A magnitude ML 2.3 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.2380, 15.4820 at 8 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 2.3 | 2015-04-23 10:44:12 |
37.2382 | 15.4823 | 8 | 2015-10-19 09:28:02 |
Bollettino Sismico Italiano INGV | 21662601 |
Reviewed Rev100 |
ML 2.4 | 2015-04-23 10:44:12 |
37.2365 | 15.5158 | 4 | 2015-04-23 11:04:43 |
Sala Sismica INGV-Roma | 18625961 |
Field | Value |
---|---|
Time (UTC) | 2015-04-23 10:44:12 ± 0.21 |
Latitude | 37.2382 ± 0.0063 |
Longitude | 15.4823 ± 0.0102 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 21662601 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 900 |
Semi-minor axis of confidence ellipse (meter) | 349 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 298 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 42 |
Number of defining phases | 42 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.20415 |
Epicentral distance of station farthest from the epicenter (degree) | 1.05131 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 21662601 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-10-02 10:52:11 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 18625961 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-04-23 11:04:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSRU.HHE. | 2015-04-23T10:44:47.27 | 0.6 | undecidable | manual | S | 1 | 113.7972 | 50 | 0.84 | 34 |
IV.MILZ.HHN. | 2015-04-23T10:44:47.60 | 0.3 | undecidable | manual | S | 349 | 116.6943 | 50 | 0.4 | 59 |
IV.GALF.HHZ. | 2015-04-23T10:44:43.13 | 1.0 | undecidable | manual | S | 303 | 96.126 | 50 | 1.41 | 13 |
IV.MPNC.HHN. | 2015-04-23T10:44:43.85 | 0.6 | undecidable | manual | S | 354 | 101.4207 | 50 | 0.73 | 36 |
IV.RAFF.HHZ. | 2015-04-23T10:44:42.42 | 0.3 | undecidable | manual | S | 269 | 98.9232 | 50 | -0.03 | 66 |
IV.NOV.HHZ. | 2015-04-23T10:44:41.30 | 0.3 | undecidable | manual | S | 341 | 92.7405 | 50 | 0.5 | 61 |
IV.CAGR.HHE. | 2015-04-23T10:44:41.73 | 0.6 | undecidable | manual | S | 297 | 96.4257 | 50 | -0.06 | 44 |
IV.MCSR.HHZ. | 2015-04-23T10:44:41.30 | 1.0 | undecidable | manual | S | 346 | 94.3389 | 50 | 0.08 | 22 |
IV.MPAZ.HHZ. | 2015-04-23T10:44:40.17 | 1.0 | undecidable | manual | S | 30 | 91.7415 | 50 | -0.36 | 21 |
IV.HPAC.HHZ. | 2015-04-23T10:44:35.70 | 0.1 | undecidable | manual | S | 214 | 70.7736 | 50 | 0.76 | 76 |
IV.HMDC.HHZ. | 2015-04-23T10:44:35.00 | 0.3 | undecidable | manual | S | 244 | 69.1752 | 50 | 0.49 | 64 |
IV.HVZN.HHE. | 2015-04-23T10:44:34.13 | 0.6 | undecidable | manual | S | 265 | 68.0763 | 50 | -0.09 | 46 |
IV.ESLN.HHZ. | 2015-04-23T10:44:33.82 | 0.1 | undecidable | manual | S | 319 | 67.4769 | 50 | -0.23 | 90 |
IV.MSRU.HHE. | 2015-04-23T10:44:32.15 | 0.6 | undecidable | manual | P | 1 | 113.7972 | 50 | -0.1 | 42 |
IV.MILZ.HHN. | 2015-04-23T10:44:32.16 | 0.1 | undecidable | manual | P | 349 | 116.6943 | 50 | -0.53 | 76 |
IV.MEU.SHE. | 2015-04-23T10:44:31.42 | 0.1 | undecidable | manual | S | 256 | 59.3961 | 50 | -0.47 | 87 |
IV.MPNC.HHN. | 2015-04-23T10:44:30.11 | 0.1 | positive | manual | P | 354 | 101.4207 | 50 | -0.23 | 85 |
IV.RAFF.HHZ. | 2015-04-23T10:44:30.01 | 0.1 | positive | manual | P | 269 | 98.9232 | 50 | 0.06 | 88 |
IV.GALF.HHZ. | 2015-04-23T10:44:30.10 | 0.1 | undecidable | manual | P | 303 | 96.126 | 50 | 0.57 | 78 |
IV.CAGR.HHE. | 2015-04-23T10:44:30.62 | 1.0 | undecidable | manual | P | 297 | 96.4257 | 50 | 1.05 | 16 |
IV.HLNI.HHE. | 2015-04-23T10:44:29.94 | 0.3 | undecidable | manual | S | 283 | 55.2003 | 50 | -0.85 | 57 |
IV.MCSR.HHZ. | 2015-04-23T10:44:29.00 | 0.1 | positive | manual | P | 346 | 94.3389 | 50 | -0.24 | 86 |
IV.NOV.HHZ. | 2015-04-23T10:44:28.74 | 0.3 | undecidable | manual | P | 341 | 92.7405 | 50 | -0.26 | 64 |
IV.HAVL.HHZ. | 2015-04-23T10:44:28.20 | 0.3 | undecidable | manual | S | 226 | 44.4222 | 50 | 0.3 | 70 |
IV.MPAZ.HHZ. | 2015-04-23T10:44:28.25 | 0.3 | undecidable | manual | P | 30 | 91.7415 | 50 | -0.6 | 59 |
IV.EPZF.HHZ. | 2015-04-23T10:44:28.52 | 0.1 | negative | manual | P | 320 | 85.1481 | 50 | 0.69 | 76 |
IV.EMSG.HHN. | 2015-04-23T10:44:27.73 | 0.3 | undecidable | manual | P | 324 | 79.8645 | 50 | 0.72 | 57 |
IV.ECNV.HHE. | 2015-04-23T10:44:27.22 | 0.6 | undecidable | manual | P | 301 | 78.5658 | 50 | 0.4 | 43 |
IV.HPAC.HHZ. | 2015-04-23T10:44:25.82 | 0.1 | positive | manual | P | 214 | 70.7736 | 50 | 0.21 | 90 |
IV.SSY.HHZ. | 2015-04-23T10:44:25.80 | 0.3 | undecidable | manual | S | 256 | 37.2294 | 50 | -0.17 | 72 |
IV.HMDC.HHZ. | 2015-04-23T10:44:25.04 | 0.1 | positive | manual | P | 244 | 69.1752 | 50 | -0.33 | 88 |
IV.ESLN.HHZ. | 2015-04-23T10:44:24.88 | 0.1 | positive | manual | P | 319 | 67.4769 | 50 | -0.22 | 90 |
IV.HVZN.HHE. | 2015-04-23T10:44:24.90 | 0.1 | undecidable | manual | P | 265 | 68.0763 | 50 | -0.3 | 89 |
IV.HAGA.HHZ. | 2015-04-23T10:44:23.20 | 0.1 | undecidable | manual | S | 280 | 29.3484 | 105 | -0.22 | 97 |
IV.EPOZ.HHZ. | 2015-04-23T10:44:23.07 | 0.1 | undecidable | manual | P | 332 | 54.6009 | 50 | -0.06 | 96 |
IV.MEU.SHE. | 2015-04-23T10:44:23.31 | 0.1 | positive | manual | P | 256 | 59.3961 | 50 | -0.55 | 85 |
IV.HLNI.HHE. | 2015-04-23T10:44:22.59 | 0.1 | positive | manual | P | 283 | 55.2003 | 50 | -0.63 | 83 |
IV.AGST.EHZ. | 2015-04-23T10:44:21.60 | 0.1 | undecidable | manual | S | 275 | 22.6551 | 109 | 0.42 | 94 |
IV.HAVL.HHZ. | 2015-04-23T10:44:21.62 | 0.1 | positive | manual | P | 226 | 44.4222 | 50 | 0.07 | 97 |
IV.SSY.HHZ. | 2015-04-23T10:44:20.19 | 0.1 | positive | manual | P | 256 | 37.2294 | 50 | -0.25 | 95 |
IV.HAGA.HHZ. | 2015-04-23T10:44:18.89 | 0.1 | positive | manual | P | 280 | 29.3484 | 105 | -0.07 | 100 |
IV.AGST.EHZ. | 2015-04-23T10:44:17.99 | 0.1 | positive | manual | P | 275 | 22.6551 | 109 | 0.31 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AGST.EHE. | ML:2.5 | 0.002255 | 0.64 | AML | other | m | 2015-04-23T10:44:22.12 |
IV.AGST.EHN. | ML:2.4 | 0.0015699999999999998 | 0.12 | AML | other | m | 2015-04-23T10:44:22.08 |
IV.HAGA.HHE. | ML:2.3 | 0.0010350000000000001 | 0.48 | AML | other | m | 2015-04-23T10:44:23.30 |
IV.HAGA.HHN. | ML:2.5 | 0.001685 | 0.62 | AML | other | m | 2015-04-23T10:44:23.62 |
IV.HAVL.HHN. | ML:2.4 | 0.0008235 | 0.14 | AML | other | m | 2015-04-23T10:44:28.80 |
IV.HAVL.HHE. | ML:2.3 | 0.0006585000000000001 | 1.22 | AML | other | m | 2015-04-23T10:44:28.50 |
IV.HMDC.HHN. | ML:2.1 | 0.0002275 | 0.24 | AML | other | m | 2015-04-23T10:44:38.33 |
IV.HMDC.HHE. | ML:2.1 | 0.0002195 | 1.18 | AML | other | m | 2015-04-23T10:44:39.99 |
IV.SSY.HHN. | ML:2.5 | 0.00127 | 0.16 | AML | other | m | 2015-04-23T10:44:27.66 |
IV.SSY.HHE. | ML:2.1 | 0.00045299999999999995 | 1.26 | AML | other | m | 2015-04-23T10:44:27.95 |