A magnitude ML 1.8 earthquake occured in region: 7 km SW Ramacca (CT), on
and geographic coordinates (lat, lon) 37.3360, 14.6410 at 25 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 |
---|---|---|---|---|
Ramacca | CT | 7 | 10894 | 10894 |
Mineo | CT | 9 | 5159 | 16053 |
Palagonia | CT | 9 | 16608 | 32661 |
Grammichele | CT | 13 | 13418 | 46079 |
Militello in Val di Catania | CT | 15 | 7443 | 53522 |
Caltagirone | CT | 16 | 38686 | 92208 |
Mirabella Imbaccari | CT | 17 | 4912 | 97120 |
Castel di Iudica | CT | 18 | 4625 | 101745 |
Raddusa | CT | 18 | 3178 | 104923 |
Scordia | CT | 19 | 17095 | 122018 |
Aidone | EN | 19 | 4889 | 126907 |
San Michele di Ganzaria | CT | 20 | 3245 | 130152 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-02-23 21:48:20 |
37.3362 | 14.6413 | 25 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87601161 |
Reviewed Rev100 |
ML 1.8 | 2021-02-23 21:48:20 |
37.334 | 14.627 | 26 | 2021-02-23 21:57:04 |
Sala Sismica INGV-Roma | 87417361 |
Field | Value |
---|---|
Time (UTC) | 2021-02-23 21:48:20 ± 0.12 |
Latitude | 37.3362 ± 0.0054 |
Longitude | 14.6413 ± 0.0068 |
Depth (km) | 25 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87601161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 598 |
Semi-minor axis of confidence ellipse (meter) | 288 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 58 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.16817 |
Epicentral distance of station farthest from the epicenter (degree) | 1.15203 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 87601161 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-19 18:02:20 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 87417361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-23 21:57:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSRU.HHZ. | 2021-02-23T21:48:57.44 | 0.3 | undecidable | manual | S | 36 | 127.872 | 97 | 0.21 | 59 |
IV.MUCR.HHZ. | 2021-02-23T21:48:45.33 | 0.3 | undecidable | manual | S | 15 | 81.0522 | 102 | 0.47 | 61 |
IV.MSRU.HHZ. | 2021-02-23T21:48:41.28 | 0.3 | undecidable | manual | P | 36 | 127.872 | 97 | -0.38 | 59 |
IV.HAVL.HHZ. | 2021-02-23T21:48:39.82 | 0.3 | undecidable | manual | S | 134 | 59.5959 | 106 | 0.52 | 66 |
IV.CROCE.HHZ. | 2021-02-23T21:48:38.61 | 0.3 | undecidable | manual | S | 190 | 56.6988 | 107 | 0.05 | 72 |
IV.HAGA.HHZ. | 2021-02-23T21:48:36.01 | 0.3 | undecidable | manual | S | 97 | 45.621 | 112 | 0.22 | 71 |
IV.SSY.HHZ. | 2021-02-23T21:48:35.63 | 0.3 | undecidable | manual | S | 117 | 43.0236 | 114 | 0.5 | 68 |
IV.HMDC.HHZ. | 2021-02-23T21:48:35.69 | 0.3 | undecidable | manual | S | 163 | 43.7229 | 113 | 0.39 | 69 |
IV.MUCR.HHZ. | 2021-02-23T21:48:34.83 | 0.3 | undecidable | manual | P | 15 | 81.0522 | 102 | 0.31 | 64 |
IV.HCRL.HHZ. | 2021-02-23T21:48:33.30 | 0.3 | undecidable | manual | S | 100 | 35.0427 | 119 | 0.08 | 75 |
IV.ACATE.EHZ. | 2021-02-23T21:48:33.45 | 0.3 | undecidable | manual | S | 200 | 36.8298 | 118 | -0.19 | 71 |
IV.RAFF.HHZ. | 2021-02-23T21:48:32.24 | 0.6 | undecidable | manual | S | 243 | 27.6501 | 126 | 0.67 | 42 |
IV.HAVL.HHZ. | 2021-02-23T21:48:31.39 | 0.3 | undecidable | manual | P | 134 | 59.5959 | 106 | 0.08 | 71 |
IV.HSRS.HNN. | 2021-02-23T21:48:31.27 | 0.6 | undecidable | manual | P | 118 | 57.9975 | 107 | 0.2 | 46 |
IV.HVZN.HHZ. | 2021-02-23T21:48:30.06 | 0.1 | undecidable | manual | S | 160 | 18.6702 | 139 | 0.26 | 99 |
IV.CROCE.HHZ. | 2021-02-23T21:48:30.43 | 0.3 | undecidable | manual | P | 190 | 56.6988 | 107 | -0.45 | 65 |
IV.CPTP.HHZ. | 2021-02-23T21:48:29.58 | 0.3 | undecidable | manual | P | 281 | 42.9237 | 114 | 0.68 | 61 |
IV.HLNI.HHZ. | 2021-02-23T21:48:29.75 | 0.3 | undecidable | manual | S | 86 | 20.3685 | 136 | -0.36 | 71 |
IV.HMDC.HHZ. | 2021-02-23T21:48:28.81 | 0.1 | undecidable | manual | P | 163 | 43.7229 | 113 | -0.19 | 94 |
IV.SSY.HHZ. | 2021-02-23T21:48:28.83 | 0.1 | undecidable | manual | P | 117 | 43.0236 | 114 | -0.08 | 96 |
IV.ESML.HNE. | 2021-02-23T21:48:28.01 | 0.3 | undecidable | manual | P | 34 | 37.629 | 117 | -0.15 | 73 |
IV.GALF.HHZ. | 2021-02-23T21:48:28.48 | 0.3 | undecidable | manual | P | 351 | 42.0246 | 114 | -0.3 | 71 |
IV.HAGA.HHZ. | 2021-02-23T21:48:28.96 | 0.1 | undecidable | manual | P | 97 | 45.621 | 112 | -0.32 | 91 |
IV.HCRL.HHZ. | 2021-02-23T21:48:27.53 | 0.1 | undecidable | manual | P | 100 | 35.0427 | 119 | -0.27 | 94 |
IV.CAGR.HHE. | 2021-02-23T21:48:27.62 | 0.6 | undecidable | manual | P | 339 | 34.0437 | 120 | -0.06 | 50 |
IV.ACATE.EHZ. | 2021-02-23T21:48:27.92 | 0.3 | undecidable | manual | P | 200 | 36.8298 | 118 | -0.12 | 73 |
IV.RAFF.HHZ. | 2021-02-23T21:48:26.61 | 0.1 | undecidable | manual | P | 243 | 27.6501 | 126 | -0.24 | 97 |
IV.HVZN.HHZ. | 2021-02-23T21:48:25.71 | 0.1 | undecidable | manual | P | 160 | 18.6702 | 139 | -0.12 | 100 |
IV.HLNI.HHZ. | 2021-02-23T21:48:25.61 | 0.3 | undecidable | manual | P | 86 | 20.3685 | 136 | -0.4 | 71 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HVZN.HHN. | ML:2.1 | 0.0006065 | 0.24 | AML | other | m | 2021-02-23T21:48:30.30 |
IV.HVZN.HNN. | ML:2.0 | 0.0005809999999999999 | 0.24 | AML | other | m | 2021-02-23T21:48:30.30 |
IV.HVZN.HHE. | ML:1.9 | 0.000375 | 1 | AML | other | m | 2021-02-23T21:48:30.58 |
IV.HVZN.HNE. | ML:1.9 | 0.00035499999999999996 | 1 | AML | other | m | 2021-02-23T21:48:30.58 |
IV.RAFF.HHN. | ML:1.7 | 0.00021250000000000002 | 0.16 | AML | other | m | 2021-02-23T21:48:32.80 |
IV.RAFF.HHE. | ML:2.0 | 0.0004005 | 0.52 | AML | other | m | 2021-02-23T21:48:32.72 |
IV.HCRL.HHN. | ML:1.7 | 0.0001565 | 1.38 | AML | other | m | 2021-02-23T21:48:33.81 |
IV.HCRL.HHE. | ML:1.6 | 0.0001385 | 1.7 | AML | other | m | 2021-02-23T21:48:34.14 |
IV.ACATE.EHN. | ML:1.8 | 0.000191 | 0.56 | AML | other | m | 2021-02-23T21:48:35.27 |
IV.HMDC.HHE. | ML:2.0 | 0.000249 | 1.38 | AML | other | m | 2021-02-23T21:48:35.98 |
IV.HMDC.HHN. | ML:1.8 | 0.0001825 | 0.48 | AML | other | m | 2021-02-23T21:48:36.07 |
IV.SSY.HHE. | ML:2.2 | 0.0004075 | 0.36 | AML | other | m | 2021-02-23T21:48:36.19 |
IV.HAGA.HHE. | ML:1.5 | 0.0000829 | 0.24 | AML | other | m | 2021-02-23T21:48:36.51 |
IV.ACATE.EHE. | ML:1.8 | 0.000214 | 1.06 | AML | other | m | 2021-02-23T21:48:36.18 |
IV.HAGA.HHN. | ML:1.6 | 0.00010400000000000001 | 1.36 | AML | other | m | 2021-02-23T21:48:37.73 |
IV.GALF.HHN. | ML:1.6 | 0.00011804999999999998 | 1.42 | AML | other | m | 2021-02-23T21:48:38.83 |
IV.CROCE.HHN. | ML:1.6 | 0.00008515000000000001 | 1.54 | AML | other | m | 2021-02-23T21:48:38.16 |
IV.CROCE.HHE. | ML:1.4 | 0.000050799999999999995 | 1.8 | AML | other | m | 2021-02-23T21:48:38.03 |
IV.SSY.HHN. | ML:2.4 | 0.0007084999999999999 | 0.26 | AML | other | m | 2021-02-23T21:48:39.68 |
IV.HAVL.HHE. | ML:2.3 | 0.0003795 | 0.28 | AML | other | m | 2021-02-23T21:48:41.61 |
IV.HAVL.HHN. | ML:2.3 | 0.00038849999999999996 | 0.12 | AML | other | m | 2021-02-23T21:48:41.67 |
IV.GALF.HHE. | ML:1.6 | 0.0001038 | 1.24 | AML | other | m | 2021-02-23T21:48:42.99 |
IV.MUCR.HHN. | ML:1.6 | 0.00005395 | 0.36 | AML | other | m | 2021-02-23T21:48:46.61 |
IV.MUCR.HHE. | ML:1.7 | 0.00006555 | 1.16 | AML | other | m | 2021-02-23T21:48:46.34 |