A magnitude ML 1.7 earthquake occured in region: 12 km NE Mazara del Vallo (TP), on
and geographic coordinates (lat, lon) 37.7510, 12.6580 at 17 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 |
---|---|---|---|---|
Mazara del Vallo | TP | 13 | 51718 | 51718 |
Castelvetrano | TP | 14 | 31806 | 83524 |
Salemi | TP | 15 | 10794 | 94318 |
Campobello di Mazara | TP | 15 | 11956 | 106274 |
Petrosino | TP | 15 | 8105 | 114379 |
Vita | TP | 19 | 2056 | 116435 |
Santa Ninfa | TP | 20 | 5043 | 121478 |
Gibellina | TP | 20 | 4115 | 125593 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-10-07 04:01:52 |
37.7508 | 12.6582 | 17 | 2021-02-26 14:56:12 |
Bollettino Sismico Italiano INGV | 85942481 |
Reviewed Rev100 |
ML 1.7 | 2020-10-07 04:01:52 |
37.7607 | 12.6665 | 17 | 2020-10-07 04:29:37 |
Sala Sismica INGV-Roma | 83572981 |
Field | Value |
---|---|
Time (UTC) | 2020-10-07 04:01:52 ± 0.27 |
Latitude | 37.7508 ± 0.0090 |
Longitude | 12.6582 ± 0.0114 |
Depth (km) | 17 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 85942481 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1036 |
Semi-minor axis of confidence ellipse (meter) | 477 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 160 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1040.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30397 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 83572981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-07 04:29:37 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85942481 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-13 11:26:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ERC.EHN. | 2020-10-07T04:02:05.29 | 0.6 | undecidable | manual | S | 349 | 32.4453 | 106 | 1 | 36 |
IV.MBFT.HHZ. | 2020-10-07T04:02:04.20 | 0.3 | undecidable | manual | S | 50 | 33.744 | 105 | -0.43 | 66 |
IV.CRJA.HHZ. | 2020-10-07T04:02:04.39 | 0.6 | undecidable | manual | S | 79 | 30.8469 | 107 | 0.5 | 43 |
IV.MMGO.HHE. | 2020-10-07T04:02:02.73 | 0.3 | undecidable | manual | S | 109 | 29.6481 | 108 | -0.85 | 58 |
IV.MFNL.HHZ. | 2020-10-07T04:02:02.62 | 0.6 | undecidable | manual | S | 79 | 23.5542 | 115 | 0.55 | 43 |
IV.CAVT.HHZ. | 2020-10-07T04:01:59.38 | 0.6 | undecidable | manual | S | 133 | 11.6772 | 138 | -0.12 | 49 |
X3.T1581.EHZ. | 2020-10-07T04:01:59.04 | 0.3 | undecidable | manual | S | 13 | 11.6772 | 139 | -0.44 | 67 |
IV.MMGO.HHE. | 2020-10-07T04:01:59.11 | 0.1 | undecidable | manual | P | 109 | 29.6481 | 108 | 0.02 | 96 |
X3.T1582.EHZ. | 2020-10-07T04:01:59.40 | 0.3 | undecidable | manual | S | 93 | 10.4784 | 142 | 0.11 | 74 |
IV.MBFT.HHZ. | 2020-10-07T04:01:59.57 | 0.1 | undecidable | manual | P | 50 | 33.744 | 105 | -0.12 | 94 |
IV.CRJA.HHZ. | 2020-10-07T04:01:59.63 | 0.3 | undecidable | manual | P | 79 | 30.8469 | 107 | 0.36 | 67 |
IV.MTGR.HHZ. | 2020-10-07T04:01:59.99 | 0.6 | undecidable | manual | S | 29 | 18.0708 | 123 | -0.8 | 39 |
IV.ERC.EHN. | 2020-10-07T04:01:59.37 | 0.3 | undecidable | manual | P | 349 | 32.4453 | 106 | -0.13 | 70 |
IV.MFNL.HHZ. | 2020-10-07T04:01:58.57 | 0.3 | undecidable | manual | P | 79 | 23.5542 | 115 | 0.35 | 68 |
IV.MARS.EHZ. | 2020-10-07T04:01:58.95 | 0.3 | undecidable | manual | S | 272 | 8.1807 | 149 | 0.01 | 74 |
X3.T1574.HHZ. | 2020-10-07T04:01:57.85 | 0.1 | undecidable | manual | P | 55 | 17.5713 | 124 | 0.44 | 90 |
IV.MTGR.HHZ. | 2020-10-07T04:01:57.33 | 0.1 | positive | manual | P | 29 | 18.0708 | 123 | -0.15 | 96 |
IV.CAVT.HHZ. | 2020-10-07T04:01:56.72 | 0.1 | undecidable | manual | P | 133 | 11.6772 | 138 | -0.01 | 100 |
X3.T1581.EHZ. | 2020-10-07T04:01:56.62 | 0.1 | undecidable | manual | P | 13 | 11.6772 | 139 | -0.11 | 98 |
IV.MARS.EHZ. | 2020-10-07T04:01:56.41 | 0.1 | undecidable | manual | P | 272 | 8.1807 | 149 | 0 | 100 |
X3.T1582.EHZ. | 2020-10-07T04:01:56.67 | 0.1 | undecidable | manual | P | 93 | 10.4784 | 142 | 0.05 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MARS.EHN. | ML:2.3 | 0.001685 | 0.22 | AML | other | m | 2020-10-07T04:01:59.00 |
IV.MARS.EHE. | ML:1.7 | 0.00048450000000000007 | 0.06 | AML | other | m | 2020-10-07T04:01:59.19 |
X3.T1582.EHE. | ML:2.0 | 0.0009325 | 0.14 | AML | other | m | 2020-10-07T04:01:59.53 |
X3.T1582.EHN. | ML:1.9 | 0.0007199999999999999 | 0.14 | AML | other | m | 2020-10-07T04:01:59.59 |
IV.CAVT.HHN. | ML:1.5 | 0.000247 | 0.52 | AML | other | m | 2020-10-07T04:01:59.72 |
IV.CAVT.HHE. | ML:1.5 | 0.000235 | 0.48 | AML | other | m | 2020-10-07T04:02:00.62 |
IV.MFNL.HHN. | ML:1.2 | 0.00007395000000000001 | 0.06 | AML | other | m | 2020-10-07T04:02:02.81 |
IV.MFNL.HHE. | ML:1.3 | 0.00009759999999999999 | 0.2 | AML | other | m | 2020-10-07T04:02:02.96 |