A magnitude ML 1.7 earthquake occured in region: 2 km NE San Cristoforo (AL), on
and geographic coordinates (lat, lon) 44.7090, 8.7640 at 32 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 | 2 | 672 | 672 |
San Cristoforo | AL | 2 | 608 | 1280 |
Gavi | AL | 4 | 4614 | 5894 |
Francavilla Bisio | AL | 4 | 531 | 6425 |
Parodi Ligure | AL | 4 | 715 | 7140 |
Pasturana | AL | 5 | 1318 | 8458 |
Montaldeo | AL | 5 | 265 | 8723 |
Castelletto d'Orba | AL | 5 | 2047 | 10770 |
Novi Ligure | AL | 6 | 28154 | 38924 |
Capriata d'Orba | AL | 6 | 1904 | 40828 |
Bosio | AL | 7 | 1227 | 42055 |
Silvano d'Orba | AL | 8 | 1988 | 44043 |
Carrosio | AL | 8 | 510 | 44553 |
Mornese | AL | 8 | 737 | 45290 |
Serravalle Scrivia | AL | 8 | 6128 | 51418 |
Basaluzzo | AL | 8 | 2087 | 53505 |
Stazzano | AL | 9 | 2486 | 55991 |
Casaleggio Boiro | AL | 9 | 372 | 56363 |
Lerma | AL | 9 | 869 | 57232 |
Pozzolo Formigaro | AL | 10 | 4775 | 62007 |
Predosa | AL | 10 | 2048 | 64055 |
Arquata Scrivia | AL | 10 | 6409 | 70464 |
Vignole Borbera | AL | 10 | 2182 | 72646 |
Rocca Grimalda | AL | 10 | 1512 | 74158 |
Cassano Spinola | AL | 10 | 1731 | 75889 |
Fresonara | AL | 10 | 731 | 76620 |
Tagliolo Monferrato | AL | 11 | 1581 | 78201 |
Voltaggio | AL | 12 | 738 | 78939 |
Ovada | AL | 12 | 11477 | 90416 |
Gavazzana | AL | 12 | 180 | 90596 |
Belforte Monferrato | AL | 12 | 515 | 91111 |
Sardigliano | AL | 13 | 406 | 91517 |
Carpeneto | AL | 13 | 977 | 92494 |
Montaldo Bormida | AL | 14 | 664 | 93158 |
Villalvernia | AL | 14 | 955 | 94113 |
Bosco Marengo | AL | 14 | 2457 | 96570 |
Borghetto di Borbera | AL | 15 | 1966 | 98536 |
Trisobbio | AL | 15 | 655 | 99191 |
Sant'Agata Fossili | AL | 15 | 425 | 99616 |
Carezzano | AL | 15 | 431 | 100047 |
Fraconalto | AL | 16 | 336 | 100383 |
Grondona | AL | 16 | 510 | 100893 |
Orsara Bormida | AL | 16 | 424 | 101317 |
Paderna | AL | 16 | 220 | 101537 |
Frugarolo | AL | 16 | 1968 | 103505 |
Cremolino | AL | 16 | 1086 | 104591 |
Molare | AL | 16 | 2181 | 106772 |
Castellania | AL | 17 | 90 | 106862 |
Isola del Cantone | GE | 17 | 1540 | 108402 |
Spineto Scrivia | AL | 17 | 337 | 108739 |
Rivalta Bormida | AL | 17 | 1446 | 110185 |
Sezzadio | AL | 17 | 1246 | 111431 |
Morsasco | AL | 18 | 679 | 112110 |
Castelnuovo Bormida | AL | 18 | 694 | 112804 |
Castelspina | AL | 18 | 416 | 113220 |
Rossiglione | GE | 18 | 2779 | 115999 |
Costa Vescovato | AL | 18 | 335 | 116334 |
Carbonara Scrivia | AL | 18 | 1122 | 117456 |
Casal Cermelli | AL | 18 | 1234 | 118690 |
Prasco | AL | 18 | 521 | 119211 |
Villaromagnano | AL | 19 | 715 | 119926 |
Ronco Scrivia | GE | 19 | 4417 | 124343 |
Strevi | AL | 19 | 2019 | 126362 |
Avolasca | AL | 19 | 294 | 126656 |
Cassine | AL | 19 | 2961 | 129617 |
Cassinelle | AL | 20 | 914 | 130531 |
Campo Ligure | GE | 20 | 2955 | 133486 |
Cerreto Grue | AL | 20 | 323 | 133809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2017-09-19 02:11:35 |
44.7093 | 8.7643 | 32 | 2018-09-04 09:05:58 |
Bollettino Sismico Italiano INGV | 53160001 |
Reviewed Rev100 |
ML 1.6 | 2017-09-19 02:11:35 |
44.7178 | 8.7603 | 32 | 2017-09-19 02:26:23 |
Sala Sismica INGV-Roma | 50237451 |
Field | Value |
---|---|
Time (UTC) | 2017-09-19 02:11:35 ± 0.11 |
Latitude | 44.7093 ± 0.0072 |
Longitude | 8.7643 ± 0.0089 |
Depth (km) | 32 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 53160001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 758 |
Semi-minor axis of confidence ellipse (meter) | 645 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 134 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.32470 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 50237451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-09-19 02:26:23 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 53160001 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-01-12 15:53:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.ENR.HHZ. | 2017-09-19T02:12:09.42 | 0.3 | undecidable | manual | S | 244 | 119.0919 | 54 | 0.5 | 58 |
GU.TRAV.HHZ. | 2017-09-19T02:12:08.27 | 0.3 | undecidable | manual | S | 319 | 119.4915 | 54 | -0.74 | 53 |
GU.MGRO.HHZ. | 2017-09-19T02:12:06.00 | 0.3 | undecidable | manual | S | 226 | 105.9162 | 54 | -0.08 | 65 |
GU.GBOS.HHZ. | 2017-09-19T02:12:02.28 | 0.3 | undecidable | manual | S | 235 | 89.7435 | 105 | 0.01 | 68 |
IV.MONC.HHZ. | 2017-09-19T02:12:01.62 | 0.3 | undecidable | manual | S | 302 | 77.2671 | 108 | 2.54 | 15 |
GU.RORO.HHZ. | 2017-09-19T02:12:01.19 | 0.3 | undecidable | manual | S | 220 | 86.3469 | 106 | -0.21 | 66 |
GU.SATI.HHZ. | 2017-09-19T02:11:58.02 | 0.6 | undecidable | manual | P | 332 | 147.0417 | 54 | -0.09 | 40 |
IV.BHB.HHZ. | 2017-09-19T02:11:58.67 | 3.0 | undecidable | manual | P | 0 | ||||
GU.CIRO.HHZ. | 2017-09-19T02:11:57.25 | 0.3 | undecidable | manual | P | 317 | 136.2636 | 54 | 0.49 | 56 |
GU.ENR.HHZ. | 2017-09-19T02:11:55.08 | 0.3 | undecidable | manual | P | 244 | 119.0919 | 54 | 0.45 | 59 |
GU.TRAV.HHZ. | 2017-09-19T02:11:54.03 | 0.3 | undecidable | manual | P | 319 | 119.4915 | 54 | -0.65 | 55 |
GU.MGRO.HHZ. | 2017-09-19T02:11:53.08 | 0.1 | positive | manual | P | 226 | 105.9162 | 54 | 0.09 | 87 |
IV.QLNO.HHZ. | 2017-09-19T02:11:53.25 | 0.1 | undecidable | manual | S | 218 | 54.0015 | 116 | -0.07 | 96 |
IV.MONC.HHZ. | 2017-09-19T02:11:50.17 | 0.6 | undecidable | manual | P | 302 | 77.2671 | 108 | 1.22 | 31 |
GU.GORR.HHZ. | 2017-09-19T02:11:50.74 | 0.1 | undecidable | manual | S | 105 | 43.2234 | 122 | -0.05 | 99 |
GU.GBOS.HHZ. | 2017-09-19T02:11:50.92 | 0.3 | undecidable | manual | P | 235 | 89.7435 | 105 | 0.13 | 67 |
GU.RORO.HHZ. | 2017-09-19T02:11:50.19 | 0.3 | undecidable | manual | P | 220 | 86.3469 | 106 | -0.1 | 67 |
GU.ROTM.HHZ. | 2017-09-19T02:11:49.31 | 0.1 | undecidable | manual | S | 296 | 35.9418 | 128 | 0.11 | 99 |
GU.RNCA.HHZ. | 2017-09-19T02:11:48.48 | 0.1 | undecidable | manual | S | 151 | 30.2475 | 133 | 0.44 | 93 |
GU.CANO.HHZ. | 2017-09-19T02:11:47.97 | 0.1 | positive | manual | P | 217 | 69.5748 | 110 | 0.14 | 93 |
IV.SARZ.HHZ. | 2017-09-19T02:11:46.62 | 0.3 | undecidable | manual | S | 34 | 21.0678 | 144 | 0.2 | 74 |
GU.PCP.HHZ. | 2017-09-19T02:11:46.70 | 0.1 | undecidable | manual | S | 223 | 25.4523 | 138 | -0.44 | 93 |
IV.QLNO.HHZ. | 2017-09-19T02:11:45.58 | 0.1 | undecidable | manual | P | 218 | 54.0015 | 116 | -0.05 | 97 |
IV.BOB.HNZ. | 2017-09-19T02:11:45.82 | 0.3 | undecidable | manual | P | 83 | 54.2013 | 116 | 0.16 | 71 |
GU.GORR.HHZ. | 2017-09-19T02:11:43.97 | 0.1 | negative | manual | P | 105 | 43.2234 | 122 | -0.19 | 96 |
GU.ROTM.HHZ. | 2017-09-19T02:11:43.02 | 0.1 | undecidable | manual | P | 296 | 35.9418 | 128 | -0.23 | 96 |
GU.RNCA.HHZ. | 2017-09-19T02:11:42.68 | 0.1 | negative | manual | P | 151 | 30.2475 | 133 | 0.1 | 100 |
IV.SARZ.HHZ. | 2017-09-19T02:11:41.08 | 0.3 | undecidable | manual | P | 34 | 21.0678 | 144 | -0.56 | 69 |
GU.PCP.HHZ. | 2017-09-19T02:11:41.71 | 0.1 | negative | manual | P | 223 | 25.4523 | 138 | -0.35 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PCP.HHE. | ML:1.6 | 0.0001265 | 1.58 | AML | other | m | 2017-09-19T02:11:46.10 |
GU.PCP.HHN. | ML:1.7 | 0.0001885 | 1.88 | AML | other | m | 2017-09-19T02:11:47.98 |
IV.SARZ.HHE. | ML:1.8 | 0.00023799999999999998 | 0.64 | AML | other | m | 2017-09-19T02:11:48.21 |
IV.SARZ.HHN. | ML:1.8 | 0.00026049999999999994 | 0.4 | AML | other | m | 2017-09-19T02:11:48.47 |
GU.RNCA.HHN. | ML:1.0 | 0.0000354 | 0.18 | AML | other | m | 2017-09-19T02:11:48.60 |
GU.RNCA.HHE. | ML:1.2 | 0.000046200000000000005 | 0.54 | AML | other | m | 2017-09-19T02:11:50.26 |
GU.GORR.HHN. | ML:1.6 | 0.00010170000000000002 | 0.4 | AML | other | m | 2017-09-19T02:11:51.15 |
GU.GORR.HHE. | ML:1.6 | 0.0000857 | 0.9 | AML | other | m | 2017-09-19T02:11:51.56 |
GU.CANO.HHE. | ML:2.0 | 0.0001505 | 0.94 | AML | other | m | 2017-09-19T02:11:57.90 |
GU.CANO.HHN. | ML:1.8 | 0.00008985 | 0.28 | AML | other | m | 2017-09-19T02:12:00.49 |
IV.CAFI.HHE. | ML:2.2 | 0.00001935 | 0.42 | AML | other | m | 2017-09-19T02:12:55.73 |
IV.CAFI.HHN. | ML:2.4 | 0.000032 | 0.42 | AML | other | m | 2017-09-19T02:12:56.80 |