A magnitude ML 2.0 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1980, 15.5620 at 21 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 2.0 | 2015-09-25 03:10:13 |
37.1977 | 15.5617 | 21 | 2016-02-19 13:21:47 |
Bollettino Sismico Italiano INGV | 21613711 |
Reviewed Rev100 |
ML 1.8 | 2015-09-25 03:10:13 |
37.1907 | 15.577 | 10 | 2015-09-25 03:16:38 |
Sala Sismica INGV-Roma | 21575761 |
Field | Value |
---|---|
Time (UTC) | 2015-09-25 03:10:13 ± 0.17 |
Latitude | 37.1977 ± 0.0054 |
Longitude | 15.5617 ± 0.0102 |
Depth (km) | 21 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 21613711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 782 |
Semi-minor axis of confidence ellipse (meter) | 504 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 88 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 780.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 295 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.27249 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95508 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 21613711 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2016-02-01 11:37:32 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 21575761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-09-25 03:16:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RAFF.HHZ. | 2015-09-25T03:10:45.19 | 1.0 | undecidable | manual | S | 272 | 106.0161 | 96 | 0.62 | 19 |
IV.HMDC.HHZ. | 2015-09-25T03:10:35.77 | 0.6 | undecidable | manual | S | 249 | 73.7706 | 99 | -0.28 | 44 |
IV.HPAC.HHZ. | 2015-09-25T03:10:35.47 | 0.6 | undecidable | manual | S | 221 | 71.4729 | 100 | 0.04 | 47 |
IV.MEU.SHZ. | 2015-09-25T03:10:33.67 | 0.3 | undecidable | manual | S | 262 | 65.3901 | 101 | -0.17 | 69 |
IV.HLNI.HHZ. | 2015-09-25T03:10:33.32 | 0.3 | undecidable | manual | S | 286 | 63.1923 | 101 | 0.07 | 70 |
IV.RAFF.HHZ. | 2015-09-25T03:10:31.94 | 0.3 | undecidable | manual | P | 272 | 106.0161 | 96 | 0.43 | 60 |
IV.HAVL.HHZ. | 2015-09-25T03:10:29.27 | 0.3 | undecidable | manual | S | 236 | 47.0196 | 106 | 0.21 | 71 |
IV.SSY.HHZ. | 2015-09-25T03:10:28.40 | 0.3 | undecidable | manual | S | 264 | 43.3233 | 107 | 0.28 | 70 |
IV.HMDC.HHZ. | 2015-09-25T03:10:26.33 | 0.1 | undecidable | manual | P | 249 | 73.7706 | 99 | -0.27 | 88 |
IV.HPAC.HHZ. | 2015-09-25T03:10:26.18 | 0.3 | undecidable | manual | P | 221 | 71.4729 | 100 | -0.06 | 69 |
IV.HAGA.HHZ. | 2015-09-25T03:10:26.66 | 0.6 | undecidable | manual | S | 285 | 37.2294 | 111 | 0.09 | 49 |
IV.MEU.SHZ. | 2015-09-25T03:10:25.08 | 0.1 | undecidable | manual | P | 262 | 65.3901 | 101 | -0.24 | 90 |
IV.AGST.EHZ. | 2015-09-25T03:10:24.76 | 0.3 | undecidable | manual | S | 283 | 30.2475 | 117 | -0.11 | 74 |
IV.HLNI.HHZ. | 2015-09-25T03:10:24.99 | 0.1 | positive | manual | P | 286 | 63.1923 | 101 | 0.01 | 95 |
IV.HAVL.HHZ. | 2015-09-25T03:10:22.54 | 0.1 | positive | manual | P | 236 | 47.0196 | 106 | -0.02 | 98 |
IV.SSY.HHZ. | 2015-09-25T03:10:21.99 | 0.1 | undecidable | manual | P | 264 | 43.3233 | 107 | -0.03 | 98 |
IV.HAGA.HHZ. | 2015-09-25T03:10:21.21 | 0.1 | undecidable | manual | P | 285 | 37.2294 | 111 | 0.09 | 98 |
IV.AGST.EHZ. | 2015-09-25T03:10:20.11 | 0.1 | undecidable | manual | P | 283 | 30.2475 | 117 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HLNI.HHN. | ML:1.9 | 0.000149 | 1.48 | AML | other | m | 2015-09-25T03:10:34.33 |
IV.HLNI.HHE. | ML:1.8 | 0.00011145000000000001 | 0.56 | AML | other | m | 2015-09-25T03:10:34.40 |
IV.HPAC.HHE. | ML:2.1 | 0.0001805 | 1.58 | AML | other | m | 2015-09-25T03:10:23.61 |
IV.HPAC.HHN. | ML:2.3 | 0.000325 | 1.58 | AML | other | m | 2015-09-25T03:10:54.25 |