A magnitude ML 1.4 earthquake occured in region: 6 km S Menfi (AG), on
and geographic coordinates (lat, lon) 37.5470, 12.9820 at 9 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 |
---|---|---|---|---|
Menfi | AG | 6 | 12592 | 12592 |
Sciacca | AG | 10 | 40928 | 53520 |
Sambuca di Sicilia | AG | 16 | 5877 | 59397 |
Santa Margherita di Belice | AG | 17 | 6363 | 65760 |
Montevago | AG | 17 | 3006 | 68766 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-12-24 03:24:18 |
37.5472 | 12.982 | 9 | 2022-03-30 13:04:24 |
Bollettino Sismico Italiano INGV | 99053431 |
Reviewed Rev100 |
ML 1.4 | 2021-12-24 03:24:18 |
37.5203 | 12.9572 | 0 | 2021-12-24 03:28:21 |
Sala Sismica INGV-Roma | 98885951 |
Field | Value |
---|---|
Time (UTC) | 2021-12-24 03:24:18 ± 0.25 |
Latitude | 37.5472 ± 0.0144 |
Longitude | 12.9820 ± 0.0136 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 99053431 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1785 |
Semi-minor axis of confidence ellipse (meter) | 696 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 212 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1790.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
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) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.09982 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42988 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98885951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-24 03:28:21 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 99053431 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-15 16:17:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MBFT.HHN. | 2021-12-24T03:24:32.84 | 0.6 | undecidable | manual | S | 357 | 44.3223 | 50 | -0.27 | 47 |
IV.CRJA.HHZ. | 2021-12-24T03:24:29.50 | 0.6 | undecidable | manual | S | 4 | 28.2495 | 107 | 0.96 | 40 |
IV.CAVT.HHZ. | 2021-12-24T03:24:27.65 | 0.6 | undecidable | manual | S | 306 | 24.6531 | 109 | 0.3 | 47 |
IV.CORL.HHZ. | 2021-12-24T03:24:27.34 | 0.3 | undecidable | manual | P | 36 | 47.7189 | 50 | -0.03 | 70 |
IV.MBFT.HHN. | 2021-12-24T03:24:26.56 | 0.3 | undecidable | manual | P | 357 | 44.3223 | 50 | -0.28 | 70 |
IV.CRJA.HHZ. | 2021-12-24T03:24:24.40 | 0.1 | undecidable | manual | P | 4 | 28.2495 | 107 | 0.2 | 96 |
IV.MMGO.HHZ. | 2021-12-24T03:24:23.45 | 0.6 | undecidable | manual | S | 358 | 12.7761 | 124 | -0.17 | 46 |
IV.CAVT.HHZ. | 2021-12-24T03:24:23.36 | 0.3 | undecidable | manual | P | 306 | 24.6531 | 109 | -0.15 | 73 |
IV.SCIAC.HHZ. | 2021-12-24T03:24:23.14 | 0.6 | undecidable | manual | S | 108 | 11.0778 | 128 | -0.01 | 50 |
IV.MMGO.HHZ. | 2021-12-24T03:24:21.34 | 0.1 | undecidable | manual | P | 358 | 12.7761 | 124 | -0.02 | 99 |
IV.SCIAC.HHZ. | 2021-12-24T03:24:21.17 | 0.1 | undecidable | manual | P | 108 | 11.0778 | 128 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SCIAC.HHE. | ML:1.5 | 0.000378 | 0.14 | AML | other | m | 2021-12-24T03:24:23.29 |
IV.SCIAC.HNE. | ML:1.5 | 0.000382 | 0.16 | AML | other | m | 2021-12-24T03:24:23.29 |
IV.SCIAC.HHN. | ML:1.6 | 0.000571 | 0.12 | AML | other | m | 2021-12-24T03:24:23.39 |
IV.SCIAC.HNN. | ML:1.6 | 0.0005700000000000001 | 0.12 | AML | other | m | 2021-12-24T03:24:23.40 |
IV.MMGO.HNN. | ML:1.3 | 0.0002125 | 0.28 | AML | other | m | 2021-12-24T03:24:23.53 |
IV.MMGO.HHN. | ML:1.3 | 0.00020999999999999998 | 0.28 | AML | other | m | 2021-12-24T03:24:23.53 |
IV.MMGO.HNE. | ML:1.1 | 0.0001515 | 0.32 | AML | other | m | 2021-12-24T03:24:23.53 |
IV.MMGO.HHE. | ML:1.1 | 0.000157 | 0.32 | AML | other | m | 2021-12-24T03:24:23.53 |