A magnitude ML 1.7 earthquake occured in region: 4 km W Pietra Marazzi (AL), on
and geographic coordinates (lat, lon) 44.9580, 8.6220 at 35 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 |
---|---|---|---|---|
Pietra Marazzi | AL | 4 | 904 | 904 |
Alessandria | AL | 5 | 93943 | 94847 |
Castelletto Monferrato | AL | 5 | 1537 | 96384 |
Montecastello | AL | 5 | 321 | 96705 |
Pecetto di Valenza | AL | 5 | 1267 | 97972 |
San Salvatore Monferrato | AL | 6 | 4299 | 102271 |
Valenza | AL | 7 | 19178 | 121449 |
Rivarone | AL | 8 | 381 | 121830 |
Piovera | AL | 9 | 851 | 122681 |
Solero | AL | 10 | 1645 | 124326 |
Bassignana | AL | 10 | 1709 | 126035 |
Quargnento | AL | 11 | 1398 | 127433 |
Frascarolo | PV | 11 | 1209 | 128642 |
Mirabello Monferrato | AL | 12 | 1374 | 130016 |
Lu | AL | 12 | 1122 | 131138 |
Torre Beretti e Castellaro | PV | 12 | 567 | 131705 |
Pomaro Monferrato | AL | 12 | 355 | 132060 |
Giarole | AL | 12 | 718 | 132778 |
Bozzole | AL | 12 | 319 | 133097 |
Suardi | PV | 13 | 624 | 133721 |
Alluvioni CambiĆ² | AL | 13 | 912 | 134633 |
Castellazzo Bormida | AL | 13 | 4570 | 139203 |
Casal Cermelli | AL | 13 | 1234 | 140437 |
Cuccaro Monferrato | AL | 14 | 340 | 140777 |
Gambarana | PV | 14 | 225 | 141002 |
Frugarolo | AL | 14 | 1968 | 142970 |
Occimiano | AL | 15 | 1319 | 144289 |
Conzano | AL | 15 | 979 | 145268 |
Borgoratto Alessandrino | AL | 15 | 584 | 145852 |
Sale | AL | 15 | 4172 | 150024 |
Oviglio | AL | 15 | 1265 | 151289 |
Fubine | AL | 15 | 1653 | 152942 |
Bosco Marengo | AL | 16 | 2457 | 155399 |
Felizzano | AL | 16 | 2344 | 157743 |
Frascaro | AL | 16 | 440 | 158183 |
Valmacca | AL | 16 | 1021 | 159204 |
Camagna Monferrato | AL | 16 | 528 | 159732 |
Ticineto | AL | 17 | 1371 | 161103 |
Borgo San Martino | AL | 17 | 1428 | 162531 |
Castelspina | AL | 17 | 416 | 162947 |
Gamalero | AL | 18 | 844 | 163791 |
Pieve del Cairo | PV | 18 | 2063 | 165854 |
Sartirana Lomellina | PV | 18 | 1657 | 167511 |
Mede | PV | 18 | 6693 | 174204 |
Quattordio | AL | 18 | 1637 | 175841 |
Carentino | AL | 19 | 340 | 176181 |
Vignale Monferrato | AL | 19 | 1006 | 177187 |
Guazzora | AL | 19 | 305 | 177492 |
Breme | PV | 19 | 800 | 178292 |
Masio | AL | 19 | 1420 | 179712 |
Bergamasco | AL | 19 | 744 | 180456 |
Sezzadio | AL | 19 | 1246 | 181702 |
Altavilla Monferrato | AL | 20 | 468 | 182170 |
Villa Biscossi | PV | 20 | 78 | 182248 |
Terruggia | AL | 20 | 936 | 183184 |
Isola Sant'Antonio | AL | 20 | 717 | 183901 |
Fresonara | AL | 20 | 731 | 184632 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2022-12-05 16:47:24 |
44.9575 | 8.6217 | 35 | 2024-03-01 15:28:10 |
Bollettino Sismico Italiano INGV | 112864581 |
Reviewed Rev100 |
ML 2.0 | 2022-12-05 16:47:24 |
45.0058 | 8.6048 | 37 | 2022-12-05 17:28:25 |
Sala Sismica INGV-Roma | 112536591 |
Field | Value |
---|---|
Time (UTC) | 2022-12-05 16:47:24 ± 0.13 |
Latitude | 44.9575 ± 0.0081 |
Longitude | 8.6217 ± 0.0153 |
Depth (km) | 35 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 112864581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1186 |
Semi-minor axis of confidence ellipse (meter) | 908 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 110 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1190.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 46 |
Number of defining phases | 37 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.42 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.40744 |
Number of stations at which the event was observed | 32 |
Number of stations from which data was used for origin computation | 24 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 112864581 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-06-28 09:21:37 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 112536591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-12-05 17:28:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RF.GEPF.HHZ. | 2022-12-05T16:49:19.76 | 3.0 | undecidable | manual | Sg | 6.59 | 0 | |||
IV.FAGN.HHZ. | 2022-12-05T16:49:18.94 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
OT.TAR1.HHZ. | 2022-12-05T16:49:15.94 | 3.0 | undecidable | manual | Pn | -9.77 | 0 | |||
IV.BARO.EHZ. | 2022-12-05T16:49:07.26 | 3.0 | undecidable | manual | Sn | -9.72 | 0 | |||
IV.RIBO.EHZ.01 | 2022-12-05T16:48:52.68 | 3.0 | undecidable | manual | Sg | 0.64 | 0 | |||
IV.VCEL.EHZ. | 2022-12-05T16:48:48.99 | 3.0 | positive | manual | Pg | 7.28 | 0 | |||
IV.PP3.EHZ. | 2022-12-05T16:48:37.01 | 3.0 | undecidable | manual | Pg | 3.8 | 0 | |||
GU.FRON.EHZ. | 2022-12-05T16:48:23.77 | 3.0 | undecidable | manual | Sg | 0 | ||||
GU.FRON.EHZ. | 2022-12-05T16:48:22.71 | 3.0 | undecidable | manual | Pn | 0 | ||||
CH.MMK.HHN. | 2022-12-05T16:48:01.44 | 0.6 | undecidable | manual | S | 337 | 131.5683 | 54 | 0.6 | 38 |
GU.ENR.HHZ. | 2022-12-05T16:48:00.01 | 0.6 | undecidable | manual | S | 230 | 124.7862 | 54 | 0.65 | 37 |
GU.CIRO.HHZ. | 2022-12-05T16:47:56.54 | 0.6 | undecidable | manual | S | 311 | 108.9132 | 54 | 0.58 | 40 |
GU.RORO.HHZ. | 2022-12-05T16:47:55.08 | 0.6 | undecidable | manual | S | 205 | 103.5186 | 54 | 0.29 | 43 |
GU.GBOS.HHZ. | 2022-12-05T16:47:54.22 | 0.3 | undecidable | manual | S | 218 | 100.6215 | 54 | 0.06 | 68 |
GU.TRAV.HHZ. | 2022-12-05T16:47:51.77 | 0.6 | undecidable | manual | S | 312 | 92.0412 | 54 | -0.54 | 42 |
GU.CANO.HHZ. | 2022-12-05T16:47:51.73 | 0.6 | undecidable | manual | S | 200 | 88.5447 | 54 | 0.16 | 46 |
CH.DIX.HHN. | 2022-12-05T16:47:49.31 | 0.6 | undecidable | manual | P | 323 | 156.2214 | 54 | 0.66 | 34 |
IV.QLNO.HHE. | 2022-12-05T16:47:47.45 | 0.6 | undecidable | manual | S | 197 | 73.5708 | 111 | -0.56 | 43 |
IV.BOB.HHE. | 2022-12-05T16:47:47.05 | 0.6 | undecidable | manual | S | 108 | 68.2761 | 113 | 0.35 | 46 |
GU.STV.HHZ. | 2022-12-05T16:47:46.12 | 0.1 | undecidable | manual | P | 233 | 129.2706 | 54 | 0.83 | 68 |
FR.SAOF.HHE.00 | 2022-12-05T16:47:46.16 | 1.0 | undecidable | manual | P | 219 | 136.9629 | 54 | -0.1 | 21 |
CH.MMK.HHN. | 2022-12-05T16:47:45.74 | 0.1 | undecidable | manual | P | 337 | 131.5683 | 54 | 0.16 | 84 |
GU.PZZ.HHE. | 2022-12-05T16:47:45.20 | 0.6 | undecidable | manual | P | 248 | 128.7711 | 54 | -0.04 | 43 |
GU.GORR.HHZ. | 2022-12-05T16:47:45.41 | 0.6 | undecidable | manual | S | 126 | 65.5899 | 113 | -0.63 | 41 |
GU.ENR.HHZ. | 2022-12-05T16:47:44.64 | 0.3 | undecidable | manual | P | 230 | 124.7862 | 54 | -0.09 | 65 |
GU.RNCA.HHE. | 2022-12-05T16:47:44.78 | 0.6 | undecidable | manual | S | 154 | 59.8956 | 116 | 0.12 | 49 |
GU.LSD.HHN. | 2022-12-05T16:47:44.31 | 0.3 | undecidable | manual | P | 296 | 128.871 | 54 | -0.94 | 49 |
CH.MUGIO.HHE. | 2022-12-05T16:47:43.53 | 0.6 | undecidable | manual | P | 17 | 111.8991 | 54 | 0.4 | 42 |
GU.MGRO.HHN. | 2022-12-05T16:47:43.64 | 0.3 | undecidable | manual | P | 213 | 120.1908 | 54 | -0.52 | 59 |
GU.GBOS.HHZ. | 2022-12-05T16:47:42.24 | 0.3 | undecidable | manual | P | 218 | 100.6215 | 54 | 0.51 | 62 |
GU.CIRO.HHZ. | 2022-12-05T16:47:42.11 | 0.1 | undecidable | manual | P | 311 | 108.9132 | 54 | -0.66 | 76 |
GU.RORO.HHZ. | 2022-12-05T16:47:42.66 | 0.1 | undecidable | manual | P | 205 | 103.5186 | 54 | 0.57 | 80 |
IV.VARE.HHE. | 2022-12-05T16:47:42.75 | 0.6 | undecidable | manual | P | 6 | 101.6205 | 54 | 0.9 | 36 |
GU.RSP.HNN. | 2022-12-05T16:47:41.27 | 0.3 | undecidable | manual | P | 282 | 108.4137 | 54 | -1.43 | 40 |
GU.BHB.HHZ. | 2022-12-05T16:47:41.61 | 0.1 | undecidable | manual | P | 263 | 107.6145 | 54 | -0.99 | 67 |
GU.CANO.HHZ. | 2022-12-05T16:47:40.44 | 1.0 | undecidable | manual | P | 200 | 88.5447 | 54 | 0.21 | 23 |
GU.PCP.HHZ. | 2022-12-05T16:47:40.69 | 0.6 | undecidable | manual | S | 187 | 46.5201 | 123 | -0.85 | 40 |
GU.TRAV.HHZ. | 2022-12-05T16:47:40.01 | 0.1 | undecidable | manual | P | 312 | 92.0412 | 54 | -0.64 | 79 |
IV.QLNO.HHE. | 2022-12-05T16:47:38.25 | 0.1 | undecidable | manual | P | 197 | 73.5708 | 111 | 0.08 | 95 |
GU.RNCA.HHE. | 2022-12-05T16:47:37.03 | 0.3 | undecidable | manual | P | 154 | 59.8956 | 116 | 0.79 | 60 |
GU.ROTM.HHZ. | 2022-12-05T16:47:37.86 | 0.6 | undecidable | manual | S | 241 | 24.3534 | 142 | 0.75 | 42 |
IV.BOB.HHE. | 2022-12-05T16:47:37.40 | 0.1 | undecidable | manual | P | 108 | 68.2761 | 113 | -0.02 | 96 |
GU.GORR.HHZ. | 2022-12-05T16:47:36.72 | 0.1 | undecidable | manual | P | 126 | 65.5899 | 113 | -0.32 | 91 |
IV.MONC.HHN. | 2022-12-05T16:47:36.30 | 0.3 | undecidable | manual | P | 284 | 55.9995 | 117 | 0.6 | 64 |
GU.PCP.HHZ. | 2022-12-05T16:47:34.09 | 0.1 | undecidable | manual | P | 187 | 46.5201 | 123 | -0.35 | 95 |
GU.ROTM.HHZ. | 2022-12-05T16:47:32.15 | 0.1 | positive | manual | P | 241 | 24.3534 | 142 | 0.27 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.ROTM.HHN. | ML:2.2 | 0.000469028 | 0.1664 | AML | other | m | 2022-12-05T16:47:37.93 |
GU.ROTM.HHE. | ML:1.9 | 0.0002551476 | 0.1152 | AML | other | m | 2022-12-05T16:47:38.43 |
GU.PCP.HHE. | ML:1.5 | 0.00007115 | 1.28 | AML | other | m | 2022-12-05T16:47:40.05 |
GU.PCP.HHN. | ML:1.5 | 0.00007135 | 0.6 | AML | other | m | 2022-12-05T16:47:41.39 |
GU.TRAV.HHN. | ML:2.2 | 0.000175 | 0.26 | AML | other | m | 2022-12-05T16:47:53.06 |
GU.CANO.HHE. | ML:2.3 | 0.000228 | 1.06 | AML | other | m | 2022-12-05T16:47:53.09 |
GU.TRAV.HHE. | ML:2.2 | 0.000155 | 1.72 | AML | other | m | 2022-12-05T16:47:53.97 |
GU.CANO.HHN. | ML:2.0 | 0.00010745000000000001 | 0.7 | AML | other | m | 2022-12-05T16:47:53.83 |
GU.GBOS.HHN. | ML:1.4 | 0.0000273 | 1.06 | AML | other | m | 2022-12-05T16:47:55.40 |
GU.RORO.HHE. | ML:1.6 | 0.000034149999999999997 | 0.58 | AML | other | m | 2022-12-05T16:47:56.95 |
GU.RORO.HHN. | ML:1.6 | 0.000034149999999999997 | 1.24 | AML | other | m | 2022-12-05T16:47:56.34 |
GU.GBOS.HHE. | ML:1.2 | 0.000017233617 | 0.3072 | AML | other | m | 2022-12-05T16:47:57.51 |
GU.CIRO.HHE. | ML:1.8 | 0.00005285 | 0.18 | AML | other | m | 2022-12-05T16:47:57.47 |
GU.CIRO.HHN. | ML:1.8 | 0.000053099999999999996 | 0.82 | AML | other | m | 2022-12-05T16:47:57.47 |
GU.BHB.HHN. | ML:1.8 | 0.000052000000000000004 | 0.46 | AML | other | m | 2022-12-05T16:47:58.53 |
GU.BHB.HHE. | ML:1.6 | 0.0000368 | 1.6 | AML | other | m | 2022-12-05T16:47:58.88 |
GU.ENR.HHE. | ML:1.7 | 0.0000363 | 0.74 | AML | other | m | 2022-12-05T16:48:03.60 |
GU.STV.HHN. | ML:1.4 | 0.00001571159 | 0.3584 | AML | other | m | 2022-12-05T16:48:03.77 |
GU.STV.HHE. | ML:1.4 | 0.000016152075 | 0.4608 | AML | other | m | 2022-12-05T16:48:05.86 |
GU.ENR.HHN. | ML:1.6 | 0.000024449999999999998 | 1.36 | AML | other | m | 2022-12-05T16:48:07.15 |