A magnitude ML 2.0 earthquake occured in region: 2 km E Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7420, 15.1640 at 10 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 | 2 | 1582 | 1582 |
Giarre | CT | 2 | 27659 | 29241 |
Mascali | CT | 3 | 14282 | 43523 |
Riposto | CT | 4 | 14838 | 58361 |
Milo | CT | 5 | 1087 | 59448 |
Santa Venerina | CT | 6 | 8592 | 68040 |
Fiumefreddo di Sicilia | CT | 7 | 9623 | 77663 |
Zafferana Etnea | CT | 7 | 9517 | 87180 |
Piedimonte Etneo | CT | 8 | 3963 | 91143 |
Calatabiano | CT | 11 | 5308 | 96451 |
Linguaglossa | CT | 11 | 5403 | 101854 |
Gaggi | ME | 14 | 3184 | 105038 |
Acireale | CT | 14 | 52622 | 157660 |
Giardini-Naxos | ME | 15 | 9415 | 167075 |
Aci Sant'Antonio | CT | 15 | 17984 | 185059 |
Aci Catena | CT | 15 | 29851 | 214910 |
Trecastagni | CT | 16 | 10910 | 225820 |
Viagrande | CT | 16 | 8563 | 234383 |
Taormina | ME | 16 | 10960 | 245343 |
Castiglione di Sicilia | CT | 16 | 3215 | 248558 |
Pedara | CT | 16 | 14102 | 262660 |
Castelmola | ME | 17 | 1088 | 263748 |
Aci Bonaccorsi | CT | 17 | 3524 | 267272 |
Motta Camastra | ME | 17 | 845 | 268117 |
Graniti | ME | 18 | 1492 | 269609 |
Francavilla di Sicilia | ME | 18 | 3945 | 273554 |
Valverde | CT | 18 | 7840 | 281394 |
Nicolosi | CT | 19 | 7463 | 288857 |
San Giovanni la Punta | CT | 19 | 23060 | 311917 |
Letojanni | ME | 20 | 2861 | 314778 |
Tremestieri Etneo | CT | 20 | 20589 | 335367 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2021-03-20 18:07:43 |
37.7417 | 15.1635 | 10 | 2021-07-12 16:55:15 |
Bollettino Sismico Italiano INGV | 91446961 |
Reviewed Rev200 |
ML 1.7 | 2021-03-20 18:07:43 |
37.746 | 15.137 | 7 | 2021-06-17 11:10:40 |
Sala Operativa INGV_OE (Catania) | 88322531 |
Field | Value |
---|---|
Time (UTC) | 2021-03-20 18:07:43 ± 0.13 |
Latitude | 37.7417 ± 0.0063 |
Longitude | 15.1635 ± 0.0080 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91446961 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 770 |
Semi-minor axis of confidence ellipse (meter) | 573 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 296 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 31 |
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) | 0.02698 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37772 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 91446961 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-17 11:10:15 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 88322531 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2021-03-20 18:13:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EMPL.HHZ. | 2021-03-20T18:07:51.51 | 0.6 | undecidable | manual | S | 248 | 18.3705 | 119 | 0.39 | 45 |
IV.MUCR.HHE. | 2021-03-20T18:07:51.88 | 0.6 | undecidable | manual | P | 323 | 41.9247 | 50 | -0.04 | 47 |
IV.EPZF.HHZ. | 2021-03-20T18:07:50.09 | 0.3 | undecidable | manual | P | 289 | 28.3494 | 50 | 0.27 | 69 |
IV.NOV.HHZ. | 2021-03-20T18:07:50.38 | 0.3 | undecidable | manual | P | 356 | 31.8459 | 50 | 0.02 | 72 |
IV.EMNR.HHZ. | 2021-03-20T18:07:50.48 | 0.6 | undecidable | manual | S | 305 | 14.6742 | 124 | 0.44 | 45 |
IV.ECTS.HHZ. | 2021-03-20T18:07:50.71 | 0.6 | undecidable | manual | S | 347 | 15.9729 | 122 | 0.28 | 47 |
IV.ESPC.HHN. | 2021-03-20T18:07:49.40 | 0.6 | undecidable | manual | S | 246 | 13.0758 | 127 | -0.21 | 48 |
IV.ECZM.HHN. | 2021-03-20T18:07:49.03 | 0.3 | undecidable | manual | P | 267 | 22.755 | 114 | 0.16 | 71 |
IV.EPIT.HHZ. | 2021-03-20T18:07:49.83 | 0.3 | undecidable | manual | S | 310 | 12.1767 | 129 | 0.49 | 67 |
IV.AIO.HHZ. | 2021-03-20T18:07:49.32 | 0.3 | undecidable | manual | P | 13 | 26.1516 | 50 | -0.16 | 71 |
IV.EMCN.HHN. | 2021-03-20T18:07:49.74 | 0.6 | undecidable | manual | S | 296 | 12.6762 | 128 | 0.26 | 47 |
IV.EFIU.HHZ. | 2021-03-20T18:07:48.62 | 0.6 | undecidable | manual | S | 38 | 6.6933 | 146 | 0.56 | 44 |
IV.EMPL.HHZ. | 2021-03-20T18:07:48.66 | 0.3 | undecidable | manual | P | 248 | 18.3705 | 119 | 0.6 | 64 |
IV.EVRN.HNZ. | 2021-03-20T18:07:48.52 | 0.6 | undecidable | manual | S | 203 | 6.2937 | 148 | 0.54 | 45 |
IV.EMSG.HHZ. | 2021-03-20T18:07:48.79 | 0.3 | undecidable | manual | P | 295 | 20.6682 | 116 | 0.3 | 69 |
IV.ECBD.HHN. | 2021-03-20T18:07:48.14 | 0.6 | undecidable | manual | S | 302 | 7.9809 | 141 | -0.18 | 48 |
IV.EMCN.HHN. | 2021-03-20T18:07:47.02 | 0.1 | undecidable | manual | P | 296 | 12.6762 | 128 | -0.09 | 98 |
IV.EMFS.HHE. | 2021-03-20T18:07:47.29 | 0.3 | undecidable | manual | P | 261 | 14.7741 | 124 | -0.16 | 72 |
IV.ESAL.HHZ. | 2021-03-20T18:07:47.18 | 0.3 | undecidable | manual | S | 300 | 2.997 | 164 | -0.31 | 71 |
IV.EPIT.HHZ. | 2021-03-20T18:07:47.05 | 0.1 | positive | manual | P | 310 | 12.1767 | 129 | 0.02 | 99 |
IV.EMFO.HHE. | 2021-03-20T18:07:47.67 | 0.6 | undecidable | manual | S | 264 | 6.4935 | 147 | -0.34 | 47 |
IV.ESLN.HHZ. | 2021-03-20T18:07:47.15 | 0.3 | undecidable | manual | P | 252 | 17.4714 | 120 | -0.76 | 60 |
IV.EMNR.HHZ. | 2021-03-20T18:07:47.53 | 0.1 | undecidable | manual | P | 305 | 14.6742 | 124 | 0.09 | 97 |
IV.EPOZ.HHZ. | 2021-03-20T18:07:47.06 | 0.1 | positive | manual | P | 164 | 8.0808 | 141 | 0.61 | 87 |
IV.ECTS.HHZ. | 2021-03-20T18:07:47.28 | 0.3 | undecidable | manual | P | 347 | 15.9729 | 122 | -0.38 | 69 |
IV.EVRN.HNZ. | 2021-03-20T18:07:46.28 | 0.1 | positive | manual | P | 203 | 6.2937 | 148 | 0.03 | 100 |
IV.ECBD.HHN. | 2021-03-20T18:07:46.09 | 0.1 | undecidable | manual | P | 302 | 7.9809 | 141 | -0.36 | 93 |
IV.EFIU.HHZ. | 2021-03-20T18:07:46.25 | 0.1 | undecidable | manual | P | 38 | 6.6933 | 146 | -0.04 | 100 |
IV.ESPC.HHN. | 2021-03-20T18:07:46.88 | 0.1 | undecidable | manual | P | 246 | 13.0758 | 127 | -0.31 | 93 |
IV.EMFO.HHE. | 2021-03-20T18:07:45.89 | 0.1 | undecidable | manual | P | 264 | 6.4935 | 147 | -0.38 | 93 |
IV.ESAL.HHZ. | 2021-03-20T18:07:45.54 | 0.1 | undecidable | manual | P | 300 | 2.997 | 164 | -0.43 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EPIT.HHE. | ML:2.5 | 0.00386 | 0.3 | AML | other | m | 2021-03-20T18:07:50.15 |
IV.EPIT.HHN. | ML:2.6 | 0.004195 | 0.22 | AML | other | m | 2021-03-20T18:07:50.26 |
IV.EPOZ.HHN. | ML:2.0 | 0.001515 | 0.86 | AML | other | m | 2021-03-20T18:07:50.77 |
IV.EPOZ.HHE. | ML:1.9 | 0.0012200000000000002 | 1.12 | AML | other | m | 2021-03-20T18:07:51.07 |
IV.EMPL.HHN. | ML:2.2 | 0.0014 | 0.24 | AML | other | m | 2021-03-20T18:07:54.47 |
IV.AIO.HHN. | ML:1.4 | 0.000134 | 0.26 | AML | other | m | 2021-03-20T18:07:54.92 |
IV.AIO.HHE. | ML:1.5 | 0.00016999999999999999 | 0.38 | AML | other | m | 2021-03-20T18:07:55.31 |
IV.EMPL.HHE. | ML:2.0 | 0.0009094999999999999 | 1.32 | AML | other | m | 2021-03-20T18:07:55.66 |
IV.EMSG.HHE. | ML:2.0 | 0.000801 | 1.36 | AML | other | m | 2021-03-20T18:07:57.23 |
IV.EPZF.HHE. | ML:1.9 | 0.000368 | 1.12 | AML | other | m | 2021-03-20T18:07:57.94 |
IV.EMSG.HHN. | ML:2.0 | 0.000838 | 0.78 | AML | other | m | 2021-03-20T18:07:57.59 |
IV.EPZF.HHN. | ML:1.9 | 0.0003835 | 1.62 | AML | other | m | 2021-03-20T18:08:01.96 |