A magnitude ML 2.0 earthquake occured in region: 1 km SW Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7400, 15.1320 at 19 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 | 5 | 27659 | 30328 |
Zafferana Etnea | CT | 6 | 9517 | 39845 |
Santa Venerina | CT | 6 | 8592 | 48437 |
Mascali | CT | 6 | 14282 | 62719 |
Riposto | CT | 6 | 14838 | 77557 |
Piedimonte Etneo | CT | 9 | 3963 | 81520 |
Fiumefreddo di Sicilia | CT | 9 | 9623 | 91143 |
Linguaglossa | CT | 11 | 5403 | 96546 |
Calatabiano | CT | 13 | 5308 | 101854 |
Trecastagni | CT | 14 | 10910 | 112764 |
Acireale | CT | 14 | 52622 | 165386 |
Viagrande | CT | 15 | 8563 | 173949 |
Aci Sant'Antonio | CT | 15 | 17984 | 191933 |
Pedara | CT | 15 | 14102 | 206035 |
Aci Catena | CT | 15 | 29851 | 235886 |
Gaggi | ME | 16 | 3184 | 239070 |
Aci Bonaccorsi | CT | 16 | 3524 | 242594 |
Castiglione di Sicilia | CT | 16 | 3215 | 245809 |
Nicolosi | CT | 17 | 7463 | 253272 |
Giardini-Naxos | ME | 17 | 9415 | 262687 |
Valverde | CT | 18 | 7840 | 270527 |
Motta Camastra | ME | 18 | 845 | 271372 |
Francavilla di Sicilia | ME | 18 | 3945 | 275317 |
San Giovanni la Punta | CT | 18 | 23060 | 298377 |
Taormina | ME | 18 | 10960 | 309337 |
Castelmola | ME | 19 | 1088 | 310425 |
Tremestieri Etneo | CT | 19 | 20589 | 331014 |
Graniti | ME | 19 | 1492 | 332506 |
Moio Alcantara | ME | 19 | 717 | 333223 |
San Gregorio di Catania | CT | 19 | 11966 | 345189 |
Mascalucia | CT | 20 | 31958 | 377147 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.0 | 2021-01-24 08:51:38 |
37.7397 | 15.1317 | 19 | 2021-07-12 16:55:09 |
Bollettino Sismico Italiano INGV | 89798591 |
Reviewed Rev200 |
ML 1.7 | 2021-01-24 08:51:38 |
37.763 | 15.067 | 15 | 2021-05-05 13:34:08 |
Sala Operativa INGV_OE (Catania) | 86524051 |
Field | Value |
---|---|
Time (UTC) | 2021-01-24 08:51:38 ± 0.16 |
Latitude | 37.7397 ± 0.0063 |
Longitude | 15.1317 ± 0.0239 |
Depth (km) | 19 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89798591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2080 |
Semi-minor axis of confidence ellipse (meter) | 374 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 96 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2080.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 95 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58366 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 86524051 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2021-01-24 09:24:54 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.5 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 89798591 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-05 13:33:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRTC.HHZ. | 2021-01-24T08:53:01.16 | 3.0 | undecidable | manual | Pn | -1.96 | 0 | |||
IV.MTMR.EHZ. | 2021-01-24T08:52:55.88 | 3.0 | undecidable | manual | Sn | -6.95 | 0 | |||
IV.PIPA.HHZ. | 2021-01-24T08:52:44.54 | 3.0 | undecidable | manual | Sn | 1.5 | 0 | |||
IV.PTRJ.HHZ. | 2021-01-24T08:52:34.01 | 3.0 | undecidable | manual | Pn | 5.7 | 0 | |||
IV.GIZZ.HHZ. | 2021-01-24T08:52:00.27 | 3.0 | positive | manual | Pn | -1.58 | 0 | |||
IV.SSY.HHZ. | 2021-01-24T08:51:59.47 | 0.6 | undecidable | manual | S | 185 | 64.7907 | 99 | 0.78 | 49 |
IV.HLNI.HHZ. | 2021-01-24T08:51:54.70 | 0.6 | undecidable | manual | S | 208 | 49.0176 | 103 | 0.13 | 60 |
IV.SSY.HHZ. | 2021-01-24T08:51:50.25 | 0.3 | undecidable | manual | P | 185 | 64.7907 | 99 | -0.03 | 90 |
IV.HCRL.HHZ. | 2021-01-24T08:51:48.02 | 0.3 | undecidable | manual | P | 190 | 51.4152 | 102 | -0.23 | 88 |
IV.HLNI.HHZ. | 2021-01-24T08:51:47.41 | 0.3 | undecidable | manual | P | 208 | 49.0176 | 103 | -0.48 | 84 |
IV.ECTS.HHZ. | 2021-01-24T08:51:46.93 | 0.6 | undecidable | manual | S | 357 | 15.7731 | 134 | 0.41 | 60 |
IV.ESPC.HHN. | 2021-01-24T08:51:45.32 | 0.6 | undecidable | manual | S | 240 | 10.5783 | 147 | -0.3 | 63 |
IV.EFIU.HHE. | 2021-01-24T08:51:45.14 | 0.6 | undecidable | manual | S | 51 | 8.88 | 151 | -0.25 | 63 |
IV.EVRN.HHZ. | 2021-01-24T08:51:45.32 | 0.6 | undecidable | manual | S | 177 | 5.5944 | 161 | 0.28 | 63 |
IV.ESAL.HHE. | 2021-01-24T08:51:44.74 | 0.6 | undecidable | manual | S | 8 | 1.6983 | 174 | -0.08 | 67 |
IV.AIO.HHZ. | 2021-01-24T08:51:44.80 | 0.3 | undecidable | manual | P | 19 | 27.1506 | 116 | 0.11 | 96 |
IV.ECTS.HHZ. | 2021-01-24T08:51:43.30 | 0.3 | undecidable | manual | P | 357 | 15.7731 | 134 | 0.05 | 98 |
IV.EPOZ.HHZ. | 2021-01-24T08:51:42.64 | 0.3 | undecidable | manual | P | 146 | 8.9799 | 151 | 0.03 | 100 |
IV.EVRN.HHZ. | 2021-01-24T08:51:42.42 | 0.3 | undecidable | manual | P | 177 | 5.5944 | 161 | 0.03 | 100 |
IV.ESPC.HHN. | 2021-01-24T08:51:42.64 | 0.3 | undecidable | manual | P | 240 | 10.5783 | 147 | -0.09 | 98 |
IV.EFIU.HHE. | 2021-01-24T08:51:42.44 | 0.3 | undecidable | manual | P | 51 | 8.88 | 151 | -0.15 | 97 |
IV.ECBD.HHN. | 2021-01-24T08:51:42.59 | 0.3 | undecidable | manual | P | 319 | 5.994 | 160 | 0.18 | 97 |
IV.EMFO.HHE. | 2021-01-24T08:51:42.59 | 0.3 | undecidable | manual | P | 263 | 3.6963 | 168 | 0.28 | 95 |
IV.ESAL.HHE. | 2021-01-24T08:51:41.95 | 0.3 | undecidable | manual | P | 8 | 1.6983 | 174 | -0.31 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EVRN.HHE. | ML:2.5 | 0.0025549999999999995 | 0.8 | AML | other | m | 2021-01-24T08:51:45.53 |
IV.EVRN.HNE. | ML:2.4 | 0.0022299999999999998 | 0.78 | AML | other | m | 2021-01-24T08:51:45.54 |
IV.EVRN.HNN. | ML:2.3 | 0.001645 | 0.86 | AML | other | m | 2021-01-24T08:51:45.50 |
IV.EVRN.HHN. | ML:2.2 | 0.0015350000000000001 | 0.6 | AML | other | m | 2021-01-24T08:51:49.10 |
IV.ECTS.HHE. | ML:1.6 | 0.00029055965 | 0.48 | AML | other | m | 2021-01-24T08:51:47.40 |
IV.AIO.HHE. | ML:1.3 | 0.00008472113 | 0.4224 | AML | other | m | 2021-01-24T08:51:51.46 |
IV.AIO.HHN. | ML:1.2 | 0.000076535605 | 0.1984 | AML | other | m | 2021-01-24T08:51:51.12 |
IV.HCRL.HHE. | ML:1.1 | 0.000032444725 | 0.1216 | AML | other | m | 2021-01-24T08:51:56.18 |
IV.SSY.HHN. | ML:2.1 | 0.00020445164999999998 | 0.1344 | AML | other | m | 2021-01-24T08:52:01.07 |