A magnitude ML 2.1 earthquake occured in region: 2 km E Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7460, 15.1620 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 | 3 | 27659 | 29241 |
Mascali | CT | 3 | 14282 | 43523 |
Riposto | CT | 4 | 14838 | 58361 |
Milo | CT | 5 | 1087 | 59448 |
Fiumefreddo di Sicilia | CT | 7 | 9623 | 69071 |
Santa Venerina | CT | 7 | 8592 | 77663 |
Piedimonte Etneo | CT | 7 | 3963 | 81626 |
Zafferana Etnea | CT | 8 | 9517 | 91143 |
Calatabiano | CT | 11 | 5308 | 96451 |
Linguaglossa | CT | 11 | 5403 | 101854 |
Gaggi | ME | 14 | 3184 | 105038 |
Acireale | CT | 15 | 52622 | 157660 |
Giardini-Naxos | ME | 15 | 9415 | 167075 |
Aci Sant'Antonio | CT | 16 | 17984 | 185059 |
Castiglione di Sicilia | CT | 16 | 3215 | 188274 |
Taormina | ME | 16 | 10960 | 199234 |
Aci Catena | CT | 16 | 29851 | 229085 |
Trecastagni | CT | 16 | 10910 | 239995 |
Viagrande | CT | 16 | 8563 | 248558 |
Castelmola | ME | 16 | 1088 | 249646 |
Pedara | CT | 17 | 14102 | 263748 |
Motta Camastra | ME | 17 | 845 | 264593 |
Aci Bonaccorsi | CT | 17 | 3524 | 268117 |
Graniti | ME | 17 | 1492 | 269609 |
Francavilla di Sicilia | ME | 18 | 3945 | 273554 |
Valverde | CT | 19 | 7840 | 281394 |
Nicolosi | CT | 19 | 7463 | 288857 |
San Giovanni la Punta | CT | 20 | 23060 | 311917 |
Letojanni | ME | 20 | 2861 | 314778 |
Moio Alcantara | ME | 20 | 717 | 315495 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2021-03-21 13:40:11 |
37.7458 | 15.1625 | 10 | 2021-07-12 16:55:05 |
Bollettino Sismico Italiano INGV | 88767501 |
Reviewed Rev200 |
ML 1.7 | 2021-03-21 13:40:11 |
37.758 | 15.132 | 7 | 2021-06-23 10:46:49 |
Sala Operativa INGV_OE (Catania) | 88346641 |
Field | Value |
---|---|
Time (UTC) | 2021-03-21 13:40:11 ± 0.1 |
Latitude | 37.7458 ± 0.0045 |
Longitude | 15.1625 ± 0.0068 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88767501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 617 |
Semi-minor axis of confidence ellipse (meter) | 308 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 118 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
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) | 0.02428 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28239 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.4 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 88767501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-23 10:46:30 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 88346641 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2021-03-21 13:45:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NOV.HHZ. | 2021-03-21T13:40:23.42 | 0.6 | undecidable | manual | S | 356 | 31.3464 | 50 | 0.36 | 45 |
IV.AIO.HHZ. | 2021-03-21T13:40:21.41 | 0.6 | undecidable | manual | S | 14 | 25.752 | 111 | -0.05 | 48 |
IV.ESCV.HHZ. | 2021-03-21T13:40:18.84 | 0.6 | undecidable | manual | P | 270 | 30.4473 | 50 | 0.63 | 41 |
IV.EMFS.HHZ. | 2021-03-21T13:40:18.20 | 0.6 | undecidable | manual | S | 259 | 14.7741 | 123 | 0.17 | 48 |
IV.ECTS.HHZ. | 2021-03-21T13:40:18.41 | 0.6 | undecidable | manual | S | 346 | 15.5733 | 122 | 0.14 | 48 |
IV.NOV.HHZ. | 2021-03-21T13:40:18.13 | 0.3 | undecidable | manual | P | 356 | 31.3464 | 50 | -0.22 | 69 |
IV.ECZM.HHZ. | 2021-03-21T13:40:17.03 | 0.3 | undecidable | manual | P | 266 | 22.755 | 113 | 0.16 | 71 |
IV.EPIT.HHZ. | 2021-03-21T13:40:17.79 | 0.3 | undecidable | manual | S | 308 | 11.7771 | 129 | 0.58 | 65 |
IV.ESML.HHZ. | 2021-03-21T13:40:17.96 | 0.3 | undecidable | manual | P | 240 | 28.6491 | 50 | 0.04 | 72 |
IV.AIO.HHZ. | 2021-03-21T13:40:17.37 | 0.3 | undecidable | manual | P | 14 | 25.752 | 111 | -0.06 | 72 |
IV.EMCN.HHZ. | 2021-03-21T13:40:17.69 | 0.6 | undecidable | manual | S | 294 | 12.3765 | 128 | 0.32 | 47 |
IV.EPZF.HHZ. | 2021-03-21T13:40:17.90 | 0.3 | undecidable | manual | P | 288 | 28.1496 | 50 | 0.04 | 72 |
IV.ENIC.HHZ. | 2021-03-21T13:40:16.22 | 0.3 | undecidable | manual | P | 224 | 17.7711 | 119 | 0.25 | 70 |
IV.ECBD.HHZ. | 2021-03-21T13:40:16.16 | 0.6 | undecidable | manual | S | 300 | 7.6812 | 142 | -0.05 | 50 |
IV.ESVO.HHZ. | 2021-03-21T13:40:16.25 | 0.3 | undecidable | manual | P | 279 | 19.1697 | 117 | 0.03 | 73 |
IV.EMFO.HHZ. | 2021-03-21T13:40:16.03 | 0.6 | undecidable | manual | S | 260 | 6.4935 | 146 | 0.08 | 50 |
IV.EVRN.HHZ. | 2021-03-21T13:40:16.39 | 0.6 | undecidable | manual | S | 201 | 6.6933 | 145 | 0.39 | 46 |
IV.EFIU.HHZ. | 2021-03-21T13:40:16.52 | 0.6 | undecidable | manual | S | 41 | 6.3936 | 146 | 0.57 | 44 |
IV.EMSG.HHZ. | 2021-03-21T13:40:16.53 | 0.3 | undecidable | manual | P | 294 | 20.4684 | 115 | 0.09 | 72 |
IV.EMCN.HHZ. | 2021-03-21T13:40:15.01 | 0.1 | undecidable | manual | P | 294 | 12.3765 | 128 | -0.05 | 99 |
IV.ECTS.HHZ. | 2021-03-21T13:40:15.18 | 0.3 | undecidable | manual | P | 346 | 15.5733 | 122 | -0.41 | 68 |
IV.ECNE.HHZ. | 2021-03-21T13:40:15.49 | 0.1 | undecidable | manual | P | 279 | 14.2746 | 124 | 0.12 | 97 |
IV.EMFS.HHZ. | 2021-03-21T13:40:15.17 | 0.1 | undecidable | manual | P | 259 | 14.7741 | 123 | -0.28 | 94 |
IV.EMPL.HHZ. | 2021-03-21T13:40:15.89 | 0.3 | undecidable | manual | P | 246 | 18.4704 | 118 | -0.2 | 71 |
IV.EPOZ.HHZ. | 2021-03-21T13:40:15.00 | 0.1 | undecidable | manual | P | 164 | 8.4804 | 139 | 0.5 | 90 |
IV.ESAL.HHZ. | 2021-03-21T13:40:15.33 | 0.6 | undecidable | manual | S | 293 | 2.6973 | 165 | -0.07 | 50 |
IV.ESLN.HHZ. | 2021-03-21T13:40:15.52 | 0.3 | undecidable | manual | P | 251 | 17.4714 | 119 | -0.41 | 68 |
IV.EVRN.HHZ. | 2021-03-21T13:40:14.31 | 0.1 | undecidable | manual | P | 201 | 6.6933 | 145 | 0.03 | 100 |
IV.EFIU.HHZ. | 2021-03-21T13:40:14.14 | 0.1 | undecidable | manual | P | 41 | 6.3936 | 146 | -0.1 | 99 |
IV.ESPC.HHZ. | 2021-03-21T13:40:14.88 | 0.1 | undecidable | manual | P | 244 | 13.2756 | 126 | -0.33 | 93 |
IV.EPIT.HHZ. | 2021-03-21T13:40:14.98 | 0.1 | undecidable | manual | P | 308 | 11.7771 | 129 | 0.01 | 100 |
IV.ECBD.HHZ. | 2021-03-21T13:40:14.15 | 0.1 | undecidable | manual | P | 300 | 7.6812 | 142 | -0.25 | 96 |
IV.EMFO.HHZ. | 2021-03-21T13:40:13.97 | 0.1 | undecidable | manual | P | 260 | 6.4935 | 146 | -0.28 | 95 |
IV.ESAL.HHZ. | 2021-03-21T13:40:13.48 | 0.1 | undecidable | manual | P | 293 | 2.6973 | 165 | -0.45 | 92 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ESAL.HHN. | ML:2.6 | 0.0070584515 | 0.224 | AML | other | m | 2021-03-21T13:40:15.72 |
IV.ESAL.HHE. | ML:2.6 | 0.0072604934999999995 | 0.2176 | AML | other | m | 2021-03-21T13:40:15.73 |
IV.EVRN.HNN. | ML:2.6 | 0.006221716 | 0.4224 | AML | other | m | 2021-03-21T13:40:20.24 |
IV.EVRN.HHN. | ML:2.5 | 0.005419729 | 0.3968 | AML | other | m | 2021-03-21T13:40:20.24 |
IV.EFIU.HHN. | ML:1.9 | 0.0013756285 | 0.6208 | AML | other | m | 2021-03-21T13:40:16.96 |
IV.EPIT.HHE. | ML:2.7 | 0.005705 | 0.3 | AML | other | m | 2021-03-21T13:40:18.08 |
IV.EPIT.HHN. | ML:2.6 | 0.005030000000000001 | 0.26 | AML | other | m | 2021-03-21T13:40:18.20 |
IV.EFIU.HHE. | ML:1.9 | 0.001288554 | 0.7168 | AML | other | m | 2021-03-21T13:40:18.59 |
IV.AIO.HHE. | ML:1.7 | 0.0003117488 | 0.2816 | AML | other | m | 2021-03-21T13:40:23.70 |
IV.EPZF.HHE. | ML:0.0 | 0.0006116184499999999 | 0.3584 | AML | other | m | 2021-03-21T13:40:24.94 |
IV.AIO.HHN. | ML:1.8 | 0.00032950000000000004 | 0.34 | AML | other | m | 2021-03-21T13:40:24.30 |
IV.EMSG.HHE. | ML:2.2 | 0.001232497 | 0.4032 | AML | other | m | 2021-03-21T13:40:25.99 |
IV.EPZF.HHN. | ML:0.0 | 0.0006400177999999999 | 0.2816 | AML | other | m | 2021-03-21T13:40:26.80 |
IV.EMSG.HHN. | ML:2.2 | 0.001178007 | 0.64 | AML | other | m | 2021-03-21T13:40:25.95 |
IV.ESCV.HHN. | ML:1.9 | 0.00040669125000000007 | 0.4352 | AML | other | m | 2021-03-21T13:40:27.26 |
IV.ESCV.HHE. | ML:1.8 | 0.00033729785 | 0.4992 | AML | other | m | 2021-03-21T13:40:31.06 |
IV.EVRN.HNE. | ML:2.5 | 0.0054556529999999995 | 0.288 | AML | other | m | 2021-03-21T13:40:16.68 |
IV.EVRN.HHE. | ML:2.5 | 0.0048435165 | 0.256 | AML | other | m | 2021-03-21T13:40:16.69 |
IV.EPOZ.HHN. | ML:2.0 | 0.0016392120000000001 | 0.32 | AML | other | m | 2021-03-21T13:40:22.37 |
IV.EPOZ.HHE. | ML:2.0 | 0.001443471 | 0.3392 | AML | other | m | 2021-03-21T13:40:20.59 |
IV.ESML.HNN. | ML:1.6 | 0.0001863356 | 0.7168 | AML | other | m | 2021-03-21T13:40:32.10 |
IV.ESML.HHE. | ML:1.6 | 0.0001947515 | 0.3968 | AML | other | m | 2021-03-21T13:40:24.51 |
IV.ESML.HHN. | ML:1.5 | 0.00014816780000000002 | 0.4224 | AML | other | m | 2021-03-21T13:40:31.83 |
IV.ESML.HNE. | ML:1.6 | 0.00018413099999999998 | 0.4096 | AML | other | m | 2021-03-21T13:40:24.52 |