A magnitude ML 1.1 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on
and geographic coordinates (lat, lon) 38.1200, 13.9000 at 5 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 |
---|---|---|---|---|
Lascari | PA | 14 | 3588 | 3588 |
Cefalù | PA | 14 | 14393 | 17981 |
Campofelice di Roccella | PA | 14 | 7537 | 25518 |
Gratteri | PA | 18 | 963 | 26481 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-08-31 05:50:40 |
38.1205 | 13.8997 | 5 | 2021-12-29 11:12:53 |
Bollettino Sismico Italiano INGV | 98501211 |
Reviewed Rev100 |
ML 1.2 | 2021-08-31 05:50:40 |
38.1082 | 13.9148 | 11 | 2021-08-31 05:54:27 |
Sala Sismica INGV-Roma | 94853151 |
Field | Value |
---|---|
Time (UTC) | 2021-08-31 05:50:40 ± 0.21 |
Latitude | 38.1205 ± 0.0153 |
Longitude | 13.8997 ± 0.0069 |
Depth (km) | 5 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98501211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1326 |
Semi-minor axis of confidence ellipse (meter) | 1169 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 184 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.55128 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 98501211 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-14 10:30:48 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 94853151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-31 05:54:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IACL.HHE. | 2021-08-31T05:51:02.28 | 0.6 | undecidable | manual | S | 41 | 60.495 | 50 | 1.92 | 1 |
IV.HVIT.HHZ. | 2021-08-31T05:50:55.34 | 3.0 | negative | manual | P | -0.29 | 0 | |||
IV.IACL.HHE. | 2021-08-31T05:50:53.53 | 0.3 | undecidable | manual | P | 41 | 60.495 | 50 | 1.59 | 2 |
IV.MSFR.HHZ. | 2021-08-31T05:50:52.23 | 0.3 | undecidable | manual | P | 99 | 61.1943 | 50 | 0.19 | 2 |
IV.SOLUN.HHZ. | 2021-08-31T05:50:51.26 | 0.6 | undecidable | manual | S | 264 | 32.2455 | 99 | -0.5 | 47 |
IV.MPG.HHE. | 2021-08-31T05:50:49.72 | 0.3 | undecidable | manual | P | 276 | 47.3193 | 50 | -0.18 | 38 |
IV.PLLN.EHZ. | 2021-08-31T05:50:49.19 | 0.6 | undecidable | manual | S | 124 | 25.5522 | 102 | -0.3 | 49 |
IV.CSLB.HHZ. | 2021-08-31T05:50:48.57 | 0.6 | undecidable | manual | S | 146 | 24.5532 | 102 | -0.58 | 46 |
IV.SCIAR.HHZ. | 2021-08-31T05:50:48.97 | 0.6 | undecidable | manual | S | 213 | 23.8539 | 102 | 0.05 | 52 |
IV.GIB.HHZ. | 2021-08-31T05:50:47.33 | 0.6 | undecidable | manual | S | 143 | 18.1707 | 106 | 0.33 | 49 |
IV.SOLUN.HHZ. | 2021-08-31T05:50:47.04 | 0.3 | undecidable | manual | P | 264 | 32.2455 | 99 | 0.06 | 77 |
IV.PLLN.EHZ. | 2021-08-31T05:50:45.76 | 0.3 | undecidable | manual | P | 124 | 25.5522 | 102 | 0.09 | 77 |
IV.SCIAR.HHZ. | 2021-08-31T05:50:45.82 | 0.3 | undecidable | manual | P | 213 | 23.8539 | 102 | 0.48 | 71 |
IV.CSLB.HHZ. | 2021-08-31T05:50:45.22 | 0.1 | undecidable | manual | P | 146 | 24.5532 | 102 | -0.25 | 100 |
IV.GIB.HHZ. | 2021-08-31T05:50:44.50 | 0.1 | undecidable | manual | P | 143 | 18.1707 | 106 | 0.27 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GIB.HHE. | ML:1.3 | 0.00017999999999999998 | 0.5 | AML | other | m | 2021-08-31T05:50:49.23 |
IV.CSLB.HHN. | ML:0.9 | 0.000051949999999999996 | 0.7 | AML | other | m | 2021-08-31T05:50:49.21 |
IV.GIB.HHN. | ML:1.2 | 0.0001535 | 1.22 | AML | other | m | 2021-08-31T05:50:49.12 |
IV.SCIAR.HHN. | ML:1.1 | 0.00008705 | 0.24 | AML | other | m | 2021-08-31T05:50:49.98 |
IV.CSLB.HHE. | ML:0.9 | 0.0000538 | 1.56 | AML | other | m | 2021-08-31T05:50:50.14 |
IV.SCIAR.HHE. | ML:1.0 | 0.00006955 | 0.76 | AML | other | m | 2021-08-31T05:50:52.55 |