A magnitude ML 1.8 earthquake occured in region: 3 km E Salemi (TP), on
and geographic coordinates (lat, lon) 37.8170, 12.8340 at 19 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 |
---|---|---|---|---|
Salemi | TP | 3 | 10794 | 10794 |
Gibellina | TP | 3 | 4115 | 14909 |
Vita | TP | 6 | 2056 | 16965 |
Santa Ninfa | TP | 6 | 5043 | 22008 |
Calatafimi-Segesta | TP | 11 | 6712 | 28720 |
Partanna | TP | 12 | 10607 | 39327 |
Castelvetrano | TP | 16 | 31806 | 71133 |
Salaparuta | TP | 17 | 1696 | 72829 |
Poggioreale | TP | 19 | 1494 | 74323 |
Montevago | AG | 19 | 3006 | 77329 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-09-14 23:58:04 |
37.8168 | 12.8338 | 19 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86862501 |
Reviewed Rev100 |
ML 1.9 | 2020-09-14 23:58:04 |
37.8402 | 12.8117 | 18 | 2020-09-15 00:02:04 |
Sala Sismica INGV-Roma | 82912651 |
Field | Value |
---|---|
Time (UTC) | 2020-09-14 23:58:04 ± 0.21 |
Latitude | 37.8168 ± 0.0090 |
Longitude | 12.8338 ± 0.0102 |
Depth (km) | 19 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86862501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 931 |
Semi-minor axis of confidence ellipse (meter) | 653 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 352 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42268 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86862501 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-15 10:00:04 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 82912651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-15 00:02:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LEVAN.EHN. | 2020-09-14T23:58:19.80 | 0.6 | undecidable | manual | S | 295 | 46.9197 | 103 | 0.24 | 46 |
IV.LEVAN.EHN. | 2020-09-14T23:58:13.85 | 0.6 | undecidable | manual | P | 295 | 46.9197 | 103 | 0.72 | 40 |
IV.MARS.EHZ. | 2020-09-14T23:58:13.99 | 0.6 | undecidable | manual | S | 253 | 24.6531 | 119 | 0.04 | 49 |
IV.CAVT.HHZ. | 2020-09-14T23:58:12.14 | 0.6 | undecidable | manual | S | 204 | 16.7721 | 131 | -0.09 | 49 |
IV.CRJA.HHZ. | 2020-09-14T23:58:12.67 | 0.3 | undecidable | manual | S | 96 | 15.0738 | 135 | 0.78 | 61 |
IV.MMGO.HHN. | 2020-09-14T23:58:12.84 | 0.1 | undecidable | manual | S | 144 | 21.2676 | 123 | -0.34 | 93 |
IV.SCIAC.HHZ. | 2020-09-14T23:58:12.25 | 0.3 | undecidable | manual | P | 145 | 40.8258 | 105 | 0.03 | 71 |
IV.MBFT.HHZ. | 2020-09-14T23:58:11.79 | 0.6 | undecidable | manual | S | 36 | 17.7711 | 129 | -0.64 | 42 |
IV.ERC.EHN. | 2020-09-14T23:58:10.32 | 0.6 | undecidable | manual | P | 319 | 32.6451 | 110 | -0.7 | 40 |
IV.MFNL.HHZ. | 2020-09-14T23:58:10.79 | 0.1 | undecidable | manual | S | 110 | 8.2806 | 153 | -0.03 | 100 |
IV.MMGO.HHN. | 2020-09-14T23:58:09.44 | 0.3 | undecidable | manual | P | 144 | 21.2676 | 123 | -0.01 | 74 |
IV.MARS.EHZ. | 2020-09-14T23:58:09.80 | 0.1 | positive | manual | P | 253 | 24.6531 | 119 | -0.09 | 96 |
IV.CRJA.HHZ. | 2020-09-14T23:58:09.13 | 0.1 | undecidable | manual | P | 96 | 15.0738 | 135 | 0.43 | 92 |
IV.MFNL.HHZ. | 2020-09-14T23:58:08.19 | 0.1 | undecidable | manual | P | 110 | 8.2806 | 153 | 0.1 | 100 |
IV.MBFT.HHZ. | 2020-09-14T23:58:08.76 | 0.1 | positive | manual | P | 36 | 17.7711 | 129 | -0.25 | 94 |
IV.MTGR.HHZ. | 2020-09-14T23:58:08.19 | 3.0 | negative | manual | P | 0.21 | 0 | |||
IV.CAVT.HHZ. | 2020-09-14T23:58:08.80 | 0.1 | positive | manual | P | 204 | 16.7721 | 131 | -0.1 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MFNL.HHN. | ML:2.0 | 0.0007989999999999999 | 0.82 | AML | other | m | 2020-09-14T23:58:11.41 |
IV.MFNL.HHE. | ML:2.1 | 0.001105 | 1.6 | AML | other | m | 2020-09-14T23:58:11.92 |
IV.CAVT.HHN. | ML:2.2 | 0.0010609999999999999 | 0.12 | AML | other | m | 2020-09-14T23:58:12.55 |
IV.CAVT.HHE. | ML:2.2 | 0.000991 | 0.68 | AML | other | m | 2020-09-14T23:58:12.72 |
IV.CRJA.HHN. | ML:1.6 | 0.00027850000000000005 | 0.42 | AML | other | m | 2020-09-14T23:58:12.95 |
IV.MBFT.HHN. | ML:1.1 | 0.000087 | 0.44 | AML | other | m | 2020-09-14T23:58:13.28 |
IV.MBFT.HHE. | ML:1.2 | 0.0000925 | 0.46 | AML | other | m | 2020-09-14T23:58:13.03 |
IV.CRJA.HHE. | ML:1.6 | 0.000275 | 0.5 | AML | other | m | 2020-09-14T23:58:13.88 |
IV.MARS.EHN. | ML:1.8 | 0.000328344705 | 0.192 | AML | other | m | 2020-09-14T23:58:14.07 |
IV.MARS.EHE. | ML:1.8 | 0.0003132392 | 0.1792 | AML | other | m | 2020-09-14T23:58:14.32 |