A magnitude ML 1.1 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.1470, 15.3700 at 17 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 | 12 | 122291 | 122291 |
Priolo Gargallo | SR | 16 | 12091 | 134382 |
Augusta | SR | 16 | 36305 | 170687 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-08-27 17:59:22 |
37.1473 | 15.3703 | 17 | 2023-08-27 18:08:28 |
Sala Sismica INGV-Roma | 120522261 |
Field | Value |
---|---|
Time (UTC) | 2023-08-27 17:59:22 ± 0.19 |
Latitude | 37.1473 ± 0.0036 |
Longitude | 15.3703 ± 0.0090 |
Depth (km) | 17 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 120522261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 780 |
Semi-minor axis of confidence ellipse (meter) | 426 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 99 |
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) | 278 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.13040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50452 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 120522261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-08-27 18:08:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HLNI.HHZ. | 2023-08-27T17:59:38.42 | 0.1 | undecidable | manual | S | 297 | 49.3173 | 99 | 0.08 | 92 |
IV.HAVL.HHZ. | 2023-08-27T17:59:33.30 | 0.3 | undecidable | manual | S | 227 | 30.2475 | 107 | -0.07 | 72 |
IV.HMDC.HHZ. | 2023-08-27T17:59:32.22 | 1.0 | negative | manual | P | 248 | 55.9995 | 98 | -0.48 | 21 |
IV.HLNI.HHZ. | 2023-08-27T17:59:31.71 | 0.1 | undecidable | manual | P | 297 | 49.3173 | 99 | 0.03 | 94 |
IV.HAGA.HHE. | 2023-08-27T17:59:31.90 | 0.1 | undecidable | manual | S | 309 | 24.3534 | 113 | 0 | 98 |
IV.HAVL.HHZ. | 2023-08-27T17:59:29.00 | 0.3 | positive | manual | P | 227 | 30.2475 | 107 | 0.19 | 71 |
IV.HSRS.HHZ. | 2023-08-27T17:59:29.61 | 0.1 | undecidable | manual | S | 245 | 14.4744 | 131 | -0.02 | 100 |
IV.HAGA.HHE. | 2023-08-27T17:59:27.89 | 0.1 | undecidable | manual | P | 309 | 24.3534 | 113 | -0.07 | 98 |
IV.HSRS.HHZ. | 2023-08-27T17:59:26.73 | 0.3 | undecidable | manual | P | 245 | 14.4744 | 131 | 0.07 | 74 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HLNI.HHN. | ML:1.1 | 0.000028528463000000002 | 0.2944 | AML | other | m | 2023-08-27T17:59:38.55 |
IV.HLNI.HHE. | ML:1.1 | 0.000033246305 | 0.1024 | AML | other | m | 2023-08-27T17:59:39.21 |
IV.HSRS.HHE. | ML:0.9 | 0.000061158595 | 0.0768 | AML | other | m | 2023-08-27T17:59:30.36 |
IV.HSRS.HHN. | ML:0.9 | 0.0000613869 | 0.0512 | AML | other | m | 2023-08-27T17:59:29.88 |
IV.HAVL.HHE. | ML:1.1 | 0.00005384746 | 0.192 | AML | other | m | 2023-08-27T17:59:34.72 |
IV.HAVL.HHN. | ML:1.1 | 0.000056592545 | 0.384 | AML | other | m | 2023-08-27T17:59:39.91 |
IV.HLNI.HNE. | ML:1.4 | 0.000071845805 | 0.4992 | AML | other | m | 2023-08-27T17:59:49.61 |
IV.HLNI.HNN. | ML:1.5 | 0.00007287393 | 0.384 | AML | other | m | 2023-08-27T17:59:42.04 |