A magnitude ML 2.1 (volcanic eruption) earthquake occured in region: 7 km NE Ragalna (CT), on
and geographic coordinates (lat, lon) 37.6850, 14.9790 at 1 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: volcanic eruption.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 |
---|---|---|---|---|
Ragalna | CT | 7 | 3924 | 3924 |
Nicolosi | CT | 9 | 7463 | 11387 |
Pedara | CT | 10 | 14102 | 25489 |
Belpasso | CT | 10 | 28108 | 53597 |
Biancavilla | CT | 11 | 24007 | 77604 |
Santa Maria di Licodia | CT | 11 | 7641 | 85245 |
Zafferana Etnea | CT | 11 | 9517 | 94762 |
Trecastagni | CT | 12 | 10910 | 105672 |
Milo | CT | 13 | 1087 | 106759 |
Adrano | CT | 13 | 36122 | 142881 |
San Pietro Clarenza | CT | 13 | 7743 | 150624 |
Camporotondo Etneo | CT | 13 | 5023 | 155647 |
Viagrande | CT | 13 | 8563 | 164210 |
PaternĂ² | CT | 14 | 48228 | 212438 |
Mascalucia | CT | 14 | 31958 | 244396 |
Santa Venerina | CT | 14 | 8592 | 252988 |
Tremestieri Etneo | CT | 15 | 20589 | 273577 |
Aci Bonaccorsi | CT | 15 | 3524 | 277101 |
Gravina di Catania | CT | 16 | 25838 | 302939 |
Aci Sant'Antonio | CT | 16 | 17984 | 320923 |
San Giovanni la Punta | CT | 16 | 23060 | 343983 |
Sant'Alfio | CT | 16 | 1582 | 345565 |
Sant'Agata li Battiati | CT | 17 | 9479 | 355044 |
Aci Catena | CT | 17 | 29851 | 384895 |
Bronte | CT | 17 | 19172 | 404067 |
Valverde | CT | 17 | 7840 | 411907 |
San Gregorio di Catania | CT | 18 | 11966 | 423873 |
Misterbianco | CT | 18 | 49410 | 473283 |
Acireale | CT | 18 | 52622 | 525905 |
Giarre | CT | 19 | 27659 | 553564 |
Maletto | CT | 19 | 3920 | 557484 |
Motta Sant'Anastasia | CT | 19 | 12116 | 569600 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2017-12-31 13:00:08 |
37.6847 | 14.9788 | 1 | 2018-09-04 09:10:41 |
Bollettino Sismico Italiano INGV | 54197991 |
Reviewed Rev100 |
ML 2.2 | 2017-12-31 13:00:07 |
37.6808 | 14.9367 | 5 | 2017-12-31 13:32:53 |
Sala Sismica INGV-Roma | 52935131 |
Field | Value |
---|---|
Time (UTC) | 2017-12-31 13:00:08 ± 0.17 |
Latitude | 37.6847 ± 0.0081 |
Longitude | 14.9788 ± 0.0136 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | volcanic eruption |
Origin ID | 54197991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1260 |
Semi-minor axis of confidence ellipse (meter) | 880 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 281 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 67 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.00989 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42268 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 54197991 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-07-26 12:17:07 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 52935131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-12-31 13:32:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAGA.HHN. | 2017-12-31T13:00:25.57 | 0.6 | undecidable | manual | S | 161 | 46.9197 | 91 | 0.75 | 39 |
IV.NOV.HHZ. | 2017-12-31T13:00:17.34 | 0.3 | undecidable | manual | P | 20 | 40.5261 | 92 | 0.7 | 61 |
IV.HAGA.HHN. | 2017-12-31T13:00:17.09 | 0.3 | undecidable | manual | P | 161 | 46.9197 | 91 | -0.84 | 57 |
IV.MUCR.HHZ. | 2017-12-31T13:00:16.95 | 0.3 | undecidable | manual | P | 347 | 40.8258 | 92 | 0.25 | 70 |
IV.GALF.HHZ. | 2017-12-31T13:00:16.00 | 0.3 | undecidable | manual | P | 275 | 36.3414 | 92 | 0.2 | 71 |
IV.AIO.HHE. | 2017-12-31T13:00:16.29 | 0.3 | undecidable | manual | P | 35 | 38.8278 | 92 | -0.01 | 73 |
IV.HLNI.HHZ. | 2017-12-31T13:00:15.32 | 0.3 | undecidable | manual | P | 194 | 38.4282 | 92 | -0.91 | 56 |
IV.ESML.HHZ. | 2017-12-31T13:00:13.24 | 0.1 | undecidable | manual | S | 230 | 11.4774 | 96 | 0.73 | 84 |
IV.EPOZ.HHZ. | 2017-12-31T13:00:12.62 | 0.3 | undecidable | manual | P | 94 | 18.4704 | 94 | 0.4 | 70 |
IV.EPZF.HHZ. | 2017-12-31T13:00:11.96 | 0.3 | undecidable | manual | P | 325 | 18.7701 | 94 | -0.33 | 71 |
IV.EMSG.HHZ. | 2017-12-31T13:00:11.70 | 0.1 | undecidable | manual | P | 350 | 15.2736 | 94 | 0.1 | 100 |
IV.ESML.HHZ. | 2017-12-31T13:00:10.33 | 0.6 | undecidable | manual | P | 230 | 11.4774 | 96 | -0.49 | 46 |
IV.ESLN.HHE. | 2017-12-31T13:00:09.01 | 0.3 | undecidable | manual | S | 338 | 1.0989 | 138 | -0.05 | 78 |
IV.ESLN.HHE. | 2017-12-31T13:00:08.23 | 0.1 | undecidable | manual | P | 338 | 1.0989 | 138 | -0.6 | 90 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ESML.HHN. | ML:1.9 | 0.0014074564999999998 | 0.22 | AML | other | m | 2017-12-31T13:00:13.45 |
IV.ESML.HHE. | ML:2.1 | 0.0022475595 | 0.5376 | AML | other | m | 2017-12-31T13:00:13.76 |
IV.EMSG.HHN. | ML:2.5 | 0.003310888 | 0.4224 | AML | other | m | 2017-12-31T13:00:17.62 |
IV.EMSG.HHE. | ML:2.6 | 0.0046045145 | 0.66 | AML | other | m | 2017-12-31T13:00:17.89 |
IV.EPOZ.HHE. | ML:1.8 | 0.0006530015499999999 | 0.54 | AML | other | m | 2017-12-31T13:00:20.66 |
IV.EPOZ.HHN. | ML:1.8 | 0.00063213215 | 0.58 | AML | other | m | 2017-12-31T13:00:21.46 |
IV.EPZF.HHN. | ML:2.2 | 0.0016256075 | 1.5 | AML | other | m | 2017-12-31T13:00:21.20 |
IV.EPZF.HHE. | ML:2.2 | 0.0014150485 | 1.6 | AML | other | m | 2017-12-31T13:00:21.15 |
IV.MUCR.HHE. | ML:2.3 | 0.0006839999999999999 | 0.64 | AML | other | m | 2017-12-31T13:00:26.04 |
IV.GALF.HHN. | ML:2.0 | 0.00043544155 | 0.6592 | AML | other | m | 2017-12-31T13:00:30.84 |
IV.GALF.HHE. | ML:2.1 | 0.00047793779999999995 | 0.72 | AML | other | m | 2017-12-31T13:00:31.94 |
IV.MUCR.HHN. | ML:2.1 | 0.0004845 | 0.88 | AML | other | m | 2017-12-31T13:00:32.26 |