A magnitude ML 2.4 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1660, 15.5600 at 7 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.4 | 2015-09-21 20:36:08 |
37.166 | 15.5602 | 7 | 2016-02-19 13:21:47 |
Bollettino Sismico Italiano INGV | 23154131 |
Reviewed Rev100 |
ML 2.5 | 2015-09-21 20:36:08 |
37.1757 | 15.5543 | 9 | 2015-09-21 20:49:27 |
Sala Sismica INGV-Roma | 21514011 |
Field | Value |
---|---|
Time (UTC) | 2015-09-21 20:36:08 ± 0.24 |
Latitude | 37.1660 ± 0.0081 |
Longitude | 15.5602 ± 0.0113 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 23154131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 987 |
Semi-minor axis of confidence ellipse (meter) | 670 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 314 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 199 |
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) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.27969 |
Epicentral distance of station farthest from the epicenter (degree) | 1.03152 |
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 | 2.5 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 21514011 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-09-21 20:49:25 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 23154131 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2016-01-19 11:17:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ESML.HHZ. | 2015-09-21T20:36:33.19 | 0.6 | undecidable | manual | S | 310 | 78.1662 | 50 | 0.36 | 44 |
IV.HMDC.HHZ. | 2015-09-21T20:36:31.15 | 0.3 | undecidable | manual | S | 252 | 72.4719 | 50 | -0.16 | 70 |
IV.HPAC.HHZ. | 2015-09-21T20:36:31.02 | 0.6 | undecidable | manual | S | 223 | 68.7756 | 50 | 0.72 | 40 |
IV.HLNI.HHZ. | 2015-09-21T20:36:28.53 | 0.3 | undecidable | manual | S | 289 | 64.0914 | 50 | -0.51 | 66 |
IV.MUCR.HHZ. | 2015-09-21T20:36:28.21 | 0.3 | undecidable | manual | P | 328 | 114.4965 | 50 | 0.02 | 66 |
IV.MEU.SHZ. | 2015-09-21T20:36:28.81 | 0.6 | undecidable | manual | S | 265 | 64.8906 | 50 | -0.45 | 44 |
IV.GALF.HHZ. | 2015-09-21T20:36:27.67 | 0.1 | undecidable | manual | P | 305 | 106.3158 | 50 | 0.73 | 74 |
IV.NOV.HHZ. | 2015-09-21T20:36:26.31 | 0.3 | undecidable | manual | P | 339 | 102.6195 | 50 | -0.05 | 67 |
IV.RAFF.HHZ. | 2015-09-21T20:36:26.84 | 0.1 | undecidable | manual | P | 274 | 106.0161 | 50 | -0.05 | 89 |
IV.MCSR.HHZ. | 2015-09-21T20:36:26.79 | 0.3 | undecidable | manual | P | 344 | 103.8183 | 50 | 0.24 | 65 |
IV.EPZF.HHZ. | 2015-09-21T20:36:25.96 | 0.3 | undecidable | manual | P | 320 | 95.7264 | 50 | 0.67 | 58 |
IV.HAVL.HHZ. | 2015-09-21T20:36:24.25 | 0.3 | undecidable | manual | S | 240 | 45.0216 | 50 | 0.28 | 72 |
IV.MPAZ.HHE. | 2015-09-21T20:36:24.65 | 0.3 | undecidable | manual | P | 24 | 95.7264 | 50 | -0.65 | 59 |
IV.SSY.HHZ. | 2015-09-21T20:36:23.59 | 0.3 | undecidable | manual | S | 269 | 43.0236 | 50 | 0.16 | 74 |
IV.ESML.HHZ. | 2015-09-21T20:36:22.57 | 0.1 | undecidable | manual | P | 310 | 78.1662 | 50 | -0.03 | 95 |
IV.HPAC.HHZ. | 2015-09-21T20:36:21.27 | 0.1 | undecidable | manual | P | 223 | 68.7756 | 50 | 0.13 | 94 |
IV.HMDC.HHZ. | 2015-09-21T20:36:21.41 | 0.1 | positive | manual | P | 252 | 72.4719 | 50 | -0.32 | 90 |
IV.HAGA.HHZ. | 2015-09-21T20:36:21.82 | 0.6 | undecidable | manual | S | 290 | 38.1285 | 101 | -0.28 | 48 |
IV.MEU.SHZ. | 2015-09-21T20:36:20.06 | 0.1 | positive | manual | P | 265 | 64.8906 | 50 | -0.48 | 88 |
IV.EPOZ.HHZ. | 2015-09-21T20:36:20.80 | 0.1 | undecidable | manual | P | 330 | 64.9905 | 50 | 0.24 | 93 |
IV.HLNI.HHZ. | 2015-09-21T20:36:19.97 | 0.1 | positive | manual | P | 289 | 64.0914 | 50 | -0.45 | 89 |
IV.AGST.EHZ. | 2015-09-21T20:36:19.98 | 0.3 | undecidable | manual | S | 289 | 31.0467 | 103 | 0.27 | 74 |
IV.SSY.HHZ. | 2015-09-21T20:36:17.02 | 0.1 | positive | manual | P | 269 | 43.0236 | 50 | -0.16 | 99 |
IV.HAVL.HHZ. | 2015-09-21T20:36:17.58 | 0.1 | positive | manual | P | 240 | 45.0216 | 50 | 0.09 | 99 |
IV.HAGA.HHZ. | 2015-09-21T20:36:16.19 | 0.1 | undecidable | manual | P | 290 | 38.1285 | 101 | -0.22 | 98 |
IV.AGST.EHZ. | 2015-09-21T20:36:15.21 | 0.1 | positive | manual | P | 289 | 31.0467 | 103 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AGST.EHN. | ML:2.6 | 0.0017749999999999999 | 0.18 | AML | other | m | 2015-09-21T20:36:20.15 |
IV.AGST.EHE. | ML:2.5 | 0.001462 | 0.84 | AML | other | m | 2015-09-21T20:36:20.38 |
IV.ESML.HHN. | ML:2.4 | 0.00039049999999999995 | 0.32 | AML | other | m | 2015-09-21T20:36:33.45 |
IV.ESML.HHE. | ML:2.4 | 0.000388 | 0.28 | AML | other | m | 2015-09-21T20:36:33.49 |
IV.GALF.HHN. | ML:2.0 | 0.00009305 | 0.84 | AML | other | m | 2015-09-21T20:36:43.66 |
IV.GALF.HHE. | ML:2.1 | 0.00011135000000000001 | 0.5 | AML | other | m | 2015-09-21T20:36:48.56 |
IV.HAGA.HHN. | ML:2.2 | 0.00061 | 0.38 | AML | other | m | 2015-09-21T20:36:21.91 |
IV.HAGA.HHE. | ML:2.1 | 0.0005074999999999999 | 1.02 | AML | other | m | 2015-09-21T20:36:22.57 |
IV.HAVL.HHN. | ML:2.7 | 0.001655 | 0.36 | AML | other | m | 2015-09-21T20:36:24.80 |
IV.HAVL.HHE. | ML:2.6 | 0.0012150000000000002 | 0.2 | AML | other | m | 2015-09-21T20:36:25.86 |
IV.HLNI.HHE. | ML:2.6 | 0.000773 | 0.26 | AML | other | m | 2015-09-21T20:36:28.82 |
IV.HLNI.HHN. | ML:2.9 | 0.00145 | 0.4 | AML | other | m | 2015-09-21T20:36:28.82 |
IV.HMDC.HHN. | ML:2.4 | 0.000383 | 0.82 | AML | other | m | 2015-09-21T20:36:31.49 |
IV.HMDC.HHE. | ML:2.4 | 0.0003735 | 1.58 | AML | other | m | 2015-09-21T20:36:31.31 |
IV.HPAC.HHE. | ML:2.9 | 0.0012799999999999999 | 0.16 | AML | other | m | 2015-09-21T20:36:31.35 |
IV.HPAC.HHN. | ML:2.7 | 0.000995 | 1.58 | AML | other | m | 2015-09-21T20:36:36.73 |
IV.MCSR.HHE. | ML:2.2 | 0.00013350000000000002 | 1.06 | AML | other | m | 2015-09-21T20:36:45.02 |
IV.MCSR.HHN. | ML:2.2 | 0.00014749999999999998 | 1.52 | AML | other | m | 2015-09-21T20:36:42.26 |
IV.MEU.SHE. | ML:0.0 | 0.0005064999999999999 | 1.56 | AML | other | m | 2015-09-21T20:36:33.56 |
IV.MEU.SHN. | ML:0.0 | 0.0006670000000000001 | 0.4 | AML | other | m | 2015-09-21T20:36:31.30 |
IV.SSY.HHE. | ML:2.3 | 0.0006014999999999999 | 0.5 | AML | other | m | 2015-09-21T20:36:25.51 |
IV.SSY.HHN. | ML:2.5 | 0.0011455 | 0.3 | AML | other | m | 2015-09-21T20:36:24.50 |