A magnitude ML 2.0 earthquake occured in region: 5 km W Mazzarrone (CT), on
and geographic coordinates (lat, lon) 37.1000, 14.5100 at 23 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 |
---|---|---|---|---|
Mazzarrone | CT | 5 | 4078 | 4078 |
Acate | RG | 8 | 10954 | 15032 |
Niscemi | CL | 12 | 27558 | 42590 |
Caltagirone | CT | 16 | 38686 | 81276 |
Vittoria | RG | 17 | 63339 | 144615 |
Grammichele | CT | 17 | 13418 | 158033 |
Licodia Eubea | CT | 18 | 3081 | 161114 |
Chiaramonte Gulfi | RG | 19 | 8238 | 169352 |
Comiso | RG | 19 | 30156 | 199508 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2021-12-21 12:12:15 |
37.1002 | 14.5103 | 23 | 2022-03-30 13:04:31 |
Bollettino Sismico Italiano INGV | 99868451 |
Reviewed Rev100 |
ML 2.1 | 2021-12-21 12:12:15 |
37.1072 | 14.5072 | 24 | 2021-12-21 12:16:00 |
Sala Sismica INGV-Roma | 98788051 |
Field | Value |
---|---|
Time (UTC) | 2021-12-21 12:12:15 ± 0.19 |
Latitude | 37.1002 ± 0.0090 |
Longitude | 14.5103 ± 0.0079 |
Depth (km) | 23 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99868451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1000 |
Semi-minor axis of confidence ellipse (meter) | 126 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 14 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1000.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.98566 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 99868451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-06 09:59:22 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 98788051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-21 12:16:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HSRS.HHZ. | 2021-12-21T12:12:35.70 | 0.3 | undecidable | manual | S | 91 | 62.9925 | 103 | 0.44 | 67 |
IV.MUCR.HHZ. | 2021-12-21T12:12:34.02 | 0.3 | undecidable | manual | P | 17 | 109.4127 | 97 | 0 | 66 |
IV.CSLB.HHZ. | 2021-12-21T12:12:33.13 | 0.3 | undecidable | manual | P | 337 | 101.0211 | 98 | 0.38 | 63 |
IV.SSY.HHZ. | 2021-12-21T12:12:33.19 | 0.6 | undecidable | manual | S | 83 | 50.2164 | 107 | 1.21 | 32 |
IV.HCRL.HHZ. | 2021-12-21T12:12:32.18 | 0.6 | undecidable | manual | S | 66 | 50.4162 | 107 | 0.15 | 48 |
IV.HLNI.HHZ. | 2021-12-21T12:12:29.50 | 0.1 | undecidable | manual | S | 49 | 42.2244 | 111 | -0.45 | 93 |
IV.CROCE.HHZ. | 2021-12-21T12:12:27.23 | 0.6 | undecidable | manual | S | 176 | 29.748 | 121 | 0.28 | 50 |
IV.HMDC.HHZ. | 2021-12-21T12:12:27.30 | 0.6 | undecidable | manual | S | 123 | 28.749 | 122 | 0.57 | 46 |
IV.HSRS.HHZ. | 2021-12-21T12:12:26.79 | 0.3 | undecidable | manual | P | 91 | 62.9925 | 103 | -0.18 | 70 |
IV.RAFF.HHZ. | 2021-12-21T12:12:25.18 | 0.6 | undecidable | manual | S | 316 | 18.87 | 135 | 0.54 | 46 |
MN.VAE.HHZ. | 2021-12-21T12:12:25.02 | 0.3 | undecidable | manual | P | 341 | 43.2234 | 110 | 0.98 | 56 |
IV.SSY.HHZ. | 2021-12-21T12:12:25.06 | 0.1 | positive | manual | P | 83 | 50.2164 | 107 | -0.01 | 99 |
IV.CLTA.HHZ. | 2021-12-21T12:12:25.11 | 0.1 | positive | manual | P | 278 | 48.9177 | 108 | 0.23 | 96 |
IV.HVZN.HHZ. | 2021-12-21T12:12:24.94 | 0.6 | undecidable | manual | S | 64 | 20.0688 | 133 | 0.05 | 51 |
IV.HCRL.HHZ. | 2021-12-21T12:12:24.73 | 0.1 | positive | manual | P | 66 | 50.4162 | 107 | -0.37 | 93 |
IV.HLNI.HHZ. | 2021-12-21T12:12:23.36 | 0.1 | positive | manual | P | 49 | 42.2244 | 111 | -0.54 | 90 |
IV.HVIT.HHZ. | 2021-12-21T12:12:23.46 | 0.6 | undecidable | manual | S | 175 | 11.9769 | 149 | -0.05 | 53 |
IV.CROCE.HHZ. | 2021-12-21T12:12:22.06 | 0.1 | negative | manual | P | 176 | 29.748 | 121 | -0.11 | 100 |
IV.HMDC.HHZ. | 2021-12-21T12:12:22.02 | 0.3 | undecidable | manual | P | 123 | 28.749 | 122 | -0.02 | 77 |
IV.RAFF.HHZ. | 2021-12-21T12:12:20.47 | 0.1 | positive | manual | P | 316 | 18.87 | 135 | -0.37 | 98 |
IV.HVZN.HHZ. | 2021-12-21T12:12:20.71 | 0.1 | positive | manual | P | 64 | 20.0688 | 133 | -0.26 | 100 |
IV.HVIT.HHZ. | 2021-12-21T12:12:19.88 | 0.1 | negative | manual | P | 175 | 11.9769 | 149 | -0.3 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HVIT.HHN. | ML:2.2 | 0.0010385 | 0.28 | AML | other | m | 2021-12-21T12:12:23.61 |
IV.HVIT.HHE. | ML:2.0 | 0.0005574999999999999 | 1.66 | AML | other | m | 2021-12-21T12:12:23.04 |
IV.HVZN.HHN. | ML:2.1 | 0.0006245000000000001 | 0.16 | AML | other | m | 2021-12-21T12:12:25.16 |
IV.HVZN.HHE. | ML:2.2 | 0.0008195 | 1.2 | AML | other | m | 2021-12-21T12:12:25.28 |
IV.RAFF.HHN. | ML:2.2 | 0.000921 | 0.28 | AML | other | m | 2021-12-21T12:12:25.43 |
IV.CLTA.HHN. | ML:1.7 | 0.00013000000000000002 | 0.18 | AML | other | m | 2021-12-21T12:12:25.29 |
IV.RAFF.HHE. | ML:2.2 | 0.0008500000000000001 | 0.76 | AML | other | m | 2021-12-21T12:12:25.43 |
IV.CROCE.HNN. | ML:1.8 | 0.0002295 | 0.52 | AML | other | m | 2021-12-21T12:12:27.36 |
IV.CROCE.HHN. | ML:1.6 | 0.00016099999999999998 | 0.16 | AML | other | m | 2021-12-21T12:12:27.36 |
IV.HMDC.HHE. | ML:2.2 | 0.00066 | 0.18 | AML | other | m | 2021-12-21T12:12:27.53 |
IV.HMDC.HNE. | ML:2.1 | 0.00054 | 0.18 | AML | other | m | 2021-12-21T12:12:27.54 |
IV.CROCE.HHE. | ML:1.8 | 0.0002515 | 0.24 | AML | other | m | 2021-12-21T12:12:27.48 |
IV.CROCE.HNE. | ML:1.9 | 0.00031599999999999993 | 0.26 | AML | other | m | 2021-12-21T12:12:27.47 |
IV.HMDC.HHN. | ML:2.2 | 0.0006915000000000001 | 0.34 | AML | other | m | 2021-12-21T12:12:27.43 |
IV.HMDC.HNN. | ML:2.2 | 0.0006285 | 0.34 | AML | other | m | 2021-12-21T12:12:27.44 |
IV.HLNI.HHN. | ML:2.0 | 0.000299 | 0.42 | AML | other | m | 2021-12-21T12:12:29.78 |
IV.HLNI.HHE. | ML:2.1 | 0.000382 | 0.14 | AML | other | m | 2021-12-21T12:12:29.76 |
IV.CLTA.HHE. | ML:1.7 | 0.00011765 | 0.42 | AML | other | m | 2021-12-21T12:12:35.47 |
IV.HCRL.HHE. | ML:1.8 | 0.0001585 | 0.34 | AML | other | m | 2021-12-21T12:12:35.32 |
IV.SSY.HNE. | ML:2.1 | 0.0002715 | 0.58 | AML | other | m | 2021-12-21T12:12:35.79 |
IV.HCRL.HHN. | ML:2.0 | 0.00021600000000000002 | 0.12 | AML | other | m | 2021-12-21T12:12:35.57 |
IV.SSY.HHE. | ML:2.3 | 0.0004755 | 0.62 | AML | other | m | 2021-12-21T12:12:35.41 |
IV.SSY.HHN. | ML:2.6 | 0.001075 | 1.44 | AML | other | m | 2021-12-21T12:12:36.15 |
IV.HSRS.HHE. | ML:1.9 | 0.000143 | 1.68 | AML | other | m | 2021-12-21T12:12:36.99 |
IV.SSY.HNN. | ML:2.1 | 0.0003255 | 1.44 | AML | other | m | 2021-12-21T12:12:36.15 |
IV.HSRS.HHN. | ML:1.8 | 0.0001184 | 0.14 | AML | other | m | 2021-12-21T12:12:36.17 |
IV.MUCR.HHE. | ML:2.2 | 0.00013895000000000002 | 1.56 | AML | other | m | 2021-12-21T12:12:48.85 |
IV.MUCR.HHN. | ML:2.2 | 0.000122 | 0.36 | AML | other | m | 2021-12-21T12:12:49.55 |