A magnitude ML 1.5 earthquake occured in region: 4 km E Oviglio (AL), on
and geographic coordinates (lat, lon) 44.8720, 8.5320 at 38 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 |
---|---|---|---|---|
Oviglio | AL | 4 | 1265 | 1265 |
Borgoratto Alessandrino | AL | 4 | 584 | 1849 |
Castellazzo Bormida | AL | 5 | 4570 | 6419 |
Frascaro | AL | 5 | 440 | 6859 |
Solero | AL | 6 | 1645 | 8504 |
Carentino | AL | 7 | 340 | 8844 |
Gamalero | AL | 7 | 844 | 9688 |
Bergamasco | AL | 8 | 744 | 10432 |
Felizzano | AL | 8 | 2344 | 12776 |
Casal Cermelli | AL | 8 | 1234 | 14010 |
Alessandria | AL | 8 | 93943 | 107953 |
Castelspina | AL | 8 | 416 | 108369 |
Quargnento | AL | 9 | 1398 | 109767 |
Masio | AL | 10 | 1420 | 111187 |
Sezzadio | AL | 10 | 1246 | 112433 |
Quattordio | AL | 10 | 1637 | 114070 |
Bruno | AT | 11 | 321 | 114391 |
Castelnuovo Belbo | AT | 12 | 895 | 115286 |
Frugarolo | AL | 12 | 1968 | 117254 |
Castelletto Monferrato | AL | 13 | 1537 | 118791 |
Bosco Marengo | AL | 13 | 2457 | 121248 |
Mombaruzzo | AT | 13 | 1117 | 122365 |
Maranzana | AT | 13 | 277 | 122642 |
Fubine | AL | 13 | 1653 | 124295 |
Cerro Tanaro | AT | 13 | 626 | 124921 |
Cassine | AL | 14 | 2961 | 127882 |
Incisa Scapaccino | AT | 14 | 2288 | 130170 |
Pietra Marazzi | AL | 14 | 904 | 131074 |
San Salvatore Monferrato | AL | 14 | 4299 | 135373 |
Castelnuovo Bormida | AL | 14 | 694 | 136067 |
Cortiglione | AT | 15 | 571 | 136638 |
Cuccaro Monferrato | AL | 15 | 340 | 136978 |
Rocchetta Tanaro | AT | 15 | 1450 | 138428 |
Quaranti | AT | 15 | 183 | 138611 |
Lu | AL | 15 | 1122 | 139733 |
Montecastello | AL | 15 | 321 | 140054 |
Castelletto Molina | AT | 15 | 180 | 140234 |
Fresonara | AL | 16 | 731 | 140965 |
Fontanile | AT | 16 | 567 | 141532 |
Ricaldone | AL | 16 | 684 | 142216 |
Belveglio | AT | 16 | 350 | 142566 |
Refrancore | AT | 17 | 1591 | 144157 |
Predosa | AL | 17 | 2048 | 146205 |
Castello di Annone | AT | 17 | 1860 | 148065 |
Pecetto di Valenza | AL | 17 | 1267 | 149332 |
Vaglio Serra | AT | 17 | 275 | 149607 |
Alice Bel Colle | AL | 17 | 766 | 150373 |
Nizza Monferrato | AT | 18 | 10429 | 160802 |
Conzano | AL | 18 | 979 | 161781 |
Rivalta Bormida | AL | 18 | 1446 | 163227 |
Basaluzzo | AL | 18 | 2087 | 165314 |
Vinchio | AT | 18 | 601 | 165915 |
Altavilla Monferrato | AL | 18 | 468 | 166383 |
Viarigi | AT | 18 | 929 | 167312 |
Camagna Monferrato | AL | 18 | 528 | 167840 |
Mirabello Monferrato | AL | 18 | 1374 | 169214 |
Valenza | AL | 18 | 19178 | 188392 |
Rivarone | AL | 19 | 381 | 188773 |
Vignale Monferrato | AL | 19 | 1006 | 189779 |
Piovera | AL | 19 | 851 | 190630 |
Strevi | AL | 19 | 2019 | 192649 |
Castel Rocchero | AT | 19 | 395 | 193044 |
Rocca d'Arazzo | AT | 19 | 936 | 193980 |
Mombercelli | AT | 20 | 2259 | 196239 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-11-13 02:13:42 |
44.8717 | 8.5315 | 38 | 2022-03-30 13:04:29 |
Bollettino Sismico Italiano INGV | 99644561 |
Reviewed Rev100 |
ML 1.4 | 2021-11-13 02:13:42 |
44.8587 | 8.5135 | 42 | 2021-11-13 02:25:19 |
Sala Sismica INGV-Roma | 97428311 |
Field | Value |
---|---|
Time (UTC) | 2021-11-13 02:13:42 ± 0.15 |
Latitude | 44.8717 ± 0.0117 |
Longitude | 8.5315 ± 0.0165 |
Depth (km) | 38 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99644561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1263 |
Semi-minor axis of confidence ellipse (meter) | 1258 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 258 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 80 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.12860 |
Epicentral distance of station farthest from the epicenter (degree) | 1.24376 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 99644561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-01-11 16:39:28 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97428311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-13 02:25:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.MGRO.HHN. | 2021-11-13T02:14:13.78 | 0.6 | undecidable | manual | S | 212 | 108.3138 | 54 | 0.79 | 33 |
GU.RORO.HHE. | 2021-11-13T02:14:09.60 | 0.6 | undecidable | manual | S | 204 | 91.9413 | 54 | 0.15 | 42 |
GU.GBOS.HHZ. | 2021-11-13T02:14:08.80 | 0.3 | undecidable | manual | S | 218 | 88.7445 | 54 | 0.03 | 65 |
GU.CANO.HHZ. | 2021-11-13T02:14:06.10 | 0.6 | undecidable | manual | S | 198 | 77.2671 | 54 | -0.2 | 43 |
GU.GORR.HHE. | 2021-11-13T02:14:04.10 | 0.6 | undecidable | manual | S | 116 | 66.7776 | 54 | 0.07 | 45 |
CH.MMK.HHN. | 2021-11-13T02:14:04.10 | 0.3 | undecidable | manual | P | 342 | 138.0618 | 54 | 0.36 | 55 |
IV.QLNO.HHZ. | 2021-11-13T02:14:02.80 | 0.3 | undecidable | manual | S | 194 | 62.493 | 54 | -0.31 | 65 |
GU.RNCA.HHZ. | 2021-11-13T02:14:01.90 | 0.3 | undecidable | manual | S | 143 | 55.4001 | 120 | 0.33 | 65 |
GU.PZZ.HHE. | 2021-11-13T02:14:01.79 | 0.3 | undecidable | manual | P | 251 | 118.7922 | 54 | 0.45 | 56 |
CH.MUGIO.HHN. | 2021-11-13T02:14:00.61 | 0.3 | undecidable | manual | P | 19 | 123.0879 | 54 | -1.27 | 38 |
GU.MGRO.HHN. | 2021-11-13T02:14:00.78 | 0.3 | undecidable | manual | P | 212 | 108.3138 | 54 | 0.74 | 51 |
GU.RSP.HNN. | 2021-11-13T02:13:59.21 | 0.3 | undecidable | manual | P | 288 | 103.9182 | 54 | -0.29 | 60 |
GU.ENR.HHN. | 2021-11-13T02:13:59.77 | 0.6 | undecidable | manual | P | 231 | 113.1978 | 54 | -0.88 | 32 |
GU.RORO.HHE. | 2021-11-13T02:13:57.73 | 0.1 | undecidable | manual | P | 204 | 91.9413 | 54 | -0.27 | 82 |
GU.GBOS.HHZ. | 2021-11-13T02:13:57.66 | 0.1 | undecidable | manual | P | 218 | 88.7445 | 54 | 0.05 | 86 |
GU.PCP.HHZ. | 2021-11-13T02:13:57.10 | 0.3 | undecidable | manual | S | 178 | 36.6411 | 132 | -0.42 | 66 |
IV.BOB.HNE. | 2021-11-13T02:13:57.62 | 0.3 | undecidable | manual | P | 99 | 72.9714 | 54 | 1.97 | 27 |
GU.CANO.HHZ. | 2021-11-13T02:13:56.05 | 0.1 | undecidable | manual | P | 198 | 77.2671 | 54 | -0.13 | 87 |
GU.ROTM.HHZ. | 2021-11-13T02:13:55.00 | 0.3 | undecidable | manual | S | 260 | 14.2746 | 158 | 0.96 | 57 |
IV.QLNO.HHZ. | 2021-11-13T02:13:54.26 | 0.1 | undecidable | manual | P | 194 | 62.493 | 54 | -0.08 | 91 |
GU.GENL.EHN. | 2021-11-13T02:13:54.29 | 0.3 | undecidable | manual | P | 146 | 62.1933 | 54 | -0.01 | 69 |
GU.GORR.HHE. | 2021-11-13T02:13:54.84 | 0.3 | undecidable | manual | P | 116 | 66.7776 | 54 | -0.03 | 68 |
GU.RNCA.HHZ. | 2021-11-13T02:13:53.28 | 0.1 | undecidable | manual | P | 143 | 55.4001 | 120 | -0.17 | 90 |
IV.MONC.HHE. | 2021-11-13T02:13:52.91 | 0.1 | undecidable | manual | P | 296 | 52.503 | 122 | -0.15 | 90 |
GU.PCP.HHZ. | 2021-11-13T02:13:50.70 | 0.1 | undecidable | manual | P | 178 | 36.6411 | 132 | -0.41 | 88 |
GU.ROTM.HHZ. | 2021-11-13T02:13:49.14 | 0.1 | negative | manual | P | 260 | 14.2746 | 158 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.ROTM.HHE. | ML:1.8 | 0.00022060530000000001 | 0.2 | AML | other | m | 2021-11-13T02:13:55.20 |
GU.ROTM.HHN. | ML:1.7 | 0.0001726845915 | 0.1792 | AML | other | m | 2021-11-13T02:13:55.37 |
GU.PCP.HHE. | ML:1.4 | 0.00006129017 | 0.2592 | AML | other | m | 2021-11-13T02:13:57.47 |
GU.PCP.HHN. | ML:1.1 | 0.0000300057 | 0.12 | AML | other | m | 2021-11-13T02:13:58.16 |
GU.RNCA.HHE. | ML:1.3 | 0.000033727859999999997 | 0.2992 | AML | other | m | 2021-11-13T02:14:03.22 |
IV.QLNO.HHE. | ML:1.1 | 0.000020291354999999997 | 0.2592 | AML | other | m | 2021-11-13T02:14:04.41 |
GU.CANO.HHE. | ML:2.3 | 0.00025658075 | 0.3408 | AML | other | m | 2021-11-13T02:14:07.52 |
GU.CANO.HHN. | ML:2.2 | 0.00020400000000000003 | 0.28 | AML | other | m | 2021-11-13T02:14:07.53 |