A magnitude ML 1.9 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 36.6810, 15.2020 at 28 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 |
---|---|---|---|---|
Portopalo di Capo Passero | SR | 6 | 3887 | 3887 |
Pachino | SR | 11 | 22205 | 26092 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.9 | 2023-07-04 06:40:43 |
36.6808 | 15.2023 | 28 | 2023-07-04 06:53:26 |
Sala Sismica INGV-Roma | 118955031 |
Field | Value |
---|---|
Time (UTC) | 2023-07-04 06:40:43 ± 0.18 |
Latitude | 36.6808 ± 0.0072 |
Longitude | 15.2023 ± 0.0101 |
Depth (km) | 28 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 118955031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 847 |
Semi-minor axis of confidence ellipse (meter) | 539 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 253 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 850.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 294 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.13490 |
Epicentral distance of station farthest from the epicenter (degree) | 0.71766 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 118955031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-04 06:53:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSY.HHZ. | 2023-07-04T06:41:00.87 | 0.6 | undecidable | manual | S | 348 | 54.1014 | 111 | 0 | 50 |
IV.HMDC.HHZ. | 2023-07-04T06:40:59.66 | 0.3 | undecidable | manual | S | 310 | 48.3183 | 114 | 0.21 | 73 |
IV.HLNI.HHZ. | 2023-07-04T06:40:56.90 | 0.3 | undecidable | manual | P | 339 | 79.6647 | 104 | -0.23 | 68 |
IV.HVZN.HHZ. | 2023-07-04T06:40:55.35 | 0.6 | undecidable | manual | P | 322 | 70.0743 | 106 | -0.35 | 45 |
IV.HAVL.HHZ. | 2023-07-04T06:40:55.53 | 0.3 | undecidable | manual | S | 347 | 31.746 | 126 | -0.06 | 77 |
IV.ISPIC.HNZ. | 2023-07-04T06:40:54.88 | 0.3 | undecidable | manual | S | 293 | 28.749 | 129 | -0.08 | 76 |
IV.SSY.HHZ. | 2023-07-04T06:40:53.50 | 0.3 | negative | manual | P | 348 | 54.1014 | 111 | 0.13 | 72 |
IV.HMDC.HHZ. | 2023-07-04T06:40:52.58 | 0.1 | undecidable | manual | P | 310 | 48.3183 | 114 | 0.03 | 100 |
IV.HPAC.HHZ. | 2023-07-04T06:40:52.45 | 0.6 | undecidable | manual | S | 282 | 14.9739 | 149 | -0.06 | 52 |
IV.HAVL.HHZ. | 2023-07-04T06:40:50.53 | 0.6 | undecidable | manual | P | 347 | 31.746 | 126 | 0.21 | 50 |
IV.ISPIC.HNZ. | 2023-07-04T06:40:49.87 | 0.6 | undecidable | manual | P | 293 | 28.749 | 129 | -0.09 | 51 |
IV.HPAC.HHZ. | 2023-07-04T06:40:48.72 | 0.3 | undecidable | manual | P | 282 | 14.9739 | 149 | 0.18 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HMDC.HHE. | ML:1.8 | 0.000143 | 1.3 | AML | other | m | 2023-07-04T06:41:01.21 |
IV.HMDC.HHN. | ML:1.8 | 0.00014399999999999998 | 0.22 | AML | other | m | 2023-07-04T06:41:01.48 |
IV.SSY.HNE. | ML:2.2 | 0.000288 | 0.86 | AML | other | m | 2023-07-04T06:41:04.15 |
IV.SSY.HHE. | ML:1.8 | 0.00011690000000000001 | 0.5 | AML | other | m | 2023-07-04T06:41:04.71 |
IV.SSY.HHN. | ML:2.2 | 0.00033499999999999996 | 0.32 | AML | other | m | 2023-07-04T06:41:05.44 |
IV.SSY.HNN. | ML:2.1 | 0.0002505 | 0.44 | AML | other | m | 2023-07-04T06:41:05.66 |
IV.HLNI.HHN. | ML:1.8 | 0.00007819999999999999 | 1.14 | AML | other | m | 2023-07-04T06:41:07.18 |
IV.HLNI.HHE. | ML:1.8 | 0.0000756 | 0.46 | AML | other | m | 2023-07-04T06:41:08.42 |
IV.HVZN.HHE. | ML:1.7 | 0.00007991877999999999 | 0.3392 | AML | other | m | 2023-07-04T06:41:07.28 |
IV.HVZN.HHN. | ML:1.8 | 0.00008919592499999999 | 0.4992 | AML | other | m | 2023-07-04T06:41:07.24 |