A magnitude ML 1.3 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.6430, 7.7430 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 |
---|---|---|---|---|
Bordighera | IM | 16 | 10469 | 10469 |
Ospedaletti | IM | 18 | 3367 | 13836 |
Vallecrosia | IM | 19 | 6956 | 20792 |
Ventimiglia | IM | 20 | 24310 | 45102 |
Vallebona | IM | 20 | 1310 | 46412 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-12-19 22:40:38 |
43.6433 | 7.7428 | 9 | 2023-12-19 22:50:36 |
Sala Sismica INGV-Roma | 124149341 |
Field | Value |
---|---|
Time (UTC) | 2023-12-19 22:40:38 ± 0.26 |
Latitude | 43.6433 ± 0.0126 |
Longitude | 7.7428 ± 0.0112 |
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 | 124149341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1428 |
Semi-minor axis of confidence ellipse (meter) | 902 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 199 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 284 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.97307 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 124149341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-19 22:50:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
RD.PGF.BHZ. | 2023-12-19T22:41:06.68 | 3.0 | positive | manual | P | 0 | 0 | |||
GU.CANO.HHZ. | 2023-12-19T22:41:01.82 | 0.3 | undecidable | manual | S | 32 | 73.9704 | 50 | 0.2 | 67 |
GU.RORO.HHZ. | 2023-12-19T22:40:57.26 | 0.1 | undecidable | manual | S | 26 | 58.0974 | 50 | -0.12 | 93 |
GU.PZZ.HHZ. | 2023-12-19T22:40:57.63 | 0.3 | undecidable | manual | P | 333 | 108.0141 | 50 | 0.37 | 60 |
FR.SAOF.HHZ.00 | 2023-12-19T22:40:52.69 | 0.3 | undecidable | manual | S | 338 | 40.9257 | 50 | -0.1 | 72 |
GU.STV.HHZ. | 2023-12-19T22:40:52.21 | 0.1 | undecidable | manual | P | 334 | 74.5698 | 50 | 0.1 | 91 |
GU.CANO.HHZ. | 2023-12-19T22:40:51.99 | 0.3 | undecidable | manual | P | 32 | 73.9704 | 50 | -0.03 | 69 |
GU.RORO.HHZ. | 2023-12-19T22:40:49.59 | 0.1 | undecidable | manual | P | 26 | 58.0974 | 50 | 0.02 | 95 |
GU.BURY.HHZ. | 2023-12-19T22:40:47.06 | 0.1 | undecidable | manual | S | 316 | 21.4674 | 112 | 0.09 | 100 |
FR.SAOF.HHZ.00 | 2023-12-19T22:40:46.63 | 0.3 | undecidable | manual | P | 338 | 40.9257 | 50 | -0.29 | 70 |
GU.BURY.HHZ. | 2023-12-19T22:40:43.42 | 0.1 | undecidable | manual | P | 316 | 21.4674 | 112 | -0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
FR.SAOF.HHN.00 | ML:1.1 | 0.0000429 | 0.6 | AML | other | m | 2023-12-19T22:40:54.50 |
FR.SAOF.HHE.00 | ML:1.1 | 0.000042749999999999996 | 1.12 | AML | other | m | 2023-12-19T22:40:55.31 |
GU.RORO.HHE. | ML:1.3 | 0.00003995 | 0.12 | AML | other | m | 2023-12-19T22:40:58.26 |
GU.RORO.HHN. | ML:1.3 | 0.00003925 | 0.62 | AML | other | m | 2023-12-19T22:40:58.35 |
GU.CANO.HHN. | ML:1.3 | 0.0000279 | 0.82 | AML | other | m | 2023-12-19T22:41:02.60 |
GU.CANO.HHE. | ML:1.4 | 0.00003855 | 0.76 | AML | other | m | 2023-12-19T22:41:18.32 |