A magnitude ML 1.4 (quarry blast) earthquake occured in region: 3 km NE Melilli (SR), on
and geographic coordinates (lat, lon) 37.1960, 15.1530 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: quarry blast.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 |
---|---|---|---|---|
Melilli | SR | 3 | 13621 | 13621 |
Priolo Gargallo | SR | 5 | 12091 | 25712 |
Augusta | SR | 7 | 36305 | 62017 |
Solarino | SR | 11 | 8091 | 70108 |
Sortino | SR | 11 | 8690 | 78798 |
Floridia | SR | 13 | 22762 | 101560 |
Carlentini | SR | 15 | 17798 | 119358 |
Lentini | SR | 17 | 24085 | 143443 |
Canicattini Bagni | SR | 20 | 7109 | 150552 |
Siracusa | SR | 20 | 122291 | 272843 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2020-11-05 07:34:35 |
37.196 | 15.1532 | 1 | 2021-02-26 14:56:06 |
Bollettino Sismico Italiano INGV | 84798851 |
Reviewed Rev100 |
ML 1.6 | 2020-11-05 07:34:35 |
37.2012 | 15.1678 | 9 | 2020-11-05 07:44:30 |
Sala Sismica INGV-Roma | 84465491 |
Field | Value |
---|---|
Time (UTC) | 2020-11-05 07:34:35 ± 0.11 |
Latitude | 37.1960 ± 0.0054 |
Longitude | 15.1532 ± 0.0102 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | quarry blast |
Origin ID | 84798851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 940 |
Semi-minor axis of confidence ellipse (meter) | 580 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 293 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 940.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23742 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.0 |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 84798851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-05 14:11:58 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 84465491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-11-05 07:44:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAVL.HHZ. | 2020-11-05T07:34:40.71 | 0.3 | undecidable | manual | P | 186 | 26.3514 | 91 | 0.04 | 96 |
IV.HCRL.HHZ. | 2020-11-05T07:34:38.14 | 0.3 | undecidable | manual | P | 312 | 14.3745 | 92 | -0.13 | 96 |
IV.AGST.EHN. | 2020-11-05T07:34:37.13 | 0.3 | undecidable | manual | P | 44 | 9.3795 | 93 | -0.14 | 97 |
IV.SSY.HHZ. | 2020-11-05T07:34:37.04 | 0.3 | undecidable | manual | P | 239 | 8.1807 | 93 | 0 | 100 |
IV.HAGA.HHZ. | 2020-11-05T07:34:37.60 | 0.3 | undecidable | manual | P | 1 | 9.879 | 93 | 0.23 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HCRL.HHE. | ML:1.4 | 0.0003195 | 0.24 | AML | other | m | 2020-11-05T07:34:44.58 |
IV.HAVL.HHE. | ML:1.4 | 0.00016949999999999997 | 0.26 | AML | other | m | 2020-11-05T07:34:51.44 |
IV.HAVL.HHN. | ML:1.4 | 0.00016099999999999998 | 1.34 | AML | other | m | 2020-11-05T07:34:52.23 |