A magnitude ML 1.5 earthquake occured in region: 5 km S Alia (PA), on
and geographic coordinates (lat, lon) 37.7350, 13.6960 at 3 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Alia | PA | 5 | 3623 | 3623 |
Lercara Friddi | PA | 8 | 6748 | 10371 |
Roccapalumba | PA | 9 | 2516 | 12887 |
Castronovo di Sicilia | PA | 10 | 3085 | 15972 |
Valledolmo | PA | 12 | 3594 | 19566 |
Cammarata | AG | 12 | 6355 | 25921 |
San Giovanni Gemini | AG | 13 | 8056 | 33977 |
Vallelunga Pratameno | CL | 13 | 3461 | 37438 |
Montemaggiore Belsito | PA | 14 | 3365 | 40803 |
Vicari | PA | 15 | 2901 | 43704 |
Villalba | CL | 16 | 1633 | 45337 |
Aliminusa | PA | 16 | 1236 | 46573 |
Sclafani Bagni | PA | 17 | 426 | 46999 |
Mussomeli | CL | 18 | 10780 | 57779 |
Acquaviva Platani | CL | 18 | 948 | 58727 |
Caltavuturo | PA | 20 | 4017 | 62744 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2023-04-20 22:27:44 |
37.7352 | 13.6962 | 3 | 2024-03-01 17:18:08 |
Bollettino Sismico Italiano INGV | 117291091 |
Reviewed Rev100 |
ML 1.5 | 2023-04-20 22:27:44 |
37.7283 | 13.7133 | 3 | 2023-04-20 22:37:15 |
Sala Sismica INGV-Roma | 116560751 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 22:27:44 ± 0.17 |
Latitude | 37.7352 ± 0.0099 |
Longitude | 13.6962 ± 0.0102 |
Depth (km) | 3 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 117291091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1140 |
Semi-minor axis of confidence ellipse (meter) | 840 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 350 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.04766 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62323 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 117291091 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-26 14:24:42 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 116560751 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 22:37:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSLB.HHZ. | 2023-04-20T22:27:58.64 | 0.6 | undecidable | manual | S | 55 | 38.8278 | 94 | 0.8 | 42 |
IV.MBFT.HHN. | 2023-04-20T22:27:58.40 | 0.3 | undecidable | manual | P | 290 | 69.1752 | 50 | 0.95 | 56 |
IV.CRJA.HNZ. | 2023-04-20T22:27:57.20 | 0.6 | undecidable | manual | P | 277 | 61.0944 | 50 | 0.99 | 37 |
IV.MARIO.HHE. | 2023-04-20T22:27:55.76 | 0.6 | undecidable | manual | S | 317 | 33.5442 | 95 | -0.24 | 50 |
IV.PLLN.EHN. | 2023-04-20T22:27:54.02 | 0.3 | undecidable | manual | P | 54 | 48.4182 | 93 | -0.03 | 77 |
IV.GIB.HHZ. | 2023-04-20T22:27:52.29 | 0.3 | undecidable | manual | P | 46 | 40.4262 | 94 | -0.16 | 76 |
IV.SOLUN.HHZ. | 2023-04-20T22:27:52.66 | 0.3 | undecidable | manual | P | 340 | 42.1245 | 94 | -0.12 | 76 |
IV.CSLB.HHZ. | 2023-04-20T22:27:51.75 | 0.3 | undecidable | manual | P | 55 | 38.8278 | 94 | -0.38 | 73 |
IV.CORL.HHZ. | 2023-04-20T22:27:51.66 | 0.3 | undecidable | manual | P | 297 | 38.628 | 94 | -0.44 | 72 |
IV.RESU.HHE. | 2023-04-20T22:27:51.81 | 0.3 | undecidable | manual | P | 107 | 33.1446 | 95 | 0.82 | 63 |
IV.MARIO.HHE. | 2023-04-20T22:27:50.59 | 0.3 | undecidable | manual | P | 317 | 33.5442 | 95 | -0.47 | 72 |
IV.MCT.HHZ. | 2023-04-20T22:27:49.81 | 0.6 | undecidable | manual | S | 211 | 15.0738 | 101 | 0.15 | 53 |
IV.CIMI.HHZ. | 2023-04-20T22:27:48.80 | 0.1 | undecidable | manual | P | 326 | 19.4694 | 98 | 0.52 | 97 |
IV.ALJA.HHZ. | 2023-04-20T22:27:46.25 | 0.6 | undecidable | manual | S | 73 | 5.2947 | 119 | -0.17 | 54 |
IV.MCT.HHZ. | 2023-04-20T22:27:46.73 | 0.3 | undecidable | manual | P | 211 | 15.0738 | 101 | -0.68 | 69 |
IV.ALJA.HHZ. | 2023-04-20T22:27:45.04 | 0.1 | undecidable | manual | P | 73 | 5.2947 | 119 | -0.5 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MCT.HHE. | ML:1.4 | 0.00030000000000000003 | 0.6 | AML | other | m | 2023-04-20T22:27:54.90 |
IV.MCT.HHN. | ML:1.5 | 0.00038849999999999996 | 0.44 | AML | other | m | 2023-04-20T22:27:57.55 |
IV.CIMI.HHN. | ML:1.6 | 0.00032299999999999994 | 1.32 | AML | other | m | 2023-04-20T22:27:57.69 |
IV.CIMI.HNN. | ML:1.6 | 0.0003835 | 1.4 | AML | other | m | 2023-04-20T22:27:57.04 |
IV.CIMI.HNE. | ML:1.6 | 0.0003675 | 0.6 | AML | other | m | 2023-04-20T22:28:01.22 |
IV.CSLB.HHN. | ML:1.2 | 0.00005275 | 1.1 | AML | other | m | 2023-04-20T22:28:01.24 |
IV.CIMI.HHE. | ML:1.6 | 0.00034550000000000005 | 0.56 | AML | other | m | 2023-04-20T22:28:01.52 |
IV.CSLB.HHE. | ML:1.2 | 0.00005305 | 0.34 | AML | other | m | 2023-04-20T22:28:01.36 |
IV.GIB.HHN. | ML:1.6 | 0.00014150000000000002 | 1.52 | AML | other | m | 2023-04-20T22:28:01.18 |
IV.GIB.HHE. | ML:1.5 | 0.000121 | 0.42 | AML | other | m | 2023-04-20T22:28:06.17 |
IV.CORL.HHE. | ML:1.5 | 0.0001125 | 0.66 | AML | other | m | 2023-04-20T22:28:08.62 |
IV.CORL.HHN. | ML:1.5 | 0.00011295 | 1.08 | AML | other | m | 2023-04-20T22:28:17.21 |