A magnitude ML 1.4 earthquake occured in region: Costa Ragusana (Ragusa), on
and geographic coordinates (lat, lon) 36.9560, 14.3580 at 26 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Acate | RG | 15 | 10954 | 10954 |
Gela | CL | 16 | 75827 | 86781 |
Vittoria | RG | 16 | 63339 | 150120 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-12-23 00:39:37 |
36.9558 | 14.3578 | 26 | 2020-12-23 00:47:36 |
Sala Sismica INGV-Roma | 85638421 |
Field | Value |
---|---|
Time (UTC) | 2020-12-23 00:39:37 ± 0.25 |
Latitude | 36.9558 ± 0.0099 |
Longitude | 14.3578 ± 0.0158 |
Depth (km) | 26 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85638421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1272 |
Semi-minor axis of confidence ellipse (meter) | 752 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 247 |
Number of associated phases, regardless of their use for origin computation | 14 |
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) | 0.13310 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60524 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 85638421 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-23 00:47:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HPAC.HHE. | 2020-12-23T00:39:59.02 | 0.6 | undecidable | manual | S | 114 | 66.2781 | 105 | 0.51 | 56 |
IV.SSY.HHZ. | 2020-12-23T00:39:58.97 | 0.6 | undecidable | manual | S | 70 | 67.1772 | 105 | 0.22 | 59 |
IV.HLNI.HHZ. | 2020-12-23T00:39:57.47 | 0.6 | undecidable | manual | S | 46 | 62.9925 | 106 | -0.18 | 59 |
IV.HVZN.HNZ. | 2020-12-23T00:39:51.94 | 0.3 | undecidable | manual | S | 52 | 40.1265 | 116 | -0.01 | 96 |
IV.HMDC.HHZ. | 2020-12-23T00:39:51.28 | 0.3 | undecidable | manual | S | 89 | 37.7289 | 118 | -0.09 | 95 |
IV.SSY.HHZ. | 2020-12-23T00:39:49.96 | 0.3 | negative | manual | P | 70 | 67.1772 | 105 | 0.05 | 92 |
IV.RAFF.HHZ. | 2020-12-23T00:39:49.53 | 0.6 | undecidable | manual | S | 1 | 29.5482 | 125 | 0 | 65 |
IV.HPAC.HHE. | 2020-12-23T00:39:49.86 | 0.6 | undecidable | manual | P | 114 | 66.2781 | 105 | 0.09 | 61 |
IV.HLNI.HHZ. | 2020-12-23T00:39:48.80 | 0.3 | undecidable | manual | P | 46 | 62.9925 | 106 | -0.48 | 82 |
IV.ACATE.EHZ. | 2020-12-23T00:39:46.58 | 0.3 | undecidable | manual | S | 59 | 14.7741 | 147 | -0.16 | 98 |
IV.HVZN.HNZ. | 2020-12-23T00:39:45.94 | 0.6 | undecidable | manual | P | 52 | 40.1265 | 116 | -0.05 | 63 |
IV.HMDC.HHZ. | 2020-12-23T00:39:45.49 | 0.3 | negative | manual | P | 89 | 37.7289 | 118 | -0.16 | 93 |
IV.RAFF.HHZ. | 2020-12-23T00:39:45.17 | 0.3 | undecidable | manual | P | 1 | 29.5482 | 125 | 0.58 | 86 |
IV.ACATE.EHZ. | 2020-12-23T00:39:42.95 | 0.3 | positive | manual | P | 59 | 14.7741 | 147 | -0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HMDC.HHN. | ML:1.4 | 0.00007980000000000002 | 0.82 | AML | other | m | 2020-12-23T00:39:51.86 |
IV.HMDC.HHE. | ML:1.5 | 0.00008774999999999999 | 0.76 | AML | other | m | 2020-12-23T00:39:51.40 |
IV.ACATE.EHE. | ML:1.2 | 0.000078296565 | 2.5 | AML | other | m | 2020-12-23T00:39:46.67 |
IV.ACATE.EHN. | ML:1.2 | 0.00008301625000000001 | 1.88 | AML | other | m | 2020-12-23T00:39:47.78 |
IV.HLNI.HHE. | ML:1.2 | 0.000028481155 | 0.14 | AML | other | m | 2020-12-23T00:39:57.49 |
IV.SSY.HHE. | ML:1.8 | 0.00009282943 | 0.16 | AML | other | m | 2020-12-23T00:40:00.55 |
IV.SSY.HHN. | ML:2.0 | 0.00016873410500000002 | 0.18 | AML | other | m | 2020-12-23T00:40:01.32 |
IV.ACATE.HNN. | ML:1.1 | 0.00007009089000000001 | 1.12 | AML | other | m | 2020-12-23T00:39:47.39 |
IV.HMDC.HNE. | ML:1.4 | 0.00008058777999999999 | 1.07 | AML | other | m | 2020-12-23T00:39:51.55 |
IV.HMDC.HNN. | ML:1.7 | 0.000139975705 | 1.73 | AML | other | m | 2020-12-23T00:39:51.38 |