A magnitude ML 1.8 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on
and geographic coordinates (lat, lon) 38.1850, 13.6540 at 6 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 |
---|---|---|---|---|
Santa Flavia | PA | 16 | 11272 | 11272 |
Bagheria | PA | 17 | 55387 | 66659 |
Casteldaccia | PA | 18 | 11685 | 78344 |
Altavilla Milicia | PA | 18 | 8210 | 86554 |
Ficarazzi | PA | 20 | 12933 | 99487 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-08-10 11:42:06 |
38.1848 | 13.6542 | 6 | 2021-12-29 11:12:35 |
Bollettino Sismico Italiano INGV | 96363171 |
Reviewed Rev100 |
ML 1.8 | 2021-08-10 11:42:07 |
38.2027 | 13.6568 | 4 | 2021-08-10 12:04:17 |
Sala Sismica INGV-Roma | 93920841 |
Field | Value |
---|---|
Time (UTC) | 2021-08-10 11:42:06 ± 0.14 |
Latitude | 38.1848 ± 0.0108 |
Longitude | 13.6542 ± 0.0069 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96363171 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1141 |
Semi-minor axis of confidence ellipse (meter) | 472 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 200 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.13310 |
Epicentral distance of station farthest from the epicenter (degree) | 0.96947 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 96363171 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-17 09:53:14 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 93920841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-10 12:04:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.USI.HHE. | 2021-08-10T11:42:30.05 | 0.6 | undecidable | manual | S | 325 | 71.1732 | 50 | 0.59 | 14 |
IV.MUCR.HHZ. | 2021-08-10T11:42:26.03 | 0.6 | undecidable | manual | P | 98 | 107.6145 | 50 | 0.49 | 0 |
IV.MMGO.HHN. | 2021-08-10T11:42:23.19 | 1.0 | undecidable | manual | P | 226 | 82.9503 | 50 | 1.45 | 1 |
IV.MSFR.HHZ. | 2021-08-10T11:42:22.40 | 0.3 | undecidable | manual | P | 101 | 83.5497 | 50 | 0.57 | 3 |
IV.CSLB.HHZ. | 2021-08-10T11:42:22.02 | 0.6 | undecidable | manual | S | 128 | 44.7219 | 50 | -0.36 | 46 |
IV.CRJA.HHN. | 2021-08-10T11:42:21.10 | 0.6 | undecidable | manual | P | 233 | 70.9734 | 50 | 1.21 | 10 |
IV.GIB.HHZ. | 2021-08-10T11:42:20.80 | 0.6 | undecidable | manual | S | 124 | 39.0276 | 99 | 0.18 | 49 |
IV.IACL.HHE. | 2021-08-10T11:42:20.50 | 0.6 | undecidable | manual | P | 57 | 72.1722 | 50 | 0.42 | 13 |
IV.MBFT.HHN. | 2021-08-10T11:42:19.30 | 0.6 | undecidable | manual | P | 247 | 66.6777 | 50 | 0.07 | 22 |
IV.USI.HHE. | 2021-08-10T11:42:19.80 | 0.3 | undecidable | manual | P | 325 | 71.1732 | 50 | -0.13 | 23 |
IV.PETRA.HHZ. | 2021-08-10T11:42:18.03 | 0.6 | undecidable | manual | P | 134 | 55.9995 | 50 | 0.44 | 35 |
IV.PLLN.EHE. | 2021-08-10T11:42:16.56 | 1.0 | undecidable | manual | P | 116 | 47.7189 | 50 | 0.24 | 23 |
IV.CSLB.HHZ. | 2021-08-10T11:42:15.52 | 0.3 | undecidable | manual | P | 128 | 44.7219 | 50 | -0.33 | 70 |
IV.MPG.HHE. | 2021-08-10T11:42:15.66 | 0.6 | undecidable | manual | S | 264 | 25.752 | 104 | -0.45 | 46 |
IV.GIB.HHZ. | 2021-08-10T11:42:14.74 | 0.1 | undecidable | manual | P | 124 | 39.0276 | 99 | -0.09 | 100 |
IV.MPG.HHE. | 2021-08-10T11:42:12.15 | 0.3 | undecidable | manual | P | 264 | 25.752 | 104 | -0.08 | 75 |
IV.SOLUN.HHE. | 2021-08-10T11:42:12.70 | 0.6 | undecidable | manual | S | 226 | 14.7741 | 113 | 0.22 | 48 |
IV.SOLUN.HHE. | 2021-08-10T11:42:10.20 | 0.1 | undecidable | manual | P | 226 | 14.7741 | 113 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GIB.HHN. | ML:1.8 | 0.0002455 | 0.92 | AML | other | m | 2021-08-10T11:42:24.31 |
IV.GIB.HHE. | ML:2.0 | 0.00033299999999999996 | 0.44 | AML | other | m | 2021-08-10T11:42:24.69 |
IV.CSLB.HHN. | ML:1.5 | 0.0001007 | 1.06 | AML | other | m | 2021-08-10T11:42:26.75 |
IV.CSLB.HHE. | ML:1.5 | 0.0001001 | 1.78 | AML | other | m | 2021-08-10T11:42:26.02 |
IV.PETRA.HHE. | ML:1.8 | 0.00015076915000000003 | 0.384 | AML | other | m | 2021-08-10T11:42:28.40 |
IV.PETRA.HHN. | ML:1.9 | 0.00019700000000000002 | 0.4 | AML | other | m | 2021-08-10T11:42:29.91 |
IV.MUCR.HHN. | ML:1.8 | 0.000059499999999999996 | 1.48 | AML | other | m | 2021-08-10T11:42:44.76 |
IV.MUCR.HHE. | ML:1.7 | 0.0000446 | 0.66 | AML | other | m | 2021-08-10T11:42:45.74 |