A magnitude ML 1.7 earthquake occured in region: 3 km W Polizzi Generosa (PA), on
and geographic coordinates (lat, lon) 37.8270, 13.9650 at 12 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 |
---|---|---|---|---|
Polizzi Generosa | PA | 3 | 3407 | 3407 |
Scillato | PA | 6 | 613 | 4020 |
Caltavuturo | PA | 7 | 4017 | 8037 |
Castellana Sicula | PA | 9 | 3411 | 11448 |
Sclafani Bagni | PA | 10 | 426 | 11874 |
Collesano | PA | 11 | 4054 | 15928 |
Petralia Sottana | PA | 12 | 2821 | 18749 |
Blufi | PA | 13 | 1029 | 19778 |
Petralia Soprana | PA | 13 | 3360 | 23138 |
Isnello | PA | 14 | 1589 | 24727 |
Bompietro | PA | 15 | 1401 | 26128 |
Valledolmo | PA | 15 | 3594 | 29722 |
Cerda | PA | 16 | 5330 | 35052 |
Gratteri | PA | 16 | 963 | 36015 |
Castelbuono | PA | 16 | 8943 | 44958 |
Aliminusa | PA | 17 | 1236 | 46194 |
Geraci Siculo | PA | 17 | 1945 | 48139 |
Resuttano | CL | 17 | 2038 | 50177 |
Montemaggiore Belsito | PA | 18 | 3365 | 53542 |
Lascari | PA | 19 | 3588 | 57130 |
Campofelice di Roccella | PA | 20 | 7537 | 64667 |
Alimena | PA | 20 | 2032 | 66699 |
Vallelunga Pratameno | CL | 20 | 3461 | 70160 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2020-02-20 01:42:07 |
37.8272 | 13.9647 | 12 | 2020-07-18 21:08:26 |
Bollettino Sismico Italiano INGV | 77355341 |
Reviewed Rev100 |
ML 1.8 | 2020-02-20 01:42:06 |
37.8125 | 13.9817 | 23 | 2020-02-20 01:50:26 |
Sala Sismica INGV-Roma | 76660101 |
Field | Value |
---|---|
Time (UTC) | 2020-02-20 01:42:07 ± 0.18 |
Latitude | 37.8272 ± 0.0081 |
Longitude | 13.9647 ± 0.0125 |
Depth (km) | 12 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 77355341 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 913 |
Semi-minor axis of confidence ellipse (meter) | 666 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 308 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 910.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
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) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.11871 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43078 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 77355341 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-07-07 21:53:35 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 76660101 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-20 01:50:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PLLN.EHZ. | 2020-02-20T01:42:16.86 | 0.6 | undecidable | manual | S | 40 | 24.0537 | 92 | 0.61 | 40 |
IV.SOLUN.HHE. | 2020-02-20T01:42:16.34 | 0.3 | undecidable | manual | P | 308 | 47.8188 | 91 | 0.18 | 67 |
IV.GIB.HHZ. | 2020-02-20T01:42:15.22 | 0.6 | undecidable | manual | S | 17 | 18.87 | 94 | 0.36 | 45 |
IV.RESU.HHZ. | 2020-02-20T01:42:15.98 | 0.6 | undecidable | manual | S | 158 | 21.5673 | 93 | 0.39 | 45 |
IV.ALJA.HHZ. | 2020-02-20T01:42:15.92 | 0.6 | undecidable | manual | S | 245 | 20.4684 | 93 | 0.64 | 41 |
IV.CMDO.HHZ. | 2020-02-20T01:42:14.42 | 0.6 | undecidable | manual | P | 197 | 42.2244 | 91 | -0.87 | 39 |
IV.PETRA.HHE. | 2020-02-20T01:42:13.48 | 0.3 | undecidable | manual | S | 87 | 13.1757 | 108 | 0.11 | 72 |
IV.CSLB.HHZ. | 2020-02-20T01:42:13.31 | 0.3 | undecidable | manual | S | 34 | 14.6742 | 102 | -0.45 | 71 |
IV.RESU.HHZ. | 2020-02-20T01:42:12.34 | 0.3 | undecidable | manual | P | 158 | 21.5673 | 93 | 0.23 | 70 |
IV.PLLN.EHZ. | 2020-02-20T01:42:12.57 | 0.3 | undecidable | manual | P | 40 | 24.0537 | 92 | 0.07 | 71 |
IV.ALJA.HHZ. | 2020-02-20T01:42:11.49 | 0.3 | undecidable | manual | P | 245 | 20.4684 | 93 | -0.44 | 70 |
IV.GIB.HHZ. | 2020-02-20T01:42:11.78 | 0.3 | undecidable | manual | P | 17 | 18.87 | 94 | 0.09 | 72 |
IV.PETRA.HHE. | 2020-02-20T01:42:10.77 | 0.1 | undecidable | manual | P | 87 | 13.1757 | 108 | -0.06 | 100 |
IV.CSLB.HHZ. | 2020-02-20T01:42:10.70 | 0.1 | positive | manual | P | 34 | 14.6742 | 102 | -0.36 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSLB.HHN. | ML:1.4 | 0.00024115400000000002 | 0.26 | AML | other | m | 2020-02-20T01:42:16.28 |
IV.GIB.HHN. | ML:1.9 | 0.000669592 | 0.5 | AML | other | m | 2020-02-20T01:42:16.55 |
IV.ALJA.HHN. | ML:1.8 | 0.00044035555000000005 | 0.24 | AML | other | m | 2020-02-20T01:42:16.76 |
IV.CSLB.HHE. | ML:1.4 | 0.0002356578 | 0.26 | AML | other | m | 2020-02-20T01:42:17.18 |
IV.GIB.HHE. | ML:1.8 | 0.0004233217 | 1.6 | AML | other | m | 2020-02-20T01:42:17.18 |
IV.RESU.HHN. | ML:1.6 | 0.00027557389999999997 | 0.72 | AML | other | m | 2020-02-20T01:42:19.13 |