A magnitude ML 0.8 earthquake occured in region: 4 km SW Castelbuono (PA), on
and geographic coordinates (lat, lon) 37.9100, 14.0580 at 6 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 |
---|---|---|---|---|
Castelbuono | PA | 4 | 8943 | 8943 |
Isnello | PA | 6 | 1589 | 10532 |
Gratteri | PA | 10 | 963 | 11495 |
Geraci Siculo | PA | 10 | 1945 | 13440 |
Collesano | PA | 11 | 4054 | 17494 |
San Mauro Castelverde | PA | 12 | 1701 | 19195 |
Polizzi Generosa | PA | 12 | 3407 | 22602 |
Petralia Sottana | PA | 12 | 2821 | 25423 |
Pollina | PA | 12 | 2974 | 28397 |
Petralia Soprana | PA | 13 | 3360 | 31757 |
Castellana Sicula | PA | 14 | 3411 | 35168 |
Lascari | PA | 14 | 3588 | 38756 |
Scillato | PA | 15 | 613 | 39369 |
Cefalù | PA | 15 | 14393 | 53762 |
Blufi | PA | 18 | 1029 | 54791 |
Caltavuturo | PA | 18 | 4017 | 58808 |
Campofelice di Roccella | PA | 18 | 7537 | 66345 |
Gangi | PA | 18 | 6811 | 73156 |
Tusa | ME | 18 | 2925 | 76081 |
Bompietro | PA | 18 | 1401 | 77482 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-08-01 03:15:33 |
37.9102 | 14.0585 | 6 | 2021-08-01 03:20:28 |
Sala Sismica INGV-Roma | 93473271 |
Field | Value |
---|---|
Time (UTC) | 2021-08-01 03:15:33 ± 0.29 |
Latitude | 37.9102 ± 0.0117 |
Longitude | 14.0585 ± 0.0160 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93473271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1403 |
Semi-minor axis of confidence ellipse (meter) | 1008 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28958 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 93473271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-01 03:20:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTGR.HHZ. | 2021-08-01T03:15:58.06 | 3.0 | undecidable | manual | Sn | -0.05 | 0 | |||
IV.ACATE.EHZ. | 2021-08-01T03:15:44.76 | 3.0 | negative | manual | Pg | 0.06 | 0 | |||
IV.ALJA.HHE. | 2021-08-01T03:15:39.89 | 0.6 | undecidable | manual | P | 236 | 32.1456 | 100 | 0.06 | 50 |
IV.RESU.HHE. | 2021-08-01T03:15:39.63 | 0.6 | undecidable | manual | P | 180 | 29.2485 | 101 | 0.37 | 47 |
IV.PLLN.EHZ. | 2021-08-01T03:15:38.12 | 0.3 | undecidable | manual | S | 39 | 11.7771 | 116 | 0.27 | 75 |
IV.GIB.HHZ. | 2021-08-01T03:15:37.42 | 0.3 | undecidable | manual | S | 342 | 9.2796 | 122 | 0.32 | 74 |
IV.GIB.HHZ. | 2021-08-01T03:15:35.29 | 0.3 | positive | manual | P | 342 | 9.2796 | 122 | -0.2 | 76 |
IV.PLLN.EHZ. | 2021-08-01T03:15:35.51 | 0.6 | positive | manual | P | 39 | 11.7771 | 116 | -0.41 | 48 |
IV.CSLB.HHZ. | 2021-08-01T03:15:35.60 | 0.3 | undecidable | manual | S | 359 | 2.997 | 153 | 0.03 | 80 |
IV.CSLB.HHZ. | 2021-08-01T03:15:34.29 | 0.1 | negative | manual | P | 359 | 2.997 | 153 | -0.32 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GIB.HHN. | ML:0.9 | 0.00014749999999999998 | 0.34 | AML | other | m | 2021-08-01T03:15:37.69 |
IV.GIB.HHE. | ML:0.7 | 0.00009005 | 1.02 | AML | other | m | 2021-08-01T03:15:39.29 |