A magnitude ML 1.4 earthquake occured in region: 3 km NE Salemi (TP), on
and geographic coordinates (lat, lon) 37.8400, 12.8190 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 |
Vita | TP | 3 | 2056 | 12850 |
Gibellina | TP | 6 | 4115 | 16965 |
Santa Ninfa | TP | 9 | 5043 | 22008 |
Calatafimi-Segesta | TP | 9 | 6712 | 28720 |
Partanna | TP | 14 | 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 1.4 | 2020-09-18 21:04:59 |
37.8397 | 12.8193 | 19 | 2021-02-26 14:56:20 |
Bollettino Sismico Italiano INGV | 87377401 |
Reviewed Rev100 |
ML 1.3 | 2020-09-18 21:04:59 |
37.8278 | 12.8307 | 12 | 2020-09-18 21:14:05 |
Sala Sismica INGV-Roma | 83014971 |
Field | Value |
---|---|
Time (UTC) | 2020-09-18 21:04:59 ± 0.2 |
Latitude | 37.8397 ± 0.0072 |
Longitude | 12.8193 ± 0.0080 |
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 | 87377401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 806 |
Semi-minor axis of confidence ellipse (meter) | 318 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 138 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
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) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39300 |
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 | 0.4 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 87377401 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-02-22 12:46:57 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.4 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 83014971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-18 21:14:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SCIAC.HHZ. | 2020-09-18T21:05:13.72 | 0.6 | undecidable | manual | S | 145 | 43.623 | 104 | 0.05 | 47 |
IV.MARS.EHZ. | 2020-09-18T21:05:09.10 | 0.6 | undecidable | manual | S | 247 | 24.2535 | 118 | 0.28 | 46 |
IV.MMGO.HHE. | 2020-09-18T21:05:08.75 | 0.6 | undecidable | manual | S | 145 | 24.0537 | 118 | -0.02 | 49 |
IV.CRJA.HHZ. | 2020-09-18T21:05:07.62 | 0.6 | undecidable | manual | S | 105 | 16.7721 | 131 | 0.47 | 46 |
IV.SCIAC.HHZ. | 2020-09-18T21:05:07.66 | 0.3 | undecidable | manual | P | 145 | 43.623 | 104 | 0.04 | 71 |
IV.CAVT.HHZ. | 2020-09-18T21:05:07.21 | 0.6 | undecidable | manual | S | 197 | 18.6702 | 127 | -0.35 | 46 |
IV.MBFT.HHZ. | 2020-09-18T21:05:06.72 | 0.6 | undecidable | manual | S | 45 | 16.6722 | 131 | -0.41 | 46 |
IV.MFNL.HHZ. | 2020-09-18T21:05:05.95 | 0.3 | undecidable | manual | S | 121 | 10.5783 | 145 | -0.08 | 74 |
IV.MARS.EHZ. | 2020-09-18T21:05:04.85 | 0.1 | undecidable | manual | P | 247 | 24.2535 | 118 | 0.04 | 97 |
IV.CRJA.HHZ. | 2020-09-18T21:05:04.19 | 0.1 | undecidable | manual | P | 105 | 16.7721 | 131 | 0.34 | 93 |
IV.MMGO.HHE. | 2020-09-18T21:05:04.55 | 0.3 | undecidable | manual | P | 145 | 24.0537 | 118 | -0.23 | 71 |
IV.MBFT.HHZ. | 2020-09-18T21:05:03.78 | 0.1 | undecidable | manual | P | 45 | 16.6722 | 131 | -0.05 | 100 |
IV.CAVT.HHZ. | 2020-09-18T21:05:03.94 | 0.1 | undecidable | manual | P | 197 | 18.6702 | 127 | -0.15 | 97 |
IV.MFNL.HHZ. | 2020-09-18T21:05:03.25 | 0.1 | undecidable | manual | P | 121 | 10.5783 | 145 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MFNL.HHN. | ML:1.7 | 0.00040384415 | 0.064 | AML | other | m | 2020-09-18T21:05:06.20 |
IV.MFNL.HHE. | ML:1.9 | 0.00065685675 | 0.0768 | AML | other | m | 2020-09-18T21:05:06.20 |
IV.MBFT.HNE. | ML:1.2 | 0.00009529436499999999 | 0.5248 | AML | other | m | 2020-09-18T21:05:06.41 |
IV.MBFT.HHE. | ML:1.0 | 0.000062456665 | 0.2176 | AML | other | m | 2020-09-18T21:05:06.87 |
IV.CAVT.HHE. | ML:1.9 | 0.0005262819000000001 | 0.2304 | AML | other | m | 2020-09-18T21:05:07.64 |
IV.CAVT.HHN. | ML:2.0 | 0.00056756385 | 0.1024 | AML | other | m | 2020-09-18T21:05:07.69 |
IV.MBFT.HHN. | ML:0.9 | 0.00005399707 | 0.1792 | AML | other | m | 2020-09-18T21:05:07.60 |
IV.CRJA.HHN. | ML:1.2 | 0.00010797234 | 0.1664 | AML | other | m | 2020-09-18T21:05:07.88 |
IV.MARS.EHN. | ML:1.5 | 0.00017213839999999998 | 0.2304 | AML | other | m | 2020-09-18T21:05:09.25 |
IV.MARS.EHE. | ML:1.6 | 0.00017934519999999999 | 0.2304 | AML | other | m | 2020-09-18T21:05:09.39 |
IV.CRJA.HHE. | ML:1.2 | 0.00009212916 | 0.2304 | AML | other | m | 2020-09-18T21:05:11.38 |