A magnitude ML 1.8 earthquake occured in region: 6 km NE Polizzi Generosa (PA), on
and geographic coordinates (lat, lon) 37.8500, 14.0470 at 10 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 | 6 | 3407 | 3407 |
Petralia Sottana | PA | 6 | 2821 | 6228 |
Castellana Sicula | PA | 8 | 3411 | 9639 |
Petralia Soprana | PA | 8 | 3360 | 12999 |
Geraci Siculo | PA | 10 | 1945 | 14944 |
Castelbuono | PA | 10 | 8943 | 23887 |
Blufi | PA | 11 | 1029 | 24916 |
Isnello | PA | 11 | 1589 | 26505 |
Bompietro | PA | 12 | 1401 | 27906 |
Scillato | PA | 12 | 613 | 28519 |
Collesano | PA | 13 | 4054 | 32573 |
Caltavuturo | PA | 14 | 4017 | 36590 |
San Mauro Castelverde | PA | 15 | 1701 | 38291 |
Gratteri | PA | 15 | 963 | 39254 |
Gangi | PA | 15 | 6811 | 46065 |
Sclafani Bagni | PA | 17 | 426 | 46491 |
Alimena | PA | 18 | 2032 | 48523 |
Pollina | PA | 18 | 2974 | 51497 |
Resuttano | CL | 19 | 2038 | 53535 |
Lascari | PA | 19 | 3588 | 57123 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-12-27 11:36:48 |
37.85 | 14.0473 | 10 | 2021-02-26 14:56:13 |
Bollettino Sismico Italiano INGV | 86000531 |
Reviewed Rev100 |
ML 1.8 | 2020-12-27 11:36:48 |
37.8422 | 14.0367 | 8 | 2020-12-27 11:46:44 |
Sala Sismica INGV-Roma | 85754331 |
Field | Value |
---|---|
Time (UTC) | 2020-12-27 11:36:48 ± 0.14 |
Latitude | 37.8500 ± 0.0063 |
Longitude | 14.0473 ± 0.0159 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86000531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1351 |
Semi-minor axis of confidence ellipse (meter) | 472 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1350.0 |
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 | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.05576 |
Epicentral distance of station farthest from the epicenter (degree) | 0.46675 |
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 | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86000531 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-03 20:13:27 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 85754331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-27 11:46:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCT.HHN. | 2020-12-27T11:36:57.02 | 0.6 | undecidable | manual | P | 236 | 46.3203 | 50 | 0.11 | 48 |
IV.RESU.HHZ. | 2020-12-27T11:36:57.49 | 0.6 | undecidable | manual | S | 178 | 22.5552 | 113 | 0.77 | 42 |
IV.MSFR.HHE. | 2020-12-27T11:36:57.97 | 0.6 | undecidable | manual | P | 67 | 51.8037 | 50 | 0.22 | 47 |
IV.PLLN.EHZ. | 2020-12-27T11:36:55.95 | 0.6 | undecidable | manual | S | 28 | 17.871 | 119 | 0.68 | 44 |
IV.GIB.HHZ. | 2020-12-27T11:36:54.93 | 0.3 | undecidable | manual | S | 353 | 15.6732 | 122 | 0.33 | 73 |
IV.SCIAR.HNZ. | 2020-12-27T11:36:53.92 | 0.3 | undecidable | manual | P | 291 | 27.9498 | 50 | -0.16 | 74 |
IV.RESU.HHZ. | 2020-12-27T11:36:53.02 | 0.3 | undecidable | manual | P | 178 | 22.5552 | 113 | -0.1 | 76 |
IV.PETRA.HHZ. | 2020-12-27T11:36:52.22 | 0.3 | undecidable | manual | S | 107 | 6.1938 | 148 | 0.01 | 79 |
IV.PLLN.EHZ. | 2020-12-27T11:36:52.01 | 0.3 | undecidable | manual | P | 28 | 17.871 | 119 | -0.26 | 74 |
IV.CSLB.HHZ. | 2020-12-27T11:36:52.90 | 0.3 | undecidable | manual | S | 5 | 9.7791 | 135 | -0.09 | 78 |
IV.GIB.HHZ. | 2020-12-27T11:36:51.98 | 0.3 | undecidable | manual | P | 353 | 15.6732 | 122 | 0.09 | 77 |
IV.CSLB.HHZ. | 2020-12-27T11:36:50.70 | 0.1 | undecidable | manual | P | 5 | 9.7791 | 135 | -0.26 | 100 |
IV.PETRA.HHZ. | 2020-12-27T11:36:50.10 | 0.1 | undecidable | manual | P | 107 | 6.1938 | 148 | -0.41 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSLB.HHE. | ML:1.7 | 0.0006545000000000001 | 0.18 | AML | other | m | 2020-12-27T11:36:53.39 |
IV.CSLB.HHN. | ML:1.6 | 0.0005914136500000001 | 0.1792 | AML | other | m | 2020-12-27T11:36:53.32 |
IV.PETRA.HHN. | ML:2.0 | 0.0017900000000000001 | 0.36 | AML | other | m | 2020-12-27T11:36:53.72 |
IV.PETRA.HHE. | ML:2.0 | 0.001765 | 0.18 | AML | other | m | 2020-12-27T11:36:53.98 |
IV.GIB.HHN. | ML:1.6 | 0.0004111425 | 0.3392 | AML | other | m | 2020-12-27T11:36:58.60 |
IV.PLLN.EHN. | ML:1.7 | 0.00044088455 | 0.6208 | AML | other | m | 2020-12-27T11:36:55.98 |
IV.PLLN.EHE. | ML:1.5 | 0.0002343384 | 0.32 | AML | other | m | 2020-12-27T11:36:57.50 |
IV.RESU.HHN. | ML:2.2 | 0.0009755 | 0.6 | AML | other | m | 2020-12-27T11:36:59.79 |
IV.RESU.HHE. | ML:1.8 | 0.00039349999999999997 | 0.44 | AML | other | m | 2020-12-27T11:37:00.29 |
IV.GIB.HHE. | ML:1.6 | 0.00041283250000000003 | 0.4416 | AML | other | m | 2020-12-27T11:36:56.85 |