A magnitude ML 1.9 earthquake occured in region: 3 km E Tassarolo (AL), on
and geographic coordinates (lat, lon) 44.7250, 8.8030 at 26 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 |
---|---|---|---|---|
Tassarolo | AL | 3 | 672 | 672 |
Gavi | AL | 4 | 4614 | 5286 |
Novi Ligure | AL | 4 | 28154 | 33440 |
Serravalle Scrivia | AL | 5 | 6128 | 39568 |
Pasturana | AL | 5 | 1318 | 40886 |
Stazzano | AL | 5 | 2486 | 43372 |
San Cristoforo | AL | 5 | 608 | 43980 |
Francavilla Bisio | AL | 6 | 531 | 44511 |
Cassano Spinola | AL | 7 | 1731 | 46242 |
Parodi Ligure | AL | 7 | 715 | 46957 |
Vignole Borbera | AL | 7 | 2182 | 49139 |
Carrosio | AL | 8 | 510 | 49649 |
Arquata Scrivia | AL | 8 | 6409 | 56058 |
Pozzolo Formigaro | AL | 8 | 4775 | 60833 |
Montaldeo | AL | 9 | 265 | 61098 |
Bosio | AL | 9 | 1227 | 62325 |
Gavazzana | AL | 9 | 180 | 62505 |
Castelletto d'Orba | AL | 9 | 2047 | 64552 |
Capriata d'Orba | AL | 9 | 1904 | 66456 |
Sardigliano | AL | 9 | 406 | 66862 |
Basaluzzo | AL | 9 | 2087 | 68949 |
Mornese | AL | 10 | 737 | 69686 |
Silvano d'Orba | AL | 11 | 1988 | 71674 |
Borghetto di Borbera | AL | 11 | 1966 | 73640 |
Villalvernia | AL | 11 | 955 | 74595 |
Casaleggio Boiro | AL | 11 | 372 | 74967 |
Fresonara | AL | 11 | 731 | 75698 |
Sant'Agata Fossili | AL | 12 | 425 | 76123 |
Predosa | AL | 12 | 2048 | 78171 |
Voltaggio | AL | 12 | 738 | 78909 |
Carezzano | AL | 12 | 431 | 79340 |
Lerma | AL | 12 | 869 | 80209 |
Paderna | AL | 13 | 220 | 80429 |
Grondona | AL | 13 | 510 | 80939 |
Castellania | AL | 13 | 90 | 81029 |
Rocca Grimalda | AL | 14 | 1512 | 82541 |
Spineto Scrivia | AL | 14 | 337 | 82878 |
Tagliolo Monferrato | AL | 14 | 1581 | 84459 |
Costa Vescovato | AL | 15 | 335 | 84794 |
Bosco Marengo | AL | 15 | 2457 | 87251 |
Isola del Cantone | GE | 15 | 1540 | 88791 |
Carbonara Scrivia | AL | 15 | 1122 | 89913 |
Avolasca | AL | 16 | 294 | 90207 |
Ovada | AL | 16 | 11477 | 101684 |
Villaromagnano | AL | 16 | 715 | 102399 |
Belforte Monferrato | AL | 16 | 515 | 102914 |
Fraconalto | AL | 16 | 336 | 103250 |
Frugarolo | AL | 16 | 1968 | 105218 |
Carpeneto | AL | 16 | 977 | 106195 |
Cerreto Grue | AL | 17 | 323 | 106518 |
Garbagna | AL | 17 | 696 | 107214 |
Montaldo Bormida | AL | 17 | 664 | 107878 |
Montegioco | AL | 18 | 313 | 108191 |
Ronco Scrivia | GE | 18 | 4417 | 112608 |
Sarezzano | AL | 18 | 1171 | 113779 |
Trisobbio | AL | 18 | 655 | 114434 |
Roccaforte Ligure | AL | 19 | 136 | 114570 |
Casal Cermelli | AL | 19 | 1234 | 115804 |
Cantalupo Ligure | AL | 19 | 527 | 116331 |
Orsara Bormida | AL | 19 | 424 | 116755 |
Sezzadio | AL | 19 | 1246 | 118001 |
Castelspina | AL | 20 | 416 | 118417 |
Molare | AL | 20 | 2181 | 120598 |
Cremolino | AL | 20 | 1086 | 121684 |
Tortona | AL | 20 | 27437 | 149121 |
Rocchetta Ligure | AL | 20 | 200 | 149321 |
Casasco | AL | 20 | 129 | 149450 |
Rivalta Bormida | AL | 20 | 1446 | 150896 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2020-09-11 19:54:03 |
44.7247 | 8.8032 | 26 | 2021-02-26 14:55:56 |
Bollettino Sismico Italiano INGV | 83330161 |
Reviewed Rev100 |
ML 1.8 | 2020-09-11 19:54:04 |
44.7053 | 8.772 | 10 | 2020-09-11 20:02:49 |
Sala Sismica INGV-Roma | 82824601 |
Field | Value |
---|---|
Time (UTC) | 2020-09-11 19:54:03 ± 0.14 |
Latitude | 44.7247 ± 0.0090 |
Longitude | 8.8032 ± 0.0114 |
Depth (km) | 26 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 83330161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 834 |
Semi-minor axis of confidence ellipse (meter) | 654 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 314 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 58 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 27 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.79055 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 83330161 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-27 18:02:47 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 82824601 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-11 20:02:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BARO.EHZ. | 2020-09-11T19:55:54.02 | 3.0 | undecidable | manual | Sg | 17.139999 | 0 | |||
IV.COR1.EHZ. | 2020-09-11T19:55:50.91 | 3.0 | undecidable | manual | Sg | 19 | 0 | |||
IV.FDMO.HHZ. | 2020-09-11T19:55:40.43 | 3.0 | undecidable | manual | Sn | 0.83 | 0 | |||
IV.SGTA.HHZ. | 2020-09-11T19:55:40.42 | 3.0 | undecidable | manual | Pn | 8.74 | 0 | |||
IV.ASSB.HHZ. | 2020-09-11T19:55:38.45 | 3.0 | undecidable | manual | Sn | 5.53 | 0 | |||
IV.MAON.HHZ. | 2020-09-11T19:55:33.82 | 3.0 | undecidable | manual | Sg | 10.99 | 0 | |||
IV.ROSPO.HHZ. | 2020-09-11T19:55:27.71 | 3.0 | positive | manual | Pn | 8.38 | 0 | |||
IV.PTRJ.HNZ. | 2020-09-11T19:55:26.41 | 3.0 | positive | manual | Pn | 3.44 | 0 | |||
IV.FREG.EHZ. | 2020-09-11T19:54:51.07 | 3.0 | positive | manual | Pn | 3.62 | 0 | |||
ST.RONC.EHZ. | 2020-09-11T19:54:34.08 | 0.3 | undecidable | manual | P | 45 | 198.7455 | 54 | 0.47 | 44 |
GU.SATI.HHZ. | 2020-09-11T19:54:27.53 | 0.3 | undecidable | manual | P | 331 | 147.0417 | 54 | 0.36 | 58 |
GU.CANO.HHZ. | 2020-09-11T19:54:26.25 | 0.6 | undecidable | manual | S | 218 | 72.7716 | 104 | 0.24 | 47 |
GU.CIRO.HHZ. | 2020-09-11T19:54:24.81 | 0.3 | undecidable | manual | P | 316 | 137.1627 | 54 | -1.12 | 44 |
GU.TRAV.HHZ. | 2020-09-11T19:54:24.23 | 0.3 | undecidable | manual | P | 317 | 120.2907 | 98 | 0.48 | 59 |
CH.MUGIO.HHN. | 2020-09-11T19:54:24.80 | 0.3 | undecidable | manual | P | 8 | 134.0658 | 54 | -0.76 | 53 |
IV.QLNO.HHZ. | 2020-09-11T19:54:22.16 | 0.6 | undecidable | manual | S | 219 | 57.2982 | 108 | 0.12 | 50 |
GU.GBOS.HHZ. | 2020-09-11T19:54:20.03 | 0.3 | undecidable | manual | P | 235 | 93.24 | 101 | 0.41 | 65 |
IV.BOB.HNE. | 2020-09-11T19:54:20.53 | 0.6 | undecidable | manual | S | 84 | 51.0156 | 111 | 0.07 | 49 |
GU.RORO.HHE. | 2020-09-11T19:54:19.33 | 0.3 | undecidable | manual | P | 221 | 89.6436 | 101 | 0.25 | 68 |
GU.GORR.HHN. | 2020-09-11T19:54:18.57 | 0.6 | undecidable | manual | S | 108 | 40.7259 | 117 | 0.62 | 44 |
GU.ROTM.HHZ. | 2020-09-11T19:54:18.43 | 0.3 | undecidable | manual | S | 291 | 38.0286 | 118 | 1.12 | 53 |
GU.GENL.EHN. | 2020-09-11T19:54:17.68 | 0.6 | undecidable | manual | S | 160 | 37.7289 | 119 | 0.44 | 48 |
GU.CANO.HHZ. | 2020-09-11T19:54:16.53 | 0.1 | undecidable | manual | P | 218 | 72.7716 | 104 | -0.02 | 96 |
GU.RNCA.HHZ. | 2020-09-11T19:54:15.46 | 0.6 | undecidable | manual | S | 157 | 30.4473 | 125 | -0.12 | 51 |
IT.ACQ.HGZ. | 2020-09-11T19:54:14.58 | 0.6 | undecidable | manual | S | 260 | 27.2505 | 129 | -0.32 | 49 |
IV.QLNO.HHZ. | 2020-09-11T19:54:14.17 | 0.1 | undecidable | manual | P | 219 | 57.2982 | 108 | -0.08 | 97 |
GU.PCP.HHZ. | 2020-09-11T19:54:14.73 | 0.3 | undecidable | manual | S | 225 | 28.749 | 127 | -0.49 | 70 |
IV.BOB.HNE. | 2020-09-11T19:54:13.22 | 0.6 | undecidable | manual | P | 84 | 51.0156 | 111 | -0.12 | 50 |
IV.SARZ.HHZ. | 2020-09-11T19:54:13.27 | 0.6 | undecidable | manual | S | 29 | 18.0708 | 142 | 0.12 | 51 |
GU.ROTM.HHZ. | 2020-09-11T19:54:12.01 | 0.1 | undecidable | manual | P | 291 | 38.0286 | 118 | 0.48 | 93 |
GU.GENL.EHN. | 2020-09-11T19:54:12.08 | 0.3 | undecidable | manual | P | 160 | 37.7289 | 119 | 0.59 | 69 |
GU.GORR.HHN. | 2020-09-11T19:54:11.82 | 0.3 | undecidable | manual | P | 108 | 40.7259 | 117 | -0.07 | 76 |
GU.RNCA.HHZ. | 2020-09-11T19:54:10.32 | 0.1 | positive | manual | P | 157 | 30.4473 | 125 | -0.21 | 100 |
IT.ACQ.HGZ. | 2020-09-11T19:54:09.79 | 0.3 | undecidable | manual | P | 260 | 27.2505 | 129 | -0.35 | 74 |
GU.PCP.HHZ. | 2020-09-11T19:54:09.87 | 0.1 | positive | manual | P | 225 | 28.749 | 127 | -0.45 | 95 |
IV.SARZ.HHZ. | 2020-09-11T19:54:08.42 | 0.1 | undecidable | manual | P | 29 | 18.0708 | 142 | -0.7 | 92 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PCP.HHE. | ML:1.8 | 0.000209 | 1.58 | AML | other | m | 2020-09-11T19:54:14.97 |
GU.PCP.HHN. | ML:1.7 | 0.00016849999999999998 | 0.62 | AML | other | m | 2020-09-11T19:54:15.04 |
GU.RNCA.HHE. | ML:1.6 | 0.00013900000000000002 | 0.6 | AML | other | m | 2020-09-11T19:54:15.47 |
GU.RNCA.HHN. | ML:1.6 | 0.000143 | 1.16 | AML | other | m | 2020-09-11T19:54:15.79 |
IV.SARZ.HHE. | ML:2.2 | 0.0007564999999999999 | 0.34 | AML | other | m | 2020-09-11T19:54:16.59 |
IV.SARZ.HNE. | ML:2.2 | 0.000718 | 0.32 | AML | other | m | 2020-09-11T19:54:16.76 |
IV.SARZ.HNN. | ML:2.1 | 0.0005845000000000001 | 1.62 | AML | other | m | 2020-09-11T19:54:18.17 |
IV.SARZ.HHN. | ML:2.1 | 0.0005949999999999999 | 1.62 | AML | other | m | 2020-09-11T19:54:18.17 |
GU.ROTM.HHE. | ML:2.1 | 0.00034899999999999997 | 0.2 | AML | other | m | 2020-09-11T19:54:19.31 |
GU.ROTM.HHN. | ML:2.1 | 0.0003445 | 1.6 | AML | other | m | 2020-09-11T19:54:20.10 |
GU.CANO.HHE. | ML:2.0 | 0.000129 | 0.8 | AML | other | m | 2020-09-11T19:54:29.04 |
GU.CANO.HHN. | ML:1.9 | 0.00011015 | 1.74 | AML | other | m | 2020-09-11T19:54:30.90 |
GU.TRAV.HHE. | ML:1.8 | 0.0000492 | 0.82 | AML | other | m | 2020-09-11T19:54:39.80 |
GU.TRAV.HHN. | ML:2.0 | 0.00006805 | 0.54 | AML | other | m | 2020-09-11T19:54:41.34 |
GU.CIRO.HHE. | ML:1.6 | 0.000024299999999999998 | 1.16 | AML | other | m | 2020-09-11T19:54:43.11 |
GU.CIRO.HHN. | ML:1.9 | 0.0000428 | 0.42 | AML | other | m | 2020-09-11T19:54:44.47 |
GU.SATI.HHN. | ML:1.8 | 0.0000363 | 0.58 | AML | other | m | 2020-09-11T19:54:46.29 |
GU.SATI.HHE. | ML:2.0 | 0.00005265 | 0.7 | AML | other | m | 2020-09-11T19:54:46.40 |