A magnitude ML 2.4 earthquake occured in region: 2 km NW Frugarolo (AL), on
and geographic coordinates (lat, lon) 44.8510, 8.6590 at 37 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 |
---|---|---|---|---|
Frugarolo | AL | 2 | 1968 | 1968 |
Casal Cermelli | AL | 3 | 1234 | 3202 |
Bosco Marengo | AL | 3 | 2457 | 5659 |
Castellazzo Bormida | AL | 6 | 4570 | 10229 |
Fresonara | AL | 8 | 731 | 10960 |
Alessandria | AL | 8 | 93943 | 104903 |
Castelspina | AL | 8 | 416 | 105319 |
Borgoratto Alessandrino | AL | 10 | 584 | 105903 |
Basaluzzo | AL | 10 | 2087 | 107990 |
Sezzadio | AL | 10 | 1246 | 109236 |
Gamalero | AL | 10 | 844 | 110080 |
Frascaro | AL | 10 | 440 | 110520 |
Pietra Marazzi | AL | 11 | 904 | 111424 |
Predosa | AL | 11 | 2048 | 113472 |
Montecastello | AL | 11 | 321 | 113793 |
Pozzolo Formigaro | AL | 12 | 4775 | 118568 |
Pasturana | AL | 13 | 1318 | 119886 |
Oviglio | AL | 14 | 1265 | 121151 |
Piovera | AL | 14 | 851 | 122002 |
Capriata d'Orba | AL | 14 | 1904 | 123906 |
Francavilla Bisio | AL | 14 | 531 | 124437 |
Solero | AL | 14 | 1645 | 126082 |
Novi Ligure | AL | 14 | 28154 | 154236 |
Castelnuovo Bormida | AL | 15 | 694 | 154930 |
Rivarone | AL | 15 | 381 | 155311 |
Carentino | AL | 15 | 340 | 155651 |
Cassine | AL | 15 | 2961 | 158612 |
Pecetto di Valenza | AL | 16 | 1267 | 159879 |
Villalvernia | AL | 16 | 955 | 160834 |
Castelletto Monferrato | AL | 16 | 1537 | 162371 |
Bergamasco | AL | 16 | 744 | 163115 |
Tassarolo | AL | 16 | 672 | 163787 |
Tortona | AL | 17 | 27437 | 191224 |
Carbonara Scrivia | AL | 17 | 1122 | 192346 |
Spineto Scrivia | AL | 17 | 337 | 192683 |
Quargnento | AL | 17 | 1398 | 194081 |
Maranzana | AT | 18 | 277 | 194358 |
San Salvatore Monferrato | AL | 18 | 4299 | 198657 |
Rivalta Bormida | AL | 18 | 1446 | 200103 |
Villaromagnano | AL | 18 | 715 | 200818 |
Bassignana | AL | 18 | 1709 | 202527 |
Silvano d'Orba | AL | 18 | 1988 | 204515 |
Felizzano | AL | 18 | 2344 | 206859 |
Valenza | AL | 18 | 19178 | 226037 |
Bruno | AT | 18 | 321 | 226358 |
Alluvioni CambiĆ² | AL | 19 | 912 | 227270 |
Paderna | AL | 19 | 220 | 227490 |
Castelletto d'Orba | AL | 19 | 2047 | 229537 |
Mombaruzzo | AT | 19 | 1117 | 230654 |
Cassano Spinola | AL | 19 | 1731 | 232385 |
San Cristoforo | AL | 19 | 608 | 232993 |
Sale | AL | 19 | 4172 | 237165 |
Montaldo Bormida | AL | 19 | 664 | 237829 |
Orsara Bormida | AL | 19 | 424 | 238253 |
Carpeneto | AL | 20 | 977 | 239230 |
Carezzano | AL | 20 | 431 | 239661 |
Ricaldone | AL | 20 | 684 | 240345 |
Quaranti | AT | 20 | 183 | 240528 |
Masio | AL | 20 | 1420 | 241948 |
Gavazzana | AL | 20 | 180 | 242128 |
Rocca Grimalda | AL | 20 | 1512 | 243640 |
Strevi | AL | 20 | 2019 | 245659 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML 2.4 |
2007-12-04 14:49:19 |
44.851 | 8.659 | 37 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 664579 |
Field | Value |
---|---|
Time (UTC) | 2007-12-04 14:49:19 ± 0.24 |
Latitude | 44.8510 ± 0.0216 |
Longitude | 8.6590 ± 0.0279 |
Depth (km) | 37 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 664579 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2455 |
Semi-minor axis of confidence ellipse (meter) | 1891 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 210 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3255.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.91 |
Epicentral distance of station closest to the epicenter (degree) | 0.32016 |
Epicentral distance of station farthest from the epicenter (degree) | 1.08728 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 664579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 12:36:51 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.4 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 664579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 12:36:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.DOI.HHZ. | 2007-12-04T14:49:53.53 | 0.6 | undecidable | manual | Sg | 251 | 117.8931 | 1.412 | 27 | |
GU.SC2M.HHE. | 2007-12-04T14:49:45.53 | 0.3 | undecidable | manual | Sg | 125 | 85.0482 | 0.494 | 63 | |
IV.DOI.HHZ. | 2007-12-04T14:49:39.12 | 0.1 | undecidable | manual | Pg | 251 | 117.8931 | 0.862 | 69 | |
IV.IMI.SHZ. | 2007-12-04T14:49:37.98 | 0.1 | undecidable | manual | Pg | 210 | 120.6903 | -0.633 | 75 | |
IV.VAI.SHZ. | 2007-12-04T14:49:37.22 | 0.1 | undecidable | manual | Pg | 4 | 113.0979 | -0.441 | 80 | |
IV.ORO.SHZ. | 2007-12-04T14:49:36.21 | 0.1 | undecidable | manual | Pg | 329 | 101.0211 | 0.048 | 90 | |
GU.TRAV.HHE. | 2007-12-04T14:49:34.81 | 0.3 | undecidable | manual | Pg | 316 | 102.3198 | -1.517 | 36 | |
GU.SC2M.HHE. | 2007-12-04T14:49:34.20 | 0.1 | undecidable | manual | Pg | 125 | 85.0482 | 0.029 | 93 | |
GU.PCP.HHZ. | 2007-12-04T14:49:33.80 | 0.1 | undecidable | manual | Sg | 195 | 35.5422 | -0.355 | 97 | |
IV.FIN.SHZ. | 2007-12-04T14:49:32.99 | 0.1 | undecidable | manual | Pg | 207 | 79.7646 | -0.521 | 85 | |
IV.MONC.HHE. | 2007-12-04T14:49:32.31 | 0.1 | undecidable | manual | Pg | 294 | 62.5929 | 0.963 | 74 | |
IV.BOB.HHE. | 2007-12-04T14:49:31.75 | 0.3 | undecidable | manual | Pg | 98 | 62.7927 | 0.379 | 68 | |
GU.PCP.HHZ. | 2007-12-04T14:49:27.72 | 0.1 | undecidable | manual | Pg | 195 | 35.5422 | -0.169 | 100 |