A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4820, 15.4900 at 131 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2020-10-20 18:25:40 |
38.4822 | 15.4898 | 131 | 2021-02-26 14:56:11 |
Bollettino Sismico Italiano INGV | 85494451 |
Reviewed Rev100 |
ML 1.8 | 2020-10-20 18:25:40 |
38.4878 | 15.5053 | 131 | 2020-10-20 18:39:47 |
Sala Sismica INGV-Roma | 83961591 |
Field | Value |
---|---|
Time (UTC) | 2020-10-20 18:25:40 ± 0.18 |
Latitude | 38.4822 ± 0.0081 |
Longitude | 15.4898 ± 0.0161 |
Depth (km) | 131 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 85494451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1350 |
Semi-minor axis of confidence ellipse (meter) | 618 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 117 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 29 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.21854 |
Epicentral distance of station farthest from the epicenter (degree) | 1.28873 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 85494451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-01-04 18:36:22 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 83961591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-20 18:39:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GRIS.EHE. | 2020-10-20T18:26:25.74 | 0.6 | undecidable | manual | S | 13 | 143.0457 | 129 | 0.16 | 40 |
IV.CET2.HHZ. | 2020-10-20T18:26:22.06 | 0.3 | undecidable | manual | S | 19 | 122.7882 | 133 | -0.23 | 62 |
IV.SERS.HHZ. | 2020-10-20T18:26:22.21 | 0.6 | undecidable | manual | S | 59 | 120.4905 | 134 | 0.28 | 41 |
IV.CAR1.HHZ. | 2020-10-20T18:26:19.43 | 0.6 | undecidable | manual | S | 36 | 105.8163 | 138 | -0.3 | 42 |
IV.PLAC.HHZ. | 2020-10-20T18:26:16.63 | 0.3 | undecidable | manual | S | 92 | 82.4508 | 145 | 0.04 | 70 |
IV.SOI.EHN. | 2020-10-20T18:26:14.66 | 0.6 | undecidable | manual | S | 133 | 66.8775 | 151 | -0.15 | 47 |
IV.GMB.BHZ. | 2020-10-20T18:26:13.45 | 0.6 | undecidable | manual | S | 140 | 45.621 | 159 | 0.58 | 44 |
IV.MTTG.HHZ. | 2020-10-20T18:26:13.40 | 0.3 | undecidable | manual | S | 161 | 56.1993 | 155 | -0.36 | 69 |
IV.JOPP.HHZ. | 2020-10-20T18:26:12.40 | 0.3 | undecidable | manual | S | 68 | 37.0296 | 163 | 0.13 | 75 |
MN.CEL.HHZ. | 2020-10-20T18:26:12.70 | 0.3 | undecidable | manual | S | 125 | 42.9237 | 160 | 0.04 | 75 |
IV.MILZ.HHZ. | 2020-10-20T18:26:12.10 | 0.3 | undecidable | manual | S | 224 | 32.4453 | 165 | 0.11 | 76 |
IV.MSRU.HHZ. | 2020-10-20T18:26:11.50 | 0.3 | undecidable | manual | S | 176 | 24.2535 | 169 | -0.09 | 78 |
IV.GRIS.EHE. | 2020-10-20T18:26:06.25 | 0.6 | undecidable | manual | P | 13 | 143.0457 | 129 | -0.12 | 41 |
IV.CELI.HHE. | 2020-10-20T18:26:06.02 | 0.3 | undecidable | manual | P | 40 | 134.7651 | 131 | 0.45 | 58 |
IV.CET2.HHZ. | 2020-10-20T18:26:04.55 | 0.3 | undecidable | manual | P | 19 | 122.7882 | 133 | 0.08 | 64 |
IV.SERS.HHZ. | 2020-10-20T18:26:04.52 | 0.3 | undecidable | manual | P | 59 | 120.4905 | 134 | 0.26 | 62 |
IV.CAR1.HHZ. | 2020-10-20T18:26:02.66 | 0.6 | undecidable | manual | P | 36 | 105.8163 | 138 | -0.34 | 42 |
IV.PLAC.HHZ. | 2020-10-20T18:26:01.19 | 0.1 | undecidable | manual | P | 92 | 82.4508 | 145 | 0.01 | 94 |
IV.AIO.HHE. | 2020-10-20T18:26:00.35 | 0.3 | undecidable | manual | P | 202 | 60.8946 | 153 | 0.55 | 65 |
IV.SOI.EHN. | 2020-10-20T18:26:00.04 | 0.1 | undecidable | manual | P | 133 | 66.8775 | 151 | -0.11 | 95 |
IV.IVUG.HHZ. | 2020-10-20T18:25:59.10 | 0.3 | undecidable | manual | P | 258 | 44.8218 | 160 | 0.11 | 74 |
IV.MTTG.HHZ. | 2020-10-20T18:25:59.71 | 0.3 | undecidable | manual | P | 161 | 56.1993 | 155 | 0.17 | 72 |
IV.IVPL.HNZ. | 2020-10-20T18:25:59.27 | 0.6 | undecidable | manual | P | 255 | 45.8208 | 159 | 0.23 | 48 |
IV.GMB.BHZ. | 2020-10-20T18:25:59.15 | 0.3 | undecidable | manual | P | 140 | 45.621 | 159 | 0.12 | 74 |
IV.MILZ.HHZ. | 2020-10-20T18:25:58.35 | 0.1 | undecidable | manual | P | 224 | 32.4453 | 165 | -0.17 | 100 |
IV.JOPP.HHZ. | 2020-10-20T18:25:58.53 | 0.1 | undecidable | manual | P | 68 | 37.0296 | 163 | -0.15 | 100 |
IV.SICLA.EHZ. | 2020-10-20T18:25:58.05 | 1.0 | undecidable | manual | P | 142 | 31.746 | 165 | -0.46 | 24 |
MN.CEL.HHZ. | 2020-10-20T18:25:58.75 | 0.1 | positive | manual | P | 125 | 42.9237 | 160 | -0.16 | 98 |
IV.MSRU.HHZ. | 2020-10-20T18:25:57.92 | 0.1 | undecidable | manual | P | 176 | 24.2535 | 169 | -0.37 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSRU.HHE. | ML:1.8 | 0.000040616465000000004 | 1.6672 | AML | other | m | 2020-10-20T18:26:12.03 |
IV.JOPP.HHE. | ML:1.9 | 0.00004391952000000001 | 0.1408 | AML | other | m | 2020-10-20T18:26:12.84 |
IV.MILZ.HHN. | ML:2.1 | 0.000080529795 | 0.384 | AML | other | m | 2020-10-20T18:26:12.67 |
IV.MSRU.HHN. | ML:1.8 | 0.00003995629 | 0.192 | AML | other | m | 2020-10-20T18:26:12.92 |
MN.CEL.HHN. | ML:1.8 | 0.000035917279999999994 | 0.32 | AML | other | m | 2020-10-20T18:26:13.10 |
MN.CEL.HNN. | ML:1.9 | 0.000046620835 | 0.32 | AML | other | m | 2020-10-20T18:26:13.26 |
MN.CEL.HNE. | ML:1.8 | 0.000040735535000000006 | 0.2944 | AML | other | m | 2020-10-20T18:26:13.35 |
IV.JOPP.HHN. | ML:2.0 | 0.000055109405 | 0.1408 | AML | other | m | 2020-10-20T18:26:13.37 |
IV.MILZ.HHE. | ML:2.0 | 0.000067082425 | 0.32 | AML | other | m | 2020-10-20T18:26:13.80 |
MN.CEL.HHE. | ML:1.8 | 0.000034459145 | 0.3328 | AML | other | m | 2020-10-20T18:26:14.53 |
IV.PLAC.HHN. | ML:1.9 | 0.000034818675 | 1.5776 | AML | other | m | 2020-10-20T18:26:16.95 |
IV.PLAC.HNN. | ML:1.8 | 0.000028404475 | 1.6928 | AML | other | m | 2020-10-20T18:26:17.05 |
IV.PLAC.HNE. | ML:2.0 | 0.000045016975 | 1.6416 | AML | other | m | 2020-10-20T18:26:18.87 |
IV.PLAC.HHE. | ML:1.8 | 0.000030162309999999998 | 0.4224 | AML | other | m | 2020-10-20T18:26:19.49 |
IV.CAR1.HHN. | ML:1.7 | 0.00001837965 | 0.32 | AML | other | m | 2020-10-20T18:26:20.45 |
IV.CAR1.HHE. | ML:1.8 | 0.000026127705 | 0.32 | AML | other | m | 2020-10-20T18:26:20.83 |
IV.CET2.HHE. | ML:2.0 | 0.00003359627 | 1.5776 | AML | other | m | 2020-10-20T18:26:23.91 |
IV.CET2.HHN. | ML:2.2 | 0.00006250672 | 0.384 | AML | other | m | 2020-10-20T18:26:23.64 |
IV.SERS.HHE. | ML:1.4 | 0.0000098997645 | 0.32 | AML | other | m | 2020-10-20T18:26:24.15 |
IV.SERS.HHN. | ML:1.4 | 0.000008216019 | 0.2176 | AML | other | m | 2020-10-20T18:26:24.86 |