A magnitude ML 0.8 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0890, 8.5120 at 9 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 |
---|---|---|---|---|
Noli | SV | 15 | 2736 | 2736 |
Finale Ligure | SV | 16 | 11711 | 14447 |
Spotorno | SV | 17 | 3803 | 18250 |
Borgio Verezzi | SV | 18 | 2205 | 20455 |
Bergeggi | SV | 19 | 1129 | 21584 |
Pietra Ligure | SV | 20 | 8992 | 30576 |
Vezzi Portio | SV | 20 | 809 | 31385 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-04-29 15:35:04 |
44.0888 | 8.5123 | 9 | 2023-04-29 15:40:36 |
Sala Sismica INGV-Roma | 116873881 |
Field | Value |
---|---|
Time (UTC) | 2023-04-29 15:35:04 ± 0.22 |
Latitude | 44.0888 ± 0.0072 |
Longitude | 8.5123 ± 0.0100 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116873881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 998 |
Semi-minor axis of confidence ellipse (meter) | 492 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 315 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1000.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 245 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.23023 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50812 |
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 | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 116873881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-29 15:40:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2023-04-29T15:35:22.24 | 0.6 | undecidable | manual | S | 248 | 53.2023 | 50 | 0.46 | 58 |
GU.MGRO.HHZ. | 2023-04-29T15:35:22.44 | 0.6 | undecidable | manual | S | 265 | 56.3991 | 50 | -0.17 | 61 |
GU.PCP.HHZ. | 2023-04-29T15:35:20.99 | 0.6 | undecidable | manual | S | 3 | 50.2164 | 50 | 0 | 64 |
GU.RORO.HHZ. | 2023-04-29T15:35:17.03 | 0.3 | undecidable | manual | S | 274 | 35.6421 | 50 | -0.04 | 98 |
GU.MGRO.HHZ. | 2023-04-29T15:35:15.22 | 0.6 | positive | manual | P | 265 | 56.3991 | 50 | 0.18 | 61 |
IV.QLNO.HHZ. | 2023-04-29T15:35:15.41 | 0.6 | undecidable | manual | S | 333 | 29.2485 | 107 | 0.07 | 66 |
GU.IMI.HHZ. | 2023-04-29T15:35:14.32 | 0.3 | undecidable | manual | P | 248 | 53.2023 | 50 | -0.24 | 91 |
GU.CANO.HHZ. | 2023-04-29T15:35:14.07 | 0.3 | undecidable | manual | S | 301 | 25.5522 | 110 | -0.05 | 100 |
GU.PCP.HHZ. | 2023-04-29T15:35:14.21 | 0.6 | undecidable | manual | P | 3 | 50.2164 | 50 | 0.11 | 63 |
GU.RORO.HHZ. | 2023-04-29T15:35:11.71 | 0.3 | undecidable | manual | P | 274 | 35.6421 | 50 | -0.13 | 97 |
GU.CANO.HHZ. | 2023-04-29T15:35:10.35 | 0.6 | undecidable | manual | P | 301 | 25.5522 | 110 | 0.22 | 64 |
IV.QLNO.HHZ. | 2023-04-29T15:35:10.72 | 0.6 | undecidable | manual | P | 333 | 29.2485 | 107 | -0.12 | 65 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHE. | ML:1.1 | 0.00006879243500000001 | 1.1392 | AML | other | m | 2023-04-29T15:35:23.71 |
GU.CANO.HHN. | ML:0.6 | 0.000027059095 | 0.192 | AML | other | m | 2023-04-29T15:35:15.22 |
IV.QLNO.HHE. | ML:0.3 | 0.0000110467905 | 1.0624 | AML | other | m | 2023-04-29T15:35:27.01 |
IV.QLNO.HHN. | ML:0.6 | 0.00001776877 | 1.1008 | AML | other | m | 2023-04-29T15:35:25.36 |
GU.RORO.HHE. | ML:0.9 | 0.00003040645 | 0.1408 | AML | other | m | 2023-04-29T15:35:17.93 |
GU.RORO.HHN. | ML:0.7 | 0.000021482050000000002 | 0.1408 | AML | other | m | 2023-04-29T15:35:17.91 |
GU.PCP.HHE. | ML:0.8 | 0.000015362555 | 1.0496 | AML | other | m | 2023-04-29T15:35:17.85 |
GU.PCP.HHN. | ML:0.6 | 0.0000114373665 | 0.8832 | AML | other | m | 2023-04-29T15:35:17.00 |
GU.IMI.HHE. | ML:0.6 | 0.000011759286000000001 | 0.2176 | AML | other | m | 2023-04-29T15:35:24.23 |
GU.IMI.HHN. | ML:1.0 | 0.00002313072 | 0.1408 | AML | other | m | 2023-04-29T15:35:23.59 |
GU.MGRO.HNE. | ML:1.6 | 0.00008982297000000001 | 1.1392 | AML | other | m | 2023-04-29T15:35:20.72 |
GU.MGRO.HNN. | ML:1.1 | 0.00002883451 | 0.5376 | AML | other | m | 2023-04-29T15:35:28.96 |
GU.MGRO.HHE. | ML:0.4 | 0.00000323462675 | 46.08 | AML | other | m | 2023-04-29T15:35:14.78 |
GU.MGRO.HHN. | ML:1.0 | 0.000017754735 | 1.0368 | AML | other | m | 2023-04-29T15:35:30.30 |