A magnitude ML 1.6 earthquake occured in region: 5 km SE Troina (EN), on
and geographic coordinates (lat, lon) 37.7430, 14.6210 at 23 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 |
---|---|---|---|---|
Troina | EN | 5 | 9373 | 9373 |
Gagliano Castelferrato | EN | 8 | 3593 | 12966 |
Regalbuto | EN | 10 | 7277 | 20243 |
Cerami | EN | 13 | 2006 | 22249 |
Agira | EN | 13 | 8345 | 30594 |
San Teodoro | ME | 14 | 1403 | 31997 |
CesarĂ² | ME | 14 | 2439 | 34436 |
Centuripe | EN | 17 | 5470 | 39906 |
Capizzi | ME | 17 | 3176 | 43082 |
Nissoria | EN | 18 | 3000 | 46082 |
Bronte | CT | 19 | 19172 | 65254 |
Nicosia | EN | 20 | 13899 | 79153 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-04-17 15:55:17 |
37.7428 | 14.6213 | 23 | 2020-07-18 21:08:35 |
Bollettino Sismico Italiano INGV | 78857901 |
Reviewed Rev100 |
ML 1.8 | 2020-04-17 15:55:17 |
37.7543 | 14.6052 | 26 | 2020-04-17 16:02:42 |
Sala Sismica INGV-Roma | 78324321 |
Field | Value |
---|---|
Time (UTC) | 2020-04-17 15:55:17 ± 0.28 |
Latitude | 37.7428 ± 0.0090 |
Longitude | 14.6213 ± 0.0250 |
Depth (km) | 23 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 78857901 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1727 |
Semi-minor axis of confidence ellipse (meter) | 1414 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 283 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1730.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 122 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.47 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68618 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 78857901 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-05-05 08:44:15 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 78324321 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-17 16:02:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSY.HHZ. | 2020-04-17T15:55:41.35 | 0.3 | undecidable | manual | S | 148 | 76.1682 | 101 | 0.68 | 60 |
IV.MEU.EHZ. | 2020-04-17T15:55:40.16 | 0.3 | undecidable | manual | S | 165 | 72.4719 | 101 | 0.46 | 66 |
IV.SOI.EHZ. | 2020-04-17T15:55:37.46 | 3.0 | positive | manual | P | -0.75 | 0 | |||
IV.HLNI.HHZ. | 2020-04-17T15:55:33.80 | 0.3 | undecidable | manual | S | 153 | 49.0176 | 108 | 0.17 | 73 |
IV.MUCR.HHZ. | 2020-04-17T15:55:31.45 | 0.3 | undecidable | manual | S | 34 | 39.9267 | 112 | 0.09 | 75 |
IV.SSY.HHZ. | 2020-04-17T15:55:30.33 | 0.1 | undecidable | manual | P | 148 | 76.1682 | 101 | -0.59 | 84 |
IV.MSFR.HHZ. | 2020-04-17T15:55:30.19 | 0.3 | undecidable | manual | S | 355 | 32.3454 | 118 | 0.66 | 66 |
IV.MEU.EHZ. | 2020-04-17T15:55:29.76 | 0.1 | undecidable | manual | P | 165 | 72.4719 | 101 | -0.6 | 84 |
IV.RAFF.HHZ. | 2020-04-17T15:55:29.22 | 0.1 | undecidable | manual | P | 202 | 62.0934 | 103 | 0.43 | 90 |
IV.HLNI.HHZ. | 2020-04-17T15:55:26.25 | 0.3 | undecidable | manual | P | 153 | 49.0176 | 108 | -0.6 | 66 |
IV.MUCR.HHZ. | 2020-04-17T15:55:25.24 | 0.1 | positive | manual | P | 34 | 39.9267 | 112 | -0.31 | 97 |
IV.ESML.HHZ. | 2020-04-17T15:55:25.43 | 3.0 | undecidable | manual | S | -0.29 | 0 | |||
IV.MSFR.HHZ. | 2020-04-17T15:55:24.30 | 0.1 | negative | manual | P | 355 | 32.3454 | 118 | -0.19 | 100 |
IV.GALF.HHZ. | 2020-04-17T15:55:24.71 | 0.3 | undecidable | manual | S | 233 | 5.994 | 164 | -0.12 | 79 |
IV.EPZF.HHZ. | 2020-04-17T15:55:23.64 | 0.3 | undecidable | manual | P | 66 | 22.5552 | 129 | 0.42 | 72 |
IV.CAGR.HHE. | 2020-04-17T15:55:23.38 | 0.3 | undecidable | manual | P | 219 | 17.1717 | 138 | 0.76 | 66 |
IV.GALF.HHZ. | 2020-04-17T15:55:21.23 | 0.1 | negative | manual | P | 233 | 5.994 | 164 | -0.54 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GALF.HHN. | ML:1.9 | 0.0005755000000000001 | 1.72 | AML | other | m | 2020-04-17T15:55:25.95 |
IV.GALF.HHE. | ML:1.9 | 0.000531 | 1.38 | AML | other | m | 2020-04-17T15:55:27.15 |
IV.MSFR.HHE. | ML:1.1 | 0.000043049999999999996 | 0.82 | AML | other | m | 2020-04-17T15:55:30.25 |
IV.MSFR.HHN. | ML:1.0 | 0.000039649999999999995 | 1.38 | AML | other | m | 2020-04-17T15:55:31.74 |
IV.MUCR.HHN. | ML:1.6 | 0.0001095 | 1.32 | AML | other | m | 2020-04-17T15:55:31.27 |
IV.MUCR.HHE. | ML:1.6 | 0.0001225 | 1.22 | AML | other | m | 2020-04-17T15:55:32.08 |
IV.HLNI.HHE. | ML:1.6 | 0.0000839 | 0.72 | AML | other | m | 2020-04-17T15:55:34.34 |
IV.HLNI.HHN. | ML:1.6 | 0.0000872 | 0.28 | AML | other | m | 2020-04-17T15:55:35.48 |
IV.RAFF.HHN. | ML:1.6 | 0.0000814 | 1.28 | AML | other | m | 2020-04-17T15:55:42.14 |
IV.RAFF.HHE. | ML:1.8 | 0.0001027 | 1.06 | AML | other | m | 2020-04-17T15:55:42.16 |