A magnitude ML 2.1 earthquake occured in region: 3 km N Acireale (CT), on
and geographic coordinates (lat, lon) 37.6400, 15.1580 at 0 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 |
---|---|---|---|---|
Acireale | CT | 3 | 52622 | 52622 |
Aci Catena | CT | 4 | 29851 | 82473 |
Aci Sant'Antonio | CT | 5 | 17984 | 100457 |
Santa Venerina | CT | 6 | 8592 | 109049 |
Viagrande | CT | 6 | 8563 | 117612 |
Aci Bonaccorsi | CT | 6 | 3524 | 121136 |
Valverde | CT | 7 | 7840 | 128976 |
Trecastagni | CT | 7 | 10910 | 139886 |
Zafferana Etnea | CT | 8 | 9517 | 149403 |
San Giovanni la Punta | CT | 9 | 23060 | 172463 |
Pedara | CT | 9 | 14102 | 186565 |
Aci Castello | CT | 9 | 18723 | 205288 |
San Gregorio di Catania | CT | 9 | 11966 | 217254 |
Milo | CT | 10 | 1087 | 218341 |
Tremestieri Etneo | CT | 10 | 20589 | 238930 |
Giarre | CT | 10 | 27659 | 266589 |
Riposto | CT | 11 | 14838 | 281427 |
Sant'Agata li Battiati | CT | 11 | 9479 | 290906 |
Mascalucia | CT | 12 | 31958 | 322864 |
Sant'Alfio | CT | 12 | 1582 | 324446 |
Nicolosi | CT | 12 | 7463 | 331909 |
Gravina di Catania | CT | 12 | 25838 | 357747 |
Mascali | CT | 14 | 14282 | 372029 |
San Pietro Clarenza | CT | 14 | 7743 | 379772 |
Camporotondo Etneo | CT | 16 | 5023 | 384795 |
Catania | CT | 16 | 314555 | 699350 |
Belpasso | CT | 17 | 28108 | 727458 |
Fiumefreddo di Sicilia | CT | 18 | 9623 | 737081 |
Misterbianco | CT | 19 | 49410 | 786491 |
Piedimonte Etneo | CT | 19 | 3963 | 790454 |
Ragalna | CT | 19 | 3924 | 794378 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2023-04-23 12:31:50 |
37.6397 | 15.1583 | 0 | 2024-03-01 17:18:20 |
Bollettino Sismico Italiano INGV | 125160051 |
Reviewed Rev200 |
ML 1.4 | 2023-04-23 12:31:49 |
37.674 | 15.15 | 4 | 2024-02-09 11:29:24 |
Sala Operativa INGV_OE (Catania) | 116646661 |
Field | Value |
---|---|
Time (UTC) | 2023-04-23 12:31:50 ± 0.87 |
Latitude | 37.6397 ± 0.0387 |
Longitude | 15.1583 ± 0.0250 |
Depth (km) | 0 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 125160051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4409 |
Semi-minor axis of confidence ellipse (meter) | 2020 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 167 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 261 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.56 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33635 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 125160051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-09 11:29:10 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 116646661 |
Agency | INGV |
Autore | Sala Operativa INGV_OE (Catania) |
Time of creation (UTC) | 2023-04-23 12:37:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IMOL.HNZ. | 2023-04-23T12:33:36.73 | 3.0 | negative | manual | Pg | 22.84 | 0 | |||
IV.SMA1.EHZ. | 2023-04-23T12:33:33.75 | 3.0 | undecidable | manual | Sn | -5.41 | 0 | |||
HL.VLS.HHZ. | 2023-04-23T12:33:26.69 | 3.0 | undecidable | manual | Sn | -5.95 | 0 | |||
IV.NARO.HHZ. | 2023-04-23T12:33:21.15 | 3.0 | positive | manual | Pg | 19.969999 | 0 | |||
IV.ARVD.HHZ. | 2023-04-23T12:33:00.37 | 3.0 | undecidable | manual | Pn | 1.89 | 0 | |||
IV.CAFE.HHZ. | 2023-04-23T12:32:54.78 | 3.0 | undecidable | manual | Sn | 0.26 | 0 | |||
IV.ASSB.HHZ. | 2023-04-23T12:32:53.38 | 3.0 | undecidable | manual | Pn | -0.29 | 0 | |||
IV.HPAC.HHZ. | 2023-04-23T12:32:28.04 | 3.0 | undecidable | manual | Sg | -0.2 | 0 | |||
IV.LINA.HHZ. | 2023-04-23T12:32:26.38 | 3.0 | positive | manual | Pn | 0.29 | 0 | |||
IV.SERS.HHZ. | 2023-04-23T12:32:21.35 | 3.0 | undecidable | manual | S | -0.75 | 0 | |||
IV.CET2.HHZ. | 2023-04-23T12:32:03.74 | 3.0 | positive | manual | P | 1.51 | 0 | |||
IV.AIO.HHE. | 2023-04-23T12:31:59.00 | 0.3 | undecidable | manual | P | 10 | 37.3293 | 90 | 0.76 | 69 |
IV.ECTS.HHZ. | 2023-04-23T12:31:56.46 | 0.3 | undecidable | manual | P | 353 | 27.0507 | 90 | 0.28 | 81 |
IV.EPIT.HHZ. | 2023-04-23T12:31:56.04 | 0.3 | undecidable | manual | P | 335 | 21.0678 | 90 | 1.08 | 61 |
IV.EPMN.HHN. | 2023-04-23T12:31:54.89 | 0.3 | undecidable | manual | P | 5 | 20.1687 | 90 | 0.11 | 85 |
IV.ECBD.HHN. | 2023-04-23T12:31:54.68 | 0.3 | undecidable | manual | P | 338 | 16.872 | 91 | 0.56 | 77 |
IV.ESAL.HHE. | 2023-04-23T12:31:53.63 | 0.3 | undecidable | manual | P | 351 | 12.9759 | 91 | 0.28 | 83 |
IV.ESPC.HHN. | 2023-04-23T12:31:53.18 | 0.3 | undecidable | manual | P | 297 | 12.876 | 91 | -0.16 | 85 |
IV.EMFO.HHE. | 2023-04-23T12:31:52.87 | 0.3 | undecidable | manual | P | 331 | 12.1767 | 91 | -0.33 | 83 |
IV.EPOZ.HNZ. | 2023-04-23T12:31:52.43 | 0.6 | undecidable | manual | S | 36 | 4.4955 | 92 | 0.13 | 58 |
IV.EVRN.HHZ. | 2023-04-23T12:31:52.10 | 0.6 | undecidable | manual | S | 340 | 5.8941 | 92 | -0.68 | 50 |
IV.EVRN.HHZ. | 2023-04-23T12:31:51.02 | 0.1 | undecidable | manual | P | 340 | 5.8941 | 92 | -0.9 | 91 |
IV.EPOZ.HNZ. | 2023-04-23T12:31:50.96 | 0.1 | undecidable | manual | P | 36 | 4.4955 | 92 | -0.68 | 100 |
IV.IVPL.HHZ. | 2023-04-23T12:31:41.80 | 3.0 | undecidable | manual | P | -0.16 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EPOZ.HNE. | ML:0.0 | 0.0025250535 | 0.1728 | AML | other | m | 2023-04-23T12:31:53.86 |
IV.EVRN.HHE. | ML:2.6 | 0.006117305500000001 | 0.16 | AML | other | m | 2023-04-23T12:31:53.38 |
IV.EVRN.HNN. | ML:2.6 | 0.007215 | 0.2 | AML | other | m | 2023-04-23T12:31:53.10 |
IV.EVRN.HHN. | ML:2.7 | 0.008309999999999998 | 0.2 | AML | other | m | 2023-04-23T12:31:53.10 |
IV.EVRN.HNE. | ML:2.6 | 0.006229198 | 0.1536 | AML | other | m | 2023-04-23T12:31:53.45 |
IV.EPIT.HHE. | ML:2.0 | 0.0009080000000000001 | 0.86 | AML | other | m | 2023-04-23T12:32:03.69 |
IV.EPIT.HHN. | ML:2.1 | 0.0010405 | 1.04 | AML | other | m | 2023-04-23T12:32:08.01 |