A magnitude ML 2.1 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.8100, 7.4640 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 |
---|---|---|---|---|
Olivetta San Michele | IM | 9 | 211 | 211 |
Airole | IM | 10 | 407 | 618 |
Ventimiglia | IM | 12 | 24310 | 24928 |
Camporosso | IM | 13 | 5632 | 30560 |
Dolceacqua | IM | 14 | 2074 | 32634 |
Rocchetta Nervina | IM | 14 | 298 | 32932 |
Vallecrosia | IM | 15 | 6956 | 39888 |
San Biagio della Cima | IM | 15 | 1329 | 41217 |
Soldano | IM | 16 | 977 | 42194 |
Isolabona | IM | 16 | 679 | 42873 |
Vallebona | IM | 16 | 1310 | 44183 |
Bordighera | IM | 17 | 10469 | 54652 |
Apricale | IM | 18 | 629 | 55281 |
Perinaldo | IM | 18 | 870 | 56151 |
Seborga | IM | 19 | 315 | 56466 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.1 | 2023-09-01 12:26:28 |
43.8102 | 7.4638 | 9 | 2023-09-01 12:36:33 |
Sala Sismica INGV-Roma | 120659441 |
Field | Value |
---|---|
Time (UTC) | 2023-09-01 12:26:28 ± 0.22 |
Latitude | 43.8102 ± 0.0099 |
Longitude | 7.4638 ± 0.0150 |
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 | 120659441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1393 |
Semi-minor axis of confidence ellipse (meter) | 825 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 234 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 235 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68348 |
Number of stations at which the event was observed | 27 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 120659441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-01 12:36:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CTI.HHZ. | 2023-09-01T12:28:14.84 | 3.0 | undecidable | manual | Sn | 1.86 | 0 | |||
IV.CAMP.HHZ. | 2023-09-01T12:27:57.42 | 3.0 | positive | manual | Pg | 17.299999 | 0 | |||
IV.CASP.HHZ. | 2023-09-01T12:27:56.87 | 3.0 | undecidable | manual | Sg | 6.66 | 0 | |||
IV.MF5.EHZ. | 2023-09-01T12:27:53.78 | 3.0 | undecidable | manual | Pg | 14.96 | 0 | |||
OX.ACOM.HHZ. | 2023-09-01T12:27:48.28 | 3.0 | negative | manual | Pn | 1.87 | 0 | |||
IV.PCN.HNZ. | 2023-09-01T12:27:33.75 | 3.0 | undecidable | manual | Sg | 2.03 | 0 | |||
IV.SFI.EHZ. | 2023-09-01T12:27:27.48 | 3.0 | negative | manual | Pg | 6.46 | 0 | |||
IV.CSNT.HHZ. | 2023-09-01T12:27:22.22 | 3.0 | positive | manual | Pg | 6.12 | 0 | |||
RD.ORIF.BHZ. | 2023-09-01T12:27:22.12 | 3.0 | undecidable | manual | S | 2.38 | 0 | |||
IV.CADC.HNZ. | 2023-09-01T12:27:12.21 | 3.0 | undecidable | manual | Pn | 1.17 | 0 | |||
GU.CIRO.HHZ. | 2023-09-01T12:26:59.16 | 3.0 | positive | manual | Pn | -1.25 | 0 | |||
IV.MONC.HHZ. | 2023-09-01T12:26:54.52 | 3.0 | negative | manual | P | 0.67 | 0 | |||
GU.PZZ.HHZ. | 2023-09-01T12:26:53.11 | 3.0 | undecidable | manual | S | -1.34 | 0 | |||
GU.RSP.HHZ. | 2023-09-01T12:26:51.80 | 3.0 | positive | manual | P | -2.42 | 0 | |||
GU.RRL.HHZ. | 2023-09-01T12:26:51.59 | 3.0 | positive | manual | P | -0.71 | 0 | |||
GU.PCP.HHZ. | 2023-09-01T12:26:49.38 | 3.0 | positive | manual | P | -1.27 | 0 | |||
GU.GBOS.HHZ. | 2023-09-01T12:26:46.14 | 0.6 | undecidable | manual | S | 32 | 56.499 | 50 | -0.25 | 44 |
GU.BHB.HHZ. | 2023-09-01T12:26:46.98 | 3.0 | positive | manual | P | -2.03 | 0 | |||
4P.IT06A.HHZ. | 2023-09-01T12:26:44.58 | 3.0 | positive | manual | P | -0.2 | 0 | |||
IV.QLNO.HHZ. | 2023-09-01T12:26:44.62 | 3.0 | positive | manual | P | -1.56 | 0 | |||
GU.STV.HHZ. | 2023-09-01T12:26:43.85 | 0.6 | undecidable | manual | S | 347 | 49.5171 | 50 | -0.67 | 39 |
GU.PZZ.HHZ. | 2023-09-01T12:26:43.10 | 3.0 | negative | manual | P | -0.45 | 0 | |||
GU.CANO.HHZ. | 2023-09-01T12:26:42.24 | 0.3 | negative | manual | P | 54 | 75.8685 | 50 | 0.51 | 60 |
GU.MGRO.HHZ. | 2023-09-01T12:26:41.32 | 0.6 | undecidable | manual | S | 47 | 37.7289 | 50 | -0.06 | 47 |
GU.IMI.HHZ. | 2023-09-01T12:26:40.61 | 0.6 | undecidable | manual | S | 72 | 36.1416 | 50 | -0.34 | 44 |
GU.GBOS.HHZ. | 2023-09-01T12:26:39.00 | 0.6 | positive | manual | P | 32 | 56.499 | 50 | 0.25 | 44 |
GU.RORO.HHZ. | 2023-09-01T12:26:39.38 | 0.1 | positive | manual | P | 55 | 58.6968 | 50 | 0.29 | 86 |
GU.STV.HHZ. | 2023-09-01T12:26:37.62 | 0.1 | negative | manual | P | 347 | 49.5171 | 50 | -0.05 | 92 |
FR.SAOF.HHZ.00 | 2023-09-01T12:26:36.21 | 0.6 | undecidable | manual | S | 20 | 20.7681 | 113 | 0.1 | 48 |
GU.MGRO.HHZ. | 2023-09-01T12:26:36.00 | 0.1 | positive | manual | P | 47 | 37.7289 | 50 | 0.14 | 92 |
GU.IMI.HHZ. | 2023-09-01T12:26:35.49 | 0.1 | positive | manual | P | 72 | 36.1416 | 50 | -0.12 | 93 |
FR.SAOF.HHZ.00 | 2023-09-01T12:26:32.91 | 0.3 | undecidable | manual | P | 20 | 20.7681 | 113 | 0.1 | 72 |
GU.BURY.HNZ. | 2023-09-01T12:26:31.97 | 0.6 | undecidable | manual | S | 112 | 8.0808 | 137 | -0.43 | 46 |
GU.BURY.HNZ. | 2023-09-01T12:26:30.66 | 0.1 | positive | manual | P | 112 | 8.0808 | 137 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BURY.HHN. | ML:2.4 | 0.0036082225 | 0.1792 | AML | other | m | 2023-09-01T12:26:32.43 |
GU.BURY.HNE. | ML:2.4 | 0.0035452725 | 0.2304 | AML | other | m | 2023-09-01T12:26:32.42 |
GU.BURY.HHE. | ML:2.0 | 0.001666233 | 0.1024 | AML | other | m | 2023-09-01T12:26:32.54 |
GU.BURY.HNN. | ML:2.1 | 0.002166893 | 0.1216 | AML | other | m | 2023-09-01T12:26:32.53 |
FR.SAOF.HHN.00 | ML:1.9 | 0.0005576523499999999 | 0.064 | AML | other | m | 2023-09-01T12:26:36.68 |
FR.SAOF.HHE.00 | ML:1.8 | 0.00045233400000000004 | 0.0576 | AML | other | m | 2023-09-01T12:26:37.00 |
GU.IMI.HHE. | ML:2.0 | 0.00043544279999999997 | 0.16 | AML | other | m | 2023-09-01T12:26:40.99 |
GU.IMI.HHN. | ML:2.0 | 0.00043999999999999996 | 0.14 | AML | other | m | 2023-09-01T12:26:41.08 |
GU.MGRO.HNN. | ML:1.9 | 0.00032367365 | 0.2112 | AML | other | m | 2023-09-01T12:26:42.12 |
GU.MGRO.HNE. | ML:2.0 | 0.00035939469999999994 | 0.1408 | AML | other | m | 2023-09-01T12:26:42.24 |
GU.MGRO.HHN. | ML:2.0 | 0.00039200000000000004 | 0.14 | AML | other | m | 2023-09-01T12:26:42.31 |
GU.MGRO.HHE. | ML:2.0 | 0.00034033195 | 0.2176 | AML | other | m | 2023-09-01T12:26:42.12 |
GU.STV.HHE. | ML:0.0 | 0.00053135945 | 0.1216 | AML | other | m | 2023-09-01T12:26:44.08 |
GU.STV.HHN. | ML:0.0 | 0.0003542494 | 0.2624 | AML | other | m | 2023-09-01T12:26:44.71 |
GU.GBOS.HHE. | ML:1.9 | 0.0001715 | 0.16 | AML | other | m | 2023-09-01T12:26:46.37 |
GU.GBOS.HHN. | ML:1.6 | 0.00008844115000000001 | 0.16 | AML | other | m | 2023-09-01T12:26:47.60 |
GU.RORO.HHE. | ML:2.0 | 0.0002424935 | 0.1216 | AML | other | m | 2023-09-01T12:26:49.05 |
GU.RORO.HHN. | ML:1.9 | 0.0001762716 | 0.2176 | AML | other | m | 2023-09-01T12:26:50.59 |
GU.PZZ.HHE. | ML:2.4 | 0.000319 | 0.18 | AML | other | m | 2023-09-01T12:26:53.57 |
GU.PZZ.HHN. | ML:2.2 | 0.000192911815 | 0.1792 | AML | other | m | 2023-09-01T12:26:54.52 |
GU.CANO.HHN. | ML:0.0 | 0.0001944039 | 0.2816 | AML | other | m | 2023-09-01T12:26:53.20 |
4P.IT06A.HHE. | ML:2.6 | 0.00044438455 | 0.2816 | AML | other | m | 2023-09-01T12:26:55.88 |
4P.IT06A.HHN. | ML:2.6 | 0.00048349164999999996 | 0.2048 | AML | other | m | 2023-09-01T12:26:57.14 |
GU.CANO.HHE. | ML:0.0 | 0.0002101796 | 0.32 | AML | other | m | 2023-09-01T12:26:58.98 |
IV.QLNO.HHE. | ML:2.0 | 0.00011039899 | 0.2624 | AML | other | m | 2023-09-01T12:27:01.09 |
IV.QLNO.HHN. | ML:2.0 | 0.00011020000000000001 | 0.82 | AML | other | m | 2023-09-01T12:27:01.22 |
GU.PCP.HHN. | ML:2.2 | 0.0001115 | 0.38 | AML | other | m | 2023-09-01T12:27:07.32 |
GU.PCP.HHE. | ML:2.0 | 0.000087376405 | 0.2176 | AML | other | m | 2023-09-01T12:27:07.63 |
GU.RRL.HHE. | ML:1.8 | 0.000035000000000000004 | 0.78 | AML | other | m | 2023-09-01T12:27:14.20 |
GU.RRL.HHN. | ML:1.8 | 0.00003665 | 1.78 | AML | other | m | 2023-09-01T12:27:14.09 |
IV.MONC.HHN. | ML:2.5 | 0.0001655 | 1.7 | AML | other | m | 2023-09-01T12:27:19.88 |
GU.RSP.HHN. | ML:1.6 | 0.0000209 | 0.18 | AML | other | m | 2023-09-01T12:27:21.18 |
GU.RSP.HHE. | ML:1.6 | 0.00002222222 | 0.2752 | AML | other | m | 2023-09-01T12:27:22.09 |
IV.MONC.HHE. | ML:2.5 | 0.00016049999999999997 | 1.64 | AML | other | m | 2023-09-01T12:27:23.08 |
GU.CIRO.HHE. | ML:1.5 | 0.0000101613795 | 0.2176 | AML | other | m | 2023-09-01T12:27:33.30 |
GU.CIRO.HHN. | ML:1.5 | 0.000009559087 | 0.6592 | AML | other | m | 2023-09-01T12:27:30.17 |
GU.RSP.HNE. | ML:2.3 | 0.00010967207000000001 | 0.1984 | AML | other | m | 2023-09-01T12:27:21.49 |
GU.RSP.HNN. | ML:2.2 | 0.00009178447 | 0.16 | AML | other | m | 2023-09-01T12:27:21.19 |