A magnitude ML 1.7 earthquake occured in region: Costa Siciliana nord occidentale (Trapani), on
and geographic coordinates (lat, lon) 38.2730, 12.9150 at 11 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 |
---|---|---|---|---|
San Vito Lo Capo | TP | 19 | 4654 | 4654 |
Terrasini | PA | 20 | 12320 | 16974 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-02-16 15:28:40 |
38.2727 | 12.9152 | 11 | 2021-07-12 16:55:00 |
Bollettino Sismico Italiano INGV | 87598191 |
Reviewed Rev100 |
ML 1.8 | 2021-02-16 15:28:39 |
38.2788 | 12.9093 | 4 | 2021-02-16 15:41:52 |
Sala Sismica INGV-Roma | 87210911 |
Field | Value |
---|---|
Time (UTC) | 2021-02-16 15:28:40 ± 0.48 |
Latitude | 38.2727 ± 0.0153 |
Longitude | 12.9152 ± 0.0115 |
Depth (km) | 11 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 87598191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1471 |
Semi-minor axis of confidence ellipse (meter) | 1020 |
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) | 1470.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.32735 |
Epicentral distance of station farthest from the epicenter (degree) | 1.55223 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87598191 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-19 11:00:36 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 87210911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-16 15:41:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RAFF.HHE. | 2021-02-16T15:29:09.31 | 0.3 | undecidable | manual | P | 132 | 172.2942 | 50 | 0.57 | 64 |
IV.PETRA.HHE. | 2021-02-16T15:29:00.49 | 0.3 | undecidable | manual | P | 115 | 115.5954 | 50 | 0.5 | 79 |
IV.LEVAN.EHE. | 2021-02-16T15:28:59.49 | 0.3 | undecidable | manual | S | 238 | 58.6968 | 50 | 0.57 | 86 |
IV.CSLB.HHZ. | 2021-02-16T15:28:58.29 | 0.3 | undecidable | manual | P | 110 | 106.4157 | 50 | -0.3 | 84 |
IV.SOLUN.HHZ. | 2021-02-16T15:28:58.96 | 0.6 | undecidable | manual | S | 110 | 57.498 | 50 | 0.37 | 61 |
IV.CRJA.HHZ. | 2021-02-16T15:28:57.38 | 0.6 | undecidable | manual | S | 171 | 52.8027 | 50 | 0.02 | 66 |
IV.GIB.HHE. | 2021-02-16T15:28:57.99 | 0.3 | undecidable | manual | P | 108 | 101.8203 | 50 | 0.1 | 89 |
IV.SCIAC.HHE. | 2021-02-16T15:28:56.30 | 0.3 | undecidable | manual | P | 169 | 85.4478 | 50 | 0.95 | 70 |
IV.MTGR.HHZ. | 2021-02-16T15:28:54.80 | 0.6 | undecidable | manual | S | 198 | 44.2224 | 50 | -0.26 | 64 |
IV.ERC.EHZ. | 2021-02-16T15:28:53.00 | 0.6 | undecidable | manual | S | 228 | 38.7279 | 50 | -0.59 | 59 |
IV.MPG.HHZ. | 2021-02-16T15:28:53.38 | 0.6 | undecidable | manual | S | 107 | 40.626 | 50 | -0.74 | 55 |
IV.MBFT.HHZ. | 2021-02-16T15:28:53.27 | 0.6 | undecidable | manual | S | 175 | 36.3414 | 50 | 0.3 | 64 |
IV.USI.HHE. | 2021-02-16T15:28:51.01 | 0.3 | undecidable | manual | P | 25 | 53.4021 | 50 | 0.59 | 86 |
IV.SOLUN.HHZ. | 2021-02-16T15:28:50.40 | 0.3 | undecidable | manual | P | 110 | 57.498 | 50 | -0.64 | 84 |
IV.LEVAN.EHE. | 2021-02-16T15:28:50.82 | 0.3 | undecidable | manual | P | 238 | 58.6968 | 50 | -0.41 | 90 |
IV.CORL.HHE. | 2021-02-16T15:28:50.73 | 0.6 | undecidable | manual | P | 141 | 54.0015 | 50 | 0.23 | 63 |
IV.MFNL.HHE. | 2021-02-16T15:28:50.40 | 0.6 | undecidable | manual | P | 179 | 53.4021 | 50 | -0.02 | 66 |
IV.CRJA.HHZ. | 2021-02-16T15:28:50.98 | 0.3 | undecidable | manual | P | 171 | 52.8027 | 50 | 0.65 | 84 |
IV.MTGR.HHZ. | 2021-02-16T15:28:48.95 | 0.3 | undecidable | manual | P | 198 | 44.2224 | 50 | -0.05 | 100 |
IV.MBFT.HHZ. | 2021-02-16T15:28:47.53 | 0.3 | undecidable | manual | P | 175 | 36.3414 | 50 | -0.26 | 97 |
IV.ERC.EHZ. | 2021-02-16T15:28:47.58 | 0.3 | undecidable | manual | P | 228 | 38.7279 | 50 | -0.57 | 89 |
IV.MPG.HHZ. | 2021-02-16T15:28:47.43 | 0.3 | undecidable | manual | P | 107 | 40.626 | 50 | -1.02 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ERC.EHN. | ML:1.6 | 0.00014997254999999998 | 0.576 | AML | other | m | 2021-02-16T15:28:53.61 |
IV.ERC.EHE. | ML:1.6 | 0.00012579195 | 0.6272 | AML | other | m | 2021-02-16T15:28:53.46 |
IV.MBFT.HHE. | ML:2.0 | 0.000365 | 1.74 | AML | other | m | 2021-02-16T15:28:54.87 |
IV.MBFT.HHN. | ML:1.7 | 0.00018821315 | 0.5248 | AML | other | m | 2021-02-16T15:28:54.15 |
IV.MPG.HHN. | ML:1.8 | 0.00023643000000000004 | 0.2176 | AML | other | m | 2021-02-16T15:28:54.59 |
IV.MPG.HHE. | ML:1.4 | 0.00008606523 | 0.4608 | AML | other | m | 2021-02-16T15:28:54.50 |
IV.MTGR.HHE. | ML:1.7 | 0.00015970245 | 0.6272 | AML | other | m | 2021-02-16T15:28:55.60 |
IV.MTGR.HHN. | ML:1.8 | 0.00019512930000000002 | 0.4352 | AML | other | m | 2021-02-16T15:28:55.69 |
IV.CRJA.HHN. | ML:1.6 | 0.000106102695 | 0.3584 | AML | other | m | 2021-02-16T15:28:57.61 |
IV.SOLUN.HHN. | ML:1.8 | 0.00013959739999999999 | 0.2688 | AML | other | m | 2021-02-16T15:28:59.49 |
IV.CSLB.HHN. | ML:1.4 | 0.00002189536 | 0.7424 | AML | other | m | 2021-02-16T15:29:13.98 |
IV.CSLB.HHE. | ML:1.5 | 0.000027926634999999997 | 1.5648 | AML | other | m | 2021-02-16T15:29:17.82 |