A magnitude ML 2.1 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 36.6460, 15.3640 at 33 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 2.1 | 2018-11-18 07:39:48 |
36.6457 | 15.3635 | 33 | 2019-06-04 09:16:10 |
Bollettino Sismico Italiano INGV | 65763851 |
Reviewed Rev100 |
ML 2.0 | 2018-11-18 07:39:47 |
36.638 | 15.3622 | 34 | 2018-11-18 07:58:41 |
Sala Sismica INGV-Roma | 63174221 |
Field | Value |
---|---|
Time (UTC) | 2018-11-18 07:39:48 ± 0.29 |
Latitude | 36.6457 ± 0.0144 |
Longitude | 15.3635 ± 0.0157 |
Depth (km) | 33 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 65763851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1639 |
Semi-minor axis of confidence ellipse (meter) | 1212 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 328 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 299 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.98566 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 65763851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-02-21 13:21:14 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 63174221 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-11-18 07:58:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RAFF.HHZ. | 2018-11-18T07:40:20.24 | 1.0 | undecidable | manual | S | 306 | 109.4127 | 54 | 0.54 | 27 |
IV.HLNI.HHZ. | 2018-11-18T07:40:14.58 | 1.0 | undecidable | manual | S | 331 | 89.3439 | 106 | -0.55 | 26 |
IV.MFNL.HHZ. | 2018-11-18T07:40:13.20 | 3.0 | positive | manual | P | -0.42 | 0 | |||
IV.CROCE.HHZ. | 2018-11-18T07:40:11.28 | 0.6 | undecidable | manual | S | 286 | 76.5678 | 108 | -0.6 | 56 |
IV.HAGA.HHZ. | 2018-11-18T07:40:10.90 | 1.0 | undecidable | manual | S | 345 | 73.2711 | 109 | -0.15 | 30 |
IV.SSY.HHZ. | 2018-11-18T07:40:08.72 | 0.6 | undecidable | manual | S | 336 | 62.3931 | 113 | 0.39 | 60 |
IV.HMDC.HHZ. | 2018-11-18T07:40:08.51 | 0.6 | undecidable | manual | S | 304 | 62.1933 | 113 | 0.23 | 61 |
IV.RAFF.HHZ. | 2018-11-18T07:40:06.66 | 0.6 | undecidable | manual | P | 306 | 109.4127 | 54 | 0.34 | 56 |
IV.HLNI.HHZ. | 2018-11-18T07:40:03.35 | 1.0 | undecidable | manual | P | 331 | 89.3439 | 106 | -0.33 | 28 |
IV.CROCE.HHZ. | 2018-11-18T07:40:01.51 | 0.6 | undecidable | manual | P | 286 | 76.5678 | 108 | -0.29 | 60 |
IV.HPAC.HHE. | 2018-11-18T07:40:01.35 | 0.6 | undecidable | manual | S | 284 | 29.8479 | 134 | 0.37 | 62 |
IV.HAGA.HHZ. | 2018-11-18T07:40:01.22 | 0.6 | undecidable | manual | P | 345 | 73.2711 | 109 | -0.11 | 61 |
IV.HMDC.HHZ. | 2018-11-18T07:39:59.50 | 0.6 | undecidable | manual | P | 304 | 62.1933 | 113 | -0.23 | 62 |
IV.SSY.HHZ. | 2018-11-18T07:39:59.85 | 0.3 | undecidable | manual | P | 336 | 62.3931 | 113 | 0.1 | 96 |
IV.HPAC.HHE. | 2018-11-18T07:39:55.58 | 0.3 | undecidable | manual | P | 284 | 29.8479 | 134 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SSY.HHE. | ML:2.3 | 0.00033253140000000003 | 1.5232 | AML | other | m | 2018-11-18T07:40:09.19 |
IV.SSY.HHN. | ML:2.7 | 0.0008732777499999999 | 0.4384 | AML | other | m | 2018-11-18T07:40:09.28 |
IV.HMDC.HHN. | ML:2.0 | 0.00015388065000000002 | 0.2432 | AML | other | m | 2018-11-18T07:40:09.61 |
IV.HMDC.HHE. | ML:2.0 | 0.000152210185 | 0.16 | AML | other | m | 2018-11-18T07:40:10.70 |
IV.HAGA.HHE. | ML:2.1 | 0.00016136719999999998 | 0.1024 | AML | other | m | 2018-11-18T07:40:11.72 |
IV.HAGA.HHN. | ML:2.0 | 0.00012360187 | 0.0832 | AML | other | m | 2018-11-18T07:40:12.90 |
IV.HLNI.HHN. | ML:2.1 | 0.00012780859 | 0.1984 | AML | other | m | 2018-11-18T07:40:15.15 |
IV.HLNI.HHE. | ML:2.0 | 0.00010693823 | 0.16 | AML | other | m | 2018-11-18T07:40:15.49 |