |
Sale San Giovanni | CN | 9 | 183 | 33710 |
Osiglia | SV | 10 | 444 | 34154 |
Nucetto | CN | 10 | 430 | 34584 |
Bormida | SV | 11 | 387 | 34971 |
Gottasecca | CN | 11 | 148 | 35119 |
Massimino | SV | 11 | 113 | 35232 |
Paroldo | CN | 11 | 211 | 35443 |
Ceva | CN | 12 | 5782 | 41225 |
Monesiglio | CN | 12 | 645 | 41870 |
Mallare | SV | 12 | 1146 | 43016 |
Bagnasco | CN | 13 | 1035 | 44051 |
Altare | SV | 14 | 2108 | 46159 |
Torresina | CN | 14 | 52 | 46211 |
Mombarcaro | CN | 14 | 268 | 46479 |
Roascio | CN | 14 | 97 | 46576 |
Dego | SV | 14 | 1985 | 48561 |
Prunetto | CN | 14 | 451 | 49012 |
Castelletto Uzzone | CN | 14 | 331 | 49343 |
Battifollo | CN | 14 | 219 | 49562 |
Calizzano | SV | 15 | 1475 | 51037 |
Scagnello | CN | 16 | 194 | 51231 |
Igliano | CN | 16 | 74 | 51305 |
Gorzegno | CN | 17 | 304 | 51609 |
Mombasiglio | CN | 17 | 609 | 52218 |
Piana Crixia | SV | 17 | 788 | 53006 |
San Benedetto Belbo | CN | 17 | 179 | 53185 |
Castellino Tanaro | CN | 17 | 312 | 53497 |
Lisio | CN | 17 | 201 | 53698 |
Lesegno | CN | 17 | 794 | 54492 |
Murazzano | CN | 18 | 834 | 55326 |
Rialto | SV | 18 | 564 | 55890 |
Priola | CN | 18 | 701 | 56591 |
Niella Belbo | CN | 18 | 372 | 56963 |
Marsaglia | CN | 18 | 245 | 57208 |
Viola | CN | 19 | 391 | 57599 |
Levice | CN | 19 | 231 | 57830 |
Monasterolo Casotto | CN | 19 | 89 | 57919 |
Pezzolo Valle Uzzone | CN | 19 | 344 | 58263 |
Merana | AL | 19 | 189 | 58452 |
Giusvalla | SV | 19 | 441 | 58893 |
Bardineto | SV | 20 | 756 | 59649 |
Orco Feglino | SV | 20 | 890 | 60539 |
Magliolo | SV | 20 | 974 | 61513 |
Calice Ligure | SV | 20 | 1730 | 63243 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2019-02-20 10:18:35 |
44.3657 | 8.1807 | 1 | 2019-08-22 08:25:01 |
Bollettino Sismico Italiano INGV | 69355491 |
Reviewed Rev100 |
ML 1.0 | 2019-02-20 10:18:35 |
44.3287 | 8.2072 | 10 | 2019-02-20 10:26:27 |
Sala Sismica INGV-Roma | 65728771 |
Field | Value |
---|---|
Time (UTC) | 2019-02-20 10:18:35 ± 0.2 |
Latitude | 44.3657 ± 0.0117 |
Longitude | 8.1807 ± 0.0138 |
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 | 69355491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1540 |
Semi-minor axis of confidence ellipse (meter) | 840 |
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) | 1540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
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) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.12501 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31386 |
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 | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 69355491 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-06-21 12:24:15 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 65728771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-02-20 10:26:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PCP.HHZ. | 2019-02-20T10:18:42.37 | 0.1 | undecidable | manual | P | 56 | 34.8429 | 91 | -0.15 | 95 |
GU.GBOS.HHZ. | 2019-02-20T10:18:41.85 | 0.3 | undecidable | manual | P | 243 | 30.3474 | 91 | 0.23 | 70 |
GU.RORO.HHZ. | 2019-02-20T10:18:41.23 | 0.1 | undecidable | manual | P | 198 | 29.5482 | 91 | -0.23 | 94 |
GU.CANO.HHZ. | 2019-02-20T10:18:39.16 | 0.1 | positive | manual | P | 166 | 18.1707 | 92 | -0.01 | 100 |
IV.QLNO.HHZ. | 2019-02-20T10:18:38.54 | 0.1 | undecidable | manual | P | 109 | 13.875 | 92 | 0.21 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:1.2 | 0.00016458319999999998 | 0.2368 | AML | other | m | 2019-02-20T10:18:42.03 |
IV.QLNO.HHN. | ML:1.0 | 0.00011496895 | 0.5184 | AML | other | m | 2019-02-20T10:18:42.28 |
IV.QLNO.HHE. | ML:1.0 | 0.00011842317999999999 | 0.4608 | AML | other | m | 2019-02-20T10:18:42.46 |
GU.CANO.HHE. | ML:1.1 | 0.00011820354999999999 | 1.2608 | AML | other | m | 2019-02-20T10:18:42.82 |
GU.RORO.HHE. | ML:0.8 | 0.000030600000000000005 | 0.84 | AML | other | m | 2019-02-20T10:18:45.08 |
GU.GBOS.HHN. | ML:0.8 | 0.000029677254999999998 | 0.8 | AML | other | m | 2019-02-20T10:18:45.68 |
GU.RORO.HHN. | ML:0.9 | 0.000042999999999999995 | 0.16 | AML | other | m | 2019-02-20T10:18:45.43 |
GU.GBOS.HHE. | ML:0.3 | 0.000012279476000000001 | 2.1184 | AML | other | m | 2019-02-20T10:18:46.15 |
GU.PCP.HHE. | ML:0.6 | 0.000014532535 | 0.16 | AML | other | m | 2019-02-20T10:18:48.24 |
GU.PCP.HHN. | ML:0.7 | 0.0000192982405 | 0.2368 | AML | other | m | 2019-02-20T10:18:48.35 |
GU.ENR.HHE. | ML:1.0 | 0.0000200160975 | 0.0832 | AML | other | m | 2019-02-20T10:18:57.16 |
GU.ENR.HHN. | ML:1.0 | 0.000019343836 | 0.0832 | AML | other | m | 2019-02-20T10:18:57.48 |