A magnitude ML 1.7 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 36.9530, 15.2720 at 22 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Siracusa | SR | 12 | 122291 | 122291 |
Avola | SR | 13 | 31708 | 153999 |
Floridia | SR | 18 | 22762 | 176761 |
Noto | SR | 19 | 23913 | 200674 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2022-08-23 12:50:31 |
36.9533 | 15.2722 | 22 | 2023-01-31 19:03:34 |
Bollettino Sismico Italiano INGV | 108889071 |
Reviewed Rev100 |
ML 1.7 | 2022-08-23 12:50:31 |
36.9527 | 15.2793 | 22 | 2022-08-23 13:04:08 |
Sala Sismica INGV-Roma | 108859561 |
Field | Value |
---|---|
Time (UTC) | 2022-08-23 12:50:31 ± 0.07 |
Latitude | 36.9533 ± 0.0027 |
Longitude | 15.2722 ± 0.0045 |
Depth (km) | 22 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 108889071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 80 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 299 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 230 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.10702 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50722 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 108859561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-08-23 13:04:08 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 108889071 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-01-11 14:08:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVZN.HHZ. | 2022-08-23T12:50:49.02 | 0.6 | undecidable | manual | S | 297 | 55.2003 | 105 | 0.12 | 45 |
IV.HLNI.HHZ. | 2022-08-23T12:50:48.99 | 0.6 | undecidable | manual | S | 321 | 56.2992 | 104 | -0.19 | 45 |
IT.LNT.HGZ. | 2022-08-23T12:50:46.24 | 0.3 | undecidable | manual | S | 327 | 44.2224 | 109 | 0.16 | 69 |
IV.HMDC.HNN. | 2022-08-23T12:50:45.81 | 0.6 | undecidable | manual | S | 271 | 43.3233 | 110 | -0.06 | 47 |
IV.HCRL.HHZ. | 2022-08-23T12:50:45.67 | 0.6 | undecidable | manual | S | 330 | 42.3243 | 110 | 0.07 | 47 |
IV.HAGA.HHZ. | 2022-08-23T12:50:44.48 | 0.6 | undecidable | manual | S | 344 | 38.2284 | 113 | -0.11 | 47 |
IV.ISPIC.EHE. | 2022-08-23T12:50:44.45 | 0.6 | undecidable | manual | S | 240 | 37.9287 | 113 | -0.07 | 47 |
IV.SSY.HNZ. | 2022-08-23T12:50:42.39 | 0.6 | undecidable | manual | S | 322 | 28.6491 | 121 | 0.08 | 48 |
IV.HVZN.HHZ. | 2022-08-23T12:50:41.62 | 0.1 | undecidable | manual | P | 297 | 55.2003 | 105 | 0.16 | 90 |
1J.FX02.HHZ. | 2022-08-23T12:50:41.95 | 0.6 | undecidable | manual | S | 334 | 27.6501 | 122 | -0.12 | 48 |
IV.HLNI.HHZ. | 2022-08-23T12:50:41.42 | 0.1 | negative | manual | P | 321 | 56.2992 | 104 | -0.2 | 89 |
IV.HSRS.HHZ. | 2022-08-23T12:50:39.52 | 0.1 | undecidable | manual | S | 344 | 16.0728 | 139 | -0.2 | 96 |
IT.LNT.HGZ. | 2022-08-23T12:50:39.84 | 0.3 | undecidable | manual | P | 327 | 44.2224 | 109 | 0.01 | 71 |
IV.HCRL.HHZ. | 2022-08-23T12:50:39.60 | 0.1 | negative | manual | P | 330 | 42.3243 | 110 | 0.05 | 95 |
IV.HMDC.HNN. | 2022-08-23T12:50:39.65 | 0.1 | undecidable | manual | P | 271 | 43.3233 | 110 | -0.06 | 93 |
IV.ISPIC.EHE. | 2022-08-23T12:50:39.07 | 0.1 | undecidable | manual | P | 240 | 37.9287 | 113 | 0.14 | 94 |
1J.FX01.HHZ. | 2022-08-23T12:50:39.10 | 0.1 | undecidable | manual | S | 10 | 11.877 | 148 | 0.05 | 99 |
IV.HAVL.HHZ. | 2022-08-23T12:50:39.13 | 0.6 | undecidable | manual | S | 273 | 13.3755 | 145 | -0.13 | 49 |
IV.HAGA.HHZ. | 2022-08-23T12:50:38.95 | 0.1 | undecidable | manual | P | 344 | 38.2284 | 113 | -0.03 | 95 |
IV.SSY.HNZ. | 2022-08-23T12:50:37.76 | 0.1 | negative | manual | P | 322 | 28.6491 | 121 | 0.1 | 96 |
1J.FX02.HHZ. | 2022-08-23T12:50:37.44 | 0.1 | negative | manual | P | 334 | 27.6501 | 122 | -0.08 | 96 |
IV.HSRS.HHZ. | 2022-08-23T12:50:36.14 | 0.1 | negative | manual | P | 344 | 16.0728 | 139 | -0.02 | 99 |
1J.FX01.HHZ. | 2022-08-23T12:50:35.92 | 0.1 | positive | manual | P | 10 | 11.877 | 148 | 0.14 | 98 |
IV.HAVL.HHZ. | 2022-08-23T12:50:35.89 | 0.1 | negative | manual | P | 273 | 13.3755 | 145 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HSRS.HHN. | ML:1.9 | 0.00050932195 | 0.4224 | AML | other | m | 2022-08-23T12:50:39.85 |
IV.HSRS.HHE. | ML:1.9 | 0.00044691815000000003 | 0.32 | AML | other | m | 2022-08-23T12:50:39.65 |
IV.HCRL.HHN. | ML:1.4 | 0.000076466515 | 0.2624 | AML | other | m | 2022-08-23T12:50:45.98 |
IV.HCRL.HHE. | ML:1.7 | 0.00013800000000000002 | 0.46 | AML | other | m | 2022-08-23T12:50:46.24 |
IV.HLNI.HHN. | ML:1.6 | 0.00008199999999999999 | 0.78 | AML | other | m | 2022-08-23T12:50:49.26 |
IV.HVZN.HHN. | ML:1.6 | 0.00009153826000000001 | 1.5808 | AML | other | m | 2022-08-23T12:50:50.29 |
IV.HVZN.HHE. | ML:1.7 | 0.00010967878 | 2.2976 | AML | other | m | 2022-08-23T12:50:50.89 |
IV.HVZN.HNE. | ML:1.6 | 0.000085843955 | 1.248 | AML | other | m | 2022-08-23T12:50:49.75 |
IV.HLNI.HHE. | ML:1.6 | 0.00007370479499999999 | 1.12 | AML | other | m | 2022-08-23T12:50:49.77 |