A magnitude ML 2.3 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.0580, 15.2870 at 26 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 | 1 | 122291 | 122291 |
Floridia | SR | 12 | 22762 | 145053 |
Priolo Gargallo | SR | 14 | 12091 | 157144 |
Solarino | SR | 16 | 8091 | 165235 |
Melilli | SR | 20 | 13621 | 178856 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.3 | 2021-08-14 11:37:47 |
37.0583 | 15.2868 | 26 | 2021-12-29 11:12:31 |
Bollettino Sismico Italiano INGV | 95535181 |
Reviewed Rev100 |
ML 2.4 | 2021-08-14 11:37:46 |
37.0603 | 15.3103 | 29 | 2021-08-14 11:42:39 |
Sala Sismica INGV-Roma | 94134251 |
Field | Value |
---|---|
Time (UTC) | 2021-08-14 11:37:47 ± 0.15 |
Latitude | 37.0583 ± 0.0045 |
Longitude | 15.2868 ± 0.0079 |
Depth (km) | 26 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95535181 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 633 |
Semi-minor axis of confidence ellipse (meter) | 335 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 270 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 213 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.06205 |
Epicentral distance of station farthest from the epicenter (degree) | 0.91371 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.2 |
Num. used stations | 28 |
Type of magnitude | ML |
Reference to an origin | 95535181 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-17 07:13:12 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.1 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 94134251 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-14 11:42:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.HNE. | 2021-08-14T11:38:09.32 | 0.6 | undecidable | manual | S | 267 | 69.6747 | 104 | 0.29 | 43 |
IV.HVIT.HHZ. | 2021-08-14T11:38:08.64 | 0.6 | undecidable | manual | S | 264 | 68.1762 | 105 | 0.01 | 45 |
IV.AIO.HHE. | 2021-08-14T11:38:04.51 | 0.6 | undecidable | manual | P | 357 | 101.4207 | 99 | -0.19 | 40 |
IV.HVZN.HHZ. | 2021-08-14T11:38:04.87 | 0.6 | undecidable | manual | S | 285 | 52.3032 | 110 | 0.29 | 44 |
IV.HLNI.HHZ. | 2021-08-14T11:38:03.21 | 0.6 | undecidable | manual | S | 311 | 48.8178 | 111 | -0.5 | 41 |
IV.HMDC.HHZ. | 2021-08-14T11:38:02.77 | 0.6 | undecidable | manual | S | 256 | 45.9207 | 113 | -0.24 | 45 |
IV.HPAC.HHZ. | 2021-08-14T11:38:02.53 | 0.6 | undecidable | manual | S | 210 | 44.7219 | 114 | -0.16 | 46 |
IV.ISPIC.EHZ. | 2021-08-14T11:38:02.94 | 0.6 | undecidable | manual | S | 228 | 45.9207 | 113 | -0.05 | 47 |
IT.LNT.HGZ. | 2021-08-14T11:38:01.16 | 0.6 | undecidable | manual | S | 315 | 35.8419 | 120 | 0.58 | 43 |
IV.ACATE.HNE. | 2021-08-14T11:38:00.34 | 0.6 | undecidable | manual | P | 267 | 69.6747 | 104 | 0.42 | 41 |
IV.HCRL.HHZ. | 2021-08-14T11:38:00.28 | 0.6 | undecidable | manual | S | 318 | 33.5442 | 122 | 0.22 | 46 |
IV.EPOZ.HHZ. | 2021-08-14T11:38:00.50 | 0.6 | undecidable | manual | P | 353 | 68.5758 | 105 | 0.75 | 37 |
IV.HVIT.HHZ. | 2021-08-14T11:37:59.53 | 0.6 | undecidable | manual | P | 264 | 68.1762 | 105 | -0.16 | 44 |
IV.HAGA.HHZ. | 2021-08-14T11:37:58.52 | 0.6 | undecidable | manual | S | 335 | 27.75 | 127 | -0.25 | 46 |
IV.HAVL.HHZ. | 2021-08-14T11:37:57.05 | 0.6 | undecidable | manual | S | 233 | 18.2706 | 141 | 0.11 | 48 |
IV.HVZN.HHZ. | 2021-08-14T11:37:57.41 | 0.1 | undecidable | manual | P | 285 | 52.3032 | 110 | 0.06 | 92 |
IV.ISPIC.EHZ. | 2021-08-14T11:37:56.36 | 0.6 | undecidable | manual | P | 228 | 45.9207 | 113 | -0.07 | 47 |
IV.HMDC.HHZ. | 2021-08-14T11:37:56.38 | 0.3 | undecidable | manual | P | 256 | 45.9207 | 113 | -0.06 | 70 |
IV.HLNI.HHZ. | 2021-08-14T11:37:56.63 | 0.1 | negative | manual | P | 311 | 48.8178 | 111 | -0.22 | 89 |
IV.HPAC.HHZ. | 2021-08-14T11:37:56.28 | 0.3 | undecidable | manual | P | 210 | 44.7219 | 114 | 0.02 | 69 |
IV.HSRS.HHZ. | 2021-08-14T11:37:55.33 | 0.6 | undecidable | manual | S | 304 | 6.8931 | 163 | -0.17 | 49 |
IT.LNT.HGZ. | 2021-08-14T11:37:54.95 | 0.6 | undecidable | manual | P | 315 | 35.8419 | 120 | -0.09 | 47 |
IV.HCRL.HHZ. | 2021-08-14T11:37:54.73 | 0.6 | undecidable | manual | P | 318 | 33.5442 | 122 | -0.01 | 48 |
IV.HAGA.HHZ. | 2021-08-14T11:37:53.89 | 0.1 | negative | manual | P | 335 | 27.75 | 127 | -0.1 | 95 |
IV.HAVL.HHZ. | 2021-08-14T11:37:52.95 | 0.1 | negative | manual | P | 233 | 18.2706 | 141 | 0.01 | 97 |
IV.HSRS.HHZ. | 2021-08-14T11:37:52.05 | 0.1 | negative | manual | P | 304 | 6.8931 | 163 | -0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HSRS.HHN. | ML:2.3 | 0.00116101725 | 0.1152 | AML | other | m | 2021-08-14T11:37:55.63 |
IV.HSRS.HHE. | ML:2.1 | 0.0007637079 | 0.1792 | AML | other | m | 2021-08-14T11:37:55.70 |
IV.HAVL.HHE. | ML:2.4 | 0.0013826819999999999 | 0.1984 | AML | other | m | 2021-08-14T11:37:57.23 |
IV.HAVL.HHN. | ML:2.5 | 0.00144280575 | 0.0832 | AML | other | m | 2021-08-14T11:37:57.46 |
IV.HAGA.HHN. | ML:2.3 | 0.0007922042 | 0.0832 | AML | other | m | 2021-08-14T11:37:58.00 |
IV.HAGA.HHE. | ML:2.4 | 0.0009129544499999999 | 0.0768 | AML | other | m | 2021-08-14T11:37:59.06 |
IV.SSY.HHN. | ML:2.8 | 0.00276 | 0.18 | AML | other | m | 2021-08-14T11:38:00.14 |
IV.SSY.HHE. | ML:2.4 | 0.00101926695 | 0.16 | AML | other | m | 2021-08-14T11:38:01.08 |
IV.ISPIC.HNE. | ML:2.2 | 0.000358584655 | 0.2368 | AML | other | m | 2021-08-14T11:38:03.49 |
IV.ISPIC.HNN. | ML:2.3 | 0.00047757135000000005 | 0.224 | AML | other | m | 2021-08-14T11:38:03.38 |
IV.HMDC.HHN. | ML:2.3 | 0.0005837363 | 0.16 | AML | other | m | 2021-08-14T11:38:03.46 |
IV.HMDC.HNN. | ML:2.3 | 0.00045365334999999994 | 0.16 | AML | other | m | 2021-08-14T11:38:03.46 |
IV.HPAC.HHN. | ML:2.5 | 0.00078 | 0.14 | AML | other | m | 2021-08-14T11:38:03.50 |
IV.ISPIC.EHN. | ML:2.3 | 0.0004704304500000001 | 0.32 | AML | other | m | 2021-08-14T11:38:03.43 |
IV.HLNI.HHN. | ML:2.3 | 0.00047036805000000005 | 0.1024 | AML | other | m | 2021-08-14T11:38:04.30 |
IV.HPAC.HHE. | ML:2.1 | 0.00031916685 | 0.1408 | AML | other | m | 2021-08-14T11:38:04.64 |
IV.HLNI.HHE. | ML:2.2 | 0.00040555459999999996 | 0.1216 | AML | other | m | 2021-08-14T11:38:04.00 |
IV.ISPIC.EHE. | ML:2.1 | 0.0003178815 | 0.096 | AML | other | m | 2021-08-14T11:38:03.50 |
IV.HMDC.HHE. | ML:2.3 | 0.00048699999999999997 | 0.28 | AML | other | m | 2021-08-14T11:38:05.34 |
IV.HMDC.HNE. | ML:2.2 | 0.00040899999999999997 | 0.28 | AML | other | m | 2021-08-14T11:38:05.34 |
IV.HVZN.HNN. | ML:2.5 | 0.00071544175 | 0.2752 | AML | other | m | 2021-08-14T11:38:08.15 |
IV.HVZN.HHN. | ML:2.6 | 0.0008217147 | 0.3456 | AML | other | m | 2021-08-14T11:38:07.59 |
IV.HVZN.HHE. | ML:2.4 | 0.0005458183999999999 | 0.2624 | AML | other | m | 2021-08-14T11:38:08.30 |
IV.HVZN.HNE. | ML:2.4 | 0.00048370705 | 0.2624 | AML | other | m | 2021-08-14T11:38:08.31 |
IV.HVIT.HHE. | ML:2.6 | 0.0006015 | 0.16 | AML | other | m | 2021-08-14T11:38:09.30 |
IV.HVIT.HHN. | ML:2.4 | 0.00037981275 | 0.1792 | AML | other | m | 2021-08-14T11:38:09.09 |
IV.RAFF.HHN. | ML:2.1 | 0.00014888802000000002 | 0.16 | AML | other | m | 2021-08-14T11:38:15.97 |
IV.RAFF.HHE. | ML:2.3 | 0.0002475 | 0.4 | AML | other | m | 2021-08-14T11:38:15.64 |