A magnitude ML 1.8 earthquake occured in region: 3 km S Troina (EN), on
and geographic coordinates (lat, lon) 37.7570, 14.6030 at 27 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 | 3 | 9373 | 9373 |
Gagliano Castelferrato | EN | 8 | 3593 | 12966 |
Cerami | EN | 10 | 2006 | 14972 |
Regalbuto | EN | 12 | 7277 | 22249 |
Agira | EN | 13 | 8345 | 30594 |
San Teodoro | ME | 13 | 1403 | 31997 |
CesarĂ² | ME | 14 | 2439 | 34436 |
Capizzi | ME | 15 | 3176 | 37612 |
Nissoria | EN | 18 | 3000 | 40612 |
Nicosia | EN | 18 | 13899 | 54511 |
Centuripe | EN | 19 | 5470 | 59981 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-04-23 14:34:53 |
37.757 | 14.6033 | 27 | 2020-07-18 21:08:39 |
Bollettino Sismico Italiano INGV | 79927841 |
Reviewed Rev100 |
ML 1.6 | 2020-04-23 14:34:52 |
37.7542 | 14.5363 | 28 | 2020-04-23 14:41:34 |
Sala Sismica INGV-Roma | 78504481 |
Field | Value |
---|---|
Time (UTC) | 2020-04-23 14:34:53 ± 0.29 |
Latitude | 37.7570 ± 0.0099 |
Longitude | 14.6033 ± 0.0216 |
Depth (km) | 27 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 79927841 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1582 |
Semi-minor axis of confidence ellipse (meter) | 1235 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 271 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.45 |
Epicentral distance of station closest to the epicenter (degree) | 0.05486 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70597 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 78504481 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-23 14:41:34 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 79927841 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-07-13 09:59:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SSY.HHZ. | 2020-04-23T14:35:17.25 | 0.6 | undecidable | manual | S | 148 | 78.366 | 103 | 0.19 | 44 |
IV.RAFF.HHZ. | 2020-04-23T14:35:14.52 | 0.6 | undecidable | manual | S | 200 | 62.9925 | 107 | 1.41 | 27 |
IV.HVZN.HNZ. | 2020-04-23T14:35:14.13 | 0.6 | undecidable | manual | S | 171 | 64.9905 | 106 | 0.52 | 42 |
IV.HLNI.HHZ. | 2020-04-23T14:35:10.05 | 0.6 | undecidable | manual | S | 152 | 51.1155 | 111 | -0.06 | 49 |
IV.MUCR.HHZ. | 2020-04-23T14:35:07.35 | 0.6 | undecidable | manual | S | 37 | 39.627 | 118 | 0.03 | 50 |
IV.SSY.HHZ. | 2020-04-23T14:35:06.37 | 0.1 | undecidable | manual | P | 148 | 78.366 | 103 | -0.61 | 82 |
IV.MSFR.HHZ. | 2020-04-23T14:35:06.09 | 0.6 | undecidable | manual | S | 358 | 30.747 | 126 | 0.79 | 43 |
IV.RAFF.HHZ. | 2020-04-23T14:35:04.81 | 0.1 | undecidable | manual | P | 200 | 62.9925 | 107 | 0.11 | 93 |
IV.HVZN.HNZ. | 2020-04-23T14:35:04.77 | 0.3 | undecidable | manual | P | 171 | 64.9905 | 106 | -0.22 | 70 |
IV.EPZF.HHZ. | 2020-04-23T14:35:04.39 | 0.6 | undecidable | manual | S | 71 | 23.4543 | 134 | 0.58 | 46 |
IV.PETRA.HHN. | 2020-04-23T14:35:03.18 | 0.6 | undecidable | manual | P | 281 | 43.623 | 115 | 1.27 | 32 |
IV.CSLB.HHZ. | 2020-04-23T14:35:02.61 | 0.3 | undecidable | manual | P | 293 | 51.8037 | 111 | -0.46 | 67 |
IV.HLNI.HHZ. | 2020-04-23T14:35:02.36 | 0.3 | undecidable | manual | P | 152 | 51.1155 | 111 | -0.61 | 65 |
IV.MUCR.HHZ. | 2020-04-23T14:35:01.25 | 0.1 | positive | manual | P | 37 | 39.627 | 118 | -0.1 | 98 |
IV.MSFR.HHZ. | 2020-04-23T14:35:00.14 | 0.1 | undecidable | manual | P | 358 | 30.747 | 126 | -0.05 | 100 |
IV.GALF.HHZ. | 2020-04-23T14:35:00.58 | 0.6 | undecidable | manual | S | 212 | 6.0939 | 166 | -0.84 | 41 |
IV.EMSG.HHN. | 2020-04-23T14:35:00.60 | 1.0 | undecidable | manual | P | 77 | 31.1466 | 125 | 0.35 | 24 |
IV.EPZF.HHZ. | 2020-04-23T14:34:59.63 | 0.1 | undecidable | manual | P | 71 | 23.4543 | 134 | 0.3 | 98 |
IV.CAGR.HHE. | 2020-04-23T14:34:59.24 | 0.3 | undecidable | manual | P | 211 | 17.4714 | 143 | 0.52 | 70 |
IV.GALF.HHZ. | 2020-04-23T14:34:57.11 | 0.1 | negative | manual | P | 212 | 6.0939 | 166 | -0.84 | 83 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.EPZF.HHE. | ML:1.8 | 0.00024851685 | 0.6592 | AML | other | m | 2020-04-23T14:35:05.52 |
IV.MUCR.HHN. | ML:1.6 | 0.000108 | 0.64 | AML | other | m | 2020-04-23T14:35:07.99 |
IV.MUCR.HHE. | ML:1.6 | 0.00011499999999999999 | 1.06 | AML | other | m | 2020-04-23T14:35:08.01 |
IV.EPZF.HHN. | ML:1.9 | 0.00032580665 | 0.4352 | AML | other | m | 2020-04-23T14:35:09.41 |
IV.HLNI.HHN. | ML:1.6 | 0.00008014669999999998 | 0.2368 | AML | other | m | 2020-04-23T14:35:11.15 |
IV.HLNI.HHE. | ML:1.6 | 0.000082159175 | 0.1984 | AML | other | m | 2020-04-23T14:35:11.38 |
IV.CPTP.HHE. | ML:2.1 | 0.0002375817 | 2.88 | AML | other | m | 2020-04-23T14:35:12.86 |
IV.SSY.HHN. | ML:2.8 | 0.00098419785 | 2.4448 | AML | other | m | 2020-04-23T14:35:24.60 |
IV.CPTP.HHN. | ML:2.0 | 0.0002243327 | 2.6816 | AML | other | m | 2020-04-23T14:35:32.95 |
IV.SSY.HHE. | ML:2.4 | 0.0003413984 | 1.216 | AML | other | m | 2020-04-23T14:35:32.57 |