A magnitude ML 0.5 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on
and geographic coordinates (lat, lon) 38.0710, 13.9040 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 |
---|---|---|---|---|
Lascari | PA | 8 | 3588 | 3588 |
Campofelice di Roccella | PA | 9 | 7537 | 11125 |
Cefalù | PA | 11 | 14393 | 25518 |
Gratteri | PA | 13 | 963 | 26481 |
Isnello | PA | 17 | 1589 | 28070 |
Collesano | PA | 17 | 4054 | 32124 |
Cerda | PA | 20 | 5330 | 37454 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2021-08-31 11:26:14 |
38.0707 | 13.904 | 9 | 2021-12-29 11:12:53 |
Bollettino Sismico Italiano INGV | 98502901 |
Reviewed Rev100 |
ML 0.5 | 2021-08-31 11:26:14 |
38.0612 | 13.906 | 11 | 2021-08-31 11:53:51 |
Sala Sismica INGV-Roma | 94868371 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 11:26:14 ± 0.29 |
Latitude | 38.0707 ± 0.0171 |
Longitude | 13.9040 ± 0.0057 |
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 | 98502901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1922 |
Semi-minor axis of confidence ellipse (meter) | 197 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 178 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1920.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 267 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
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 | 14 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 94868371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 11:53:51 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 98502901 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-14 11:20:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZONE.HHZ. | 2021-08-31T11:28:09.07 | 3.0 | undecidable | manual | Pn | 2.97 | 0 | |||
IV.CRAC.EHZ. | 2021-08-31T11:27:39.92 | 3.0 | undecidable | manual | Sg | 9.27 | 0 | |||
IV.PZUN.HHZ. | 2021-08-31T11:27:34.43 | 3.0 | undecidable | manual | Sg | 5.85 | 0 | |||
IV.COLB.HHZ. | 2021-08-31T11:27:31.91 | 3.0 | undecidable | manual | Sg | 8.65 | 0 | |||
IV.ATPI.EHZ. | 2021-08-31T11:27:28.56 | 3.0 | positive | manual | Pn | -0.3 | 0 | |||
IX.SCL3.EHZ.02 | 2021-08-31T11:27:26.87 | 3.0 | undecidable | manual | Sn | -0.06 | 0 | |||
IV.LAV9.HHZ. | 2021-08-31T11:27:13.46 | 3.0 | positive | manual | Pg | 8.85 | 0 | |||
IV.PTRJ.HNZ. | 2021-08-31T11:27:01.47 | 3.0 | undecidable | manual | Pn | 2.76 | 0 | |||
IV.ACATE.EHZ. | 2021-08-31T11:26:36.17 | 3.0 | undecidable | manual | P | 0.63 | 0 | |||
IT.LNT.HGZ. | 2021-08-31T11:26:34.15 | 3.0 | undecidable | manual | P | -0.66 | 0 | |||
IV.CSLB.HHZ. | 2021-08-31T11:26:21.67 | 0.6 | undecidable | manual | S | 138 | 19.9689 | 115 | -0.04 | 52 |
IV.SCIAR.HHZ. | 2021-08-31T11:26:21.61 | 0.6 | undecidable | manual | S | 223 | 19.7691 | 115 | -0.04 | 52 |
IV.GIB.HHZ. | 2021-08-31T11:26:20.09 | 0.6 | undecidable | manual | S | 130 | 13.875 | 124 | 0.22 | 50 |
IV.PETRA.HHN. | 2021-08-31T11:26:20.74 | 0.3 | undecidable | manual | P | 145 | 32.1456 | 50 | 0.06 | 76 |
IV.SCIAR.HHZ. | 2021-08-31T11:26:18.52 | 0.3 | undecidable | manual | P | 223 | 19.7691 | 115 | 0.08 | 77 |
IV.CSLB.HHZ. | 2021-08-31T11:26:18.27 | 0.1 | undecidable | manual | P | 138 | 19.9689 | 115 | -0.21 | 100 |
IV.GIB.HHZ. | 2021-08-31T11:26:17.47 | 0.3 | undecidable | manual | P | 130 | 13.875 | 124 | 0.05 | 78 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GIB.HHN. | ML:0.5 | 0.000031774745 | 0.8 | AML | other | m | 2021-08-31T11:26:20.34 |
IV.CSLB.HHN. | ML:0.3 | 0.000013180000000000001 | 0.38 | AML | other | m | 2021-08-31T11:26:22.18 |
IV.GIB.HHE. | ML:0.8 | 0.00006531032 | 0.496 | AML | other | m | 2021-08-31T11:26:22.03 |
IV.SCIAR.HHN. | ML:0.7 | 0.000034634435000000004 | 0.5184 | AML | other | m | 2021-08-31T11:26:22.39 |
IV.SCIAR.HHE. | ML:0.7 | 0.000032933644999999996 | 0.5152 | AML | other | m | 2021-08-31T11:26:22.73 |
IV.CSLB.HHE. | ML:0.1 | 0.00001134 | 0.44 | AML | other | m | 2021-08-31T11:26:24.13 |