A magnitude ML 1.8 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 36.4440, 15.4730 at 31 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2022-04-26 18:23:31 |
36.4438 | 15.4733 | 31 | 2022-07-08 12:34:04 |
Bollettino Sismico Italiano INGV | 106903771 |
Reviewed Rev100 |
ML 1.8 | 2022-04-26 18:23:31 |
36.4167 | 15.4818 | 10 | 2022-04-26 18:30:53 |
Sala Sismica INGV-Roma | 103809561 |
Field | Value |
---|---|
Time (UTC) | 2022-04-26 18:23:31 ± 0.17 |
Latitude | 36.4438 ± 0.0117 |
Longitude | 15.4733 ± 0.0134 |
Depth (km) | 31 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 106903771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1580 |
Semi-minor axis of confidence ellipse (meter) | 842 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 39 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 311 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.18171 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 106903771 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-07-07 13:02:35 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 103809561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-26 18:30:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIPA.HHZ. | 2022-04-26T18:25:06.38 | 3.0 | undecidable | manual | Sg | 4.9 | 0 | |||
IV.RNI2.HHZ. | 2022-04-26T18:24:56.85 | 3.0 | positive | manual | Pn | 5.36 | 0 | |||
IV.POFI.HHZ. | 2022-04-26T18:24:49.47 | 3.0 | undecidable | manual | Pn | -3.19 | 0 | |||
OT.CGL1.HHZ. | 2022-04-26T18:24:40.86 | 3.0 | undecidable | manual | Pn | 0.39 | 0 | |||
IV.LINA.HHZ. | 2022-04-26T18:24:34.18 | 3.0 | undecidable | manual | Sn | -1.1 | 0 | |||
IV.HLNI.HHZ. | 2022-04-26T18:24:04.35 | 0.6 | undecidable | manual | S | 332 | 113.6973 | 54 | -0.23 | 45 |
IV.HVIT.HHE. | 2022-04-26T18:24:02.37 | 0.6 | undecidable | manual | S | 306 | 104.2179 | 54 | -0.19 | 46 |
IV.HAGA.HHZ. | 2022-04-26T18:24:00.65 | 0.6 | undecidable | manual | S | 343 | 97.5246 | 103 | -0.22 | 46 |
IV.CROCE.HHZ. | 2022-04-26T18:23:59.98 | 0.6 | undecidable | manual | S | 298 | 94.0392 | 104 | 0 | 48 |
IV.HMDC.HHZ. | 2022-04-26T18:23:57.14 | 0.3 | undecidable | manual | S | 313 | 83.8494 | 106 | -0.21 | 72 |
IV.HSRS.HHE. | 2022-04-26T18:23:55.25 | 0.6 | undecidable | manual | S | 343 | 75.369 | 108 | 0.08 | 50 |
1J.FX01.HHE. | 2022-04-26T18:23:54.19 | 0.6 | undecidable | manual | S | 347 | 69.9744 | 109 | 0.38 | 47 |
IV.RAFF.HHZ. | 2022-04-26T18:23:53.83 | 0.3 | undecidable | manual | P | 312 | 131.1687 | 54 | 0.94 | 51 |
IV.HAVL.HHZ. | 2022-04-26T18:23:52.63 | 0.3 | undecidable | manual | S | 331 | 65.1903 | 110 | 0.03 | 76 |
IV.HLNI.HHZ. | 2022-04-26T18:23:50.51 | 0.1 | undecidable | manual | P | 332 | 113.6973 | 54 | -0.21 | 89 |
IV.HVZN.HHZ. | 2022-04-26T18:23:49.83 | 0.3 | undecidable | manual | P | 321 | 105.7164 | 54 | 0.11 | 70 |
IV.HVIT.HHE. | 2022-04-26T18:23:49.44 | 0.3 | undecidable | manual | P | 306 | 104.2179 | 54 | -0.11 | 70 |
IV.CROCE.HHZ. | 2022-04-26T18:23:48.04 | 0.3 | undecidable | manual | P | 298 | 94.0392 | 104 | -0.01 | 73 |
IV.HAGA.HHZ. | 2022-04-26T18:23:48.51 | 0.3 | undecidable | manual | P | 343 | 97.5246 | 103 | -0.06 | 71 |
IV.HMDC.HHZ. | 2022-04-26T18:23:46.45 | 0.3 | undecidable | manual | P | 313 | 83.8494 | 106 | -0.08 | 73 |
IV.HSRS.HHE. | 2022-04-26T18:23:45.33 | 0.1 | undecidable | manual | P | 343 | 75.369 | 108 | 0.05 | 100 |
1J.FX01.HHE. | 2022-04-26T18:23:44.48 | 0.3 | undecidable | manual | P | 347 | 69.9744 | 109 | -0.02 | 76 |
IV.HAVL.HHZ. | 2022-04-26T18:23:43.84 | 0.3 | undecidable | manual | P | 331 | 65.1903 | 110 | 0.05 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HAVL.HHE. | ML:1.8 | 0.0001105 | 1.74 | AML | other | m | 2022-04-26T18:23:53.90 |
IV.HAVL.HHN. | ML:1.8 | 0.00010105 | 0.56 | AML | other | m | 2022-04-26T18:23:53.64 |
IV.HMDC.HHN. | ML:1.7 | 0.00006185 | 0.1 | AML | other | m | 2022-04-26T18:23:57.89 |
IV.HMDC.HHE. | ML:1.7 | 0.0000552 | 0.86 | AML | other | m | 2022-04-26T18:23:58.55 |
IV.CROCE.HHE. | ML:1.6 | 0.0000401 | 0.86 | AML | other | m | 2022-04-26T18:24:00.98 |
IV.CROCE.HHN. | ML:1.6 | 0.000037500000000000003 | 1.52 | AML | other | m | 2022-04-26T18:24:00.90 |
IV.HAGA.HHE. | ML:1.8 | 0.00006425 | 1.26 | AML | other | m | 2022-04-26T18:24:01.65 |
IV.HAGA.HHN. | ML:1.8 | 0.00005505 | 0.48 | AML | other | m | 2022-04-26T18:24:02.72 |
IV.HVZN.HHE. | ML:1.8 | 0.0000558 | 0.58 | AML | other | m | 2022-04-26T18:24:04.62 |
IV.HLNI.HHN. | ML:1.8 | 0.0000574 | 0.22 | AML | other | m | 2022-04-26T18:24:04.88 |
IV.HLNI.HHE. | ML:2.0 | 0.00007935 | 0.14 | AML | other | m | 2022-04-26T18:24:05.18 |
IV.HVZN.HHN. | ML:1.8 | 0.0000592 | 0.56 | AML | other | m | 2022-04-26T18:24:08.40 |
IV.RAFF.HHN. | ML:1.8 | 0.00003875000000000001 | 0.36 | AML | other | m | 2022-04-26T18:24:11.92 |
IV.RAFF.HHE. | ML:1.9 | 0.00004445 | 0.44 | AML | other | m | 2022-04-26T18:24:11.74 |