A magnitude ML 1.4 earthquake occured in region: 4 km S Canicattini Bagni (SR), on
and geographic coordinates (lat, lon) 37.0040, 15.0570 at 25 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 |
---|---|---|---|---|
Canicattini Bagni | SR | 4 | 7109 | 7109 |
Solarino | SR | 12 | 8091 | 15200 |
Floridia | SR | 12 | 22762 | 37962 |
Noto | SR | 12 | 23913 | 61875 |
Avola | SR | 13 | 31708 | 93583 |
Cassaro | SR | 15 | 821 | 94404 |
Palazzolo Acreide | SR | 15 | 8808 | 103212 |
Ferla | SR | 16 | 2523 | 105735 |
Buscemi | SR | 18 | 1051 | 106786 |
Sortino | SR | 18 | 8690 | 115476 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-08-31 01:33:13 |
37.0042 | 15.0573 | 25 | 2021-12-29 11:12:53 |
Bollettino Sismico Italiano INGV | 98468451 |
Reviewed Rev100 |
ML 1.4 | 2021-08-31 01:33:13 |
36.9997 | 15.0342 | 25 | 2021-08-31 01:36:25 |
Sala Sismica INGV-Roma | 94842521 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 01:33:13 ± 0.17 |
Latitude | 37.0042 ± 0.0045 |
Longitude | 15.0573 ± 0.0079 |
Depth (km) | 25 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98468451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 517 |
Semi-minor axis of confidence ellipse (meter) | 513 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 91 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.06835 |
Epicentral distance of station farthest from the epicenter (degree) | 0.59535 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94842521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 01:36:25 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98468451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-13 17:16:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HVIT.HHZ. | 2021-08-31T01:33:29.60 | 0.3 | undecidable | manual | S | 269 | 47.5191 | 111 | 0.33 | 66 |
IV.HLNI.HHZ. | 2021-08-31T01:33:27.09 | 0.6 | undecidable | manual | S | 337 | 41.5251 | 115 | -0.72 | 39 |
IV.HVZN.HHZ. | 2021-08-31T01:33:26.56 | 0.6 | undecidable | manual | S | 303 | 35.9418 | 119 | 0.1 | 47 |
IV.HPAC.HHE. | 2021-08-31T01:33:26.10 | 0.6 | undecidable | manual | S | 183 | 32.8449 | 121 | 0.34 | 45 |
IV.RAFF.HHZ. | 2021-08-31T01:33:25.58 | 0.1 | undecidable | manual | P | 292 | 66.0894 | 105 | 0.29 | 86 |
IV.HCRL.HHZ. | 2021-08-31T01:33:25.42 | 0.6 | undecidable | manual | S | 356 | 31.0467 | 123 | 0.08 | 48 |
IV.HAGA.HHZ. | 2021-08-31T01:33:25.63 | 0.6 | undecidable | manual | S | 15 | 32.3454 | 122 | -0.01 | 48 |
IV.ISPIC.EHZ. | 2021-08-31T01:33:24.16 | 0.6 | undecidable | manual | S | 209 | 28.3494 | 126 | -0.6 | 43 |
IV.HSRS.HHZ. | 2021-08-31T01:33:23.09 | 0.6 | undecidable | manual | S | 56 | 17.5713 | 141 | 0.43 | 45 |
IV.HVIT.HHZ. | 2021-08-31T01:33:22.54 | 0.3 | undecidable | manual | P | 269 | 47.5191 | 111 | -0.02 | 70 |
IV.SSY.HHZ. | 2021-08-31T01:33:22.77 | 0.6 | undecidable | manual | S | 5 | 17.0718 | 142 | 0.19 | 47 |
IV.HLNI.HHZ. | 2021-08-31T01:33:21.42 | 0.3 | undecidable | manual | P | 337 | 41.5251 | 115 | -0.3 | 67 |
IV.HAVL.HHZ. | 2021-08-31T01:33:21.43 | 0.6 | undecidable | manual | S | 131 | 7.5813 | 161 | 0.07 | 49 |
IV.HCRL.HHZ. | 2021-08-31T01:33:20.29 | 0.1 | undecidable | manual | P | 356 | 31.0467 | 123 | -0.01 | 97 |
IV.HAGA.HHZ. | 2021-08-31T01:33:20.33 | 0.3 | undecidable | manual | P | 15 | 32.3454 | 122 | -0.14 | 70 |
IV.HPAC.HHE. | 2021-08-31T01:33:20.50 | 0.1 | undecidable | manual | P | 183 | 32.8449 | 121 | -0.03 | 96 |
IV.HVZN.HHZ. | 2021-08-31T01:33:20.73 | 0.3 | undecidable | manual | P | 303 | 35.9418 | 119 | -0.21 | 69 |
IV.ISPIC.EHZ. | 2021-08-31T01:33:19.62 | 0.3 | undecidable | manual | P | 209 | 28.3494 | 126 | -0.34 | 68 |
IV.HAVL.HHZ. | 2021-08-31T01:33:18.01 | 0.1 | undecidable | manual | P | 131 | 7.5813 | 161 | 0.01 | 100 |
IV.SSY.HHZ. | 2021-08-31T01:33:18.76 | 0.1 | undecidable | manual | P | 5 | 17.0718 | 142 | 0.06 | 98 |
IV.HSRS.HHZ. | 2021-08-31T01:33:18.86 | 0.1 | undecidable | manual | P | 56 | 17.5713 | 141 | 0.11 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HAVL.HHE. | ML:1.5 | 0.000199 | 0.2 | AML | other | m | 2021-08-31T01:33:21.80 |
IV.HAVL.HHN. | ML:1.6 | 0.0002405 | 0.22 | AML | other | m | 2021-08-31T01:33:21.70 |
IV.SSY.HHE. | ML:1.6 | 0.000184 | 0.08 | AML | other | m | 2021-08-31T01:33:22.84 |
IV.SSY.HHN. | ML:1.7 | 0.00022999999999999998 | 0.86 | AML | other | m | 2021-08-31T01:33:24.46 |
IV.HCRL.HHE. | ML:1.4 | 0.00008295 | 0.18 | AML | other | m | 2021-08-31T01:33:25.58 |
IV.HCRL.HHN. | ML:1.1 | 0.00005105 | 0.5 | AML | other | m | 2021-08-31T01:33:25.84 |
IV.HLNI.HHN. | ML:1.0 | 0.0000318 | 0.76 | AML | other | m | 2021-08-31T01:33:28.02 |
IV.HLNI.HHE. | ML:1.1 | 0.00003295 | 0.58 | AML | other | m | 2021-08-31T01:33:28.66 |