A magnitude ML 1.6 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.0810, 15.5060 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 | 19 | 122291 | 122291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2023-04-03 08:12:00 |
37.0807 | 15.5063 | 22 | 2024-03-01 17:18:08 |
Bollettino Sismico Italiano INGV | 117400561 |
Reviewed Rev100 |
ML 1.6 | 2023-04-03 08:12:00 |
37.0963 | 15.4832 | 24 | 2023-04-03 08:31:47 |
Sala Sismica INGV-Roma | 116003281 |
Field | Value |
---|---|
Time (UTC) | 2023-04-03 08:12:00 ± 0.15 |
Latitude | 37.0807 ± 0.0063 |
Longitude | 15.5063 ± 0.0101 |
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 | 117400561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 723 |
Semi-minor axis of confidence ellipse (meter) | 647 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 301 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 15 |
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) | 0.92180 |
Number of stations at which the event was observed | 25 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 117400561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-01-08 16:35:13 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 116003281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-03 08:31:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IMOL.HNZ. | 2023-04-03T08:13:51.11 | 3.0 | positive | manual | Pn | 1.59 | 0 | |||
IV.ARVD.HHZ. | 2023-04-03T08:13:50.72 | 3.0 | undecidable | manual | Pg | 16.610001 | 0 | |||
IV.OSSC.HHZ. | 2023-04-03T08:13:44.50 | 3.0 | undecidable | manual | Pn | 3 | 0 | |||
IV.MRB1.HHZ. | 2023-04-03T08:13:39.58 | 3.0 | undecidable | manual | Sn | -4.6 | 0 | |||
IV.NRCA.HHZ. | 2023-04-03T08:13:26.23 | 3.0 | positive | manual | Pn | 1.28 | 0 | |||
IV.TRTR.HHZ. | 2023-04-03T08:13:18.53 | 3.0 | undecidable | manual | Pn | -3.67 | 0 | |||
IV.SNAL.HHZ. | 2023-04-03T08:13:07.40 | 3.0 | undecidable | manual | Pg | 13.04 | 0 | |||
IV.VAGA.HNZ. | 2023-04-03T08:13:05.63 | 3.0 | undecidable | manual | Pn | 2.73 | 0 | |||
IV.CAFE.HHZ. | 2023-04-03T08:13:05.30 | 3.0 | undecidable | manual | Pg | 9.57 | 0 | |||
IV.MCRV.HHZ. | 2023-04-03T08:13:01.96 | 3.0 | undecidable | manual | Pg | 9.5 | 0 | |||
IV.MOCO.HHZ. | 2023-04-03T08:13:00.07 | 3.0 | undecidable | manual | Pn | -0.41 | 0 | |||
IV.CMPR.HHZ. | 2023-04-03T08:12:44.78 | 3.0 | undecidable | manual | Pn | -1.2 | 0 | |||
IV.SALB.HHZ. | 2023-04-03T08:12:40.10 | 3.0 | undecidable | manual | Pn | -0.12 | 0 | |||
IV.CET2.HHZ. | 2023-04-03T08:12:37.22 | 3.0 | undecidable | manual | Pn | 2.24 | 0 | |||
IV.SELL.HHZ. | 2023-04-03T08:12:36.38 | 3.0 | undecidable | manual | Pg | 7.27 | 0 | |||
IV.HMDC.HHZ. | 2023-04-03T08:12:20.90 | 0.3 | undecidable | manual | S | 258 | 65.49 | 101 | -0.11 | 68 |
IV.IVPL.HHZ. | 2023-04-03T08:12:20.74 | 3.0 | undecidable | manual | Pn | -0.21 | 0 | |||
IV.SICLA.EHZ. | 2023-04-03T08:12:20.20 | 3.0 | undecidable | manual | P | 2.73 | 0 | |||
IV.RAFF.HHZ. | 2023-04-03T08:12:18.48 | 0.3 | undecidable | manual | P | 279 | 102.3198 | 97 | 0.39 | 61 |
IV.HCRL.HHN. | 2023-04-03T08:12:16.70 | 0.6 | undecidable | manual | S | 298 | 47.5191 | 107 | 0.34 | 45 |
IV.SSY.HHZ. | 2023-04-03T08:12:14.36 | 0.6 | undecidable | manual | S | 283 | 39.2274 | 111 | 0.1 | 48 |
IV.HAGA.HHZ. | 2023-04-03T08:12:13.97 | 0.6 | undecidable | manual | S | 306 | 38.4282 | 111 | -0.1 | 48 |
IV.HAVL.HHZ. | 2023-04-03T08:12:13.73 | 0.3 | undecidable | manual | S | 249 | 36.6411 | 113 | 0.12 | 73 |
IV.AGST.EHZ. | 2023-04-03T08:12:12.14 | 0.6 | undecidable | manual | S | 308 | 31.4463 | 117 | -0.22 | 47 |
IV.HMDC.HHZ. | 2023-04-03T08:12:12.18 | 0.1 | undecidable | manual | P | 258 | 65.49 | 101 | -0.29 | 87 |
IV.HSRS.HHZ. | 2023-04-03T08:12:10.85 | 0.1 | undecidable | manual | S | 273 | 25.1526 | 124 | -0.07 | 99 |
IV.HCRL.HHN. | 2023-04-03T08:12:09.89 | 0.1 | undecidable | manual | P | 298 | 47.5191 | 107 | 0.11 | 95 |
IV.SSY.HHZ. | 2023-04-03T08:12:08.57 | 0.1 | undecidable | manual | P | 283 | 39.2274 | 111 | 0 | 97 |
IV.HAGA.HHZ. | 2023-04-03T08:12:08.40 | 0.1 | undecidable | manual | P | 306 | 38.4282 | 111 | -0.06 | 96 |
IV.HAVL.HHZ. | 2023-04-03T08:12:08.25 | 0.1 | positive | manual | P | 249 | 36.6411 | 113 | 0.05 | 98 |
IV.AGST.EHZ. | 2023-04-03T08:12:07.36 | 0.1 | undecidable | manual | P | 308 | 31.4463 | 117 | -0.12 | 96 |
IV.HSRS.HHZ. | 2023-04-03T08:12:06.65 | 0.1 | undecidable | manual | P | 273 | 25.1526 | 124 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HSRS.HHE. | ML:1.5 | 0.00015019917499999998 | 0.3968 | AML | other | m | 2023-04-03T08:12:10.94 |
IV.HSRS.HHN. | ML:1.4 | 0.0001032883 | 0.16 | AML | other | m | 2023-04-03T08:12:11.39 |
IV.HSRS.HNE. | ML:1.5 | 0.0001372506 | 1.1648 | AML | other | m | 2023-04-03T08:12:12.53 |
IV.AGST.EHE. | ML:1.7 | 0.0002059563 | 0.1024 | AML | other | m | 2023-04-03T08:12:12.92 |
IV.HAVL.HHN. | ML:1.9 | 0.000259513 | 0.0768 | AML | other | m | 2023-04-03T08:12:13.96 |
IV.HAVL.HHE. | ML:1.8 | 0.0002192208 | 0.4032 | AML | other | m | 2023-04-03T08:12:13.90 |
IV.SSY.HHN. | ML:2.1 | 0.00043057615 | 0.4224 | AML | other | m | 2023-04-03T08:12:14.97 |
IV.SSY.HHE. | ML:1.7 | 0.00014293048 | 0.1984 | AML | other | m | 2023-04-03T08:12:15.01 |
IV.SSY.HNN. | ML:1.4 | 0.000075682945 | 0.16 | AML | other | m | 2023-04-03T08:12:15.23 |
IV.HSRS.HNN. | ML:1.6 | 0.0001911953 | 1.2416 | AML | other | m | 2023-04-03T08:12:14.57 |
IV.SSY.HNE. | ML:1.4 | 0.0000753 | 0.94 | AML | other | m | 2023-04-03T08:12:15.70 |
IV.HMDC.HNN. | ML:2.1 | 0.000235777265 | 1.1904 | AML | other | m | 2023-04-03T08:12:20.80 |
IV.HMDC.HHN. | ML:1.9 | 0.00013742835 | 1.984 | AML | other | m | 2023-04-03T08:12:24.80 |
IV.HMDC.HHE. | ML:1.2 | 0.000027748285 | 1.9392 | AML | other | m | 2023-04-03T08:12:34.33 |
IV.RAFF.HHN. | ML:1.7 | 0.000044328519999999996 | 2.8224 | AML | other | m | 2023-04-03T08:12:34.07 |
IV.RAFF.HHE. | ML:1.6 | 0.000035769515000000005 | 3.4944 | AML | other | m | 2023-04-03T08:12:46.81 |