A magnitude ML 1.7 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.0990, 15.4350 at 24 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 | 13 | 122291 | 122291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.7 | 2023-07-28 01:36:56 |
37.0988 | 15.4352 | 24 | 2023-07-28 01:42:20 |
Sala Sismica INGV-Roma | 119638991 |
Field | Value |
---|---|
Time (UTC) | 2023-07-28 01:36:56 ± 0.11 |
Latitude | 37.0988 ± 0.0072 |
Longitude | 15.4352 ± 0.0079 |
Depth (km) | 24 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119638991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 746 |
Semi-minor axis of confidence ellipse (meter) | 646 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 320 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 750.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 265 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 20 |
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) | 0.57916 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 25 |
Type of magnitude | ML |
Reference to an origin | 119638991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-28 01:42:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVZN.HHZ. | 2023-07-28T01:37:16.86 | 0.6 | undecidable | manual | S | 278 | 64.2912 | 104 | 0.48 | 43 |
IV.HPAC.HHZ. | 2023-07-28T01:37:14.69 | 0.6 | undecidable | manual | S | 219 | 55.8996 | 106 | 0.48 | 43 |
IV.ISPIC.HHZ. | 2023-07-28T01:37:14.74 | 0.6 | undecidable | manual | S | 233 | 58.8966 | 105 | -0.26 | 45 |
IV.HMDC.HHZ. | 2023-07-28T01:37:14.88 | 0.6 | undecidable | manual | S | 255 | 59.7957 | 105 | -0.34 | 44 |
IV.HLNI.HHZ. | 2023-07-28T01:37:14.39 | 0.6 | undecidable | manual | S | 299 | 56.8986 | 106 | -0.1 | 47 |
IV.RAFF.HHZ. | 2023-07-28T01:37:13.04 | 3.0 | positive | manual | P | 1.38 | 0 | |||
IV.SSY.HHE. | 2023-07-28T01:37:08.45 | 0.6 | undecidable | manual | S | 282 | 32.6451 | 119 | 0 | 50 |
IV.HVZN.HHZ. | 2023-07-28T01:37:08.08 | 0.6 | positive | manual | P | 278 | 64.2912 | 104 | 0.16 | 46 |
IV.HAGA.HHE. | 2023-07-28T01:37:08.49 | 0.6 | undecidable | manual | S | 310 | 32.2455 | 119 | 0.13 | 49 |
IV.HMDC.HHZ. | 2023-07-28T01:37:07.13 | 0.3 | negative | manual | P | 255 | 59.7957 | 105 | -0.12 | 70 |
IV.HAVL.HHZ. | 2023-07-28T01:37:07.98 | 0.6 | undecidable | manual | S | 241 | 31.746 | 120 | -0.27 | 48 |
IV.HLNI.HHZ. | 2023-07-28T01:37:06.65 | 0.1 | negative | manual | P | 299 | 56.8986 | 106 | -0.18 | 92 |
IV.AGST.EHZ. | 2023-07-28T01:37:06.64 | 0.6 | undecidable | manual | S | 314 | 25.3524 | 127 | -0.19 | 49 |
IV.HPAC.HHZ. | 2023-07-28T01:37:06.80 | 0.1 | positive | manual | P | 219 | 55.8996 | 106 | 0.13 | 93 |
IV.ISPIC.HHZ. | 2023-07-28T01:37:06.97 | 0.6 | undecidable | manual | P | 233 | 58.8966 | 105 | -0.15 | 46 |
IV.HSRS.HHZ. | 2023-07-28T01:37:05.48 | 0.6 | undecidable | manual | S | 268 | 18.87 | 136 | -0.05 | 51 |
IV.HAVL.HHZ. | 2023-07-28T01:37:03.24 | 1.0 | undecidable | manual | P | 241 | 31.746 | 120 | 0.01 | 25 |
IV.HAGA.HHE. | 2023-07-28T01:37:03.32 | 0.3 | undecidable | manual | P | 310 | 32.2455 | 119 | 0.03 | 75 |
IV.SSY.HHE. | 2023-07-28T01:37:03.39 | 0.3 | undecidable | manual | P | 282 | 32.6451 | 119 | 0.05 | 74 |
IV.AGST.EHZ. | 2023-07-28T01:37:02.42 | 0.3 | negative | manual | P | 314 | 25.3524 | 127 | 0.02 | 76 |
IV.HSRS.HHZ. | 2023-07-28T01:37:01.77 | 0.1 | negative | manual | P | 268 | 18.87 | 136 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HSRS.HHE. | ML:1.7 | 0.00025098624999999995 | 0.12 | AML | other | m | 2023-07-28T01:37:05.74 |
IV.HSRS.HHN. | ML:1.4 | 0.000125645465 | 0.08 | AML | other | m | 2023-07-28T01:37:05.95 |
IV.HAVL.HHN. | ML:2.1 | 0.0004715 | 0.14 | AML | other | m | 2023-07-28T01:37:08.49 |
IV.HAVL.HHE. | ML:2.0 | 0.000346721 | 0.12 | AML | other | m | 2023-07-28T01:37:08.63 |
7C.SPAOL.HNN. | ML:3.3 | 0.003515 | 0.66 | AML | other | m | 2023-07-28T01:37:11.30 |
IV.ISPIC.HHN. | ML:0.0 | 0.00009737903 | 0.2 | AML | other | m | 2023-07-28T01:37:15.00 |
IV.HLNI.HHE. | ML:0.0 | 0.00007523013 | 0.08 | AML | other | m | 2023-07-28T01:37:15.03 |
IV.HLNI.HHN. | ML:0.0 | 0.00005315751000000001 | 0.16 | AML | other | m | 2023-07-28T01:37:16.00 |
IV.HMDC.HHN. | ML:0.0 | 0.000087126775 | 0.1 | AML | other | m | 2023-07-28T01:37:15.36 |
IV.ISPIC.HHE. | ML:0.0 | 0.000049122675 | 0.14 | AML | other | m | 2023-07-28T01:37:15.65 |
IV.HMDC.HHE. | ML:0.0 | 0.00005480906 | 0.08 | AML | other | m | 2023-07-28T01:37:15.80 |
IV.HVZN.HHE. | ML:0.0 | 0.000092922305 | 0.46 | AML | other | m | 2023-07-28T01:37:19.74 |
IV.HVZN.HHN. | ML:0.0 | 0.00007770314000000001 | 0.16 | AML | other | m | 2023-07-28T01:37:17.90 |
IV.AGST.EHE. | ML:1.5 | 0.000140173955 | 0.1 | AML | other | m | 2023-07-28T01:37:07.22 |
IV.AGST.EHN. | ML:1.5 | 0.00014918365 | 0.1 | AML | other | m | 2023-07-28T01:37:07.40 |
IV.HLNI.HNE. | ML:1.6 | 0.0000880331685 | 0.44 | AML | other | m | 2023-07-28T01:37:32.64 |
IV.HLNI.HNN. | ML:1.6 | 0.00008883387 | 0.78 | AML | other | m | 2023-07-28T01:37:32.40 |
IV.HPAC.HHE. | ML:1.6 | 0.00008112512 | 0.88 | AML | other | m | 2023-07-28T01:37:32.74 |
IV.HPAC.HHN. | ML:1.6 | 0.00008534176000000001 | 0.5 | AML | other | m | 2023-07-28T01:37:14.91 |
IV.ISPIC.HNE. | ML:1.4 | 0.0000519285665 | 0.14 | AML | other | m | 2023-07-28T01:37:15.65 |
IV.ISPIC.HNN. | ML:1.7 | 0.00009515833 | 0.2104 | AML | other | m | 2023-07-28T01:37:15.00 |
IV.HMDC.HNE. | ML:1.7 | 0.0001036503 | 0.5 | AML | other | m | 2023-07-28T01:37:28.08 |
IV.HMDC.HNN. | ML:1.8 | 0.0001220097 | 0.7 | AML | other | m | 2023-07-28T01:37:27.17 |
IV.HVZN.HNE. | ML:1.8 | 0.000115139265 | 0.64 | AML | other | m | 2023-07-28T01:37:24.75 |
IV.HVZN.HNN. | ML:2.0 | 0.0001752684 | 0.7096 | AML | other | m | 2023-07-28T01:37:30.37 |