A magnitude ML 0.9 earthquake occured in region: 1 km E Mombaldone (AT), on
and geographic coordinates (lat, lon) 44.5670, 8.3470 at 14 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Mombaldone | AT | 1 | 209 | 209 |
Spigno Monferrato | AL | 3 | 1050 | 1259 |
Denice | AL | 4 | 176 | 1435 |
Montechiaro d'Acqui | AL | 4 | 560 | 1995 |
Malvicino | AL | 5 | 85 | 2080 |
Pareto | AL | 6 | 554 | 2634 |
Cartosio | AL | 6 | 747 | 3381 |
Merana | AL | 7 | 189 | 3570 |
Roccaverano | AT | 7 | 399 | 3969 |
Serole | AT | 7 | 123 | 4092 |
Ponti | AL | 7 | 606 | 4698 |
Castelletto d'Erro | AL | 8 | 148 | 4846 |
Olmo Gentile | AT | 8 | 80 | 4926 |
Monastero Bormida | AT | 9 | 931 | 5857 |
Ponzone | AL | 9 | 1051 | 6908 |
Piana Crixia | SV | 10 | 788 | 7696 |
San Giorgio Scarampi | AT | 10 | 122 | 7818 |
Mioglia | SV | 10 | 526 | 8344 |
Melazzo | AL | 11 | 1325 | 9669 |
Bistagno | AL | 11 | 1887 | 11556 |
Perletto | CN | 11 | 292 | 11848 |
Cavatore | AL | 11 | 291 | 12139 |
Sessame | AT | 11 | 271 | 12410 |
Bubbio | AT | 12 | 893 | 13303 |
Vesime | AT | 12 | 622 | 13925 |
Cessole | AT | 12 | 403 | 14328 |
Cortemilia | CN | 12 | 2331 | 16659 |
Pezzolo Valle Uzzone | CN | 12 | 344 | 17003 |
Terzo | AL | 13 | 923 | 17926 |
Bergolo | CN | 13 | 71 | 17997 |
Dego | SV | 13 | 1985 | 19982 |
Loazzolo | AT | 13 | 359 | 20341 |
Grognardo | AL | 14 | 259 | 20600 |
Giusvalla | SV | 14 | 441 | 21041 |
Morbello | AL | 14 | 402 | 21443 |
Cassinasco | AT | 14 | 611 | 22054 |
Castino | CN | 14 | 483 | 22537 |
Sassello | SV | 15 | 1777 | 24314 |
Montabone | AT | 15 | 333 | 24647 |
Castelletto Uzzone | CN | 15 | 331 | 24978 |
Torre Bormida | CN | 15 | 200 | 25178 |
Pontinvrea | SV | 15 | 847 | 26025 |
Levice | CN | 15 | 231 | 26256 |
Rocchetta Palafea | AT | 16 | 338 | 26594 |
Rocchetta Belbo | CN | 16 | 167 | 26761 |
Acqui Terme | AL | 16 | 19896 | 46657 |
Bosia | CN | 16 | 177 | 46834 |
Cossano Belbo | CN | 16 | 958 | 47792 |
Visone | AL | 16 | 1194 | 48986 |
Cravanzana | CN | 17 | 411 | 49397 |
Castel Boglione | AT | 17 | 609 | 50006 |
Cassinelle | AL | 18 | 914 | 50920 |
Canelli | AT | 18 | 10485 | 61405 |
Gorzegno | CN | 18 | 304 | 61709 |
Castel Rocchero | AT | 18 | 395 | 62104 |
Borgomale | CN | 18 | 381 | 62485 |
Santo Stefano Belbo | CN | 18 | 3984 | 66469 |
Prunetto | CN | 18 | 451 | 66920 |
Gottasecca | CN | 18 | 148 | 67068 |
Prasco | AL | 18 | 521 | 67589 |
Arguello | CN | 19 | 199 | 67788 |
Camo | CN | 19 | 201 | 67989 |
Calamandrana | AT | 19 | 1761 | 69750 |
Feisoglio | CN | 19 | 316 | 70066 |
Morsasco | AL | 19 | 679 | 70745 |
Cairo Montenotte | SV | 19 | 13269 | 84014 |
Alice Bel Colle | AL | 20 | 766 | 84780 |
Cerretto Langhe | CN | 20 | 442 | 85222 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-13 00:34:54 |
44.5673 | 8.3472 | 14 | 2021-10-13 00:47:39 |
Sala Sismica INGV-Roma | 96483321 |
Field | Value |
---|---|
Time (UTC) | 2021-10-13 00:34:54 ± 0.2 |
Latitude | 44.5673 ± 0.0063 |
Longitude | 8.3472 ± 0.0151 |
Depth (km) | 14 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96483321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 889 |
Semi-minor axis of confidence ellipse (meter) | 852 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.35 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.79680 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 96483321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-13 00:47:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GRAM.HHZ. | 2021-10-13T00:35:21.30 | 3.0 | undecidable | manual | P | 3.18 | 0 | |||
GU.STV.HHZ. | 2021-10-13T00:35:20.33 | 0.6 | undecidable | manual | S | 247 | 88.4448 | 92 | -0.55 | 39 |
GU.ENR.HHZ. | 2021-10-13T00:35:18.49 | 0.6 | undecidable | manual | S | 243 | 82.6506 | 92 | -0.83 | 35 |
GU.MGRO.HHZ. | 2021-10-13T00:35:16.55 | 0.3 | undecidable | manual | S | 217 | 72.2721 | 93 | -0.01 | 70 |
GU.GBOS.HHZ. | 2021-10-13T00:35:11.10 | 0.1 | undecidable | manual | S | 228 | 54.0015 | 94 | -0.61 | 82 |
GU.RORO.HHZ. | 2021-10-13T00:35:11.59 | 0.3 | undecidable | manual | S | 204 | 55.1004 | 94 | -0.41 | 66 |
GU.STV.HHZ. | 2021-10-13T00:35:10.31 | 0.3 | undecidable | manual | P | 247 | 88.4448 | 92 | 0.45 | 64 |
GU.ENR.HHZ. | 2021-10-13T00:35:09.31 | 0.3 | undecidable | manual | P | 243 | 82.6506 | 92 | 0.35 | 66 |
GU.CANO.HHZ. | 2021-10-13T00:35:08.07 | 0.3 | undecidable | manual | S | 192 | 40.8258 | 96 | -0.13 | 72 |
GU.MGRO.HHZ. | 2021-10-13T00:35:07.98 | 0.3 | undecidable | manual | P | 217 | 72.2721 | 93 | 0.62 | 64 |
GU.ROTM.HHZ. | 2021-10-13T00:35:05.59 | 0.3 | undecidable | manual | S | 1 | 31.2465 | 99 | -0.08 | 71 |
GU.GBOS.HHZ. | 2021-10-13T00:35:04.92 | 0.3 | undecidable | manual | P | 228 | 54.0015 | 94 | 0.36 | 70 |
GU.RORO.HHZ. | 2021-10-13T00:35:04.92 | 0.1 | undecidable | manual | P | 204 | 55.1004 | 94 | 0.19 | 96 |
IV.QLNO.HHZ. | 2021-10-13T00:35:04.46 | 0.3 | undecidable | manual | S | 180 | 26.9508 | 102 | -0.07 | 75 |
GU.CANO.HHZ. | 2021-10-13T00:35:02.81 | 0.1 | undecidable | manual | P | 192 | 40.8258 | 96 | 0.27 | 97 |
GU.PCP.HHZ. | 2021-10-13T00:35:01.28 | 0.1 | undecidable | manual | S | 100 | 15.9729 | 118 | -0.47 | 89 |
IV.QLNO.HHZ. | 2021-10-13T00:35:00.79 | 0.1 | undecidable | manual | P | 180 | 26.9508 | 102 | 0.37 | 97 |
GU.ROTM.HHZ. | 2021-10-13T00:35:00.97 | 0.1 | undecidable | manual | P | 1 | 31.2465 | 99 | -0.1 | 95 |
GU.PCP.HHZ. | 2021-10-13T00:34:58.76 | 0.1 | undecidable | manual | P | 100 | 15.9729 | 118 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.PCP.HHN. | ML:0.9 | 0.000062771925 | 0.12 | AML | other | m | 2021-10-13T00:35:01.55 |
GU.PCP.HHE. | ML:1.0 | 0.00008735 | 0.56 | AML | other | m | 2021-10-13T00:35:01.40 |
IV.QLNO.HHE. | ML:0.5 | 0.000016831553999999997 | 0.08 | AML | other | m | 2021-10-13T00:35:05.30 |
IV.QLNO.HHN. | ML:0.3 | 0.000012488978500000001 | 0.14 | AML | other | m | 2021-10-13T00:35:05.56 |
GU.ROTM.HHE. | ML:1.2 | 0.00007019816 | 0.36 | AML | other | m | 2021-10-13T00:35:11.93 |
GU.ROTM.HHN. | ML:1.4 | 0.00010424672500000001 | 0.32 | AML | other | m | 2021-10-13T00:35:05.83 |
GU.CANO.HHN. | ML:1.1 | 0.000047322375 | 0.22 | AML | other | m | 2021-10-13T00:35:08.78 |
GU.RORO.HHE. | ML:2.0 | 0.00025149135 | 1.02 | AML | other | m | 2021-10-13T00:35:15.21 |
GU.RORO.HHN. | ML:0.6 | 0.000011892440000000001 | 0.12 | AML | other | m | 2021-10-13T00:35:11.87 |
GU.GBOS.HHE. | ML:0.6 | 0.0000109702505 | 0.12 | AML | other | m | 2021-10-13T00:35:12.02 |
GU.GBOS.HHN. | ML:0.6 | 0.000010941445000000001 | 0.12 | AML | other | m | 2021-10-13T00:35:11.28 |
GU.MGRO.HHN. | ML:1.3 | 0.00003039045 | 1.42 | AML | other | m | 2021-10-13T00:35:15.22 |
GU.ENR.HHE. | ML:0.9 | 0.00000882007 | 0.1 | AML | other | m | 2021-10-13T00:35:21.35 |
GU.ENR.HHN. | ML:0.9 | 0.000010880933000000001 | 0.14 | AML | other | m | 2021-10-13T00:35:20.51 |