A magnitude ML 1.6 earthquake occured in region: 6 km E Rosolini (SR), on
and geographic coordinates (lat, lon) 36.8050, 15.0170 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 |
---|---|---|---|---|
Rosolini | SR | 6 | 21427 | 21427 |
Ispica | RG | 10 | 16061 | 37488 |
Noto | SR | 11 | 23913 | 61401 |
Pachino | SR | 12 | 22205 | 83606 |
Avola | SR | 16 | 31708 | 115314 |
Portopalo di Capo Passero | SR | 17 | 3887 | 119201 |
Pozzallo | RG | 17 | 19552 | 138753 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-04-17 12:23:50 |
36.8047 | 15.0167 | 6 | 2021-07-12 16:55:08 |
Bollettino Sismico Italiano INGV | 89557131 |
Reviewed Rev100 |
ML 1.6 | 2021-04-17 12:23:50 |
36.8032 | 15.0182 | 7 | 2021-04-17 12:33:55 |
Sala Sismica INGV-Roma | 89175131 |
Field | Value |
---|---|
Time (UTC) | 2021-04-17 12:23:50 ± 0.12 |
Latitude | 36.8047 ± 0.0054 |
Longitude | 15.0167 ± 0.0079 |
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 | 89557131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 709 |
Semi-minor axis of confidence ellipse (meter) | 518 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 136 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 710.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
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) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.09353 |
Epicentral distance of station farthest from the epicenter (degree) | 0.66820 |
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 | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 89557131 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-18 14:10:59 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 89175131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-17 12:33:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HLNI.HHZ. | 2021-04-17T12:24:10.80 | 0.6 | undecidable | manual | S | 348 | 61.6938 | 50 | 0.17 | 45 |
IV.HCRL.HHN. | 2021-04-17T12:24:09.07 | 0.3 | undecidable | manual | S | 2 | 53.1024 | 50 | 0.73 | 58 |
IV.HAGA.HHZ. | 2021-04-17T12:24:08.72 | 0.3 | undecidable | manual | S | 13 | 54.7008 | 50 | -0.05 | 70 |
IV.HVIT.HHE. | 2021-04-17T12:24:07.06 | 0.3 | undecidable | manual | S | 296 | 48.618 | 50 | -0.09 | 70 |
IV.SSY.HHZ. | 2021-04-17T12:24:05.05 | 0.3 | undecidable | manual | S | 7 | 39.5271 | 99 | 0.54 | 65 |
IV.RAFF.HHZ. | 2021-04-17T12:24:04.64 | 0.3 | undecidable | manual | P | 309 | 74.1702 | 50 | 0.53 | 61 |
IV.HSRS.HHE. | 2021-04-17T12:24:03.37 | 0.3 | undecidable | manual | S | 30 | 36.8298 | 100 | -0.22 | 70 |
IV.HLNI.HHZ. | 2021-04-17T12:24:01.98 | 0.3 | undecidable | manual | P | 348 | 61.6938 | 50 | -0.2 | 67 |
IV.HAGA.HHZ. | 2021-04-17T12:24:01.63 | 0.3 | undecidable | manual | P | 13 | 54.7008 | 50 | 0.52 | 63 |
IV.HMDC.HHE. | 2021-04-17T12:24:00.12 | 0.6 | undecidable | manual | S | 310 | 26.8509 | 103 | -0.1 | 49 |
IV.HCRL.HHN. | 2021-04-17T12:24:00.61 | 0.3 | undecidable | manual | P | 2 | 53.1024 | 50 | -0.25 | 67 |
IV.HVIT.HHE. | 2021-04-17T12:23:59.48 | 0.1 | undecidable | manual | P | 296 | 48.618 | 50 | -0.69 | 80 |
IV.SSY.HHZ. | 2021-04-17T12:23:58.41 | 0.3 | undecidable | manual | P | 7 | 39.5271 | 99 | -0.24 | 69 |
IV.HSRS.HHE. | 2021-04-17T12:23:57.71 | 0.3 | undecidable | manual | P | 30 | 36.8298 | 100 | -0.41 | 67 |
IV.HAVL.HHZ. | 2021-04-17T12:23:57.92 | 0.3 | undecidable | manual | S | 29 | 19.5693 | 108 | 0.15 | 73 |
IV.HPAC.HHZ. | 2021-04-17T12:23:55.19 | 0.3 | undecidable | manual | S | 170 | 10.7781 | 120 | 0.22 | 73 |
IV.ISPIC.HNZ. | 2021-04-17T12:23:55.31 | 0.3 | undecidable | manual | S | 255 | 10.3785 | 121 | 0.45 | 70 |
IV.HMDC.HHE. | 2021-04-17T12:23:55.71 | 0.1 | undecidable | manual | P | 310 | 26.8509 | 103 | -0.46 | 90 |
IV.HAVL.HHZ. | 2021-04-17T12:23:54.65 | 0.1 | undecidable | manual | P | 29 | 19.5693 | 108 | -0.11 | 98 |
IV.HPAC.HHZ. | 2021-04-17T12:23:53.05 | 0.1 | undecidable | manual | P | 170 | 10.7781 | 120 | -0.09 | 100 |
IV.ISPIC.HNZ. | 2021-04-17T12:23:53.20 | 0.1 | undecidable | manual | P | 255 | 10.3785 | 121 | 0.12 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.HPAC.HHE. | ML:1.9 | 0.0012850000000000001 | 0.26 | AML | other | m | 2021-04-17T12:23:55.34 |
IV.HPAC.HHN. | ML:1.5 | 0.00041849815 | 0.3584 | AML | other | m | 2021-04-17T12:23:55.47 |
IV.ISPIC.HNN. | ML:1.7 | 0.0007544770499999999 | 0.1664 | AML | other | m | 2021-04-17T12:23:55.38 |
IV.ISPIC.EHN. | ML:1.7 | 0.0007365 | 0.16 | AML | other | m | 2021-04-17T12:23:55.38 |
IV.ISPIC.HNE. | ML:1.5 | 0.00052060325 | 0.2496 | AML | other | m | 2021-04-17T12:23:55.40 |
IV.ISPIC.EHE. | ML:1.4 | 0.00035299999999999996 | 0.06 | AML | other | m | 2021-04-17T12:23:55.52 |
IV.HAVL.HHE. | ML:1.6 | 0.00032052865 | 0.32 | AML | other | m | 2021-04-17T12:23:58.11 |
IV.HAVL.HHN. | ML:1.7 | 0.00041535289999999994 | 0.2368 | AML | other | m | 2021-04-17T12:23:58.33 |
IV.HLNI.HHE. | ML:1.3 | 0.000041470305 | 0.8384 | AML | other | m | 2021-04-17T12:24:11.08 |