A magnitude ML 1.0 earthquake occured in region: 1 km NW Savignone (GE), on
and geographic coordinates (lat, lon) 44.5700, 8.9860 at 10 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 |
---|---|---|---|---|
Savignone | GE | 1 | 3205 | 3205 |
Busalla | GE | 3 | 5563 | 8768 |
Crocefieschi | GE | 4 | 548 | 9316 |
Casella | GE | 4 | 3144 | 12460 |
Ronco Scrivia | GE | 5 | 4417 | 16877 |
Vobbia | GE | 6 | 409 | 17286 |
Valbrevenna | GE | 7 | 798 | 18084 |
Mignanego | GE | 7 | 3675 | 21759 |
Montoggio | GE | 8 | 2067 | 23826 |
Serra Riccò | GE | 8 | 7885 | 31711 |
Isola del Cantone | GE | 9 | 1540 | 33251 |
Fraconalto | AL | 9 | 336 | 33587 |
Sant'Olcese | GE | 10 | 5906 | 39493 |
Mongiardino Ligure | AL | 10 | 165 | 39658 |
Campomorone | GE | 10 | 6996 | 46654 |
Ceranesi | GE | 10 | 3875 | 50529 |
Roccaforte Ligure | AL | 13 | 136 | 50665 |
Voltaggio | AL | 13 | 738 | 51403 |
Davagna | GE | 14 | 1884 | 53287 |
Grondona | AL | 14 | 510 | 53797 |
Cabella Ligure | AL | 15 | 528 | 54325 |
Torriglia | GE | 15 | 2311 | 56636 |
Arquata Scrivia | AL | 15 | 6409 | 63045 |
Carrosio | AL | 16 | 510 | 63555 |
Propata | GE | 16 | 142 | 63697 |
Rocchetta Ligure | AL | 16 | 200 | 63897 |
Albera Ligure | AL | 16 | 325 | 64222 |
Bargagli | GE | 16 | 2708 | 66930 |
Carrega Ligure | AL | 16 | 84 | 67014 |
Vignole Borbera | AL | 17 | 2182 | 69196 |
Cantalupo Ligure | AL | 17 | 527 | 69723 |
Bosio | AL | 18 | 1227 | 70950 |
Genova | GE | 18 | 586655 | 657605 |
Borghetto di Borbera | AL | 18 | 1966 | 659571 |
Rondanina | GE | 18 | 62 | 659633 |
Lumarzo | GE | 18 | 1535 | 661168 |
Serravalle Scrivia | AL | 20 | 6128 | 667296 |
Gavi | AL | 20 | 4614 | 671910 |
Mornese | AL | 20 | 737 | 672647 |
Fascia | GE | 20 | 81 | 672728 |
Stazzano | AL | 20 | 2486 | 675214 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-08-30 22:29:11 |
44.57 | 8.9863 | 10 | 2021-12-29 11:12:31 |
Bollettino Sismico Italiano INGV | 95657241 |
Reviewed Rev100 |
ML 1.8 | 2021-08-30 22:29:11 |
44.6018 | 8.96 | 1 | 2021-08-30 22:36:21 |
Sala Sismica INGV-Roma | 94837621 |
Field | Value |
---|---|
Time (UTC) | 2021-08-30 22:29:11 ± 0.11 |
Latitude | 44.5700 ± 0.0081 |
Longitude | 8.9863 ± 0.0063 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95657241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 967 |
Semi-minor axis of confidence ellipse (meter) | 341 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 161 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 970.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.10162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51891 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.5 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 95657241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-17 14:32:44 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 94837621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-30 22:36:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSSA.HHZ. | 2021-08-30T22:29:27.02 | 0.6 | undecidable | manual | S | 124 | 50.616 | 50 | -0.33 | 44 |
IV.QLNO.HHE. | 2021-08-30T22:29:22.00 | 0.3 | undecidable | manual | P | 242 | 57.5979 | 50 | 0.41 | 64 |
GU.PCP.HHZ. | 2021-08-30T22:29:22.96 | 0.6 | undecidable | manual | S | 265 | 35.0427 | 50 | -0.23 | 46 |
GU.GORR.HHZ. | 2021-08-30T22:29:20.32 | 0.6 | undecidable | manual | S | 80 | 24.5532 | 112 | -0.03 | 49 |
IV.MSSA.HHZ. | 2021-08-30T22:29:20.79 | 0.3 | undecidable | manual | P | 124 | 50.616 | 50 | 0.28 | 67 |
IT.GNV.HGE. | 2021-08-30T22:29:17.79 | 0.6 | undecidable | manual | S | 196 | 15.9729 | 122 | 0.1 | 49 |
GU.PCP.HHZ. | 2021-08-30T22:29:17.95 | 0.1 | negative | manual | P | 265 | 35.0427 | 50 | -0.15 | 94 |
GU.RNCA.HHZ. | 2021-08-30T22:29:16.09 | 0.6 | undecidable | manual | S | 194 | 11.2776 | 132 | -0.31 | 47 |
GU.GORR.HHZ. | 2021-08-30T22:29:16.45 | 0.1 | undecidable | manual | P | 80 | 24.5532 | 112 | -0.01 | 98 |
IT.GNV.HGE. | 2021-08-30T22:29:15.00 | 0.3 | undecidable | manual | P | 196 | 15.9729 | 122 | 0.07 | 74 |
GU.RNCA.HHZ. | 2021-08-30T22:29:14.22 | 0.1 | positive | manual | P | 194 | 11.2776 | 132 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.RNCA.HHE. | ML:0.5 | 0.000040517255 | 0.1408 | AML | other | m | 2021-08-30T22:29:16.28 |
GU.RNCA.HHN. | ML:0.6 | 0.00004745803 | 0.1024 | AML | other | m | 2021-08-30T22:29:16.59 |
GU.GORR.HHN. | ML:0.8 | 0.00003675 | 0.6 | AML | other | m | 2021-08-30T22:29:21.56 |
GU.GORR.HHE. | ML:0.9 | 0.000051699999999999996 | 0.46 | AML | other | m | 2021-08-30T22:29:22.31 |
GU.PCP.HHE. | ML:0.6 | 0.000012956825 | 1.536 | AML | other | m | 2021-08-30T22:29:23.36 |
GU.PCP.HHN. | ML:0.1 | 0.000006747504199999999 | 0.2304 | AML | other | m | 2021-08-30T22:29:22.97 |
IV.SARZ.HNE. | ML:2.0 | 0.0004095 | 0.2 | AML | other | m | 2021-08-30T22:29:26.87 |
IV.SARZ.HHE. | ML:2.1 | 0.00048699999999999997 | 0.06 | AML | other | m | 2021-08-30T22:29:26.87 |
IV.SARZ.HHN. | ML:2.0 | 0.000478 | 0.06 | AML | other | m | 2021-08-30T22:29:26.91 |
IV.SARZ.HNN. | ML:2.0 | 0.000395 | 0.32 | AML | other | m | 2021-08-30T22:29:26.92 |
IV.MSSA.HHE. | ML:1.1 | 0.000031382850000000004 | 0.0896 | AML | other | m | 2021-08-30T22:29:28.06 |
IV.MSSA.HHN. | ML:1.1 | 0.000030448455 | 0.0768 | AML | other | m | 2021-08-30T22:29:28.04 |