A magnitude ML 1.1 earthquake occured in region: 6 km E Menfi (AG), on
and geographic coordinates (lat, lon) 37.5970, 13.0400 at 7 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 |
---|---|---|---|---|
Menfi | AG | 6 | 12592 | 12592 |
Sambuca di Sicilia | AG | 9 | 5877 | 18469 |
Sciacca | AG | 11 | 40928 | 59397 |
Santa Margherita di Belice | AG | 11 | 6363 | 65760 |
Montevago | AG | 13 | 3006 | 68766 |
Caltabellotta | AG | 16 | 3681 | 72447 |
Salaparuta | TP | 18 | 1696 | 74143 |
Poggioreale | TP | 19 | 1494 | 75637 |
Partanna | TP | 19 | 10607 | 86244 |
Contessa Entellina | PA | 20 | 1766 | 88010 |
Giuliana | PA | 20 | 1952 | 89962 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-07-08 08:11:55 |
37.5967 | 13.0397 | 7 | 2021-07-08 08:19:50 |
Sala Sismica INGV-Roma | 92405381 |
Field | Value |
---|---|
Time (UTC) | 2021-07-08 08:11:55 ± 0.33 |
Latitude | 37.5967 ± 0.0099 |
Longitude | 13.0397 ± 0.0227 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 92405381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1993 |
Semi-minor axis of confidence ellipse (meter) | 990 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 241 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1990.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 175 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21494 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 92405381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-08 08:19:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPTP.HHZ. | 2021-07-08T08:12:25.92 | 3.0 | undecidable | manual | S | -3.77 | 0 | |||
IV.CRJA.HHZ. | 2021-07-08T08:12:03.99 | 0.3 | undecidable | manual | S | 352 | 22.9548 | 107 | -0.1 | 75 |
IV.MFNL.HHZ. | 2021-07-08T08:12:01.22 | 1.0 | undecidable | manual | P | 334 | 23.8539 | 106 | 0.46 | 23 |
IV.SCIAC.HHZ. | 2021-07-08T08:12:00.26 | 0.3 | undecidable | manual | S | 148 | 10.4784 | 123 | 0.14 | 76 |
IV.CRJA.HHZ. | 2021-07-08T08:12:00.67 | 0.1 | negative | manual | P | 352 | 22.9548 | 107 | 0.09 | 100 |
IV.MMGO.HHZ. | 2021-07-08T08:11:59.76 | 0.3 | undecidable | manual | S | 323 | 9.0798 | 127 | 0.03 | 78 |
IV.SCIAC.HHZ. | 2021-07-08T08:11:58.07 | 0.3 | negative | manual | P | 148 | 10.4784 | 123 | -0.22 | 75 |
IV.MMGO.HHZ. | 2021-07-08T08:11:57.95 | 0.3 | negative | manual | P | 323 | 9.0798 | 127 | -0.12 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SCIAC.HHN. | ML:1.1 | 0.0001985 | 0.54 | AML | other | m | 2021-07-08T08:12:01.61 |
IV.SCIAC.HHE. | ML:1.0 | 0.00015 | 0.5 | AML | other | m | 2021-07-08T08:12:01.54 |