A magnitude ML 1.8 earthquake occured in region: 5 km NW Milo (CT), on
and geographic coordinates (lat, lon) 37.7510, 15.0670 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 |
---|---|---|---|---|
Milo | CT | 5 | 1087 | 1087 |
Zafferana Etnea | CT | 7 | 9517 | 10604 |
Sant'Alfio | CT | 7 | 1582 | 12186 |
Santa Venerina | CT | 10 | 8592 | 20778 |
Giarre | CT | 11 | 27659 | 48437 |
Mascali | CT | 11 | 14282 | 62719 |
Piedimonte Etneo | CT | 12 | 3963 | 66682 |
Linguaglossa | CT | 12 | 5403 | 72085 |
Riposto | CT | 12 | 14838 | 86923 |
Fiumefreddo di Sicilia | CT | 13 | 9623 | 96546 |
Pedara | CT | 15 | 14102 | 110648 |
Trecastagni | CT | 15 | 10910 | 121558 |
Nicolosi | CT | 16 | 7463 | 129021 |
Castiglione di Sicilia | CT | 16 | 3215 | 132236 |
Viagrande | CT | 16 | 8563 | 140799 |
Calatabiano | CT | 16 | 5308 | 146107 |
Moio Alcantara | ME | 17 | 717 | 146824 |
Aci Sant'Antonio | CT | 17 | 17984 | 164808 |
Aci Bonaccorsi | CT | 17 | 3524 | 168332 |
Ragalna | CT | 17 | 3924 | 172256 |
Aci Catena | CT | 18 | 29851 | 202107 |
Randazzo | CT | 18 | 10900 | 213007 |
Acireale | CT | 18 | 52622 | 265629 |
Francavilla di Sicilia | ME | 18 | 3945 | 269574 |
Gaggi | ME | 18 | 3184 | 272758 |
Motta Camastra | ME | 19 | 845 | 273603 |
Malvagna | ME | 19 | 733 | 274336 |
Belpasso | CT | 19 | 28108 | 302444 |
Tremestieri Etneo | CT | 19 | 20589 | 323033 |
San Giovanni la Punta | CT | 19 | 23060 | 346093 |
Maletto | CT | 20 | 3920 | 350013 |
Valverde | CT | 20 | 7840 | 357853 |
Mascalucia | CT | 20 | 31958 | 389811 |
San Pietro Clarenza | CT | 20 | 7743 | 397554 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-08-23 18:53:33 |
37.7508 | 15.0668 | 9 | 2021-12-29 11:12:41 |
Bollettino Sismico Italiano INGV | 97038381 |
Reviewed Rev200 |
ML 1.7 | 2021-08-23 18:53:32 |
37.749 | 15.053 | 6 | 2021-11-29 16:24:54 |
Sala Operativa INGV_OE (Catania) | 94547481 |
Field | Value |
---|---|
Time (UTC) | 2021-08-23 18:53:33 ± 0.1 |
Latitude | 37.7508 ± 0.0036 |
Longitude | 15.0668 ± 0.0045 |
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 | 97038381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 450 |
Semi-minor axis of confidence ellipse (meter) | 155 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 20 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 450.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 69 |
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) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.02428 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39750 |
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 | 1.7 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 94547481 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2021-08-23 19:07:01 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.4 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 97038381 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-29 16:24:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GALF.HHZ. | 2021-08-23T18:53:42.44 | 0.6 | undecidable | manual | P | 264 | 44.1225 | 50 | 0.92 | 36 |
IV.MUCR.HHZ. | 2021-08-23T18:53:40.24 | 0.1 | positive | manual | P | 333 | 36.5412 | 50 | -0.11 | 94 |
IV.EFIU.HHZ. | 2021-08-23T18:53:39.20 | 0.6 | undecidable | manual | S | 71 | 13.2756 | 124 | 0.6 | 43 |
IV.ESCV.HHZ. | 2021-08-23T18:53:38.11 | 0.6 | undecidable | manual | P | 269 | 22.0668 | 112 | 0.3 | 46 |
IV.EPOZ.HHZ. | 2021-08-23T18:53:38.90 | 0.3 | undecidable | manual | S | 129 | 13.7751 | 123 | 0.15 | 73 |
IV.AIO.HHZ. | 2021-08-23T18:53:38.68 | 0.3 | undecidable | manual | P | 31 | 28.4493 | 108 | -0.33 | 68 |
IV.EVRN.HNZ. | 2021-08-23T18:53:37.80 | 1.0 | undecidable | manual | S | 139 | 9.0798 | 135 | 0.32 | 24 |
IV.EMNR.HHZ. | 2021-08-23T18:53:37.50 | 0.3 | undecidable | manual | S | 334 | 8.1807 | 138 | 0.26 | 72 |
IV.ESAL.HHZ. | 2021-08-23T18:53:37.00 | 0.3 | undecidable | manual | S | 85 | 5.994 | 146 | 0.23 | 73 |
IV.EPZF.HHZ. | 2021-08-23T18:53:37.54 | 0.1 | negative | manual | P | 294 | 20.0688 | 114 | 0.1 | 97 |
IV.EPIT.HHZ. | 2021-08-23T18:53:37.30 | 0.3 | undecidable | manual | S | 352 | 6.7932 | 143 | 0.37 | 70 |
IV.ESPC.HHZ. | 2021-08-23T18:53:37.34 | 0.3 | undecidable | manual | S | 208 | 7.2927 | 141 | 0.29 | 72 |
IV.EMFO.HHZ. | 2021-08-23T18:53:36.00 | 0.3 | undecidable | manual | S | 129 | 2.6973 | 164 | -0.28 | 72 |
IV.ECTS.HHZ. | 2021-08-23T18:53:36.29 | 1.0 | positive | manual | P | 18 | 15.2736 | 120 | -0.3 | 23 |
IV.EMFS.HHZ. | 2021-08-23T18:53:36.90 | 0.3 | undecidable | manual | S | 240 | 6.993 | 142 | -0.08 | 75 |
IV.ECHR.HHZ. | 2021-08-23T18:53:36.67 | 0.6 | undecidable | manual | P | 242 | 15.2736 | 120 | 0.09 | 49 |
IV.EMCN.HHZ. | 2021-08-23T18:53:36.70 | 0.3 | undecidable | manual | S | 327 | 5.3946 | 149 | 0.05 | 75 |
IV.EMSG.HHZ. | 2021-08-23T18:53:36.27 | 0.1 | undecidable | manual | P | 307 | 12.876 | 125 | 0.1 | 98 |
IV.EPOZ.HHZ. | 2021-08-23T18:53:36.73 | 0.1 | undecidable | manual | P | 129 | 13.7751 | 123 | 0.4 | 92 |
IV.ECBD.HHZ. | 2021-08-23T18:53:36.30 | 0.3 | undecidable | manual | S | 28 | 3.6963 | 158 | -0.1 | 75 |
IV.ECZM.HHZ. | 2021-08-23T18:53:36.71 | 0.3 | undecidable | manual | P | 261 | 14.4744 | 122 | 0.27 | 71 |
IV.EFIU.HHZ. | 2021-08-23T18:53:36.26 | 0.1 | undecidable | manual | P | 71 | 13.2756 | 124 | 0.01 | 100 |
IV.EPDN.HHZ. | 2021-08-23T18:53:36.90 | 0.3 | undecidable | manual | S | 291 | 4.6953 | 152 | 0.35 | 71 |
IV.ESLN.HHZ. | 2021-08-23T18:53:35.45 | 0.6 | undecidable | manual | P | 232 | 10.2786 | 131 | -0.32 | 47 |
IV.EMPL.HHZ. | 2021-08-23T18:53:35.63 | 0.3 | negative | manual | P | 227 | 11.5773 | 128 | -0.34 | 70 |
IV.EMNR.HHZ. | 2021-08-23T18:53:35.36 | 0.3 | undecidable | manual | P | 334 | 8.1807 | 138 | -0.1 | 74 |
IV.EMFS.HHZ. | 2021-08-23T18:53:35.08 | 0.1 | undecidable | manual | P | 240 | 6.993 | 142 | -0.23 | 97 |
IV.EPIT.HHZ. | 2021-08-23T18:53:35.17 | 0.1 | positive | manual | P | 352 | 6.7932 | 143 | -0.11 | 99 |
IV.ESVO.HHZ. | 2021-08-23T18:53:35.71 | 0.6 | undecidable | manual | P | 283 | 10.7781 | 130 | -0.13 | 49 |
IV.EVRN.HNZ. | 2021-08-23T18:53:35.64 | 0.1 | undecidable | manual | P | 139 | 9.0798 | 135 | 0.05 | 100 |
IV.ESAL.HHZ. | 2021-08-23T18:53:34.98 | 0.1 | positive | manual | P | 85 | 5.994 | 146 | -0.21 | 97 |
IV.ECBD.HHZ. | 2021-08-23T18:53:34.61 | 0.1 | undecidable | manual | P | 28 | 3.6963 | 158 | -0.37 | 94 |
IV.EPDN.HHZ. | 2021-08-23T18:53:34.98 | 0.6 | undecidable | manual | P | 291 | 4.6953 | 152 | -0.08 | 50 |
IV.EMCN.HHZ. | 2021-08-23T18:53:34.89 | 0.3 | undecidable | manual | P | 327 | 5.3946 | 149 | -0.23 | 73 |
IV.ESPC.HHZ. | 2021-08-23T18:53:34.96 | 0.3 | undecidable | manual | P | 208 | 7.2927 | 141 | -0.39 | 70 |
IV.EMFO.HHZ. | 2021-08-23T18:53:34.53 | 0.3 | undecidable | manual | P | 129 | 2.6973 | 164 | -0.38 | 71 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ESAL.HHE. | ML:2.1 | 0.0020660085 | 0.32 | AML | other | m | 2021-08-23T18:53:37.33 |
IV.EPIT.HHE. | ML:2.3 | 0.003392088 | 0.2048 | AML | other | m | 2021-08-23T18:53:37.73 |
IV.ESAL.HHN. | ML:1.8 | 0.0010380525999999998 | 0.1792 | AML | other | m | 2021-08-23T18:53:37.77 |
IV.EPIT.HHN. | ML:2.4 | 0.0041588685 | 0.1664 | AML | other | m | 2021-08-23T18:53:38.76 |
IV.EVRN.HNE. | ML:2.2 | 0.002203118 | 0.1792 | AML | other | m | 2021-08-23T18:53:39.05 |
IV.EMPL.HHE. | ML:1.6 | 0.0005353786000000001 | 0.1536 | AML | other | m | 2021-08-23T18:53:39.67 |
IV.EMPL.HHN. | ML:1.7 | 0.00061199625 | 0.2176 | AML | other | m | 2021-08-23T18:53:39.74 |
IV.EVRN.HHE. | ML:2.1 | 0.0016968865 | 0.1536 | AML | other | m | 2021-08-23T18:53:40.39 |
IV.EVRN.HNN. | ML:2.2 | 0.002540166 | 0.1536 | AML | other | m | 2021-08-23T18:53:40.40 |
IV.EVRN.HHN. | ML:2.2 | 0.0025800000000000003 | 0.14 | AML | other | m | 2021-08-23T18:53:40.41 |
IV.EMSG.HHN. | ML:2.0 | 0.00118084305 | 0.1792 | AML | other | m | 2021-08-23T18:53:41.31 |
IV.ECTS.HHN. | ML:1.4 | 0.0002525 | 0.26 | AML | other | m | 2021-08-23T18:53:41.88 |
IV.EMSG.HHE. | ML:1.9 | 0.00085475535 | 0.192 | AML | other | m | 2021-08-23T18:53:41.66 |
IV.ECTS.HHE. | ML:1.4 | 0.000277 | 0.26 | AML | other | m | 2021-08-23T18:53:41.73 |
IV.EPZF.HHN. | ML:1.7 | 0.000406 | 0.44 | AML | other | m | 2021-08-23T18:53:43.81 |
IV.AIO.HHE. | ML:1.2 | 0.00007604569 | 0.2432 | AML | other | m | 2021-08-23T18:53:45.23 |
IV.EPZF.HHE. | ML:1.6 | 0.00031257375 | 0.3456 | AML | other | m | 2021-08-23T18:53:45.81 |
IV.AIO.HHN. | ML:1.2 | 0.00007425000000000002 | 0.26 | AML | other | m | 2021-08-23T18:53:46.33 |
IV.MUCR.HHE. | ML:1.2 | 0.000058800000000000006 | 0.52 | AML | other | m | 2021-08-23T18:53:49.13 |
IV.MUCR.HHN. | ML:1.3 | 0.00008745 | 0.38 | AML | other | m | 2021-08-23T18:53:51.24 |