A magnitude ML 1.6 earthquake occured in region: 2 km E San Cristoforo (AL), on
and geographic coordinates (lat, lon) 44.6860, 8.7710 at 28 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 |
---|---|---|---|---|
San Cristoforo | AL | 2 | 608 | 608 |
Parodi Ligure | AL | 2 | 715 | 1323 |
Gavi | AL | 3 | 4614 | 5937 |
Montaldeo | AL | 4 | 265 | 6202 |
Bosio | AL | 5 | 1227 | 7429 |
Tassarolo | AL | 5 | 672 | 8101 |
Mornese | AL | 5 | 737 | 8838 |
Castelletto d'Orba | AL | 5 | 2047 | 10885 |
Carrosio | AL | 6 | 510 | 11395 |
Francavilla Bisio | AL | 6 | 531 | 11926 |
Casaleggio Boiro | AL | 6 | 372 | 12298 |
Lerma | AL | 7 | 869 | 13167 |
Pasturana | AL | 8 | 1318 | 14485 |
Silvano d'Orba | AL | 8 | 1988 | 16473 |
Serravalle Scrivia | AL | 8 | 6128 | 22601 |
Capriata d'Orba | AL | 8 | 1904 | 24505 |
Novi Ligure | AL | 8 | 28154 | 52659 |
Stazzano | AL | 9 | 2486 | 55145 |
Arquata Scrivia | AL | 9 | 6409 | 61554 |
Voltaggio | AL | 9 | 738 | 62292 |
Tagliolo Monferrato | AL | 10 | 1581 | 63873 |
Rocca Grimalda | AL | 10 | 1512 | 65385 |
Vignole Borbera | AL | 10 | 2182 | 67567 |
Basaluzzo | AL | 11 | 2087 | 69654 |
Belforte Monferrato | AL | 11 | 515 | 70169 |
Ovada | AL | 11 | 11477 | 81646 |
Predosa | AL | 12 | 2048 | 83694 |
Cassano Spinola | AL | 12 | 1731 | 85425 |
Pozzolo Formigaro | AL | 12 | 4775 | 90200 |
Fresonara | AL | 13 | 731 | 90931 |
Carpeneto | AL | 13 | 977 | 91908 |
Sardigliano | AL | 13 | 406 | 92314 |
Fraconalto | AL | 13 | 336 | 92650 |
Gavazzana | AL | 14 | 180 | 92830 |
Montaldo Bormida | AL | 14 | 664 | 93494 |
Trisobbio | AL | 15 | 655 | 94149 |
Borghetto di Borbera | AL | 15 | 1966 | 96115 |
Molare | AL | 15 | 2181 | 98296 |
Grondona | AL | 15 | 510 | 98806 |
Isola del Cantone | GE | 15 | 1540 | 100346 |
Cremolino | AL | 16 | 1086 | 101432 |
Rossiglione | GE | 16 | 2779 | 104211 |
Villalvernia | AL | 16 | 955 | 105166 |
Sant'Agata Fossili | AL | 16 | 425 | 105591 |
Orsara Bormida | AL | 16 | 424 | 106015 |
Bosco Marengo | AL | 17 | 2457 | 108472 |
Carezzano | AL | 17 | 431 | 108903 |
Ronco Scrivia | GE | 17 | 4417 | 113320 |
Campo Ligure | GE | 17 | 2955 | 116275 |
Rivalta Bormida | AL | 18 | 1446 | 117721 |
Morsasco | AL | 18 | 679 | 118400 |
Prasco | AL | 18 | 521 | 118921 |
Paderna | AL | 18 | 220 | 119141 |
Castellania | AL | 18 | 90 | 119231 |
Frugarolo | AL | 19 | 1968 | 121199 |
Cassinelle | AL | 19 | 914 | 122113 |
Spineto Scrivia | AL | 19 | 337 | 122450 |
Busalla | GE | 19 | 5563 | 128013 |
Castelnuovo Bormida | AL | 19 | 694 | 128707 |
Sezzadio | AL | 19 | 1246 | 129953 |
Costa Vescovato | AL | 19 | 335 | 130288 |
Strevi | AL | 20 | 2019 | 132307 |
Castelspina | AL | 20 | 416 | 132723 |
Carbonara Scrivia | AL | 20 | 1122 | 133845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2018-08-30 15:48:47 |
44.6862 | 8.7707 | 28 | 2019-04-24 14:51:16 |
Bollettino Sismico Italiano INGV | 67100771 |
Reviewed Rev100 |
ML 1.7 | 2018-08-30 15:48:48 |
44.6773 | 8.7707 | 26 | 2018-08-30 16:02:46 |
Sala Sismica INGV-Roma | 60385781 |
Field | Value |
---|---|
Time (UTC) | 2018-08-30 15:48:47 ± 0.09 |
Latitude | 44.6862 ± 0.0063 |
Longitude | 8.7707 ± 0.0076 |
Depth (km) | 28 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 67100771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 587 |
Semi-minor axis of confidence ellipse (meter) | 564 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 166 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 590.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.47669 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 67100771 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-04-08 09:20:33 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 60385781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-08-30 16:02:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HNZ. | 2018-08-30T15:50:34.85 | 3.0 | undecidable | manual | Sn | -8.84 | 0 | |||
IV.MMO1.EHZ. | 2018-08-30T15:50:31.66 | 3.0 | undecidable | manual | Sn | -1.92 | 0 | |||
IV.ARVD.HHZ. | 2018-08-30T15:50:20.98 | 3.0 | undecidable | manual | Sn | 0.24 | 0 | |||
IV.PAOL.HHZ. | 2018-08-30T15:50:18.87 | 3.0 | undecidable | manual | Pn | 6.41 | 0 | |||
IV.SSFR.HNZ. | 2018-08-30T15:50:17.48 | 3.0 | undecidable | manual | Sn | -1.32 | 0 | |||
IV.BSSO.HHZ. | 2018-08-30T15:50:13.13 | 3.0 | undecidable | manual | Pn | 5.07 | 0 | |||
IV.SAMA.HHZ. | 2018-08-30T15:50:04.36 | 3.0 | negative | manual | Pg | 13.65 | 0 | |||
IV.IMOL.HNZ. | 2018-08-30T15:50:01.62 | 3.0 | undecidable | manual | Sg | 7.56 | 0 | |||
IV.MMO1.EHZ. | 2018-08-30T15:49:49.73 | 3.0 | undecidable | manual | Pn | 2.92 | 0 | |||
IV.NDIM.HHZ. | 2018-08-30T15:49:38.84 | 3.0 | undecidable | manual | Sg | 0.46 | 0 | |||
IV.IMOL.HNZ. | 2018-08-30T15:49:25.98 | 3.0 | negative | manual | Pn | 1.37 | 0 | |||
IV.CAVE.HHZ. | 2018-08-30T15:49:18.85 | 3.0 | negative | manual | Pg | 2.05 | 0 | |||
CH.MMK.HHZ. | 2018-08-30T15:49:13.79 | 0.3 | undecidable | manual | P | 338 | 163.9137 | 54 | 0.34 | 51 |
GU.SATI.HHZ. | 2018-08-30T15:49:11.94 | 0.3 | undecidable | manual | P | 332 | 149.5392 | 54 | 0.28 | 56 |
IV.MSSA.HHZ. | 2018-08-30T15:49:10.20 | 1.0 | undecidable | manual | S | 125 | 71.9724 | 106 | -0.02 | 23 |
CH.MUGIO.HHZ. | 2018-08-30T15:49:09.63 | 0.3 | undecidable | manual | P | 9 | 138.6612 | 54 | -0.68 | 52 |
GU.CANO.HHZ. | 2018-08-30T15:49:09.24 | 1.0 | undecidable | manual | S | 219 | 67.8765 | 107 | 0.06 | 23 |
GU.TRAV.HHZ. | 2018-08-30T15:49:07.92 | 0.3 | undecidable | manual | P | 319 | 121.7892 | 54 | -0.28 | 60 |
IV.IMI.HHZ. | 2018-08-30T15:49:07.01 | 0.3 | undecidable | manual | P | 219 | 110.7003 | 100 | 0.37 | 60 |
IV.QLNO.HHZ. | 2018-08-30T15:49:05.24 | 0.6 | undecidable | manual | S | 220 | 52.4031 | 112 | -0.03 | 47 |
GU.ROTM.HHZ. | 2018-08-30T15:49:02.58 | 1.0 | undecidable | manual | S | 299 | 37.5291 | 121 | 0.86 | 19 |
GU.GORR.HHE. | 2018-08-30T15:49:02.91 | 0.6 | undecidable | manual | S | 102 | 42.1245 | 118 | 0.13 | 48 |
GU.CANO.HHZ. | 2018-08-30T15:49:00.26 | 0.6 | undecidable | manual | P | 219 | 67.8765 | 107 | 0.06 | 46 |
IV.MSSA.HHZ. | 2018-08-30T15:49:00.87 | 0.6 | undecidable | manual | P | 125 | 71.9724 | 106 | 0.06 | 46 |
GU.RNCA.HHZ. | 2018-08-30T15:48:59.83 | 0.6 | undecidable | manual | S | 149 | 27.75 | 130 | 0.23 | 48 |
IV.QLNO.HHZ. | 2018-08-30T15:48:58.05 | 0.3 | undecidable | manual | P | 220 | 52.4031 | 112 | 0.1 | 71 |
GU.PCP.HHZ. | 2018-08-30T15:48:58.30 | 0.6 | undecidable | manual | S | 228 | 23.9538 | 135 | -0.55 | 44 |
IV.BOB.HNE. | 2018-08-30T15:48:58.24 | 1.0 | undecidable | manual | P | 80 | 54.1014 | 111 | 0.04 | 24 |
IV.SARZ.HNZ. | 2018-08-30T15:48:58.98 | 1.0 | undecidable | manual | S | 29 | 23.0547 | 136 | 0.31 | 24 |
GU.ROTM.HHZ. | 2018-08-30T15:48:56.14 | 0.6 | undecidable | manual | P | 299 | 37.5291 | 121 | 0.24 | 47 |
GU.GORR.HHE. | 2018-08-30T15:48:56.65 | 0.3 | undecidable | manual | P | 102 | 42.1245 | 118 | 0.14 | 72 |
GU.RNCA.HHZ. | 2018-08-30T15:48:54.66 | 0.1 | negative | manual | P | 149 | 27.75 | 130 | -0.01 | 100 |
IV.SARZ.HNZ. | 2018-08-30T15:48:53.77 | 0.3 | undecidable | manual | P | 29 | 23.0547 | 136 | -0.37 | 71 |
GU.PCP.HHZ. | 2018-08-30T15:48:53.96 | 0.1 | positive | manual | P | 228 | 23.9538 | 135 | -0.28 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PCP.HHE. | ML:1.8 | 0.0002644393 | 0.2816 | AML | other | m | 2018-08-30T15:48:58.52 |
GU.PCP.HHN. | ML:1.9 | 0.0003246889 | 0.1152 | AML | other | m | 2018-08-30T15:48:59.12 |
GU.RNCA.HHE. | ML:1.4 | 0.00009781506000000002 | 0.2048 | AML | other | m | 2018-08-30T15:49:00.20 |
GU.RNCA.HHN. | ML:1.6 | 0.00013189755 | 1.7312 | AML | other | m | 2018-08-30T15:49:01.99 |
IV.QLNO.HHN. | ML:1.3 | 0.000044883174999999996 | 1.1136 | AML | other | m | 2018-08-30T15:49:05.89 |
IV.QLNO.HHE. | ML:1.5 | 0.000063305164 | 0.1792 | AML | other | m | 2018-08-30T15:49:06.19 |
IV.MSSA.HHE. | ML:1.3 | 0.000029858040000000004 | 1.3376 | AML | other | m | 2018-08-30T15:49:09.12 |
IV.IMI.HHE. | ML:1.7 | 0.00003784204 | 0.8448 | AML | other | m | 2018-08-30T15:49:09.45 |
IV.MSSA.HHN. | ML:1.2 | 0.00002525493 | 1.3216 | AML | other | m | 2018-08-30T15:49:10.27 |
GU.CANO.HHN. | ML:2.1 | 0.00018859045 | 0.32 | AML | other | m | 2018-08-30T15:49:11.60 |
GU.CANO.HHE. | ML:2.0 | 0.00015476821500000001 | 0.3968 | AML | other | m | 2018-08-30T15:49:14.05 |
GU.TRAV.HHE. | ML:2.1 | 0.000082251615 | 0.2432 | AML | other | m | 2018-08-30T15:49:23.84 |
GU.TRAV.HHN. | ML:2.1 | 0.000088807885 | 0.192 | AML | other | m | 2018-08-30T15:49:24.14 |
GU.BHB.HHE. | ML:1.4 | 0.0000178611355 | 0.2176 | AML | other | m | 2018-08-30T15:49:27.85 |
CH.MUGIO.HHE. | ML:1.4 | 0.000013281655 | 1.6928 | AML | other | m | 2018-08-30T15:49:29.98 |
CH.MUGIO.HHN. | ML:1.4 | 0.000014911054999999999 | 0.2048 | AML | other | m | 2018-08-30T15:49:29.49 |
GU.SATI.HHN. | ML:1.8 | 0.000035752634999999996 | 0.1664 | AML | other | m | 2018-08-30T15:49:31.87 |
GU.SATI.HHE. | ML:1.9 | 0.000040677685 | 0.128 | AML | other | m | 2018-08-30T15:49:31.81 |
IV.IMI.HHN. | ML:1.7 | 0.00004428468 | 1.1392 | AML | other | m | 2018-08-30T15:49:43.11 |
GU.BHB.HHN. | ML:1.1 | 0.000011978535 | 1.3856 | AML | other | m | 2018-08-30T15:49:49.83 |