A magnitude ML 1.6 earthquake occured in region: 1 km W Sant'Alfio (CT), on
and geographic coordinates (lat, lon) 37.7440, 15.1280 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 |
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 | 7 | 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 | 15 | 10910 | 112764 |
Acireale | CT | 15 | 52622 | 165386 |
Viagrande | CT | 15 | 8563 | 173949 |
Pedara | CT | 15 | 14102 | 188051 |
Aci Sant'Antonio | CT | 15 | 17984 | 206035 |
Gaggi | ME | 16 | 3184 | 209219 |
Castiglione di Sicilia | CT | 16 | 3215 | 212434 |
Aci Catena | CT | 16 | 29851 | 242285 |
Aci Bonaccorsi | CT | 16 | 3524 | 245809 |
Nicolosi | CT | 17 | 7463 | 253272 |
Giardini-Naxos | ME | 17 | 9415 | 262687 |
Motta Camastra | ME | 18 | 845 | 263532 |
Francavilla di Sicilia | ME | 18 | 3945 | 267477 |
Valverde | CT | 18 | 7840 | 275317 |
Taormina | ME | 18 | 10960 | 286277 |
Castelmola | ME | 18 | 1088 | 287365 |
San Giovanni la Punta | CT | 19 | 23060 | 310425 |
Moio Alcantara | ME | 19 | 717 | 311142 |
Graniti | ME | 19 | 1492 | 312634 |
Tremestieri Etneo | CT | 19 | 20589 | 333223 |
San Gregorio di Catania | CT | 20 | 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 1.6 | 2023-04-24 16:37:22 |
37.7435 | 15.1283 | 10 | 2024-03-01 17:18:07 |
Bollettino Sismico Italiano INGV | 117240731 |
Reviewed Rev200 |
ML 1.3 | 2023-04-24 16:37:22 |
37.75 | 15.105 | 6 | 2024-01-25 16:01:17 |
Sala Operativa INGV_OE (Catania) | 116712131 |
Field | Value |
---|---|
Time (UTC) | 2023-04-24 16:37:22 ± 0.11 |
Latitude | 37.7435 ± 0.0054 |
Longitude | 15.1283 ± 0.0057 |
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 | 117240731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 554 |
Semi-minor axis of confidence ellipse (meter) | 502 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 152 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
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) | 0.01259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36063 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 117240731 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-05-11 08:14:50 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 116712131 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2023-04-24 16:46:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MUCR.HHZ. | 2023-04-24T16:37:29.77 | 0.1 | undecidable | manual | P | 326 | 40.0266 | 50 | -0.14 | 94 |
IV.AIO.HHZ. | 2023-04-24T16:37:27.77 | 0.1 | undecidable | manual | P | 20 | 26.8509 | 50 | -0.11 | 97 |
IV.EMNR.HHZ. | 2023-04-24T16:37:27.80 | 0.3 | undecidable | manual | S | 312 | 12.0768 | 129 | 0.2 | 73 |
IV.EMCN.HHZ. | 2023-04-24T16:37:27.36 | 0.6 | undecidable | manual | S | 303 | 9.879 | 135 | 0.34 | 47 |
IV.ESPC.HHZ. | 2023-04-24T16:37:27.00 | 0.6 | undecidable | manual | S | 237 | 10.4784 | 133 | -0.18 | 49 |
IV.EPZF.HNZ. | 2023-04-24T16:37:27.73 | 0.1 | undecidable | manual | P | 291 | 25.4523 | 111 | 0.09 | 97 |
IV.EFIU.HHZ. | 2023-04-24T16:37:27.17 | 0.3 | undecidable | manual | S | 55 | 8.7801 | 138 | 0.4 | 70 |
IV.ECZM.HHZ. | 2023-04-24T16:37:26.57 | 0.1 | undecidable | manual | P | 266 | 19.7691 | 117 | -0.02 | 100 |
IV.EVRN.HHZ. | 2023-04-24T16:37:26.43 | 0.3 | undecidable | manual | S | 174 | 6.0939 | 149 | 0.23 | 73 |
IV.EMPL.HHZ. | 2023-04-24T16:37:26.65 | 0.6 | undecidable | manual | P | 243 | 15.5733 | 122 | 0.77 | 41 |
IV.EMSG.HHZ. | 2023-04-24T16:37:26.63 | 0.1 | undecidable | manual | P | 299 | 17.871 | 119 | 0.37 | 93 |
IV.EPMN.HHZ. | 2023-04-24T16:37:26.97 | 0.3 | undecidable | manual | S | 27 | 9.5793 | 136 | 0.02 | 76 |
IV.ECBD.HHZ. | 2023-04-24T16:37:26.06 | 0.6 | undecidable | manual | S | 318 | 5.4945 | 151 | -0.04 | 51 |
IV.EMFO.HHZ. | 2023-04-24T16:37:25.56 | 0.3 | undecidable | manual | S | 256 | 3.4965 | 161 | -0.25 | 73 |
IV.ESAL.HHZ. | 2023-04-24T16:37:25.40 | 0.3 | undecidable | manual | S | 23 | 1.3986 | 172 | -0.24 | 74 |
IV.EPOZ.HHZ. | 2023-04-24T16:37:25.36 | 0.1 | undecidable | manual | P | 146 | 9.4794 | 136 | 0.43 | 93 |
IV.EMNR.HHZ. | 2023-04-24T16:37:25.64 | 0.1 | undecidable | manual | P | 312 | 12.0768 | 129 | 0.34 | 95 |
IV.ECTS.HHZ. | 2023-04-24T16:37:25.74 | 0.1 | undecidable | manual | P | 358 | 15.3735 | 123 | -0.1 | 99 |
IV.EPMN.HHZ. | 2023-04-24T16:37:24.78 | 0.1 | undecidable | manual | P | 27 | 9.5793 | 136 | -0.15 | 99 |
IV.ESPC.HHZ. | 2023-04-24T16:37:24.71 | 0.1 | undecidable | manual | P | 237 | 10.4784 | 133 | -0.35 | 95 |
IV.ECBD.HHZ. | 2023-04-24T16:37:24.19 | 0.1 | undecidable | manual | P | 318 | 5.4945 | 151 | -0.25 | 98 |
IV.EFIU.HHZ. | 2023-04-24T16:37:24.88 | 0.3 | undecidable | manual | P | 55 | 8.7801 | 138 | 0.05 | 76 |
IV.EVRN.HHZ. | 2023-04-24T16:37:24.46 | 0.3 | undecidable | manual | P | 174 | 6.0939 | 149 | -0.04 | 76 |
IV.EMCN.HHZ. | 2023-04-24T16:37:24.88 | 0.1 | undecidable | manual | P | 303 | 9.879 | 135 | -0.09 | 100 |
IV.EMFO.HHZ. | 2023-04-24T16:37:23.96 | 0.1 | undecidable | manual | P | 256 | 3.4965 | 161 | -0.31 | 97 |
IV.ESAL.HHZ. | 2023-04-24T16:37:23.84 | 0.1 | undecidable | manual | P | 23 | 1.3986 | 172 | -0.34 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ESAL.HHE. | ML:1.7 | 0.000948 | 1.62 | AML | other | m | 2023-04-24T16:37:26.08 |
IV.ESAL.HHN. | ML:1.5 | 0.000597 | 1.2 | AML | other | m | 2023-04-24T16:37:26.78 |
IV.EVRN.HHN. | ML:1.9 | 0.0012250000000000002 | 0.24 | AML | other | m | 2023-04-24T16:37:26.79 |
IV.EPOZ.HHN. | ML:1.6 | 0.0004825 | 0.82 | AML | other | m | 2023-04-24T16:37:29.47 |
IV.EVRN.HHE. | ML:1.9 | 0.001285 | 0.28 | AML | other | m | 2023-04-24T16:37:29.57 |
IV.EPOZ.HNN. | ML:1.6 | 0.0005200000000000001 | 1.22 | AML | other | m | 2023-04-24T16:37:30.68 |
IV.EPOZ.HHE. | ML:1.4 | 0.0003485 | 0.84 | AML | other | m | 2023-04-24T16:37:30.96 |
IV.EPOZ.HNE. | ML:1.5 | 0.000411 | 0.6 | AML | other | m | 2023-04-24T16:37:30.99 |