A magnitude ML 2.1 earthquake occured in region: 1 km S Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7340, 15.1410 at 20 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 | 1 | 1582 | 1582 |
Milo | CT | 2 | 1087 | 2669 |
Giarre | CT | 4 | 27659 | 30328 |
Santa Venerina | CT | 5 | 8592 | 38920 |
Zafferana Etnea | CT | 5 | 9517 | 48437 |
Mascali | CT | 6 | 14282 | 62719 |
Riposto | CT | 6 | 14838 | 77557 |
Fiumefreddo di Sicilia | CT | 9 | 9623 | 87180 |
Piedimonte Etneo | CT | 9 | 3963 | 91143 |
Linguaglossa | CT | 12 | 5403 | 96546 |
Calatabiano | CT | 13 | 5308 | 101854 |
Acireale | CT | 14 | 52622 | 154476 |
Trecastagni | CT | 14 | 10910 | 165386 |
Aci Sant'Antonio | CT | 14 | 17984 | 183370 |
Viagrande | CT | 14 | 8563 | 191933 |
Aci Catena | CT | 15 | 29851 | 221784 |
Pedara | CT | 15 | 14102 | 235886 |
Aci Bonaccorsi | CT | 15 | 3524 | 239410 |
Gaggi | ME | 16 | 3184 | 242594 |
Nicolosi | CT | 17 | 7463 | 250057 |
Castiglione di Sicilia | CT | 17 | 3215 | 253272 |
Giardini-Naxos | ME | 17 | 9415 | 262687 |
Valverde | CT | 17 | 7840 | 270527 |
San Giovanni la Punta | CT | 18 | 23060 | 293587 |
Taormina | ME | 18 | 10960 | 304547 |
Motta Camastra | ME | 18 | 845 | 305392 |
Castelmola | ME | 18 | 1088 | 306480 |
Tremestieri Etneo | CT | 19 | 20589 | 327069 |
Francavilla di Sicilia | ME | 19 | 3945 | 331014 |
San Gregorio di Catania | CT | 19 | 11966 | 342980 |
Graniti | ME | 19 | 1492 | 344472 |
Mascalucia | CT | 19 | 31958 | 376430 |
Aci Castello | CT | 20 | 18723 | 395153 |
Moio Alcantara | ME | 20 | 717 | 395870 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2021-01-24 08:02:46 |
37.7343 | 15.1408 | 20 | 2021-07-12 16:55:09 |
Bollettino Sismico Italiano INGV | 89762761 |
Reviewed Rev200 |
ML 1.8 | 2021-01-24 08:02:46 |
37.748 | 15.1 | 12 | 2021-05-04 10:51:45 |
Sala Operativa INGV_OE (Catania) | 86522421 |
Field | Value |
---|---|
Time (UTC) | 2021-01-24 08:02:46 ± 0.16 |
Latitude | 37.7343 ± 0.0063 |
Longitude | 15.1408 ± 0.0148 |
Depth (km) | 20 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89762761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1279 |
Semi-minor axis of confidence ellipse (meter) | 345 |
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) | 1280.0 |
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 | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.02158 |
Epicentral distance of station farthest from the epicenter (degree) | 0.77432 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.5 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 89762761 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-04 10:51:30 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 86522421 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2021-01-24 08:17:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAVL.HHZ. | 2021-01-24T08:03:12.45 | 0.6 | undecidable | manual | S | 181 | 85.9473 | 97 | 0.69 | 36 |
IV.SSY.HHZ. | 2021-01-24T08:03:06.79 | 0.6 | undecidable | manual | S | 185 | 64.1913 | 99 | 0.78 | 36 |
IV.HLNI.HHZ. | 2021-01-24T08:03:02.06 | 0.6 | undecidable | manual | S | 209 | 48.9177 | 103 | 0.07 | 46 |
IV.HAGA.HHZ. | 2021-01-24T08:03:02.41 | 0.6 | undecidable | manual | S | 179 | 49.8168 | 103 | 0.17 | 45 |
IV.HAVL.HHZ. | 2021-01-24T08:03:00.47 | 0.3 | undecidable | manual | P | 181 | 85.9473 | 97 | -0.5 | 58 |
IV.SSY.HHZ. | 2021-01-24T08:02:57.34 | 0.3 | undecidable | manual | P | 185 | 64.1913 | 99 | -0.31 | 63 |
IV.AIO.HHZ. | 2021-01-24T08:02:57.20 | 0.6 | undecidable | manual | S | 17 | 27.4503 | 116 | 0.62 | 41 |
IV.HAGA.HHZ. | 2021-01-24T08:02:55.02 | 0.3 | undecidable | manual | P | 179 | 49.8168 | 103 | -0.45 | 63 |
IV.ENIC.HHE. | 2021-01-24T08:02:54.34 | 0.6 | undecidable | manual | S | 223 | 15.4734 | 135 | 0.39 | 45 |
IV.HLNI.HHZ. | 2021-01-24T08:02:54.85 | 0.3 | undecidable | manual | P | 209 | 48.9177 | 103 | -0.48 | 63 |
IV.ECTS.HHZ. | 2021-01-24T08:02:54.37 | 0.6 | undecidable | manual | S | 354 | 16.4724 | 133 | 0.23 | 47 |
IV.EPOZ.HHZ. | 2021-01-24T08:02:53.66 | 0.6 | undecidable | manual | S | 149 | 8.0808 | 154 | 0.87 | 39 |
IV.EFIU.HHE. | 2021-01-24T08:02:52.44 | 0.6 | undecidable | manual | S | 45 | 8.6802 | 152 | -0.42 | 45 |
IV.ECBD.HHN. | 2021-01-24T08:02:52.05 | 0.6 | undecidable | manual | S | 317 | 6.993 | 157 | -0.62 | 43 |
IV.AIO.HHZ. | 2021-01-24T08:02:52.41 | 0.1 | undecidable | manual | P | 17 | 27.4503 | 116 | 0.21 | 92 |
IV.EVRN.HHZ. | 2021-01-24T08:02:52.49 | 0.6 | undecidable | manual | S | 185 | 4.995 | 163 | -0.01 | 50 |
IV.ESAL.HHE. | 2021-01-24T08:02:52.40 | 0.6 | undecidable | manual | S | 346 | 2.3976 | 172 | 0.06 | 50 |
IV.ESPC.HHN. | 2021-01-24T08:02:52.77 | 0.6 | undecidable | manual | S | 245 | 10.9779 | 146 | -0.42 | 45 |
IV.ENIC.HHE. | 2021-01-24T08:02:51.36 | 0.3 | undecidable | manual | P | 223 | 15.4734 | 135 | 0.67 | 62 |
IV.ECTS.HHZ. | 2021-01-24T08:02:50.84 | 0.1 | undecidable | manual | P | 354 | 16.4724 | 133 | 0.04 | 97 |
IV.EPIT.HHN. | 2021-01-24T08:02:50.57 | 0.3 | undecidable | manual | P | 319 | 11.2776 | 145 | 0.3 | 70 |
IV.EMNR.HHZ. | 2021-01-24T08:02:50.95 | 0.3 | undecidable | manual | P | 312 | 13.5753 | 139 | 0.46 | 67 |
IV.ESPC.HHN. | 2021-01-24T08:02:49.98 | 0.1 | undecidable | manual | P | 245 | 10.9779 | 146 | -0.26 | 94 |
IV.EPOZ.HHZ. | 2021-01-24T08:02:49.89 | 0.3 | undecidable | manual | P | 149 | 8.0808 | 154 | -0.13 | 73 |
IV.EMFO.HHE. | 2021-01-24T08:02:49.82 | 0.1 | undecidable | manual | P | 272 | 4.4955 | 165 | 0 | 100 |
IV.EFIU.HHE. | 2021-01-24T08:02:49.73 | 0.1 | undecidable | manual | P | 45 | 8.6802 | 152 | -0.33 | 93 |
IV.ECBD.HHN. | 2021-01-24T08:02:49.99 | 0.1 | undecidable | manual | P | 317 | 6.993 | 157 | 0.04 | 99 |
IV.EVRN.HHZ. | 2021-01-24T08:02:49.67 | 0.1 | undecidable | manual | P | 185 | 4.995 | 163 | -0.18 | 96 |
IV.ESAL.HHE. | 2021-01-24T08:02:49.58 | 0.1 | undecidable | manual | P | 346 | 2.3976 | 172 | -0.18 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EVRN.HHN. | ML:2.5 | 0.00277 | 0.16 | AML | other | m | 2021-01-24T08:02:52.64 |
IV.EVRN.HNN. | ML:2.6 | 0.003535 | 0.2 | AML | other | m | 2021-01-24T08:02:52.64 |
IV.EVRN.HNE. | ML:2.6 | 0.00326 | 1.18 | AML | other | m | 2021-01-24T08:02:52.77 |
IV.EVRN.HHE. | ML:2.7 | 0.004165 | 1.2 | AML | other | m | 2021-01-24T08:02:52.77 |
IV.AIO.HHN. | ML:1.5 | 0.00013388925000000002 | 0.2176 | AML | other | m | 2021-01-24T08:02:53.24 |
IV.AIO.HHE. | ML:1.4 | 0.000110521335 | 0.2432 | AML | other | m | 2021-01-24T08:02:57.32 |
IV.HLNI.HHE. | ML:1.2 | 0.00004172592350000001 | 0.1024 | AML | other | m | 2021-01-24T08:03:06.62 |
IV.HLNI.HHN. | ML:1.2 | 0.00003812794 | 0.0832 | AML | other | m | 2021-01-24T08:03:05.19 |
IV.HAGA.HHE. | ML:1.1 | 0.000031475609999999995 | 0.3648 | AML | other | m | 2021-01-24T08:03:03.32 |
IV.SSY.HHE. | ML:2.1 | 0.00022859354999999997 | 0.3968 | AML | other | m | 2021-01-24T08:03:08.44 |
IV.SSY.HHN. | ML:2.4 | 0.00042468985000000003 | 0.1216 | AML | other | m | 2021-01-24T08:03:08.94 |
IV.HAVL.HHN. | ML:2.1 | 0.00014114525999999998 | 0.224 | AML | other | m | 2021-01-24T08:03:13.29 |
IV.HAVL.HHE. | ML:2.1 | 0.00015859974999999998 | 0.256 | AML | other | m | 2021-01-24T08:03:13.56 |