A magnitude ML 1.7 earthquake occured in region: Costa Ligure Occidentale (Imperia), on
and geographic coordinates (lat, lon) 43.7310, 7.9060 at 10 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 |
---|---|---|---|---|
Santo Stefano al Mare | IM | 12 | 2197 | 2197 |
Riva Ligure | IM | 12 | 2910 | 5107 |
Taggia | IM | 13 | 14116 | 19223 |
Pompeiana | IM | 14 | 823 | 20046 |
Terzorio | IM | 14 | 216 | 20262 |
Cipressa | IM | 14 | 1290 | 21552 |
Sanremo | IM | 14 | 54807 | 76359 |
Costarainera | IM | 14 | 828 | 77187 |
San Lorenzo al Mare | IM | 15 | 1297 | 78484 |
Castellaro | IM | 15 | 1256 | 79740 |
Ospedaletti | IM | 17 | 3367 | 83107 |
Civezza | IM | 17 | 609 | 83716 |
Pietrabruna | IM | 18 | 501 | 84217 |
Bordighera | IM | 20 | 10469 | 94686 |
Imperia | IM | 20 | 42034 | 136720 |
Ceriana | IM | 20 | 1250 | 137970 |
Dolcedo | IM | 20 | 1415 | 139385 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-05-14 01:22:54 |
43.7308 | 7.906 | 10 | 2023-05-14 01:51:21 |
Sala Sismica INGV-Roma | 117331401 |
Field | Value |
---|---|
Time (UTC) | 2023-05-14 01:22:54 ± 0.21 |
Latitude | 43.7308 ± 0.0090 |
Longitude | 7.9060 ± 0.0112 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117331401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1067 |
Semi-minor axis of confidence ellipse (meter) | 744 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 336 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1070.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 253 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.17986 |
Epicentral distance of station farthest from the epicenter (degree) | 1.19610 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 117331401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-14 01:51:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.HHZ. | 2023-05-14T01:23:25.53 | 0.6 | undecidable | manual | S | 324 | 106.6155 | 50 | 0.24 | 41 |
GU.BHB.HHZ. | 2023-05-14T01:23:16.22 | 0.6 | negative | manual | P | 338 | 132.7671 | 50 | 0.03 | 40 |
GU.ENR.HHZ. | 2023-05-14T01:23:14.85 | 0.1 | undecidable | manual | S | 325 | 67.6767 | 50 | -0.04 | 91 |
GU.PZZ.HHZ. | 2023-05-14T01:23:12.69 | 0.3 | positive | manual | P | 324 | 106.6155 | 50 | 0.53 | 57 |
GU.PCP.HHZ. | 2023-05-14T01:23:11.95 | 1.0 | positive | manual | P | 29 | 103.3188 | 50 | 0.3 | 20 |
4P.IT06A.HHZ. | 2023-05-14T01:23:10.35 | 0.3 | positive | manual | P | 359 | 89.3439 | 50 | 0.85 | 52 |
IV.QLNO.HHZ. | 2023-05-14T01:23:07.05 | 1.0 | positive | manual | P | 28 | 74.5698 | 50 | -0.18 | 22 |
GU.STV.HHZ. | 2023-05-14T01:23:07.20 | 0.3 | positive | manual | P | 321 | 73.4709 | 50 | 0.15 | 66 |
GU.MGRO.HHZ. | 2023-05-14T01:23:06.14 | 0.3 | undecidable | manual | S | 347 | 35.4423 | 50 | -0.16 | 71 |
GU.ENR.HHZ. | 2023-05-14T01:23:06.19 | 0.1 | undecidable | manual | P | 325 | 67.6767 | 50 | 0.04 | 91 |
GU.CANO.HHZ. | 2023-05-14T01:23:04.58 | 0.3 | undecidable | manual | P | 26 | 59.0964 | 50 | -0.26 | 67 |
GU.BURY.HHZ. | 2023-05-14T01:23:04.33 | 0.1 | undecidable | manual | S | 282 | 28.5492 | 50 | -0.12 | 96 |
GU.GBOS.HHZ. | 2023-05-14T01:23:04.42 | 0.1 | undecidable | manual | P | 355 | 56.8986 | 50 | -0.08 | 93 |
GU.RORO.HHZ. | 2023-05-14T01:23:02.25 | 0.6 | positive | manual | P | 17 | 44.2224 | 50 | -0.3 | 45 |
GU.MGRO.HHZ. | 2023-05-14T01:23:01.12 | 0.1 | undecidable | manual | P | 347 | 35.4423 | 50 | -0.08 | 96 |
GU.IMI.HHZ. | 2023-05-14T01:23:01.99 | 0.1 | undecidable | manual | S | 357 | 19.9689 | 118 | -0.04 | 100 |
FR.SAOF.HHZ.00 | 2023-05-14T01:23:01.68 | 0.1 | undecidable | manual | P | 315 | 39.9267 | 50 | -0.21 | 93 |
GU.BURY.HHZ. | 2023-05-14T01:23:00.10 | 0.1 | undecidable | manual | P | 282 | 28.5492 | 50 | -0.03 | 98 |
GU.IMI.HHZ. | 2023-05-14T01:22:58.71 | 0.1 | undecidable | manual | P | 357 | 19.9689 | 118 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.IMI.HHE. | ML:2.0 | 0.0007105 | 0.08 | AML | other | m | 2023-05-14T01:23:02.11 |
GU.IMI.HHN. | ML:2.0 | 0.000716 | 0.08 | AML | other | m | 2023-05-14T01:23:02.14 |
GU.BURY.HHE. | ML:1.5 | 0.000157 | 0.86 | AML | other | m | 2023-05-14T01:23:04.43 |
GU.BURY.HNN. | ML:1.6 | 0.000191 | 1.34 | AML | other | m | 2023-05-14T01:23:04.15 |
GU.BURY.HHN. | ML:1.4 | 0.000136 | 0.06 | AML | other | m | 2023-05-14T01:23:04.83 |
GU.BURY.HNE. | ML:1.5 | 0.000171 | 0.58 | AML | other | m | 2023-05-14T01:23:05.97 |
GU.MGRO.HHN. | ML:1.5 | 0.000113 | 0.18 | AML | other | m | 2023-05-14T01:23:06.40 |
GU.MGRO.HHE. | ML:1.7 | 0.000178 | 0.12 | AML | other | m | 2023-05-14T01:23:06.86 |
FR.SAOF.HHE.00 | ML:2.0 | 0.00030649999999999997 | 0.36 | AML | other | m | 2023-05-14T01:23:07.71 |
FR.SAOF.HHN.00 | ML:1.8 | 0.0002205 | 0.98 | AML | other | m | 2023-05-14T01:23:07.47 |
GU.RORO.HHE. | ML:1.7 | 0.0001385 | 0.62 | AML | other | m | 2023-05-14T01:23:08.85 |
GU.RORO.HHN. | ML:1.5 | 0.00009375 | 0.44 | AML | other | m | 2023-05-14T01:23:09.29 |
GU.CANO.HHE. | ML:1.9 | 0.0001725 | 0.5 | AML | other | m | 2023-05-14T01:23:12.31 |
GU.CANO.HHN. | ML:1.6 | 0.00009164999999999999 | 0.88 | AML | other | m | 2023-05-14T01:23:13.48 |
GU.GBOS.HHE. | ML:1.3 | 0.0000475 | 0.12 | AML | other | m | 2023-05-14T01:23:13.59 |
GU.GBOS.HHN. | ML:1.3 | 0.0000419 | 0.96 | AML | other | m | 2023-05-14T01:23:13.32 |
GU.ENR.HHN. | ML:2.0 | 0.0001555 | 0.38 | AML | other | m | 2023-05-14T01:23:15.47 |
GU.ENR.HHE. | ML:1.8 | 0.0001095 | 0.88 | AML | other | m | 2023-05-14T01:23:15.28 |
GU.STV.HHE. | ML:1.9 | 0.00012790000000000002 | 0.14 | AML | other | m | 2023-05-14T01:23:16.88 |
GU.STV.HHN. | ML:1.7 | 0.0000809 | 0.82 | AML | other | m | 2023-05-14T01:23:17.97 |
IV.QLNO.HHE. | ML:1.5 | 0.00005045 | 1.34 | AML | other | m | 2023-05-14T01:23:18.82 |
IV.QLNO.HHN. | ML:1.6 | 0.000058099999999999996 | 0.7 | AML | other | m | 2023-05-14T01:23:19.13 |
4P.IT06A.HHE. | ML:1.9 | 0.00009805 | 1.58 | AML | other | m | 2023-05-14T01:23:22.14 |
4P.IT06A.HHN. | ML:1.9 | 0.0000847 | 0.7 | AML | other | m | 2023-05-14T01:23:24.28 |
GU.PCP.HHN. | ML:1.5 | 0.000028499999999999998 | 0.5 | AML | other | m | 2023-05-14T01:23:25.81 |
GU.PZZ.HHE. | ML:2.0 | 0.0000897 | 1.16 | AML | other | m | 2023-05-14T01:23:25.93 |
GU.PZZ.HHN. | ML:2.0 | 0.0000895 | 0.22 | AML | other | m | 2023-05-14T01:23:26.32 |
GU.PCP.HHE. | ML:1.5 | 0.0000309 | 0.62 | AML | other | m | 2023-05-14T01:23:27.37 |