A magnitude ML 1.6 earthquake occured in region: 6 km SE Cassaro (SR), on
and geographic coordinates (lat, lon) 37.0540, 14.9740 at 27 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 |
---|---|---|---|---|
Cassaro | SR | 6 | 821 | 821 |
Palazzolo Acreide | SR | 6 | 8808 | 9629 |
Ferla | SR | 8 | 2523 | 12152 |
Canicattini Bagni | SR | 8 | 7109 | 19261 |
Buscemi | SR | 9 | 1051 | 20312 |
Sortino | SR | 13 | 8690 | 29002 |
Buccheri | SR | 14 | 1999 | 31001 |
Solarino | SR | 14 | 8091 | 39092 |
Giarratana | RG | 16 | 3048 | 42140 |
Floridia | SR | 16 | 22762 | 64902 |
Monterosso Almo | RG | 19 | 3032 | 67934 |
Melilli | SR | 20 | 13621 | 81555 |
Noto | SR | 20 | 23913 | 105468 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-12-06 03:49:32 |
37.0545 | 14.9738 | 27 | 2022-03-30 13:04:21 |
Bollettino Sismico Italiano INGV | 98538561 |
Reviewed Rev100 |
ML 1.6 | 2021-12-06 03:49:32 |
37.0558 | 14.9735 | 27 | 2021-12-06 03:58:02 |
Sala Sismica INGV-Roma | 98200261 |
Field | Value |
---|---|
Time (UTC) | 2021-12-06 03:49:32 ± 0.12 |
Latitude | 37.0545 ± 0.0036 |
Longitude | 14.9738 ± 0.0045 |
Depth (km) | 27 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98538561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 509 |
Semi-minor axis of confidence ellipse (meter) | 87 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 135 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.13040 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36602 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 98538561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-15 07:18:44 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 98200261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-06 03:58:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVIT.HHZ. | 2021-12-06T03:49:46.84 | 0.1 | undecidable | manual | S | 260 | 40.626 | 117 | 0.01 | 97 |
IV.HLNI.HHZ. | 2021-12-06T03:49:44.82 | 0.3 | undecidable | manual | S | 345 | 33.8439 | 123 | -0.44 | 67 |
IV.HAGA.HHZ. | 2021-12-06T03:49:44.14 | 0.3 | undecidable | manual | S | 32 | 30.1476 | 126 | -0.31 | 69 |
IV.ISPIC.EHZ. | 2021-12-06T03:49:44.56 | 0.3 | undecidable | manual | S | 192 | 31.0467 | 125 | -0.08 | 73 |
IT.LNT.HGZ. | 2021-12-06T03:49:43.60 | 0.3 | undecidable | manual | S | 6 | 26.0517 | 131 | 0.01 | 74 |
IV.HVZN.HHZ. | 2021-12-06T03:49:43.95 | 0.3 | undecidable | manual | S | 301 | 26.6511 | 130 | 0.24 | 71 |
IV.HCRL.HHZ. | 2021-12-06T03:49:43.71 | 0.3 | undecidable | manual | S | 12 | 25.8519 | 131 | 0.15 | 72 |
IV.HMDC.HHZ. | 2021-12-06T03:49:42.20 | 0.1 | undecidable | manual | S | 238 | 19.9689 | 139 | -0.23 | 96 |
IV.HSRS.HHZ. | 2021-12-06T03:49:42.75 | 0.3 | undecidable | manual | S | 79 | 22.3554 | 136 | -0.13 | 73 |
IV.SSY.HHZ. | 2021-12-06T03:49:41.77 | 0.3 | undecidable | manual | S | 38 | 14.4744 | 149 | 0.2 | 73 |
IV.HVIT.HHZ. | 2021-12-06T03:49:40.70 | 0.1 | undecidable | manual | P | 260 | 40.626 | 117 | -0.06 | 96 |
IV.HAGA.HHZ. | 2021-12-06T03:49:39.34 | 0.1 | undecidable | manual | P | 32 | 30.1476 | 126 | -0.05 | 98 |
IV.ISPIC.EHZ. | 2021-12-06T03:49:39.53 | 0.1 | undecidable | manual | P | 192 | 31.0467 | 125 | 0.04 | 97 |
IT.LNT.HGZ. | 2021-12-06T03:49:39.11 | 0.3 | undecidable | manual | P | 6 | 26.0517 | 131 | 0.22 | 71 |
IV.HLNI.HHZ. | 2021-12-06T03:49:39.72 | 0.1 | undecidable | manual | P | 345 | 33.8439 | 123 | -0.13 | 95 |
IV.HVZN.HHZ. | 2021-12-06T03:49:39.11 | 0.1 | undecidable | manual | P | 301 | 26.6511 | 130 | 0.15 | 96 |
IV.HSRS.HHZ. | 2021-12-06T03:49:38.56 | 0.1 | undecidable | manual | P | 79 | 22.3554 | 136 | 0.08 | 98 |
IV.HCRL.HHZ. | 2021-12-06T03:49:38.99 | 0.1 | positive | manual | P | 12 | 25.8519 | 131 | 0.12 | 97 |
IV.HMDC.HHZ. | 2021-12-06T03:49:38.20 | 0.1 | positive | manual | P | 238 | 19.9689 | 139 | -0.02 | 100 |
IV.SSY.HHZ. | 2021-12-06T03:49:37.88 | 0.1 | positive | manual | P | 38 | 14.4744 | 149 | 0.16 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SSY.HNN. | ML:1.5 | 0.00015647379500000004 | 0.128 | AML | other | m | 2021-12-06T03:49:41.83 |
IV.SSY.HHN. | ML:2.0 | 0.00051548215 | 0.0992 | AML | other | m | 2021-12-06T03:49:41.82 |
IV.SSY.HNE. | ML:1.5 | 0.0001573845 | 1.8112 | AML | other | m | 2021-12-06T03:49:41.04 |
IV.HMDC.HNN. | ML:1.5 | 0.00013682345499999997 | 0.272 | AML | other | m | 2021-12-06T03:49:42.34 |
IV.HMDC.HHN. | ML:1.4 | 0.00010536842 | 0.1824 | AML | other | m | 2021-12-06T03:49:42.34 |
IV.HMDC.HHE. | ML:1.4 | 0.00010110454 | 0.1408 | AML | other | m | 2021-12-06T03:49:42.47 |
IV.HSRS.HHE. | ML:1.3 | 0.000083156645 | 0.24 | AML | other | m | 2021-12-06T03:49:43.19 |
IV.SSY.HHE. | ML:1.6 | 0.00018051820000000002 | 0.16 | AML | other | m | 2021-12-06T03:49:43.32 |
IV.HCRL.HHN. | ML:1.6 | 0.00015395 | 0.56 | AML | other | m | 2021-12-06T03:49:43.76 |
IV.HCRL.HHE. | ML:1.8 | 0.0002795 | 0.2 | AML | other | m | 2021-12-06T03:49:43.87 |
IV.HAGA.HHN. | ML:1.4 | 0.00008063913000000001 | 0.0576 | AML | other | m | 2021-12-06T03:49:44.63 |
IV.ISPIC.EHN. | ML:1.7 | 0.00016889833499999997 | 0.0832 | AML | other | m | 2021-12-06T03:49:44.65 |
IV.HAGA.HHE. | ML:1.4 | 0.00008835469500000002 | 0.0768 | AML | other | m | 2021-12-06T03:49:44.70 |
IV.ISPIC.EHE. | ML:1.6 | 0.00015588765 | 0.24 | AML | other | m | 2021-12-06T03:49:44.83 |
IV.HLNI.HHE. | ML:1.8 | 0.000219 | 0.16 | AML | other | m | 2021-12-06T03:49:45.01 |
IV.HLNI.HHN. | ML:1.7 | 0.00015 | 0.14 | AML | other | m | 2021-12-06T03:49:45.11 |