A magnitude ML 0.4 earthquake occured in region: 6 km W Ventimiglia (IM), on
and geographic coordinates (lat, lon) 43.8130, 7.5410 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 |
---|---|---|---|---|
Ventimiglia | IM | 6 | 24310 | 24310 |
Airole | IM | 7 | 407 | 24717 |
Camporosso | IM | 7 | 5632 | 30349 |
Olivetta San Michele | IM | 8 | 211 | 30560 |
Dolceacqua | IM | 8 | 2074 | 32634 |
Vallecrosia | IM | 9 | 6956 | 39590 |
San Biagio della Cima | IM | 9 | 1329 | 40919 |
Soldano | IM | 9 | 977 | 41896 |
Rocchetta Nervina | IM | 10 | 298 | 42194 |
Vallebona | IM | 10 | 1310 | 43504 |
Isolabona | IM | 11 | 679 | 44183 |
Bordighera | IM | 11 | 10469 | 54652 |
Apricale | IM | 12 | 629 | 55281 |
Perinaldo | IM | 12 | 870 | 56151 |
Seborga | IM | 13 | 315 | 56466 |
Ospedaletti | IM | 14 | 3367 | 59833 |
Pigna | IM | 17 | 859 | 60692 |
Castel Vittorio | IM | 17 | 287 | 60979 |
Bajardo | IM | 18 | 312 | 61291 |
Sanremo | IM | 20 | 54807 | 116098 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-09-08 17:22:39 |
43.8133 | 7.541 | 9 | 2023-09-08 17:39:20 |
Sala Sismica INGV-Roma | 120885361 |
Field | Value |
---|---|
Time (UTC) | 2023-09-08 17:22:39 ± 0.25 |
Latitude | 43.8133 ± 0.0126 |
Longitude | 7.5410 ± 0.0212 |
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 | 120885361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1804 |
Semi-minor axis of confidence ellipse (meter) | 1135 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 237 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1800.0 |
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 | 13 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45775 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 120885361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-08 17:39:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HHZ. | 2023-09-08T17:23:38.47 | 3.0 | negative | manual | Pn | 8.5 | 0 | |||
GU.RNCA.HHZ. | 2023-09-08T17:23:18.16 | 3.0 | undecidable | manual | Sn | 0.01 | 0 | |||
GU.STV.HHZ. | 2023-09-08T17:22:54.86 | 0.3 | undecidable | manual | S | 340 | 50.8158 | 50 | -0.73 | 63 |
GU.MGRO.HHZ. | 2023-09-08T17:22:50.90 | 0.3 | undecidable | manual | S | 40 | 33.2445 | 50 | 0.03 | 79 |
GU.IMI.HHZ. | 2023-09-08T17:22:49.70 | 0.3 | undecidable | manual | S | 69 | 30.1476 | 50 | -0.36 | 74 |
GU.STV.HHZ. | 2023-09-08T17:22:48.91 | 0.1 | undecidable | manual | P | 340 | 50.8158 | 50 | 0.28 | 96 |
GU.RORO.HHZ. | 2023-09-08T17:22:48.34 | 3.0 | undecidable | manual | P | -0.11 | 0 | |||
GU.MGRO.HHZ. | 2023-09-08T17:22:46.34 | 0.3 | undecidable | manual | P | 40 | 33.2445 | 50 | 0.43 | 72 |
FR.SAOF.HHZ.00 | 2023-09-08T17:22:46.34 | 0.3 | undecidable | manual | S | 3 | 19.1697 | 116 | -0.16 | 78 |
GU.IMI.HHZ. | 2023-09-08T17:22:45.58 | 0.3 | undecidable | manual | P | 69 | 30.1476 | 50 | 0.14 | 77 |
FR.SAOF.HHZ.00 | 2023-09-08T17:22:43.75 | 0.1 | undecidable | manual | P | 3 | 19.1697 | 116 | 0.36 | 100 |
GU.BURY.HHZ. | 2023-09-08T17:22:42.16 | 0.3 | undecidable | manual | S | 160 | 3.6963 | 158 | -0.39 | 77 |
GU.BURY.HHZ. | 2023-09-08T17:22:41.22 | 0.3 | undecidable | manual | P | 160 | 3.6963 | 158 | 0.11 | 81 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.BURY.HNN. | ML:0.0 | 0.00012490045 | 0.128 | AML | other | m | 2023-09-08T17:22:42.37 |
GU.BURY.HHN. | ML:0.0 | 0.00015366646500000001 | 0.064 | AML | other | m | 2023-09-08T17:22:42.26 |
FR.SAOF.HHE.00 | ML:0.5 | 0.0000252 | 0.06 | AML | other | m | 2023-09-08T17:22:46.65 |
FR.SAOF.HHN.00 | ML:0.3 | 0.0000165195 | 0.064 | AML | other | m | 2023-09-08T17:22:47.18 |
GU.IMI.HHE. | ML:0.5 | 0.000014966283500000001 | 0.1152 | AML | other | m | 2023-09-08T17:22:50.00 |
GU.IMI.HHN. | ML:0.3 | 0.000007633115499999999 | 0.1024 | AML | other | m | 2023-09-08T17:22:50.11 |
GU.MGRO.HHE. | ML:0.4 | 0.0000110445325 | 0.1152 | AML | other | m | 2023-09-08T17:22:50.98 |