A magnitude ML 1.7 earthquake occured in region: 4 km NE Gangi (PA), on
and geographic coordinates (lat, lon) 37.8270, 14.2300 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 |
---|---|---|---|---|
Gangi | PA | 4 | 6811 | 6811 |
Geraci Siculo | PA | 8 | 1945 | 8756 |
Castel di Lucio | ME | 10 | 1294 | 10050 |
San Mauro Castelverde | PA | 10 | 1701 | 11751 |
Petralia Soprana | PA | 11 | 3360 | 15111 |
Petralia Sottana | PA | 12 | 2821 | 17932 |
Sperlinga | EN | 13 | 805 | 18737 |
Bompietro | PA | 14 | 1401 | 20138 |
Blufi | PA | 16 | 1029 | 21167 |
Mistretta | ME | 17 | 4791 | 25958 |
Pettineo | ME | 17 | 1350 | 27308 |
Castellana Sicula | PA | 17 | 3411 | 30719 |
Nicosia | EN | 17 | 13899 | 44618 |
Castelbuono | PA | 17 | 8943 | 53561 |
Tusa | ME | 18 | 2925 | 56486 |
Alimena | PA | 18 | 2032 | 58518 |
Motta d'Affermo | ME | 19 | 739 | 59257 |
Reitano | ME | 19 | 806 | 60063 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-10-21 23:27:46 |
37.8268 | 14.2295 | 9 | 2022-03-30 13:04:22 |
Bollettino Sismico Italiano INGV | 98738021 |
Reviewed Rev100 |
ML 1.7 | 2021-10-21 23:27:46 |
37.8318 | 14.2295 | 8 | 2021-10-21 23:41:46 |
Sala Sismica INGV-Roma | 96860431 |
Field | Value |
---|---|
Time (UTC) | 2021-10-21 23:27:46 ± 0.13 |
Latitude | 37.8268 ± 0.0081 |
Longitude | 14.2295 ± 0.0091 |
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 | 98738021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 827 |
Semi-minor axis of confidence ellipse (meter) | 645 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 2 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 830.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.17447 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55218 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 98738021 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-21 11:58:57 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 96860431 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-21 23:41:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MSFR.HHE. | 2021-10-21T23:28:00.14 | 0.6 | undecidable | manual | S | 54 | 39.1275 | 50 | 0.27 | 49 |
IV.GALF.HHZ. | 2021-10-21T23:27:58.34 | 0.6 | undecidable | manual | S | 113 | 32.2455 | 105 | 0.34 | 49 |
IV.MUCR.HHZ. | 2021-10-21T23:27:57.40 | 0.3 | undecidable | manual | P | 67 | 61.2942 | 50 | -0.2 | 72 |
IV.GIB.HHZ. | 2021-10-21T23:27:56.34 | 0.6 | undecidable | manual | S | 316 | 25.3524 | 109 | 0.61 | 46 |
MN.VAE.HHE. | 2021-10-21T23:27:56.32 | 0.6 | undecidable | manual | P | 165 | 41.1255 | 50 | 1.83 | 23 |
IV.RESU.HHZ. | 2021-10-21T23:27:55.71 | 0.3 | undecidable | manual | S | 217 | 25.0527 | 109 | 0.09 | 79 |
IV.ALJA.HHZ. | 2021-10-21T23:27:54.73 | 0.3 | undecidable | manual | P | 258 | 42.624 | 50 | 0.01 | 78 |
IV.MSFR.HHE. | 2021-10-21T23:27:54.07 | 0.3 | undecidable | manual | P | 54 | 39.1275 | 50 | -0.12 | 76 |
IV.CSLB.HHZ. | 2021-10-21T23:27:54.01 | 0.3 | undecidable | manual | S | 309 | 19.3695 | 114 | 0.22 | 77 |
IV.SCIAR.HNZ. | 2021-10-21T23:27:54.59 | 0.3 | undecidable | manual | P | 287 | 43.9227 | 50 | -0.32 | 72 |
IV.GALF.HHZ. | 2021-10-21T23:27:52.74 | 0.3 | undecidable | manual | P | 113 | 32.2455 | 105 | -0.37 | 73 |
IV.RESU.HHZ. | 2021-10-21T23:27:51.50 | 0.3 | undecidable | manual | P | 217 | 25.0527 | 109 | -0.23 | 76 |
IV.GIB.HHZ. | 2021-10-21T23:27:51.88 | 0.6 | undecidable | manual | P | 316 | 25.3524 | 109 | 0.09 | 52 |
IV.CSLB.HHZ. | 2021-10-21T23:27:50.31 | 0.1 | undecidable | manual | P | 309 | 19.3695 | 114 | -0.37 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSLB.HHN. | ML:1.4 | 0.0001975 | 0.8 | AML | other | m | 2021-10-21T23:27:56.52 |
IV.CSLB.HHE. | ML:1.2 | 0.0001205 | 0.22 | AML | other | m | 2021-10-21T23:27:58.42 |
IV.RESU.HHN. | ML:2.0 | 0.0005475 | 1.42 | AML | other | m | 2021-10-21T23:28:00.10 |
IV.RESU.HHE. | ML:1.7 | 0.0003325 | 0.9 | AML | other | m | 2021-10-21T23:28:02.40 |
IV.GALF.HHN. | ML:2.0 | 0.0004885 | 0.84 | AML | other | m | 2021-10-21T23:28:03.40 |
IV.ALJA.HHE. | ML:1.6 | 0.00013350000000000002 | 0.32 | AML | other | m | 2021-10-21T23:28:05.22 |
IV.GALF.HHE. | ML:2.1 | 0.0005785 | 0.56 | AML | other | m | 2021-10-21T23:28:05.87 |
IV.ALJA.HHN. | ML:1.5 | 0.0000968 | 0.9 | AML | other | m | 2021-10-21T23:28:05.23 |
IV.MUCR.HHE. | ML:1.5 | 0.0000627 | 0.32 | AML | other | m | 2021-10-21T23:28:11.46 |
IV.MUCR.HHN. | ML:1.7 | 0.00009820000000000002 | 1.68 | AML | other | m | 2021-10-21T23:28:12.05 |