A magnitude ML 1.1 earthquake occured in region: 3 km NE Salemi (TP), on
and geographic coordinates (lat, lon) 37.8410, 12.8140 at 12 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 |
Vita | TP | 3 | 2056 | 12850 |
Gibellina | TP | 6 | 4115 | 16965 |
Calatafimi-Segesta | TP | 9 | 6712 | 23677 |
Santa Ninfa | TP | 9 | 5043 | 28720 |
Partanna | TP | 15 | 10607 | 39327 |
Castelvetrano | TP | 18 | 31806 | 71133 |
Salaparuta | TP | 19 | 1696 | 72829 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2020-09-23 21:22:48 |
37.8412 | 12.8143 | 12 | 2021-02-26 14:56:17 |
Bollettino Sismico Italiano INGV | 86701521 |
Reviewed Rev100 |
ML 1.0 | 2020-09-23 21:22:48 |
37.8268 | 12.8288 | 9 | 2020-09-23 21:36:53 |
Sala Sismica INGV-Roma | 83169901 |
Field | Value |
---|---|
Time (UTC) | 2020-09-23 21:22:48 ± 0.15 |
Latitude | 37.8412 ± 0.0099 |
Longitude | 12.8143 ± 0.0102 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86701521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1136 |
Semi-minor axis of confidence ellipse (meter) | 862 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 344 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 86 |
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) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38941 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 83169901 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-23 21:36:53 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 86701521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-30 01:23:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MARS.EHZ. | 2020-09-23T21:22:57.74 | 0.6 | undecidable | manual | S | 246 | 23.9538 | 92 | 0.68 | 40 |
IV.CORL.HHE. | 2020-09-23T21:22:56.94 | 0.3 | undecidable | manual | P | 82 | 43.2234 | 91 | 0.65 | 60 |
IV.MMGO.HHE. | 2020-09-23T21:22:56.65 | 0.6 | undecidable | manual | S | 144 | 24.4533 | 92 | -0.54 | 45 |
IV.CRJA.HHZ. | 2020-09-23T21:22:55.88 | 0.6 | undecidable | manual | S | 105 | 17.1717 | 96 | 0.62 | 42 |
IV.CAVT.HHZ. | 2020-09-23T21:22:55.51 | 0.6 | undecidable | manual | S | 196 | 18.7701 | 95 | -0.16 | 49 |
IV.MBFT.HHZ. | 2020-09-23T21:22:54.70 | 0.6 | undecidable | manual | S | 46 | 16.872 | 97 | -0.46 | 45 |
IV.MARS.EHZ. | 2020-09-23T21:22:53.38 | 0.1 | undecidable | manual | P | 246 | 23.9538 | 92 | 0.07 | 97 |
IV.MFNL.HHZ. | 2020-09-23T21:22:53.99 | 0.3 | undecidable | manual | S | 120 | 10.9779 | 119 | 0.32 | 69 |
IV.CAVT.HHZ. | 2020-09-23T21:22:52.26 | 0.1 | undecidable | manual | P | 196 | 18.7701 | 95 | -0.25 | 96 |
IV.CRJA.HHZ. | 2020-09-23T21:22:52.33 | 0.1 | undecidable | manual | P | 105 | 17.1717 | 96 | 0.05 | 98 |
IV.MMGO.HHE. | 2020-09-23T21:22:52.67 | 0.1 | undecidable | manual | P | 144 | 24.4533 | 92 | -0.72 | 83 |
IV.MBFT.HHZ. | 2020-09-23T21:22:51.98 | 0.1 | undecidable | manual | P | 46 | 16.872 | 97 | -0.25 | 95 |
IV.MFNL.HHZ. | 2020-09-23T21:22:51.43 | 0.1 | negative | manual | P | 120 | 10.9779 | 119 | 0.07 | 98 |
IV.MTGR.HHZ. | 2020-09-23T21:22:50.78 | 0.1 | negative | manual | P | -0.02 | 1.6 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MBFT.HHE. | ML:0.4 | 0.000018712315 | 0.72 | AML | other | m | 2020-09-23T21:22:51.60 |
IV.MFNL.HHN. | ML:1.2 | 0.00016935139999999999 | 0.0896 | AML | other | m | 2020-09-23T21:22:54.09 |
IV.MFNL.HHE. | ML:1.3 | 0.00019880349999999998 | 0.0768 | AML | other | m | 2020-09-23T21:22:54.09 |
IV.CRJA.HHN. | ML:0.8 | 0.00005234233 | 0.2688 | AML | other | m | 2020-09-23T21:22:56.72 |
IV.MARS.EHN. | ML:1.5 | 0.00020533594999999998 | 0.256 | AML | other | m | 2020-09-23T21:22:57.96 |
IV.MBFT.HHN. | ML:0.3 | 0.00001702567 | 0.1792 | AML | other | m | 2020-09-23T21:22:58.70 |
IV.MBFT.HNN. | ML:1.2 | 0.00012723065 | 1.1552 | AML | other | m | 2020-09-23T21:22:59.84 |
IV.CRJA.HHE. | ML:0.8 | 0.0000494085 | 0.3328 | AML | other | m | 2020-09-23T21:22:59.45 |
IV.MBFT.HNE. | ML:1.1 | 0.00010134063999999999 | 0.6912 | AML | other | m | 2020-09-23T21:22:59.42 |
IV.CAVT.HHE. | ML:1.0 | 0.00008537418 | 0.64 | AML | other | m | 2020-09-23T21:23:01.64 |
IV.MARS.EHE. | ML:1.4 | 0.00013755539 | 0.9856 | AML | other | m | 2020-09-23T21:23:02.97 |
IV.CAVT.HHN. | ML:1.3 | 0.0001385119 | 1.1808 | AML | other | m | 2020-09-23T21:23:03.89 |