A magnitude ML 1.7 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1580, 15.2830 at 25 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 |
---|---|---|---|---|
Priolo Gargallo | SR | 8 | 12091 | 12091 |
Augusta | SR | 10 | 36305 | 48396 |
Siracusa | SR | 11 | 122291 | 170687 |
Melilli | SR | 14 | 13621 | 184308 |
Floridia | SR | 14 | 22762 | 207070 |
Solarino | SR | 16 | 8091 | 215161 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2019-04-18 01:38:41 |
37.1582 | 15.2828 | 25 | 2019-08-22 08:25:13 |
Bollettino Sismico Italiano INGV | 71244131 |
Reviewed Rev100 |
ML 1.8 | 2019-04-18 01:38:41 |
37.1612 | 15.2982 | 25 | 2019-04-18 01:46:14 |
Sala Sismica INGV-Roma | 67694811 |
Field | Value |
---|---|
Time (UTC) | 2019-04-18 01:38:41 ± 0.26 |
Latitude | 37.1582 ± 0.0081 |
Longitude | 15.2828 ± 0.0169 |
Depth (km) | 25 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 71244131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1131 |
Semi-minor axis of confidence ellipse (meter) | 1046 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 284 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 202 |
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) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.73565 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 71244131 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-08-07 12:19:50 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 67694811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-18 01:46:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CROCE.HHZ. | 2019-04-18T01:39:04.40 | 0.6 | undecidable | manual | S | 242 | 75.4689 | 102 | -0.28 | 43 |
IV.HPAC.HHZ. | 2019-04-18T01:39:00.12 | 0.6 | undecidable | manual | S | 204 | 54.4011 | 108 | 0.88 | 38 |
IV.HVZN.HNZ. | 2019-04-18T01:38:58.69 | 0.6 | undecidable | manual | S | 273 | 50.2164 | 110 | 0.51 | 44 |
IT.PPL1.HGE. | 2019-04-18T01:38:58.89 | 0.6 | undecidable | manual | S | 194 | 54.1014 | 108 | -0.26 | 45 |
IV.RAFF.HHZ. | 2019-04-18T01:38:55.99 | 0.1 | undecidable | manual | P | 275 | 81.6516 | 101 | 0.11 | 89 |
IV.CROCE.HHZ. | 2019-04-18T01:38:54.39 | 0.1 | undecidable | manual | P | 242 | 75.4689 | 102 | -0.56 | 80 |
IT.LNT.HGZ. | 2019-04-18T01:38:53.42 | 0.6 | undecidable | manual | S | 300 | 28.6491 | 125 | 0.38 | 46 |
IV.HPAC.HHZ. | 2019-04-18T01:38:52.39 | 0.1 | undecidable | manual | P | 204 | 54.4011 | 108 | 0.57 | 85 |
IV.EPOZ.HHE. | 2019-04-18T01:38:52.80 | 0.3 | undecidable | manual | P | 352 | 57.5979 | 107 | 0.52 | 62 |
IV.SSY.HHZ. | 2019-04-18T01:38:51.27 | 0.6 | undecidable | manual | S | 270 | 18.4704 | 139 | 0.27 | 48 |
IT.PPL1.HGE. | 2019-04-18T01:38:51.18 | 0.3 | undecidable | manual | P | 194 | 54.1014 | 108 | -0.58 | 62 |
IV.HVZN.HNZ. | 2019-04-18T01:38:51.03 | 0.3 | undecidable | manual | P | 273 | 50.2164 | 110 | -0.17 | 70 |
IV.HAGA.HHZ. | 2019-04-18T01:38:50.95 | 0.6 | undecidable | manual | S | 321 | 18.0708 | 140 | 0.02 | 50 |
IV.AGST.EHZ. | 2019-04-18T01:38:49.95 | 0.6 | undecidable | manual | S | 336 | 11.9769 | 151 | -0.06 | 52 |
IT.LNT.HGZ. | 2019-04-18T01:38:48.17 | 0.1 | undecidable | manual | P | 300 | 28.6491 | 125 | -0.06 | 100 |
IV.HAGA.HHZ. | 2019-04-18T01:38:46.84 | 0.1 | undecidable | manual | P | 321 | 18.0708 | 140 | -0.17 | 100 |
IV.SSY.HHZ. | 2019-04-18T01:38:46.94 | 0.1 | undecidable | manual | P | 270 | 18.4704 | 139 | -0.12 | 100 |
IV.AGST.EHZ. | 2019-04-18T01:38:46.27 | 0.1 | undecidable | manual | P | 336 | 11.9769 | 151 | -0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AGST.EHN. | ML:1.9 | 0.00043200000000000004 | 0.56 | AML | other | m | 2019-04-18T01:38:50.08 |
IV.SSY.HHN. | ML:2.1 | 0.0006159589 | 0.12 | AML | other | m | 2019-04-18T01:38:52.34 |
IV.SSY.HHE. | ML:1.7 | 0.00024648274999999995 | 0.08 | AML | other | m | 2019-04-18T01:38:52.51 |
IV.HPAC.HHN. | ML:1.7 | 0.00010415086500000001 | 0.22 | AML | other | m | 2019-04-18T01:39:00.52 |
IV.HPAC.HHE. | ML:1.5 | 0.00005856877 | 0.2 | AML | other | m | 2019-04-18T01:39:00.67 |
IV.CROCE.HNN. | ML:2.2 | 0.0002064837 | 0.2192 | AML | other | m | 2019-04-18T01:39:04.14 |
IV.CROCE.HHE. | ML:1.2 | 0.00002455393 | 0.3 | AML | other | m | 2019-04-18T01:39:04.49 |
IV.CROCE.HHN. | ML:1.6 | 0.00006225 | 0.64 | AML | other | m | 2019-04-18T01:39:04.88 |