A magnitude ML 2.3 earthquake occured in region: 3 km W Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7520, 15.1140 at 9 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 |
---|---|---|---|---|
Sant'Alfio | CT | 3 | 1582 | 1582 |
Milo | CT | 3 | 1087 | 2669 |
Zafferana Etnea | CT | 6 | 9517 | 12186 |
Giarre | CT | 7 | 27659 | 39845 |
Mascali | CT | 7 | 14282 | 54127 |
Santa Venerina | CT | 8 | 8592 | 62719 |
Riposto | CT | 8 | 14838 | 77557 |
Piedimonte Etneo | CT | 9 | 3963 | 81520 |
Fiumefreddo di Sicilia | CT | 10 | 9623 | 91143 |
Linguaglossa | CT | 10 | 5403 | 96546 |
Calatabiano | CT | 13 | 5308 | 101854 |
Castiglione di Sicilia | CT | 15 | 3215 | 105069 |
Trecastagni | CT | 15 | 10910 | 115979 |
Gaggi | ME | 15 | 3184 | 119163 |
Pedara | CT | 16 | 14102 | 133265 |
Viagrande | CT | 16 | 8563 | 141828 |
Acireale | CT | 16 | 52622 | 194450 |
Aci Sant'Antonio | CT | 16 | 17984 | 212434 |
Aci Catena | CT | 17 | 29851 | 242285 |
Francavilla di Sicilia | ME | 17 | 3945 | 246230 |
Motta Camastra | ME | 17 | 845 | 247075 |
Nicolosi | CT | 17 | 7463 | 254538 |
Aci Bonaccorsi | CT | 17 | 3524 | 258062 |
Moio Alcantara | ME | 17 | 717 | 258779 |
Giardini-Naxos | ME | 18 | 9415 | 268194 |
Graniti | ME | 19 | 1492 | 269686 |
Taormina | ME | 19 | 10960 | 280646 |
Castelmola | ME | 19 | 1088 | 281734 |
Valverde | CT | 19 | 7840 | 289574 |
Malvagna | ME | 19 | 733 | 290307 |
San Giovanni la Punta | CT | 19 | 23060 | 313367 |
Tremestieri Etneo | CT | 20 | 20589 | 333956 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.3 | 2021-05-08 21:40:08 |
37.7523 | 15.1138 | 9 | 2021-12-29 11:12:35 |
Bollettino Sismico Italiano INGV | 96326521 |
Field | Value |
---|---|
Time (UTC) | 2021-05-08 21:40:08 ± 0.12 |
Latitude | 37.7523 ± 0.0054 |
Longitude | 15.1138 ± 0.0068 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96326521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 453 |
Semi-minor axis of confidence ellipse (meter) | 452 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 335 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 36 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.01619 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44696 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 24 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 96326521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-10-07 17:29:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GALF.HHZ. | 2021-05-08T21:40:18.50 | 0.3 | undecidable | manual | P | 265 | 48.2184 | 50 | 0.91 | 54 |
IV.HLNI.HHZ. | 2021-05-08T21:40:17.55 | 0.3 | undecidable | manual | P | 205 | 49.617 | 50 | -0.25 | 67 |
IV.MUCR.HHZ. | 2021-05-08T21:40:16.07 | 0.6 | undecidable | manual | P | 327 | 38.5281 | 50 | -0.02 | 48 |
IV.ESCV.HHZ. | 2021-05-08T21:40:14.20 | 0.3 | undecidable | manual | P | 269 | 26.2515 | 109 | 0.19 | 70 |
IV.EFIU.HHZ. | 2021-05-08T21:40:13.61 | 0.6 | undecidable | manual | S | 64 | 9.3795 | 133 | 0.65 | 43 |
IV.ENIC.HHZ. | 2021-05-08T21:40:13.21 | 0.3 | undecidable | manual | P | 211 | 15.6732 | 120 | 1.14 | 51 |
IV.EMCN.HNZ. | 2021-05-08T21:40:13.04 | 0.6 | undecidable | manual | S | 301 | 8.2806 | 137 | 0.36 | 47 |
IV.ESLN.HHZ. | 2021-05-08T21:40:13.88 | 0.6 | undecidable | manual | S | 242 | 13.875 | 123 | -0.3 | 47 |
IV.AIO.HHZ. | 2021-05-08T21:40:13.67 | 0.3 | undecidable | manual | P | 23 | 26.4513 | 109 | -0.38 | 68 |
IV.EMFS.HHE. | 2021-05-08T21:40:13.45 | 0.6 | undecidable | manual | S | 250 | 10.7781 | 130 | 0.13 | 49 |
IV.EVRN.HNZ. | 2021-05-08T21:40:13.04 | 0.6 | undecidable | manual | S | 165 | 7.2927 | 141 | 0.59 | 44 |
IV.ECNE.HHN. | 2021-05-08T21:40:13.75 | 0.6 | undecidable | manual | S | 278 | 9.9789 | 132 | 0.65 | 42 |
IV.EPIT.HHZ. | 2021-05-08T21:40:13.08 | 0.6 | undecidable | manual | S | 323 | 8.2806 | 137 | 0.4 | 46 |
IV.EPZF.HHZ. | 2021-05-08T21:40:13.55 | 0.3 | undecidable | manual | P | 290 | 23.8539 | 110 | -0.02 | 73 |
IV.EMPL.HHZ. | 2021-05-08T21:40:13.99 | 0.6 | undecidable | manual | S | 237 | 14.9739 | 121 | -0.52 | 44 |
IV.EMSG.HHZ. | 2021-05-08T21:40:12.30 | 0.3 | undecidable | manual | P | 298 | 16.2726 | 119 | 0.12 | 73 |
IV.ESPC.HHN. | 2021-05-08T21:40:12.99 | 0.6 | undecidable | manual | S | 229 | 10.0788 | 131 | -0.14 | 49 |
IV.ECNE.HHN. | 2021-05-08T21:40:11.26 | 0.1 | undecidable | manual | P | 278 | 9.9789 | 132 | 0.12 | 98 |
IV.ESAL.HHZ. | 2021-05-08T21:40:11.62 | 0.6 | undecidable | manual | S | 80 | 1.7982 | 168 | 0 | 51 |
IV.EMPL.HHZ. | 2021-05-08T21:40:11.57 | 0.3 | undecidable | manual | P | 237 | 14.9739 | 121 | -0.39 | 69 |
IV.EPOZ.HHZ. | 2021-05-08T21:40:11.73 | 0.3 | undecidable | manual | P | 144 | 11.0778 | 129 | 0.42 | 69 |
IV.EMFO.HHZ. | 2021-05-08T21:40:11.59 | 0.6 | undecidable | manual | S | 228 | 2.7972 | 163 | -0.11 | 50 |
IV.ESLN.HHZ. | 2021-05-08T21:40:11.36 | 0.1 | undecidable | manual | P | 242 | 13.875 | 123 | -0.41 | 91 |
IV.EMNR.HHZ. | 2021-05-08T21:40:11.35 | 0.1 | undecidable | manual | P | 313 | 10.4784 | 130 | 0.13 | 98 |
IV.ECTS.HHZ. | 2021-05-08T21:40:11.53 | 0.1 | positive | manual | P | 2 | 14.3745 | 122 | -0.32 | 93 |
IV.ECBD.HHZ. | 2021-05-08T21:40:11.94 | 0.6 | undecidable | manual | S | 322 | 3.8961 | 156 | 0.1 | 50 |
IV.EMFS.HHE. | 2021-05-08T21:40:11.10 | 0.1 | undecidable | manual | P | 250 | 10.7781 | 130 | -0.17 | 97 |
IV.ECPN.HHZ. | 2021-05-08T21:40:11.37 | 0.3 | undecidable | manual | P | 265 | 11.1777 | 128 | 0.04 | 74 |
IV.ECBD.HHZ. | 2021-05-08T21:40:10.13 | 0.1 | undecidable | manual | P | 322 | 3.8961 | 156 | -0.28 | 96 |
IV.EPIT.HHZ. | 2021-05-08T21:40:10.94 | 0.1 | negative | manual | P | 323 | 8.2806 | 137 | 0.04 | 100 |
IV.ESPC.HHN. | 2021-05-08T21:40:10.91 | 0.1 | undecidable | manual | P | 229 | 10.0788 | 131 | -0.25 | 95 |
IV.EFIU.HHZ. | 2021-05-08T21:40:10.94 | 0.1 | negative | manual | P | 64 | 9.3795 | 133 | -0.12 | 98 |
IV.EMCN.HNZ. | 2021-05-08T21:40:10.86 | 0.1 | undecidable | manual | P | 301 | 8.2806 | 137 | -0.04 | 100 |
IV.ESAL.HHZ. | 2021-05-08T21:40:10.01 | 0.1 | positive | manual | P | 80 | 1.7982 | 168 | -0.28 | 96 |
IV.EMFO.HHZ. | 2021-05-08T21:40:10.09 | 0.1 | undecidable | manual | P | 228 | 2.7972 | 163 | -0.24 | 97 |
IV.EVRN.HNZ. | 2021-05-08T21:40:10.80 | 0.1 | undecidable | manual | P | 165 | 7.2927 | 141 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EPIT.HHE. | ML:2.4 | 0.004285075 | 0.2432 | AML | other | m | 2021-05-08T21:40:14.05 |
IV.EPIT.HHN. | ML:2.4 | 0.004251609 | 0.3456 | AML | other | m | 2021-05-08T21:40:13.80 |
IV.EVRN.HNE. | ML:2.1 | 0.0021106479999999997 | 0.2176 | AML | other | m | 2021-05-08T21:40:13.84 |
IV.EVRN.HHE. | ML:2.2 | 0.0025800000000000003 | 0.14 | AML | other | m | 2021-05-08T21:40:16.17 |
IV.EVRN.HHN. | ML:2.3 | 0.0031302079999999998 | 0.1664 | AML | other | m | 2021-05-08T21:40:16.18 |
IV.EVRN.HNN. | ML:2.3 | 0.0034652694999999997 | 0.1664 | AML | other | m | 2021-05-08T21:40:16.18 |
IV.ECTS.HHN. | ML:1.9 | 0.00092853065 | 0.2176 | AML | other | m | 2021-05-08T21:40:19.89 |
IV.ESAL.HHE. | ML:0.0 | 0.005040895000000001 | 0.2816 | AML | other | m | 2021-05-08T21:40:12.07 |
IV.ESAL.HHN. | ML:0.0 | 0.002771983 | 0.2176 | AML | other | m | 2021-05-08T21:40:13.29 |