A magnitude ML 1.6 earthquake occured in region: 6 km E Mazzarrone (CT), on
and geographic coordinates (lat, lon) 37.1040, 14.6200 at 22 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 | 6 | 4078 | 4078 |
Licodia Eubea | CT | 10 | 3081 | 7159 |
Chiaramonte Gulfi | RG | 11 | 8238 | 15397 |
Grammichele | CT | 13 | 13418 | 28815 |
Monterosso Almo | RG | 13 | 3032 | 31847 |
Vizzini | CT | 13 | 6241 | 38088 |
Acate | RG | 14 | 10954 | 49042 |
Giarratana | RG | 17 | 3048 | 52090 |
Comiso | RG | 18 | 30156 | 82246 |
Caltagirone | CT | 18 | 38686 | 120932 |
Vittoria | RG | 19 | 63339 | 184271 |
Mineo | CT | 19 | 5159 | 189430 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-09-27 04:08:00 |
37.1042 | 14.6202 | 22 | 2022-03-30 13:04:10 |
Bollettino Sismico Italiano INGV | 96426161 |
Reviewed Rev100 |
ML 1.6 | 2021-09-27 04:08:00 |
37.1028 | 14.6068 | 23 | 2021-09-27 04:14:54 |
Sala Sismica INGV-Roma | 95925781 |
Field | Value |
---|---|
Time (UTC) | 2021-09-27 04:08:00 ± 0.15 |
Latitude | 37.1042 ± 0.0054 |
Longitude | 14.6202 ± 0.0056 |
Depth (km) | 22 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96426161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 646 |
Semi-minor axis of confidence ellipse (meter) | 236 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 171 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 650.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.10612 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52700 |
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 | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 96426161 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-12 08:12:05 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 95925781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-27 04:14:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HSRS.HHZ. | 2021-09-27T04:08:17.38 | 0.3 | undecidable | manual | S | 91 | 53.3022 | 104 | -0.04 | 72 |
IV.HAVL.HHZ. | 2021-09-27T04:08:16.11 | 0.6 | undecidable | manual | S | 110 | 47.2194 | 107 | 0.24 | 46 |
IV.HAGA.HHZ. | 2021-09-27T04:08:16.89 | 0.6 | undecidable | manual | S | 67 | 51.3153 | 105 | -0.03 | 48 |
IV.ISPIC.EHZ. | 2021-09-27T04:08:15.15 | 0.6 | undecidable | manual | S | 145 | 43.8228 | 108 | 0.15 | 47 |
IV.SSY.HHZ. | 2021-09-27T04:08:14.83 | 0.3 | undecidable | manual | S | 81 | 40.5261 | 110 | 0.66 | 62 |
IV.HCRL.HHZ. | 2021-09-27T04:08:14.57 | 0.3 | undecidable | manual | S | 61 | 41.5251 | 109 | 0.16 | 71 |
IV.HLNI.HHZ. | 2021-09-27T04:08:12.55 | 0.6 | undecidable | manual | S | 39 | 35.0427 | 114 | -0.26 | 47 |
IV.CLTA.HHN. | 2021-09-27T04:08:11.68 | 0.1 | positive | manual | P | 276 | 58.497 | 103 | 0.67 | 80 |
IV.HMDC.HHZ. | 2021-09-27T04:08:10.14 | 0.3 | undecidable | manual | S | 138 | 21.6672 | 128 | 0.42 | 70 |
IV.RAFF.HHZ. | 2021-09-27T04:08:10.71 | 0.6 | undecidable | manual | S | 300 | 26.2515 | 122 | -0.03 | 50 |
IV.HSRS.HHZ. | 2021-09-27T04:08:10.01 | 0.1 | undecidable | manual | P | 91 | 53.3022 | 104 | -0.21 | 92 |
IV.HAVL.HHZ. | 2021-09-27T04:08:09.35 | 0.6 | undecidable | manual | P | 110 | 47.2194 | 107 | 0.02 | 48 |
IV.HAGA.HHZ. | 2021-09-27T04:08:09.71 | 0.6 | undecidable | manual | P | 67 | 51.3153 | 105 | -0.22 | 46 |
IV.ACATE.EHZ. | 2021-09-27T04:08:08.56 | 0.6 | undecidable | manual | S | 230 | 13.7751 | 143 | 0.3 | 49 |
IV.ISPIC.EHZ. | 2021-09-27T04:08:08.65 | 0.1 | negative | manual | P | 145 | 43.8228 | 108 | -0.17 | 94 |
IV.HVIT.HHZ. | 2021-09-27T04:08:08.03 | 0.3 | undecidable | manual | S | 215 | 15.1737 | 140 | -0.45 | 70 |
IV.SSY.HHZ. | 2021-09-27T04:08:08.36 | 0.1 | positive | manual | P | 81 | 40.5261 | 110 | 0.01 | 98 |
IV.HVZN.HHZ. | 2021-09-27T04:08:08.09 | 0.3 | undecidable | manual | S | 46 | 11.7771 | 147 | 0.14 | 76 |
IV.HCRL.HHZ. | 2021-09-27T04:08:08.39 | 0.1 | undecidable | manual | P | 61 | 41.5251 | 109 | -0.09 | 96 |
IV.HLNI.HHZ. | 2021-09-27T04:08:07.19 | 0.1 | positive | manual | P | 39 | 35.0427 | 114 | -0.37 | 92 |
IV.RAFF.HHZ. | 2021-09-27T04:08:06.58 | 0.1 | negative | manual | P | 300 | 26.2515 | 122 | 0.21 | 97 |
IV.HMDC.HHZ. | 2021-09-27T04:08:05.62 | 0.1 | negative | manual | P | 138 | 21.6672 | 128 | -0.16 | 98 |
IV.HVZN.HHZ. | 2021-09-27T04:08:04.61 | 0.1 | negative | manual | P | 46 | 11.7771 | 147 | -0.14 | 100 |
IV.ACATE.EHZ. | 2021-09-27T04:08:04.77 | 0.1 | positive | manual | P | 230 | 13.7751 | 143 | -0.16 | 99 |
IV.HVIT.HHZ. | 2021-09-27T04:08:04.80 | 0.3 | undecidable | manual | P | 215 | 15.1737 | 140 | -0.26 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HVIT.HHN. | ML:1.7 | 0.000311 | 0.4 | AML | other | m | 2021-09-27T04:08:08.49 |
IV.ACATE.EHE. | ML:1.7 | 0.00029549999999999997 | 0.44 | AML | other | m | 2021-09-27T04:08:08.73 |
IV.ACATE.EHN. | ML:1.6 | 0.00025550000000000003 | 0.24 | AML | other | m | 2021-09-27T04:08:08.72 |
IV.HVIT.HHE. | ML:1.5 | 0.00020850000000000003 | 0.52 | AML | other | m | 2021-09-27T04:08:08.96 |
IV.HMDC.HHN. | ML:1.6 | 0.0001905 | 0.68 | AML | other | m | 2021-09-27T04:08:10.11 |
IV.HMDC.HHE. | ML:1.4 | 0.000132 | 1.16 | AML | other | m | 2021-09-27T04:08:10.03 |
IV.RAFF.HHN. | ML:1.8 | 0.00027850000000000005 | 0.34 | AML | other | m | 2021-09-27T04:08:12.52 |
IV.RAFF.HHE. | ML:1.5 | 0.0001295 | 0.16 | AML | other | m | 2021-09-27T04:08:12.54 |
IV.HLNI.HHE. | ML:1.6 | 0.000131 | 0.14 | AML | other | m | 2021-09-27T04:08:12.71 |
IV.HLNI.HHN. | ML:1.6 | 0.0001545 | 0.28 | AML | other | m | 2021-09-27T04:08:12.73 |
IV.SSY.HHN. | ML:2.2 | 0.0004785 | 1.76 | AML | other | m | 2021-09-27T04:08:15.08 |
IV.ISPIC.EHE. | ML:1.4 | 0.00006769999999999999 | 0.22 | AML | other | m | 2021-09-27T04:08:15.49 |
IV.ISPIC.EHN. | ML:1.4 | 0.00006725000000000001 | 0.82 | AML | other | m | 2021-09-27T04:08:15.50 |
IV.SSY.HHE. | ML:1.9 | 0.0002245 | 0.82 | AML | other | m | 2021-09-27T04:08:15.51 |
IV.HSRS.HHN. | ML:1.6 | 0.0000797 | 0.14 | AML | other | m | 2021-09-27T04:08:17.73 |
IV.HCRL.HHN. | ML:1.5 | 0.00008384999999999999 | 0.22 | AML | other | m | 2021-09-27T04:08:17.93 |
IV.HSRS.HHE. | ML:1.4 | 0.00006035 | 0.42 | AML | other | m | 2021-09-27T04:08:17.72 |
IV.HAVL.HHE. | ML:1.7 | 0.00013350000000000002 | 0.26 | AML | other | m | 2021-09-27T04:08:17.99 |
IV.HCRL.HHE. | ML:1.4 | 0.0000653 | 1.34 | AML | other | m | 2021-09-27T04:08:18.07 |
IV.HAVL.HHN. | ML:1.8 | 0.000164 | 0.12 | AML | other | m | 2021-09-27T04:08:18.56 |