A magnitude ML 1.7 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0970, 8.6360 at 7 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-10-29 08:32:11 |
44.0967 | 8.6355 | 7 | 2022-03-30 13:04:15 |
Bollettino Sismico Italiano INGV | 97343101 |
Reviewed Rev100 |
ML 1.7 | 2021-10-29 08:32:11 |
44.0968 | 8.6403 | 9 | 2021-10-29 08:43:47 |
Sala Sismica INGV-Roma | 97056391 |
Field | Value |
---|---|
Time (UTC) | 2021-10-29 08:32:11 ± 0.24 |
Latitude | 44.0967 ± 0.0099 |
Longitude | 8.6355 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97343101 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1099 |
Semi-minor axis of confidence ellipse (meter) | 500 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 335 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1100.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.30667 |
Epicentral distance of station farthest from the epicenter (degree) | 1.22578 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 97056391 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-29 08:43:47 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 97343101 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-08 15:46:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.ENR.HHZ. | 2021-10-29T08:32:41.10 | 0.3 | undecidable | manual | S | 279 | 98.0241 | 50 | 0.44 | 62 |
IV.BOB.HHE. | 2021-10-29T08:32:41.34 | 0.3 | undecidable | manual | S | 41 | 98.4237 | 50 | 0.56 | 59 |
GU.GORR.HHE. | 2021-10-29T08:32:34.57 | 0.3 | undecidable | manual | S | 42 | 76.9674 | 50 | -0.48 | 64 |
GU.BHB.HHZ. | 2021-10-29T08:32:34.32 | 0.3 | undecidable | manual | P | 308 | 136.0638 | 50 | 0.24 | 60 |
IV.MSSA.HHE. | 2021-10-29T08:32:33.85 | 0.3 | undecidable | manual | S | 71 | 74.2701 | 50 | -0.47 | 64 |
GU.GBOS.HHZ. | 2021-10-29T08:32:32.00 | 0.3 | undecidable | manual | S | 285 | 65.2902 | 50 | 0.06 | 71 |
GU.IMI.HHZ. | 2021-10-29T08:32:31.45 | 0.3 | undecidable | manual | S | 251 | 62.6928 | 50 | 0.2 | 69 |
GU.STV.HHZ. | 2021-10-29T08:32:29.90 | 0.3 | undecidable | manual | P | 279 | 105.4167 | 50 | 0.54 | 59 |
IV.BOB.HHE. | 2021-10-29T08:32:28.77 | 0.3 | undecidable | manual | P | 41 | 98.4237 | 50 | 0.49 | 61 |
GU.ENR.HHZ. | 2021-10-29T08:32:28.47 | 0.3 | undecidable | manual | P | 279 | 98.0241 | 50 | 0.26 | 64 |
GU.PCP.HHZ. | 2021-10-29T08:32:27.44 | 0.3 | undecidable | manual | S | 352 | 49.8168 | 50 | -0.37 | 69 |
GU.RNCA.HHE. | 2021-10-29T08:32:27.85 | 0.3 | undecidable | manual | S | 31 | 48.5181 | 50 | 0.39 | 68 |
GU.GORR.HHE. | 2021-10-29T08:32:25.39 | 0.3 | undecidable | manual | P | 42 | 76.9674 | 50 | 0.42 | 65 |
GU.RORO.HHZ. | 2021-10-29T08:32:25.90 | 0.3 | undecidable | manual | S | 272 | 45.3213 | 50 | -0.71 | 62 |
IV.MSSA.HHE. | 2021-10-29T08:32:24.10 | 0.3 | undecidable | manual | P | 71 | 74.2701 | 50 | -0.45 | 64 |
GU.GBOS.HHZ. | 2021-10-29T08:32:23.17 | 0.1 | undecidable | manual | P | 285 | 65.2902 | 50 | 0 | 96 |
GU.CANO.HHZ. | 2021-10-29T08:32:23.31 | 0.3 | undecidable | manual | S | 291 | 34.0437 | 102 | 0.04 | 76 |
IV.QLNO.HHZ. | 2021-10-29T08:32:23.34 | 0.3 | undecidable | manual | S | 318 | 34.1436 | 102 | 0.01 | 76 |
GU.IMI.HHZ. | 2021-10-29T08:32:22.69 | 0.3 | undecidable | manual | P | 251 | 62.6928 | 50 | -0.09 | 71 |
GU.RNCA.HHE. | 2021-10-29T08:32:20.20 | 0.3 | undecidable | manual | P | 31 | 48.5181 | 50 | -0.39 | 69 |
GU.PCP.HHZ. | 2021-10-29T08:32:20.35 | 0.1 | undecidable | manual | P | 352 | 49.8168 | 50 | -0.44 | 90 |
GU.GENL.EHN. | 2021-10-29T08:32:20.60 | 0.3 | undecidable | manual | P | 38 | 43.3233 | 50 | 0.81 | 60 |
GU.RORO.HHZ. | 2021-10-29T08:32:19.80 | 0.1 | undecidable | manual | P | 272 | 45.3213 | 50 | -0.3 | 94 |
GU.CANO.HHZ. | 2021-10-29T08:32:18.06 | 0.1 | undecidable | manual | P | 291 | 34.0437 | 102 | -0.11 | 100 |
IV.QLNO.HHZ. | 2021-10-29T08:32:18.12 | 0.1 | negative | manual | P | 318 | 34.1436 | 102 | -0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHE. | ML:1.9 | 0.0003735 | 0.7 | AML | other | m | 2021-10-29T08:32:23.84 |
IV.QLNO.HHN. | ML:1.7 | 0.000229 | 0.2 | AML | other | m | 2021-10-29T08:32:24.06 |
IV.QLNO.HHE. | ML:1.7 | 0.0001975 | 0.26 | AML | other | m | 2021-10-29T08:32:24.23 |
GU.CANO.HHN. | ML:1.9 | 0.0003325 | 0.28 | AML | other | m | 2021-10-29T08:32:24.41 |
GU.PCP.HHE. | ML:2.0 | 0.0002615 | 0.2 | AML | other | m | 2021-10-29T08:32:28.07 |
GU.PCP.HHN. | ML:1.6 | 0.00010135 | 0.46 | AML | other | m | 2021-10-29T08:32:28.49 |
GU.IMI.HHN. | ML:1.8 | 0.00013000000000000002 | 0.8 | AML | other | m | 2021-10-29T08:32:33.25 |
GU.GBOS.HHE. | ML:1.4 | 0.00004635 | 0.5 | AML | other | m | 2021-10-29T08:32:33.24 |
GU.GBOS.HHN. | ML:1.5 | 0.00005475 | 1.12 | AML | other | m | 2021-10-29T08:32:33.02 |
GU.IMI.HHE. | ML:1.8 | 0.00011174999999999999 | 0.46 | AML | other | m | 2021-10-29T08:32:34.30 |
GU.ENR.HHN. | ML:1.8 | 0.0000607 | 0.9 | AML | other | m | 2021-10-29T08:32:41.93 |
GU.ENR.HHE. | ML:1.6 | 0.0000405 | 0.22 | AML | other | m | 2021-10-29T08:32:41.95 |
GU.STV.HHN. | ML:1.6 | 0.00004075 | 0.5 | AML | other | m | 2021-10-29T08:32:43.06 |
GU.STV.HHE. | ML:1.6 | 0.0000422 | 0.78 | AML | other | m | 2021-10-29T08:32:48.59 |