A magnitude ML 1.9 earthquake occured in region: 4 km N Pozzolo Formigaro (AL), on
and geographic coordinates (lat, lon) 44.8300, 8.7770 at 8 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Pozzolo Formigaro | AL | 4 | 4775 | 4775 |
Villalvernia | AL | 7 | 955 | 5730 |
Novi Ligure | AL | 8 | 28154 | 33884 |
Spineto Scrivia | AL | 8 | 337 | 34221 |
Frugarolo | AL | 8 | 1968 | 36189 |
Carbonara Scrivia | AL | 8 | 1122 | 37311 |
Bosco Marengo | AL | 8 | 2457 | 39768 |
Basaluzzo | AL | 9 | 2087 | 41855 |
Fresonara | AL | 9 | 731 | 42586 |
Pasturana | AL | 9 | 1318 | 43904 |
Paderna | AL | 9 | 220 | 44124 |
Villaromagnano | AL | 9 | 715 | 44839 |
Cassano Spinola | AL | 10 | 1731 | 46570 |
Tortona | AL | 10 | 27437 | 74007 |
Carezzano | AL | 10 | 431 | 74438 |
Gavazzana | AL | 11 | 180 | 74618 |
Francavilla Bisio | AL | 11 | 531 | 75149 |
Tassarolo | AL | 11 | 672 | 75821 |
Sarezzano | AL | 12 | 1171 | 76992 |
Casal Cermelli | AL | 12 | 1234 | 78226 |
Costa Vescovato | AL | 12 | 335 | 78561 |
Sant'Agata Fossili | AL | 12 | 425 | 78986 |
Cerreto Grue | AL | 12 | 323 | 79309 |
Predosa | AL | 13 | 2048 | 81357 |
Castellania | AL | 13 | 90 | 81447 |
Capriata d'Orba | AL | 13 | 1904 | 83351 |
Sardigliano | AL | 13 | 406 | 83757 |
Stazzano | AL | 13 | 2486 | 86243 |
Serravalle Scrivia | AL | 14 | 6128 | 92371 |
Viguzzolo | AL | 14 | 3148 | 95519 |
Montegioco | AL | 14 | 313 | 95832 |
Berzano di Tortona | AL | 15 | 157 | 95989 |
Piovera | AL | 15 | 851 | 96840 |
Montecastello | AL | 15 | 321 | 97161 |
Avolasca | AL | 15 | 294 | 97455 |
San Cristoforo | AL | 15 | 608 | 98063 |
Pietra Marazzi | AL | 15 | 904 | 98967 |
Castelspina | AL | 16 | 416 | 99383 |
Alessandria | AL | 16 | 93943 | 193326 |
Gavi | AL | 16 | 4614 | 197940 |
Castellazzo Bormida | AL | 16 | 4570 | 202510 |
Castellar Guidobono | AL | 16 | 399 | 202909 |
Volpeglino | AL | 16 | 148 | 203057 |
Vignole Borbera | AL | 16 | 2182 | 205239 |
Sezzadio | AL | 17 | 1246 | 206485 |
Castelletto d'Orba | AL | 17 | 2047 | 208532 |
Rivarone | AL | 17 | 381 | 208913 |
Borghetto di Borbera | AL | 17 | 1966 | 210879 |
Montemarzino | AL | 17 | 341 | 211220 |
Sale | AL | 18 | 4172 | 215392 |
Parodi Ligure | AL | 18 | 715 | 216107 |
Monleale | AL | 18 | 566 | 216673 |
Volpedo | AL | 18 | 1227 | 217900 |
Silvano d'Orba | AL | 18 | 1988 | 219888 |
Arquata Scrivia | AL | 18 | 6409 | 226297 |
Casasco | AL | 18 | 129 | 226426 |
Montaldeo | AL | 18 | 265 | 226691 |
Garbagna | AL | 18 | 696 | 227387 |
Gamalero | AL | 19 | 844 | 228231 |
Alluvioni CambiĆ² | AL | 19 | 912 | 229143 |
Castelnuovo Scrivia | AL | 19 | 5274 | 234417 |
Casalnoceto | AL | 19 | 980 | 235397 |
Borgoratto Alessandrino | AL | 19 | 584 | 235981 |
Pontecurone | AL | 19 | 3723 | 239704 |
Frascaro | AL | 19 | 440 | 240144 |
Carrosio | AL | 19 | 510 | 240654 |
Bassignana | AL | 20 | 1709 | 242363 |
Pecetto di Valenza | AL | 20 | 1267 | 243630 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML 1.9 |
2009-02-04 12:10:53 |
44.83 | 8.777 | 8 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 742099 |
Field | Value |
---|---|
Time (UTC) | 2009-02-04 12:10:53 ± 0.3 |
Latitude | 44.8300 ± 0.0243 |
Longitude | 8.7770 ± 0.0178 |
Depth (km) | 8 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 742099 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2684 |
Semi-minor axis of confidence ellipse (meter) | 1316 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 9 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3041.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 165 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.8 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.13584 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 742099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:02:06 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 742099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:02:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SNAL.HHE. | 2009-02-04T12:12:05.73 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.GROG.HHZ. | 2009-02-04T12:11:54.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.GRI.EHZ. | 2009-02-04T12:11:47.04 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.DOI.HHN. | 2009-02-04T12:11:29.41 | 0.1 | undecidable | manual | Sg | 254 | 126.0738 | -0.917 | 64 | |
IV.CMPO.HHZ. | 2009-02-04T12:11:26.42 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MONC.HHE. | 2009-02-04T12:11:16.70 | 0.1 | undecidable | manual | Sg | 292 | 72.0723 | 0.785 | 76 | |
GU.SC2M.HHN. | 2009-02-04T12:11:16.85 | 0.3 | undecidable | manual | Sg | 128 | 76.1682 | -0.154 | 68 | |
IV.DOI.HHN. | 2009-02-04T12:11:13.90 | 0.1 | undecidable | manual | Pg | 254 | 126.0738 | -0.889 | 65 | |
IV.BOB.HHN. | 2009-02-04T12:11:11.69 | 0.1 | undecidable | manual | Sg | 97 | 53.2023 | 0.806 | 78 | |
GU.PCP.HHN. | 2009-02-04T12:11:07.56 | 0.1 | undecidable | manual | Sg | 210 | 36.8298 | 1.041 | 72 | |
IV.MONC.HHE. | 2009-02-04T12:11:06.58 | 0.1 | undecidable | manual | Pg | 292 | 72.0723 | 0.112 | 92 | |
GU.SC2M.HHN. | 2009-02-04T12:11:06.61 | 0.1 | undecidable | manual | Pg | 128 | 76.1682 | -0.487 | 85 | |
IV.CRAC.EHE. | 2009-02-04T12:11:03.14 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.BOB.HHN. | 2009-02-04T12:11:03.07 | 0.1 | undecidable | manual | Pg | 97 | 53.2023 | -0.492 | 88 | |
GU.PCP.HHN. | 2009-02-04T12:11:01.08 | 0.1 | undecidable | manual | Pg | 210 | 36.8298 | 0.038 | 100 |