A magnitude ML 1.2 earthquake occured in region: 5 km E Cassaro (SR), on
and geographic coordinates (lat, lon) 37.0990, 15.0010 at 14 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 | 5 | 821 | 821 |
Ferla | SR | 6 | 2523 | 3344 |
Sortino | SR | 8 | 8690 | 12034 |
Canicattini Bagni | SR | 9 | 7109 | 19143 |
Palazzolo Acreide | SR | 9 | 8808 | 27951 |
Buscemi | SR | 10 | 1051 | 29002 |
Solarino | SR | 11 | 8091 | 37093 |
Buccheri | SR | 14 | 1999 | 39092 |
Floridia | SR | 14 | 22762 | 61854 |
Melilli | SR | 14 | 13621 | 75475 |
Priolo Gargallo | SR | 18 | 12091 | 87566 |
Francofonte | SR | 18 | 12800 | 100366 |
Giarratana | RG | 19 | 3048 | 103414 |
Carlentini | SR | 20 | 17798 | 121212 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-07-17 20:59:41 |
37.0992 | 15.0007 | 14 | 2021-12-29 11:12:47 |
Bollettino Sismico Italiano INGV | 97175321 |
Reviewed Rev100 |
ML 1.2 | 2021-07-17 20:59:41 |
37.0917 | 14.9922 | 11 | 2021-07-17 21:07:35 |
Sala Sismica INGV-Roma | 92885821 |
Field | Value |
---|---|
Time (UTC) | 2021-07-17 20:59:41 ± 0.23 |
Latitude | 37.0992 ± 0.0081 |
Longitude | 15.0007 ± 0.0090 |
Depth (km) | 14 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97175321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 858 |
Semi-minor axis of confidence ellipse (meter) | 380 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 156 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 860.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.08274 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39660 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 97175321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-02 18:46:39 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 92885821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-17 21:07:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVIT.HHZ. | 2021-07-17T20:59:56.37 | 0.6 | undecidable | manual | S | 255 | 44.0226 | 96 | 0.74 | 38 |
IV.HLNI.HHZ. | 2021-07-17T20:59:51.98 | 0.6 | undecidable | manual | S | 338 | 29.9478 | 100 | 0.09 | 49 |
IV.HVZN.HHZ. | 2021-07-17T20:59:51.43 | 0.6 | undecidable | manual | S | 289 | 26.751 | 102 | 0.38 | 46 |
IV.HAGA.HHZ. | 2021-07-17T20:59:50.88 | 0.6 | undecidable | manual | S | 33 | 24.753 | 104 | 0.35 | 47 |
IV.HMDC.HHE. | 2021-07-17T20:59:49.78 | 0.6 | undecidable | manual | S | 231 | 24.753 | 104 | -0.76 | 41 |
IV.HVIT.HHZ. | 2021-07-17T20:59:49.45 | 0.3 | undecidable | manual | P | 255 | 44.0226 | 96 | -0.15 | 70 |
IV.HAVL.HHZ. | 2021-07-17T20:59:49.38 | 0.6 | undecidable | manual | S | 145 | 18.87 | 112 | 0.35 | 46 |
IV.HLNI.HHZ. | 2021-07-17T20:59:47.23 | 0.1 | undecidable | manual | P | 338 | 29.9478 | 100 | -0.22 | 93 |
IV.HVZN.HHZ. | 2021-07-17T20:59:47.34 | 0.3 | undecidable | manual | P | 289 | 26.751 | 102 | 0.38 | 68 |
IV.HMDC.HHE. | 2021-07-17T20:59:46.31 | 0.1 | undecidable | manual | P | 231 | 24.753 | 104 | -0.35 | 93 |
IV.SSY.HHZ. | 2021-07-17T20:59:46.69 | 0.6 | undecidable | manual | S | 45 | 9.1797 | 139 | -0.21 | 48 |
IV.HAGA.HHZ. | 2021-07-17T20:59:46.68 | 0.1 | undecidable | manual | P | 33 | 24.753 | 104 | 0.02 | 98 |
IV.HAVL.HHZ. | 2021-07-17T20:59:45.77 | 0.1 | undecidable | manual | P | 145 | 18.87 | 112 | -0.02 | 99 |
IV.SSY.HHZ. | 2021-07-17T20:59:44.55 | 0.1 | positive | manual | P | 45 | 9.1797 | 139 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HVZN.HHN. | ML:0.9 | 0.000047242908105 | 0.9056 | AML | other | m | 2021-07-17T20:59:24.05 |
IV.HAGA.HHN. | ML:1.1 | 0.00006536166 | 0.8224 | AML | other | m | 2021-07-17T20:59:45.73 |
IV.SSY.HHE. | ML:1.9 | 0.0007831760000000001 | 0.1024 | AML | other | m | 2021-07-17T20:59:47.37 |
IV.SSY.HHN. | ML:2.2 | 0.00158316 | 0.0896 | AML | other | m | 2021-07-17T20:59:47.95 |
IV.HAVL.HHN. | ML:1.2 | 0.00011382009 | 0.0768 | AML | other | m | 2021-07-17T20:59:50.41 |
IV.HAVL.HHE. | ML:1.2 | 0.00011250374500000001 | 0.192 | AML | other | m | 2021-07-17T20:59:50.84 |
IV.HAGA.HHE. | ML:1.1 | 0.000077404035 | 0.192 | AML | other | m | 2021-07-17T20:59:51.19 |
IV.HVZN.HHE. | ML:1.4 | 0.00013805424999999998 | 1.7056 | AML | other | m | 2021-07-17T20:59:52.95 |
IV.HLNI.HHE. | ML:0.9 | 0.000042302974999999996 | 0.1152 | AML | other | m | 2021-07-17T20:59:53.12 |
IV.HVZN.HNE. | ML:1.4 | 0.00012764627 | 1.6544 | AML | other | m | 2021-07-17T20:59:55.00 |
IV.HVZN.HNN. | ML:1.4 | 0.00012786415499999997 | 0.5504 | AML | other | m | 2021-07-17T20:59:56.77 |
IV.HLNI.HHN. | ML:0.9 | 0.00003312768200000001 | 0.64 | AML | other | m | 2021-07-17T21:00:03.55 |