A magnitude ML 1.4 earthquake occured in region: 1 km NW Siracusa (SR), on
and geographic coordinates (lat, lon) 37.0650, 15.2850 at 26 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 1 | 122291 | 122291 |
Floridia | SR | 12 | 22762 | 145053 |
Priolo Gargallo | SR | 14 | 12091 | 157144 |
Solarino | SR | 15 | 8091 | 165235 |
Melilli | SR | 19 | 13621 | 178856 |
Augusta | SR | 19 | 36305 | 215161 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-08-15 02:29:52 |
37.0652 | 15.2853 | 26 | 2021-08-15 02:36:05 |
Sala Sismica INGV-Roma | 94174071 |
Field | Value |
---|---|
Time (UTC) | 2021-08-15 02:29:52 ± 0.18 |
Latitude | 37.0652 ± 0.0054 |
Longitude | 15.2853 ± 0.0124 |
Depth (km) | 26 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94174071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 934 |
Semi-minor axis of confidence ellipse (meter) | 622 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 252 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41729 |
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 | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 94174071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-15 02:36:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HMDC.HHZ. | 2021-08-15T02:30:08.10 | 0.6 | undecidable | manual | S | 255 | 46.0206 | 112 | 0.2 | 50 |
IV.ISPIC.EHZ. | 2021-08-15T02:30:07.86 | 0.6 | undecidable | manual | S | 227 | 46.3203 | 112 | -0.11 | 50 |
IV.HCRL.HHZ. | 2021-08-15T02:30:05.23 | 0.6 | undecidable | manual | S | 317 | 32.9448 | 122 | 0.46 | 48 |
IV.HAGA.HHZ. | 2021-08-15T02:30:03.38 | 0.6 | undecidable | manual | S | 335 | 26.9508 | 128 | -0.09 | 53 |
IV.HVZN.HHZ. | 2021-08-15T02:30:02.31 | 0.6 | undecidable | manual | P | 0.17 | 0.67 | |||
IV.HLNI.HHZ. | 2021-08-15T02:30:01.48 | 0.1 | negative | manual | P | -0.22 | 1.33 | |||
IV.HAVL.HHZ. | 2021-08-15T02:30:01.91 | 0.6 | undecidable | manual | S | 231 | 18.5703 | 140 | 0.06 | 54 |
IV.HMDC.HHZ. | 2021-08-15T02:30:01.21 | 0.3 | undecidable | manual | P | 255 | 46.0206 | 112 | -0.13 | 76 |
IV.SSY.HHZ. | 2021-08-15T02:30:01.93 | 0.6 | undecidable | manual | S | 299 | 21.3675 | 135 | -0.41 | 50 |
IV.ISPIC.EHZ. | 2021-08-15T02:30:01.40 | 0.3 | undecidable | manual | P | 227 | 46.3203 | 112 | 0.02 | 77 |
IV.HSRS.HHZ. | 2021-08-15T02:30:00.25 | 0.6 | undecidable | manual | S | 299 | 6.3936 | 164 | -0.04 | 55 |
IT.LNT.HGE. | 2021-08-15T02:30:00.02 | 0.3 | undecidable | manual | P | 315 | 35.2425 | 120 | 0.18 | 76 |
IV.HCRL.HHZ. | 2021-08-15T02:29:59.66 | 0.3 | undecidable | manual | P | 317 | 32.9448 | 122 | 0.13 | 77 |
IV.SSY.HHZ. | 2021-08-15T02:29:58.33 | 0.3 | undecidable | manual | P | 299 | 21.3675 | 135 | 0.2 | 78 |
IV.HAGA.HHZ. | 2021-08-15T02:29:58.55 | 0.3 | undecidable | manual | P | 335 | 26.9508 | 128 | -0.23 | 77 |
IV.HAVL.HHZ. | 2021-08-15T02:29:57.79 | 0.3 | undecidable | manual | P | 231 | 18.5703 | 140 | -0.05 | 80 |
IV.HSRS.HHZ. | 2021-08-15T02:29:56.89 | 0.3 | undecidable | manual | P | 299 | 6.3936 | 164 | -0.05 | 82 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HSRS.HHN. | ML:1.3 | 0.000109924805 | 0.12 | AML | other | m | 2021-08-15T02:30:00.47 |
IV.HSRS.HHE. | ML:1.2 | 0.000097318815 | 0.0592 | AML | other | m | 2021-08-15T02:30:00.65 |
IV.HAVL.HHE. | ML:1.4 | 0.00011930380000000001 | 0.0992 | AML | other | m | 2021-08-15T02:30:02.22 |
IV.HAVL.HHN. | ML:1.3 | 0.000096722595 | 0.0592 | AML | other | m | 2021-08-15T02:30:02.30 |
IV.SSY.HHE. | ML:1.6 | 0.00019539715 | 0.1792 | AML | other | m | 2021-08-15T02:30:05.92 |
IV.SSY.HHN. | ML:2.0 | 0.00053 | 0.16 | AML | other | m | 2021-08-15T02:30:04.96 |
IV.HCRL.HHE. | ML:1.7 | 0.000154 | 0.18 | AML | other | m | 2021-08-15T02:30:05.42 |
IV.HCRL.HHN. | ML:1.4 | 0.00009554999999999999 | 0.24 | AML | other | m | 2021-08-15T02:30:05.37 |
IV.ISPIC.EHN. | ML:1.2 | 0.0000405 | 0.2 | AML | other | m | 2021-08-15T02:30:08.22 |
IV.HMDC.HHN. | ML:1.3 | 0.000052000000000000004 | 0.3 | AML | other | m | 2021-08-15T02:30:08.15 |
IV.ISPIC.EHE. | ML:1.4 | 0.000054800000000000004 | 0.52 | AML | other | m | 2021-08-15T02:30:08.92 |
IV.HLNI.HHN. | ML:1.2 | 0.0000343 | 0.76 | AML | other | m | 2021-08-15T02:30:09.68 |
IV.HLNI.HHE. | ML:1.3 | 0.00004745 | 0.52 | AML | other | m | 2021-08-15T02:30:09.38 |
IV.HMDC.HHE. | ML:1.2 | 0.00003795 | 1.1 | AML | other | m | 2021-08-15T02:30:10.18 |
IV.HVZN.HHE. | ML:1.3 | 0.00004635 | 1.12 | AML | other | m | 2021-08-15T02:30:11.08 |
IV.HVZN.HHN. | ML:1.4 | 0.0000504 | 1.1 | AML | other | m | 2021-08-15T02:30:12.98 |