A magnitude ML 0.9 earthquake occured in region: 3 km SE Vita (TP), on
and geographic coordinates (lat, lon) 37.8430, 12.8350 at 18 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 |
---|---|---|---|---|
Vita | TP | 4 | 2056 | 2056 |
Salemi | TP | 4 | 10794 | 12850 |
Gibellina | TP | 5 | 4115 | 16965 |
Calatafimi-Segesta | TP | 8 | 6712 | 23677 |
Santa Ninfa | TP | 9 | 5043 | 28720 |
Partanna | TP | 14 | 10607 | 39327 |
Salaparuta | TP | 18 | 1696 | 41023 |
Castelvetrano | TP | 18 | 31806 | 72829 |
Alcamo | TP | 19 | 45307 | 118136 |
Poggioreale | TP | 20 | 1494 | 119630 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2020-09-23 21:04:08 |
37.8427 | 12.8352 | 18 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86701491 |
Reviewed Rev100 |
ML 0.7 | 2020-09-23 21:04:08 |
37.84 | 12.8342 | 11 | 2020-09-23 21:42:53 |
Sala Sismica INGV-Roma | 83170121 |
Field | Value |
---|---|
Time (UTC) | 2020-09-23 21:04:08 ± 0.34 |
Latitude | 37.8427 ± 0.0108 |
Longitude | 12.8352 ± 0.0102 |
Depth (km) | 18 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86701491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1116 |
Semi-minor axis of confidence ellipse (meter) | 769 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 142 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23113 |
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 | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 83170121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-23 21:42:53 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86701491 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-30 01:22:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MARS.EHE. | 2020-09-23T21:04:18.43 | 0.3 | undecidable | manual | S | 247 | 25.6521 | 114 | 0.38 | 70 |
IV.MMGO.HHE. | 2020-09-23T21:04:17.01 | 0.6 | undecidable | manual | S | 148 | 23.5542 | 117 | -0.54 | 45 |
IV.CAVT.HHZ. | 2020-09-23T21:04:16.27 | 0.3 | undecidable | manual | S | 201 | 19.4694 | 123 | -0.32 | 71 |
IV.CRJA.HHZ. | 2020-09-23T21:04:16.33 | 0.6 | undecidable | manual | S | 107 | 15.4734 | 131 | 0.57 | 44 |
IV.MBFT.HHZ. | 2020-09-23T21:04:15.37 | 0.6 | undecidable | manual | S | 42 | 15.4734 | 131 | -0.38 | 46 |
IV.MARS.EHE. | 2020-09-23T21:04:14.06 | 0.1 | undecidable | manual | P | 247 | 25.6521 | 114 | 0.12 | 98 |
IV.MFNL.HHZ. | 2020-09-23T21:04:14.68 | 0.3 | undecidable | manual | S | 127 | 9.5793 | 147 | -0.03 | 77 |
IV.CAVT.HHZ. | 2020-09-23T21:04:13.15 | 0.1 | undecidable | manual | P | 201 | 19.4694 | 123 | 0.05 | 100 |
IV.CRJA.HHZ. | 2020-09-23T21:04:13.06 | 0.3 | undecidable | manual | P | 107 | 15.4734 | 131 | 0.45 | 70 |
IV.MMGO.HHE. | 2020-09-23T21:04:13.42 | 0.6 | undecidable | manual | P | 148 | 23.5542 | 117 | -0.22 | 48 |
IV.MFNL.HHZ. | 2020-09-23T21:04:12.16 | 0.1 | undecidable | manual | P | 127 | 9.5793 | 147 | 0.15 | 100 |
IV.MBFT.HHZ. | 2020-09-23T21:04:12.72 | 0.3 | undecidable | manual | P | 42 | 15.4734 | 131 | 0.11 | 76 |
IV.MTGR.HHZ. | 2020-09-23T21:04:11.50 | 0.1 | undecidable | manual | P | -0.01 | 2.22 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MBFT.HNE. | ML:1.1 | 0.00008708255500000001 | 0.5248 | AML | other | m | 2020-09-23T21:04:13.08 |
IV.MFNL.HHN. | ML:0.8 | 0.00005715825 | 0.0896 | AML | other | m | 2020-09-23T21:04:14.77 |
IV.MFNL.HHE. | ML:1.0 | 0.000082246425 | 0.1024 | AML | other | m | 2020-09-23T21:04:14.82 |
IV.CAVT.HHE. | ML:1.4 | 0.00015574835 | 1.7792 | AML | other | m | 2020-09-23T21:04:14.05 |
IV.MBFT.HHE. | ML:0.2 | 0.000009110043 | 0.3584 | AML | other | m | 2020-09-23T21:04:15.49 |
IV.MBFT.HNN. | ML:1.2 | 0.00009885631 | 0.6912 | AML | other | m | 2020-09-23T21:04:17.56 |
IV.CRJA.HHN. | ML:0.5 | 0.000021534705000000003 | 0.3584 | AML | other | m | 2020-09-23T21:04:17.34 |
IV.MBFT.HHN. | ML:-0.1 | 0.0000074592335 | 0.6016 | AML | other | m | 2020-09-23T21:04:22.32 |
IV.CRJA.HHE. | ML:0.6 | 0.0000307740835 | 0.6656 | AML | other | m | 2020-09-23T21:04:22.68 |
IV.CAVT.HHN. | ML:1.2 | 0.00010102097500000001 | 0.6816 | AML | other | m | 2020-09-23T21:04:23.87 |