A magnitude ML 1.8 earthquake occured in region: 4 km W Montevago (AG), on
and geographic coordinates (lat, lon) 37.6960, 12.9450 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Montevago | AG | 4 | 3006 | 3006 |
Partanna | TP | 6 | 10607 | 13613 |
Santa Margherita di Belice | AG | 7 | 6363 | 19976 |
Salaparuta | TP | 9 | 1696 | 21672 |
Santa Ninfa | TP | 10 | 5043 | 26715 |
Menfi | AG | 11 | 12592 | 39307 |
Poggioreale | TP | 11 | 1494 | 40801 |
Castelvetrano | TP | 14 | 31806 | 72607 |
Gibellina | TP | 14 | 4115 | 76722 |
Sambuca di Sicilia | AG | 16 | 5877 | 82599 |
Salemi | TP | 18 | 10794 | 93393 |
Campobello di Mazara | TP | 19 | 11956 | 105349 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.8 | 2023-05-06 00:58:38 |
37.6962 | 12.9447 | 11 | 2023-05-06 01:04:55 |
Sala Sismica INGV-Roma | 117068191 |
Field | Value |
---|---|
Time (UTC) | 2023-05-06 00:58:38 ± 0.19 |
Latitude | 37.6962 ± 0.0081 |
Longitude | 12.9447 ± 0.0159 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 117068191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1312 |
Semi-minor axis of confidence ellipse (meter) | 670 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 250 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34624 |
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 | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 117068191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-05-06 01:04:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CORL.HHZ. | 2023-05-06T00:58:45.27 | 1.0 | negative | manual | P | 55 | 38.4282 | 90 | -0.43 | 23 |
IV.CRJA.HHZ. | 2023-05-06T00:58:44.57 | 0.6 | undecidable | manual | S | 24 | 12.7761 | 103 | 0.32 | 48 |
IV.MBFT.HHZ. | 2023-05-06T00:58:43.49 | 0.6 | negative | manual | P | 2 | 27.75 | 90 | -0.57 | 44 |
IV.SCIAC.HHZ. | 2023-05-06T00:58:43.40 | 0.1 | negative | manual | P | 145 | 24.2535 | 90 | -0.12 | 99 |
IV.MTGR.HHZ. | 2023-05-06T00:58:43.76 | 0.3 | undecidable | manual | P | 323 | 27.2505 | 90 | -0.22 | 72 |
IV.MFNL.HHZ. | 2023-05-06T00:58:43.42 | 0.6 | undecidable | manual | S | 349 | 10.6782 | 116 | -0.29 | 49 |
IV.MMGO.HNZ. | 2023-05-06T00:58:42.40 | 0.6 | undecidable | manual | S | 143 | 4.6953 | 150 | -0.16 | 51 |
IV.CAVT.HHZ. | 2023-05-06T00:58:42.88 | 1.0 | undecidable | manual | P | 263 | 16.6722 | 91 | 0.52 | 23 |
IV.MFNL.HHZ. | 2023-05-06T00:58:41.73 | 0.1 | negative | manual | P | 349 | 10.6782 | 116 | 0.28 | 97 |
IV.CRJA.HHZ. | 2023-05-06T00:58:41.93 | 0.1 | negative | manual | P | 24 | 12.7761 | 103 | 0.17 | 98 |
IV.MMGO.HNZ. | 2023-05-06T00:58:40.94 | 0.1 | positive | manual | P | 143 | 4.6953 | 150 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MMGO.HNE. | ML:2.0 | 0.00167 | 0.14 | AML | other | m | 2023-05-06T00:58:42.47 |
IV.MMGO.HHE. | ML:2.0 | 0.0017 | 0.68 | AML | other | m | 2023-05-06T00:58:42.47 |
IV.MMGO.HHN. | ML:2.3 | 0.003 | 0.12 | AML | other | m | 2023-05-06T00:58:42.46 |
IV.MMGO.HNN. | ML:2.3 | 0.003015 | 0.12 | AML | other | m | 2023-05-06T00:58:42.46 |
IV.MFNL.HHN. | ML:1.9 | 0.0009665 | 0.74 | AML | other | m | 2023-05-06T00:58:44.05 |
IV.MFNL.HHE. | ML:1.8 | 0.0007915 | 0.6 | AML | other | m | 2023-05-06T00:58:44.37 |
IV.CRJA.HHE. | ML:2.2 | 0.001715 | 1.7 | AML | other | m | 2023-05-06T00:58:44.92 |
IV.CRJA.HNN. | ML:1.9 | 0.0008285 | 1.7 | AML | other | m | 2023-05-06T00:58:44.92 |
IV.CRJA.HNE. | ML:2.2 | 0.00168 | 1.7 | AML | other | m | 2023-05-06T00:58:44.92 |
IV.CRJA.HHN. | ML:1.9 | 0.0008354999999999999 | 1.72 | AML | other | m | 2023-05-06T00:58:44.93 |
IV.CAVT.HHN. | ML:1.9 | 0.000726 | 0.34 | AML | other | m | 2023-05-06T00:58:46.61 |
IV.CAVT.HNN. | ML:1.7 | 0.000384 | 0.34 | AML | other | m | 2023-05-06T00:58:46.61 |
IV.CAVT.HNE. | ML:1.7 | 0.000388 | 0.16 | AML | other | m | 2023-05-06T00:58:46.69 |
IV.CAVT.HHE. | ML:2.0 | 0.0007825 | 0.18 | AML | other | m | 2023-05-06T00:58:46.69 |
IV.SCIAC.HHN. | ML:1.7 | 0.0002895 | 0.24 | AML | other | m | 2023-05-06T00:58:47.73 |
IV.MBFT.HHE. | ML:1.2 | 0.00008060000000000001 | 1.34 | AML | other | m | 2023-05-06T00:58:47.68 |
IV.SCIAC.HNE. | ML:1.8 | 0.0003885 | 0.14 | AML | other | m | 2023-05-06T00:58:47.70 |
IV.SCIAC.HHE. | ML:1.8 | 0.000373 | 0.12 | AML | other | m | 2023-05-06T00:58:47.77 |
IV.SCIAC.HNN. | ML:1.7 | 0.0002915 | 1.34 | AML | other | m | 2023-05-06T00:58:48.73 |
IV.MBFT.HHN. | ML:1.4 | 0.00011275 | 1.68 | AML | other | m | 2023-05-06T00:58:48.10 |
IV.MTGR.HHE. | ML:0.8 | 0.000030150000000000004 | 1.42 | AML | other | m | 2023-05-06T00:58:48.15 |
IV.MTGR.HHN. | ML:1.1 | 0.00007045 | 0.42 | AML | other | m | 2023-05-06T00:58:48.37 |
IV.CORL.HHN. | ML:1.2 | 0.000062 | 0.8 | AML | other | m | 2023-05-06T00:58:51.52 |
IV.CORL.HHE. | ML:1.3 | 0.0000734 | 0.36 | AML | other | m | 2023-05-06T00:58:51.75 |