A magnitude ML 0.9 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0820, 8.5480 at 14 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 |
---|---|---|---|---|
Noli | SV | 17 | 2736 | 2736 |
Finale Ligure | SV | 19 | 11711 | 14447 |
Spotorno | SV | 19 | 3803 | 18250 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2023-04-28 23:56:50 |
44.0817 | 8.5482 | 14 | 2024-03-01 17:18:11 |
Bollettino Sismico Italiano INGV | 118422751 |
Reviewed Rev100 |
ML 0.9 | 2023-04-28 23:56:50 |
44.0847 | 8.5367 | 10 | 2023-04-29 00:02:23 |
Sala Sismica INGV-Roma | 116855931 |
Field | Value |
---|---|
Time (UTC) | 2023-04-28 23:56:50 ± 0.07 |
Latitude | 44.0817 ± 0.0036 |
Longitude | 8.5482 ± 0.0050 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 118422751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 499 |
Semi-minor axis of confidence ellipse (meter) | 134 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 142 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.25631 |
Epicentral distance of station farthest from the epicenter (degree) | 1.15473 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 118422751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-29 13:35:19 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 116855931 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-29 00:02:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.BURY.HNN. | 2023-04-28T23:57:16.22 | 0.3 | undecidable | manual | S | 248 | 85.8474 | 92 | 0.19 | 65 |
GU.EQUI.HHN. | 2023-04-28T23:57:11.76 | 0.6 | undecidable | manual | P | 85 | 128.1717 | 92 | -0.05 | 41 |
GU.GBOS.HHZ. | 2023-04-28T23:57:08.88 | 0.3 | undecidable | manual | S | 288 | 59.0964 | 94 | -0.01 | 71 |
GU.IMI.HHZ. | 2023-04-28T23:57:08.01 | 0.6 | undecidable | manual | S | 250 | 55.5999 | 94 | 0.04 | 48 |
GU.RNCA.HHE. | 2023-04-28T23:57:07.79 | 0.6 | undecidable | manual | S | 36 | 53.8017 | 94 | 0.32 | 45 |
GU.STV.HHZ. | 2023-04-28T23:57:07.53 | 0.3 | undecidable | manual | P | 281 | 98.9232 | 92 | 0.23 | 63 |
GU.ENR.HHZ. | 2023-04-28T23:57:06.58 | 0.6 | undecidable | manual | P | 281 | 91.4418 | 92 | 0.43 | 41 |
GU.PCP.HHZ. | 2023-04-28T23:57:06.57 | 0.6 | undecidable | manual | S | 360 | 51.0156 | 95 | -0.16 | 47 |
GU.BURY.HNN. | 2023-04-28T23:57:05.16 | 0.3 | undecidable | manual | P | 248 | 85.8474 | 92 | -0.14 | 66 |
GU.GORR.HHN. | 2023-04-28T23:57:04.85 | 0.3 | undecidable | manual | P | 45 | 82.9503 | 93 | 0 | 68 |
GU.RORO.HHZ. | 2023-04-28T23:57:03.43 | 0.3 | undecidable | manual | S | 275 | 38.5281 | 97 | 0.01 | 74 |
IV.QLNO.HHZ. | 2023-04-28T23:57:01.45 | 0.3 | undecidable | manual | S | 329 | 31.3464 | 100 | -0.08 | 73 |
GU.GBOS.HHZ. | 2023-04-28T23:57:01.32 | 0.3 | undecidable | manual | P | 288 | 59.0964 | 94 | 0.15 | 69 |
GU.CANO.HHZ. | 2023-04-28T23:57:00.74 | 0.3 | undecidable | manual | S | 300 | 28.4493 | 101 | -0.02 | 75 |
GU.IMI.HHZ. | 2023-04-28T23:57:00.43 | 0.3 | undecidable | manual | P | 250 | 55.5999 | 94 | -0.21 | 69 |
GU.RNCA.HHE. | 2023-04-28T23:57:00.56 | 0.3 | undecidable | manual | P | 36 | 53.8017 | 94 | 0.21 | 69 |
GU.PCP.HHZ. | 2023-04-28T23:56:59.73 | 0.3 | undecidable | manual | P | 360 | 51.0156 | 95 | -0.2 | 69 |
GU.RORO.HHZ. | 2023-04-28T23:56:57.85 | 0.1 | negative | manual | P | 275 | 38.5281 | 97 | -0.16 | 95 |
GU.CANO.HHZ. | 2023-04-28T23:56:56.47 | 0.1 | negative | manual | P | 300 | 28.4493 | 101 | -0.01 | 100 |
IV.QLNO.HHZ. | 2023-04-28T23:56:56.78 | 0.3 | undecidable | manual | P | 329 | 31.3464 | 100 | -0.14 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.QLNO.HHN. | ML:0.8 | 0.00002785 | 1.54 | AML | other | m | 2023-04-28T23:57:02.83 |
IV.QLNO.HHE. | ML:0.9 | 0.0000337 | 1.18 | AML | other | m | 2023-04-28T23:57:02.15 |
GU.RORO.HHN. | ML:1.1 | 0.0000454 | 0.14 | AML | other | m | 2023-04-28T23:57:04.11 |
GU.RORO.HHE. | ML:1.3 | 0.00006884999999999999 | 0.14 | AML | other | m | 2023-04-28T23:57:04.19 |
GU.IMI.HHN. | ML:1.1 | 0.0000321 | 1.3 | AML | other | m | 2023-04-28T23:57:09.80 |
GU.GBOS.HHE. | ML:0.7 | 0.00001094 | 0.22 | AML | other | m | 2023-04-28T23:57:09.80 |
GU.PCP.HHE. | ML:0.8 | 0.000016 | 0.76 | AML | other | m | 2023-04-28T23:57:10.32 |
GU.GBOS.HHN. | ML:0.9 | 0.00001415 | 0.56 | AML | other | m | 2023-04-28T23:57:10.43 |
GU.IMI.HHE. | ML:1.0 | 0.0000256 | 0.18 | AML | other | m | 2023-04-28T23:57:10.45 |
GU.PCP.HHN. | ML:0.8 | 0.0000149 | 0.42 | AML | other | m | 2023-04-28T23:57:15.65 |