A magnitude ML 1.8 earthquake occured in region: Costa Siracusana (Siracusa), on
and geographic coordinates (lat, lon) 37.0890, 15.5540 at 20 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 | 2020-07-27 14:37:06 |
37.0888 | 15.5543 | 20 | 2020-11-19 12:36:56 |
Bollettino Sismico Italiano INGV | 81694051 |
Reviewed Rev100 |
ML 1.8 | 2020-07-27 14:37:06 |
37.0557 | 15.5295 | 10 | 2020-07-27 15:09:43 |
Sala Sismica INGV-Roma | 81401051 |
Field | Value |
---|---|
Time (UTC) | 2020-07-27 14:37:06 ± 0.2 |
Latitude | 37.0888 ± 0.0117 |
Longitude | 15.5543 ± 0.0135 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81694051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1126 |
Semi-minor axis of confidence ellipse (meter) | 1052 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 233 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 297 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.30937 |
Epicentral distance of station farthest from the epicenter (degree) | 0.95868 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81694051 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-09-17 16:21:00 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 81401051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-27 15:09:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CROCE.HHZ. | 2020-07-27T14:37:34.40 | 0.6 | undecidable | manual | S | 253 | 94.7385 | 96 | -0.1 | 44 |
IV.HVZN.HNZ. | 2020-07-27T14:37:29.40 | 0.3 | undecidable | manual | S | 278 | 74.8695 | 98 | 0.17 | 68 |
IV.HLNI.HHZ. | 2020-07-27T14:37:27.00 | 0.3 | undecidable | manual | S | 296 | 66.7776 | 99 | -0.1 | 69 |
IV.ISPIC.EHZ. | 2020-07-27T14:37:27.12 | 0.6 | undecidable | manual | S | 240 | 67.0773 | 99 | -0.06 | 46 |
IV.MEU.EHZ. | 2020-07-27T14:37:25.90 | 0.6 | undecidable | manual | S | 272 | 64.1913 | 100 | -0.5 | 42 |
IV.RAFF.HHZ. | 2020-07-27T14:37:24.58 | 0.3 | undecidable | manual | P | 278 | 106.4157 | 95 | 0.07 | 65 |
IV.CROCE.HHZ. | 2020-07-27T14:37:23.46 | 0.3 | undecidable | manual | P | 253 | 94.7385 | 96 | 0.74 | 56 |
IV.SSY.HHZ. | 2020-07-27T14:37:21.20 | 0.3 | undecidable | manual | S | 280 | 43.2234 | 106 | 0.26 | 70 |
IV.HAGA.HHZ. | 2020-07-27T14:37:20.60 | 0.6 | undecidable | manual | S | 302 | 41.4252 | 107 | 0.11 | 49 |
IV.HVZN.HNZ. | 2020-07-27T14:37:19.87 | 0.3 | undecidable | manual | P | 278 | 74.8695 | 98 | 0.2 | 68 |
IV.HLNI.HHZ. | 2020-07-27T14:37:18.21 | 0.1 | undecidable | manual | P | 296 | 66.7776 | 99 | -0.24 | 89 |
IV.AGST.EHZ. | 2020-07-27T14:37:18.60 | 0.6 | undecidable | manual | S | 303 | 34.3434 | 111 | -0.1 | 49 |
IV.ISPIC.EHZ. | 2020-07-27T14:37:18.37 | 1.0 | undecidable | manual | P | 240 | 67.0773 | 99 | -0.12 | 23 |
IV.MEU.EHZ. | 2020-07-27T14:37:17.69 | 0.3 | undecidable | manual | P | 272 | 64.1913 | 100 | -0.35 | 66 |
IV.HAGA.HHZ. | 2020-07-27T14:37:14.63 | 0.1 | undecidable | manual | P | 302 | 41.4252 | 107 | 0 | 98 |
IV.SSY.HHZ. | 2020-07-27T14:37:14.80 | 0.1 | undecidable | manual | P | 280 | 43.2234 | 106 | -0.09 | 96 |
IV.AGST.EHZ. | 2020-07-27T14:37:13.62 | 0.1 | undecidable | manual | P | 303 | 34.3434 | 111 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MEU.EHN. | ML:1.9 | 0.0001295 | 0.58 | AML | other | m | 2020-07-27T14:37:26.81 |
IV.HLNI.HHE. | ML:1.7 | 0.00009154999999999999 | 0.26 | AML | other | m | 2020-07-27T14:37:28.02 |
IV.MEU.EHE. | ML:1.8 | 0.00010655 | 0.28 | AML | other | m | 2020-07-27T14:37:28.20 |
IV.HLNI.HHN. | ML:1.6 | 0.0000734 | 0.18 | AML | other | m | 2020-07-27T14:37:28.84 |
IV.CROCE.HHE. | ML:1.8 | 0.000069 | 1.4 | AML | other | m | 2020-07-27T14:37:34.09 |
IV.CROCE.HHN. | ML:1.8 | 0.00007655 | 0.14 | AML | other | m | 2020-07-27T14:37:34.97 |