A magnitude ML 1.0 (quarry blast) earthquake occured in region: 3 km S Plodio (SV), on
and geographic coordinates (lat, lon) 44.3330, 8.2360 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 |
---|---|---|---|---|
Plodio | SV | 3 | 650 | 650 |
Pallare | SV | 3 | 923 | 1573 |
Cosseria | SV | 4 | 1105 | 2678 |
Millesimo | SV | 4 | 3383 | 6061 |
Roccavignale | SV | 5 | 752 | 6813 |
Carcare | SV | 5 | 5587 | 12400 |
Bormida | SV | 6 | 387 | 12787 |
Murialdo | SV | 6 | 841 | 13628 |
Osiglia | SV | 6 | 444 | 14072 |
Cengio | SV | 7 | 3563 | 17635 |
Mallare | SV | 7 | 1146 | 18781 |
Cairo Montenotte | SV | 8 | 13269 | 32050 |
Castelnuovo di Ceva | CN | 9 | 110 | 32160 |
Altare | SV | 9 | 2108 | 34268 |
Montezemolo | CN | 9 | 259 | 34527 |
Saliceto | CN | 11 | 1323 | 35850 |
Perlo | CN | 12 | 116 | 35966 |
Priero | CN | 12 | 529 | 36495 |
Camerana | CN | 13 | 631 | 37126 |
Rialto | SV | 13 | 564 | 37690 |
Massimino | SV | 14 | 113 | 37803 |
Sale delle Langhe | CN | 14 | 486 | 38289 |
Nucetto | CN | 14 | 430 | 38719 |
Orco Feglino | SV | 14 | 890 | 39609 |
Dego | SV | 14 | 1985 | 41594 |
Calizzano | SV | 14 | 1475 | 43069 |
Sale San Giovanni | CN | 15 | 183 | 43252 |
Quiliano | SV | 15 | 7232 | 50484 |
Calice Ligure | SV | 15 | 1730 | 52214 |
Vezzi Portio | SV | 15 | 809 | 53023 |
Gottasecca | CN | 15 | 148 | 53171 |
Magliolo | SV | 16 | 974 | 54145 |
Bagnasco | CN | 16 | 1035 | 55180 |
Ceva | CN | 17 | 5782 | 60962 |
Paroldo | CN | 17 | 211 | 61173 |
Monesiglio | CN | 18 | 645 | 61818 |
Vado Ligure | SV | 18 | 8336 | 70154 |
Tovo San Giacomo | SV | 18 | 2582 | 72736 |
Bardineto | SV | 18 | 756 | 73492 |
Giustenice | SV | 18 | 977 | 74469 |
Piana Crixia | SV | 18 | 788 | 75257 |
Battifollo | CN | 18 | 219 | 75476 |
Castelletto Uzzone | CN | 18 | 331 | 75807 |
Giusvalla | SV | 18 | 441 | 76248 |
Spotorno | SV | 19 | 3803 | 80051 |
Prunetto | CN | 19 | 451 | 80502 |
Bergeggi | SV | 19 | 1129 | 81631 |
Mombarcaro | CN | 19 | 268 | 81899 |
Roascio | CN | 19 | 97 | 81996 |
Torresina | CN | 19 | 52 | 82048 |
Priola | CN | 19 | 701 | 82749 |
Scagnello | CN | 20 | 194 | 82943 |
Savona | SV | 20 | 61345 | 144288 |
Borgio Verezzi | SV | 20 | 2205 | 146493 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2020-01-08 10:52:03 |
44.3332 | 8.2358 | 1 | 2020-07-18 21:08:22 |
Bollettino Sismico Italiano INGV | 76838431 |
Reviewed Rev100 |
ML 1.9 | 2020-01-08 10:51:58 |
44.3583 | 8.7433 | 10 | 2020-01-08 11:02:12 |
Sala Sismica INGV-Roma | 75382131 |
Field | Value |
---|---|
Time (UTC) | 2020-01-08 10:52:03 ± 0.22 |
Latitude | 44.3332 ± 0.0144 |
Longitude | 8.2358 ± 0.0113 |
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 | 76838431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1680 |
Semi-minor axis of confidence ellipse (meter) | 770 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 344 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 204 |
Number of associated phases, regardless of their use for origin computation | 4 |
Number of defining phases | 4 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.07914 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29768 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 75382131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-01-08 11:02:12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 76838431 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-03-04 14:30:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GBOS.HHZ. | 2020-01-08T10:52:10.22 | 0.3 | undecidable | manual | P | 252 | 33.0447 | 91 | 0.08 | 71 |
GU.RORO.HHE. | 2020-01-08T10:52:08.96 | 0.1 | undecidable | manual | P | 209 | 27.9498 | 91 | -0.17 | 94 |
GU.CANO.HHZ. | 2020-01-08T10:52:06.44 | 0.1 | positive | manual | P | 180 | 13.9749 | 92 | 0.13 | 97 |
IV.QLNO.HHZ. | 2020-01-08T10:52:05.26 | 0.1 | positive | manual | P | 96 | 8.7801 | 93 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.RNCA.HHN. | ML:0.8 | 0.000013357123999999999 | 0.0576 | AML | other | m | 2020-01-08T10:52:06.87 |
IV.QLNO.HHE. | ML:1.9 | 0.00021700930000000002 | 0.6016 | AML | other | m | 2020-01-08T10:52:07.22 |
IV.QLNO.HHN. | ML:2.1 | 0.00034344005 | 0.6016 | AML | other | m | 2020-01-08T10:52:07.56 |
GU.CANO.HHE. | ML:1.2 | 0.00021511375 | 0.4032 | AML | other | m | 2020-01-08T10:52:09.83 |
GU.CANO.HHN. | ML:1.2 | 0.00021749754999999998 | 0.3264 | AML | other | m | 2020-01-08T10:52:10.12 |
GU.PCP.HHN. | ML:0.4 | 0.000010222834499999999 | 0.16 | AML | other | m | 2020-01-08T10:52:14.55 |
GU.RNCA.HHE. | ML:1.2 | 0.00003260626 | 0.064 | AML | other | m | 2020-01-08T10:52:15.28 |
GU.PCP.HHE. | ML:0.5 | 0.000014333768 | 0.2624 | AML | other | m | 2020-01-08T10:52:16.48 |