A magnitude ML 1.0 earthquake occured in region: 2 km W Ventimiglia (IM), on
and geographic coordinates (lat, lon) 43.7970, 7.5810 at 7 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 | 2 | 24310 | 24310 |
Camporosso | IM | 4 | 5632 | 29942 |
Vallecrosia | IM | 5 | 6956 | 36898 |
San Biagio della Cima | IM | 6 | 1329 | 38227 |
Dolceacqua | IM | 7 | 2074 | 40301 |
Soldano | IM | 7 | 977 | 41278 |
Vallebona | IM | 7 | 1310 | 42588 |
Bordighera | IM | 8 | 10469 | 53057 |
Airole | IM | 9 | 407 | 53464 |
Seborga | IM | 10 | 315 | 53779 |
Isolabona | IM | 11 | 679 | 54458 |
Rocchetta Nervina | IM | 11 | 298 | 54756 |
Olivetta San Michele | IM | 11 | 211 | 54967 |
Perinaldo | IM | 11 | 870 | 55837 |
Ospedaletti | IM | 11 | 3367 | 59204 |
Apricale | IM | 11 | 629 | 59833 |
Bajardo | IM | 16 | 312 | 60145 |
Sanremo | IM | 17 | 54807 | 114952 |
Castel Vittorio | IM | 17 | 287 | 115239 |
Pigna | IM | 17 | 859 | 116098 |
Ceriana | IM | 18 | 1250 | 117348 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-07-04 09:39:01 |
43.7968 | 7.5812 | 7 | 2023-07-04 09:57:36 |
Sala Sismica INGV-Roma | 118958771 |
Field | Value |
---|---|
Time (UTC) | 2023-07-04 09:39:01 ± 0.19 |
Latitude | 43.7968 ± 0.0072 |
Longitude | 7.5812 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 118958771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 635 |
Semi-minor axis of confidence ellipse (meter) | 621 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 197 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44786 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 118958771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-04 09:57:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2023-07-04T09:39:11.62 | 0.3 | undecidable | manual | S | 63 | 27.9498 | 105 | 0.02 | 74 |
GU.ENR.HHZ. | 2023-07-04T09:39:10.96 | 1.0 | positive | manual | P | 345 | 49.7169 | 50 | -0.16 | 23 |
FR.SAOF.HHZ.00 | 2023-07-04T09:39:09.36 | 0.6 | undecidable | manual | S | 354 | 21.0678 | 109 | 0.04 | 50 |
GU.MGRO.HHZ. | 2023-07-04T09:39:08.61 | 1.0 | positive | manual | P | 34 | 32.745 | 103 | 0.32 | 23 |
GU.IMI.HHZ. | 2023-07-04T09:39:07.24 | 0.3 | undecidable | manual | P | 63 | 27.9498 | 105 | -0.12 | 73 |
FR.SAOF.HHZ.00 | 2023-07-04T09:39:05.95 | 0.6 | undecidable | manual | P | 354 | 21.0678 | 109 | -0.09 | 49 |
GU.BURY.HHZ. | 2023-07-04T09:39:04.11 | 0.3 | undecidable | manual | S | 230 | 2.4975 | 161 | -0.15 | 75 |
GU.BURY.HHZ. | 2023-07-04T09:39:03.30 | 0.1 | undecidable | manual | P | 230 | 2.4975 | 161 | 0.18 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
FR.SAOF.HHN.00 | ML:1.0 | 0.00007219066 | 0.8192 | AML | other | m | 2023-07-04T09:39:11.49 |
FR.SAOF.HHE.00 | ML:0.9 | 0.000056620130000000006 | 0.5568 | AML | other | m | 2023-07-04T09:39:11.34 |
GU.BURY.HHE. | ML:0.0 | 0.00071496805 | 0.1536 | AML | other | m | 2023-07-04T09:39:04.48 |
GU.BURY.HHN. | ML:0.0 | 0.0007943657499999999 | 0.16 | AML | other | m | 2023-07-04T09:39:04.47 |
GU.IMI.HHE. | ML:1.0 | 0.00004977629999999999 | 0.6784 | AML | other | m | 2023-07-04T09:39:15.84 |
GU.IMI.HHN. | ML:1.0 | 0.000059131085 | 0.4416 | AML | other | m | 2023-07-04T09:39:13.83 |