A magnitude ML 1.5 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1420, 15.3160 at 24 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 |
---|---|---|---|---|
Siracusa | SR | 9 | 122291 | 122291 |
Priolo Gargallo | SR | 12 | 12091 | 134382 |
Augusta | SR | 13 | 36305 | 170687 |
Floridia | SR | 16 | 22762 | 193449 |
Melilli | SR | 17 | 13621 | 207070 |
Solarino | SR | 18 | 8091 | 215161 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2019-04-18 03:49:15 |
37.1425 | 15.3162 | 24 | 2019-08-22 08:25:13 |
Bollettino Sismico Italiano INGV | 71244251 |
Reviewed Rev100 |
ML 1.4 | 2019-04-18 03:49:16 |
37.1223 | 15.3702 | 11 | 2019-04-18 03:57:08 |
Sala Sismica INGV-Roma | 67698911 |
Field | Value |
---|---|
Time (UTC) | 2019-04-18 03:49:15 ± 0.34 |
Latitude | 37.1425 ± 0.0135 |
Longitude | 15.3162 ± 0.0226 |
Depth (km) | 24 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 71244251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1710 |
Semi-minor axis of confidence ellipse (meter) | 1654 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 308 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 239 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.13400 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48743 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 71244251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-08-07 12:23:09 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 67698911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-04-18 03:57:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HPAC.HHZ. | 2019-04-18T03:49:33.36 | 1.0 | undecidable | manual | S | 207 | 54.1014 | 106 | 0.24 | 24 |
IV.SSY.HHZ. | 2019-04-18T03:49:25.29 | 0.6 | undecidable | manual | S | 275 | 21.4674 | 132 | -0.07 | 51 |
IV.HAGA.HHZ. | 2019-04-18T03:49:25.69 | 0.6 | undecidable | manual | S | 318 | 21.2676 | 132 | 0.38 | 46 |
IV.HPAC.HHZ. | 2019-04-18T03:49:25.90 | 0.6 | undecidable | manual | P | 207 | 54.1014 | 106 | 0.13 | 47 |
IV.AGST.EHZ. | 2019-04-18T03:49:23.97 | 0.6 | undecidable | manual | S | 328 | 14.874 | 143 | -0.2 | 49 |
IV.SSY.HHZ. | 2019-04-18T03:49:21.10 | 0.3 | undecidable | manual | P | 275 | 21.4674 | 132 | -0.19 | 74 |
IV.HAGA.HHZ. | 2019-04-18T03:49:21.39 | 0.1 | undecidable | manual | P | 318 | 21.2676 | 132 | 0.13 | 98 |
IV.AGST.EHZ. | 2019-04-18T03:49:20.47 | 0.1 | undecidable | manual | P | 328 | 14.874 | 143 | -0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.AGST.EHN. | ML:1.4 | 0.0001415 | 0.66 | AML | other | m | 2019-04-18T03:49:24.89 |
IV.HAGA.HHN. | ML:1.2 | 0.00007350000000000001 | 1.52 | AML | other | m | 2019-04-18T03:49:25.04 |
IV.HAGA.HHE. | ML:1.4 | 0.0001175 | 0.44 | AML | other | m | 2019-04-18T03:49:25.82 |
IV.SSY.HHE. | ML:1.7 | 0.00023249999999999999 | 0.76 | AML | other | m | 2019-04-18T03:49:26.18 |
IV.SSY.HHN. | ML:2.1 | 0.0006094999999999999 | 1.14 | AML | other | m | 2019-04-18T03:49:27.03 |
IV.HPAC.HHE. | ML:1.4 | 0.00005000082 | 0.24 | AML | other | m | 2019-04-18T03:49:34.58 |