A magnitude ML 1.9 earthquake occured in region: Costa Ligure centro occidentale (Savona), on
and geographic coordinates (lat, lon) 44.0380, 8.5880 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.
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 1.9 | 2023-04-28 23:28:40 |
44.0378 | 8.588 | 14 | 2024-03-01 17:18:11 |
Bollettino Sismico Italiano INGV | 118422681 |
Reviewed Rev100 |
ML 1.9 | 2023-04-28 23:28:40 |
44.0787 | 8.5608 | 11 | 2023-04-28 23:39:25 |
Sala Sismica INGV-Roma | 116855791 |
Field | Value |
---|---|
Time (UTC) | 2023-04-28 23:28:40 ± 0.13 |
Latitude | 44.0378 ± 0.0081 |
Longitude | 8.5880 ± 0.0088 |
Depth (km) | 14 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 118422681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 949 |
Semi-minor axis of confidence ellipse (meter) | 256 |
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) | 950.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 43 |
Number of defining phases | 43 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.30307 |
Epicentral distance of station farthest from the epicenter (degree) | 1.59000 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 27 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 40 |
Type of magnitude | ML |
Reference to an origin | 116855791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-28 23:39:25 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 118422681 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-29 13:34:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHZ. | 2023-04-28T23:29:17.33 | 0.3 | undecidable | manual | S | 294 | 127.9719 | 91 | 0.14 | 65 |
GU.STV.HHZ. | 2023-04-28T23:29:10.69 | 0.6 | undecidable | manual | S | 283 | 103.0191 | 92 | 0.15 | 45 |
GU.TRAV.HHZ. | 2023-04-28T23:29:09.95 | 0.3 | undecidable | manual | P | 338 | 176.49 | 54 | 1.07 | 39 |
GU.RRL.HHZ. | 2023-04-28T23:29:08.98 | 0.3 | undecidable | manual | P | 305 | 172.7937 | 54 | 0.55 | 50 |
GU.BURY.HHZ. | 2023-04-28T23:29:06.65 | 0.3 | undecidable | manual | S | 251 | 87.1461 | 92 | 0.36 | 67 |
FR.SAOF.HHZ. | 2023-04-28T23:29:05.14 | 0.3 | undecidable | manual | S | 266 | 82.7505 | 92 | 0.01 | 72 |
IV.BDI.HHZ. | 2023-04-28T23:29:05.63 | 0.3 | undecidable | manual | P | 88 | 160.1175 | 91 | -1.02 | 44 |
GU.GORR.HHZ. | 2023-04-28T23:29:05.86 | 0.3 | undecidable | manual | S | 41 | 84.3489 | 92 | 0.31 | 67 |
RD.PGF.BHZ. | 2023-04-28T23:29:05.64 | 0.6 | undecidable | manual | P | 168 | 168.5091 | 54 | -2.26 | 12 |
4P.IT06A.HHN. | 2023-04-28T23:29:04.21 | 0.6 | undecidable | manual | S | 315 | 78.8655 | 93 | 0.14 | 48 |
GU.BHB.HHZ. | 2023-04-28T23:29:03.32 | 0.3 | undecidable | manual | P | 311 | 137.2626 | 91 | 0.18 | 63 |
GU.MAIM.HHZ. | 2023-04-28T23:29:03.91 | 0.6 | undecidable | manual | P | 95 | 152.6361 | 91 | -1.6 | 22 |
GU.PZZ.HHZ. | 2023-04-28T23:29:02.11 | 0.1 | undecidable | manual | P | 294 | 127.9719 | 91 | 0.4 | 81 |
GU.EQUI.HHN. | 2023-04-28T23:29:00.51 | 0.3 | undecidable | manual | P | 83 | 125.4744 | 91 | -0.82 | 53 |
GU.MGRO.HHZ. | 2023-04-28T23:28:59.70 | 0.6 | undecidable | manual | S | 271 | 62.1933 | 93 | 0.06 | 50 |
GU.GBOS.HHZ. | 2023-04-28T23:28:59.30 | 0.3 | undecidable | manual | S | 291 | 63.6918 | 93 | -0.75 | 60 |
GU.IMI.HHZ. | 2023-04-28T23:28:58.47 | 0.3 | undecidable | manual | S | 256 | 57.1983 | 94 | 0.14 | 74 |
GU.RNCA.HHZ. | 2023-04-28T23:28:58.50 | 0.6 | undecidable | manual | S | 31 | 56.0994 | 94 | 0.49 | 46 |
GU.STV.HHZ. | 2023-04-28T23:28:58.31 | 0.3 | undecidable | manual | P | 283 | 103.0191 | 92 | 0.44 | 64 |
IT.GNV.HGE. | 2023-04-28T23:28:57.63 | 0.6 | undecidable | manual | S | 32 | 51.5151 | 94 | 0.83 | 40 |
GU.PCP.HHZ. | 2023-04-28T23:28:57.06 | 0.6 | undecidable | manual | S | 357 | 55.9995 | 94 | -0.92 | 38 |
IV.SARZ.HHN. | 2023-04-28T23:28:57.65 | 0.6 | undecidable | manual | P | 16 | 95.5377 | 92 | 0.93 | 35 |
GU.GENL.EHN. | 2023-04-28T23:28:57.18 | 0.6 | undecidable | manual | S | 36 | 50.8158 | 94 | 0.56 | 45 |
GU.ROTM.HHZ. | 2023-04-28T23:28:56.87 | 0.6 | undecidable | manual | P | 348 | 91.9413 | 92 | 0.71 | 39 |
IV.PLMA.HHZ. | 2023-04-28T23:28:56.84 | 0.6 | undecidable | manual | P | 89 | 100.9212 | 92 | -0.7 | 39 |
GU.ENR.HHZ. | 2023-04-28T23:28:56.79 | 0.1 | undecidable | manual | P | 283 | 95.5377 | 92 | 0.08 | 93 |
GU.BURY.HHZ. | 2023-04-28T23:28:55.96 | 0.1 | undecidable | manual | P | 251 | 87.1461 | 92 | 0.54 | 85 |
GU.GORR.HHZ. | 2023-04-28T23:28:55.28 | 0.3 | undecidable | manual | P | 41 | 84.3489 | 92 | 0.29 | 68 |
FR.SAOF.HHZ. | 2023-04-28T23:28:55.02 | 0.1 | undecidable | manual | P | 266 | 82.7505 | 92 | 0.28 | 91 |
4P.IT06A.HHN. | 2023-04-28T23:28:54.50 | 0.6 | undecidable | manual | P | 315 | 78.8655 | 93 | 0.36 | 45 |
GU.RORO.HHZ. | 2023-04-28T23:28:54.27 | 0.3 | undecidable | manual | S | 281 | 42.3243 | 96 | -0.09 | 76 |
IV.QLNO.HHZ. | 2023-04-28T23:28:51.91 | 0.3 | undecidable | manual | S | 329 | 37.1295 | 97 | -1.08 | 54 |
GU.MGRO.HHZ. | 2023-04-28T23:28:51.59 | 0.3 | undecidable | manual | P | 271 | 62.1933 | 93 | 0.02 | 75 |
GU.CANO.HHZ. | 2023-04-28T23:28:51.11 | 0.3 | undecidable | manual | S | 304 | 33.6441 | 98 | -0.96 | 58 |
GU.GBOS.HHZ. | 2023-04-28T23:28:51.76 | 0.1 | undecidable | manual | P | 291 | 63.6918 | 93 | -0.05 | 98 |
GU.IMI.HHZ. | 2023-04-28T23:28:50.88 | 0.1 | negative | manual | P | 256 | 57.1983 | 94 | 0.06 | 100 |
GU.RNCA.HHZ. | 2023-04-28T23:28:50.61 | 0.3 | undecidable | manual | P | 31 | 56.0994 | 94 | -0.03 | 76 |
IT.GNV.HGE. | 2023-04-28T23:28:50.22 | 0.3 | undecidable | manual | P | 32 | 51.5151 | 94 | 0.28 | 72 |
GU.PCP.HHZ. | 2023-04-28T23:28:50.36 | 0.1 | undecidable | manual | P | 357 | 55.9995 | 94 | -0.26 | 96 |
GU.GENL.EHN. | 2023-04-28T23:28:49.99 | 0.6 | undecidable | manual | P | 36 | 50.8158 | 94 | 0.16 | 49 |
GU.RORO.HHZ. | 2023-04-28T23:28:48.27 | 0.1 | negative | manual | P | 281 | 42.3243 | 96 | -0.26 | 98 |
IV.QLNO.HHZ. | 2023-04-28T23:28:47.28 | 0.1 | positive | manual | P | 329 | 37.1295 | 97 | -0.45 | 95 |
GU.CANO.HHZ. | 2023-04-28T23:28:46.89 | 0.1 | undecidable | manual | P | 304 | 33.6441 | 98 | -0.31 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CANO.HHN. | ML:2.1 | 0.0005340000000000001 | 1.12 | AML | other | m | 2023-04-28T23:28:51.87 |
IV.QLNO.HHN. | ML:1.8 | 0.00021250000000000002 | 0.18 | AML | other | m | 2023-04-28T23:28:52.27 |
GU.CANO.HHE. | ML:2.1 | 0.0004925 | 0.26 | AML | other | m | 2023-04-28T23:28:52.31 |
IV.QLNO.HHE. | ML:1.8 | 0.000246 | 0.32 | AML | other | m | 2023-04-28T23:28:52.59 |
GU.RORO.HHN. | ML:2.1 | 0.000376 | 0.14 | AML | other | m | 2023-04-28T23:28:54.57 |
GU.RORO.HHE. | ML:2.3 | 0.0006205000000000001 | 0.16 | AML | other | m | 2023-04-28T23:28:54.66 |
GU.PCP.HHE. | ML:1.7 | 0.00010499999999999999 | 1.04 | AML | other | m | 2023-04-28T23:28:58.77 |
GU.PCP.HHN. | ML:1.7 | 0.0001028 | 0.86 | AML | other | m | 2023-04-28T23:28:59.27 |
GU.RNCA.HHE. | ML:1.7 | 0.00010055 | 1.3 | AML | other | m | 2023-04-28T23:28:59.30 |
GU.RNCA.HHN. | ML:1.9 | 0.0001785 | 0.46 | AML | other | m | 2023-04-28T23:29:00.34 |
GU.IMI.HHN. | ML:2.1 | 0.00029600000000000004 | 0.36 | AML | other | m | 2023-04-28T23:29:00.26 |
GU.GBOS.HHE. | ML:1.7 | 0.00009145 | 0.2 | AML | other | m | 2023-04-28T23:29:00.36 |
GU.GBOS.HHN. | ML:1.8 | 0.00010445 | 0.76 | AML | other | m | 2023-04-28T23:29:00.44 |
GU.IMI.HHE. | ML:2.0 | 0.00022799999999999999 | 1.8 | AML | other | m | 2023-04-28T23:29:00.01 |
GU.MGRO.HHN. | ML:2.0 | 0.00021650000000000003 | 0.32 | AML | other | m | 2023-04-28T23:29:01.30 |
GU.MGRO.HHE. | ML:2.0 | 0.000174 | 0.24 | AML | other | m | 2023-04-28T23:29:01.43 |
FR.SAOF.HHN.00 | ML:1.7 | 0.00005935 | 0.48 | AML | other | m | 2023-04-28T23:29:06.32 |
GU.GORR.HHN. | ML:2.2 | 0.000193 | 0.44 | AML | other | m | 2023-04-28T23:29:06.46 |
GU.GORR.HHE. | ML:2.2 | 0.000185 | 1.38 | AML | other | m | 2023-04-28T23:29:06.19 |
FR.SAOF.HHE.00 | ML:1.9 | 0.00009815 | 0.58 | AML | other | m | 2023-04-28T23:29:07.30 |
GU.BURY.HHN. | ML:2.1 | 0.00014150000000000002 | 0.48 | AML | other | m | 2023-04-28T23:29:07.79 |
GU.BURY.HNN. | ML:2.3 | 0.00022499999999999997 | 0.28 | AML | other | m | 2023-04-28T23:29:09.69 |
GU.BURY.HHE. | ML:2.2 | 0.00019250000000000002 | 0.42 | AML | other | m | 2023-04-28T23:29:09.70 |
GU.ROTM.HHN. | ML:2.5 | 0.00033499999999999996 | 0.6 | AML | other | m | 2023-04-28T23:29:09.93 |
GU.BURY.HNE. | ML:2.0 | 0.000134 | 0.44 | AML | other | m | 2023-04-28T23:29:09.73 |
GU.ENR.HHN. | ML:2.0 | 0.000104 | 1.34 | AML | other | m | 2023-04-28T23:29:10.93 |
GU.ENR.HHE. | ML:1.8 | 0.00006634999999999999 | 0.1 | AML | other | m | 2023-04-28T23:29:11.31 |
GU.STV.HHN. | ML:1.6 | 0.0000378 | 0.6 | AML | other | m | 2023-04-28T23:29:12.16 |
GU.ROTM.HHE. | ML:2.3 | 0.000225 | 0.68 | AML | other | m | 2023-04-28T23:29:14.49 |
GU.STV.HHE. | ML:1.7 | 0.000042800000000000004 | 1.4 | AML | other | m | 2023-04-28T23:29:15.19 |
GU.PZZ.HHE. | ML:2.0 | 0.00007630000000000001 | 1.76 | AML | other | m | 2023-04-28T23:29:18.99 |
GU.PZZ.HHN. | ML:2.0 | 0.00007485 | 1.2 | AML | other | m | 2023-04-28T23:29:19.27 |
GU.BHB.HHE. | ML:1.9 | 0.00005085 | 0.24 | AML | other | m | 2023-04-28T23:29:21.87 |
GU.BHB.HHN. | ML:2.0 | 0.000054000000000000005 | 0.56 | AML | other | m | 2023-04-28T23:29:22.44 |
IV.BDI.HHE. | ML:1.7 | 0.000022499999999999998 | 0.5 | AML | other | m | 2023-04-28T23:29:27.44 |
GU.MAIM.HHN. | ML:1.6 | 0.000018599999999999998 | 1.32 | AML | other | m | 2023-04-28T23:29:28.93 |
IV.BDI.HHN. | ML:1.6 | 0.00001795 | 1.68 | AML | other | m | 2023-04-28T23:29:29.88 |
GU.MAIM.HHE. | ML:1.7 | 0.000024550000000000004 | 1.28 | AML | other | m | 2023-04-28T23:29:30.92 |