A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4780, 15.4710 at 132 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 05:26:29 |
38.4782 | 15.4707 | 133 | 2021-02-26 14:56:06 |
Bollettino Sismico Italiano INGV | 84865241 |
Reviewed Rev100 |
ML 1.9 | 2020-10-20 05:26:29 |
38.4697 | 15.4753 | 132 | 2020-10-20 05:34:35 |
Sala Sismica INGV-Roma | 83943121 |
Field | Value |
---|---|
Time (UTC) | 2020-10-20 05:26:29 ± 0.18 |
Latitude | 38.4782 ± 0.0090 |
Longitude | 15.4707 ± 0.0138 |
Depth (km) | 133 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 84865241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1243 |
Semi-minor axis of confidence ellipse (meter) | 810 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 129 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1240.0 |
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 | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.21584 |
Epicentral distance of station farthest from the epicenter (degree) | 1.53784 |
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 | 1.8 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 84865241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-11-20 08:54:22 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 83943121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-20 05:34:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TIP.HHZ. | 2020-10-20T05:27:14.70 | 0.6 | undecidable | manual | S | 55 | 135.7641 | 131 | 0.37 | 42 |
IV.CET2.HHZ. | 2020-10-20T05:27:12.10 | 0.6 | undecidable | manual | S | 20 | 123.7872 | 134 | -0.32 | 44 |
IV.CAR1.HHZ. | 2020-10-20T05:27:09.90 | 0.6 | undecidable | manual | S | 36 | 107.2149 | 138 | -0.03 | 49 |
IV.PLAC.HHZ. | 2020-10-20T05:27:06.70 | 0.6 | undecidable | manual | S | 92 | 84.1491 | 145 | -0.13 | 50 |
IV.IVPL.HHZ. | 2020-10-20T05:27:03.20 | 0.6 | undecidable | manual | S | 255 | 44.1225 | 160 | 0.37 | 51 |
IV.MILZ.HHN. | 2020-10-20T05:27:02.30 | 0.6 | undecidable | manual | S | 222 | 30.9468 | 166 | 0.3 | 53 |
MN.CEL.HHZ. | 2020-10-20T05:27:02.70 | 0.6 | undecidable | manual | S | 123 | 44.0226 | 160 | -0.13 | 54 |
IV.JOPP.HHZ. | 2020-10-20T05:27:02.50 | 0.6 | undecidable | manual | S | 68 | 38.7279 | 162 | 0.04 | 55 |
IV.MSRU.HHZ. | 2020-10-20T05:27:01.30 | 0.6 | undecidable | manual | S | 172 | 23.9538 | 169 | -0.37 | 53 |
MN.CUC.HHE. | 2020-10-20T05:26:58.89 | 0.6 | undecidable | manual | P | 10 | 170.6958 | 124 | -0.09 | 40 |
IV.GRIS.HNE. | 2020-10-20T05:26:56.20 | 0.6 | undecidable | manual | P | 13 | 143.8449 | 129 | -0.1 | 44 |
MN.TIP.HHZ. | 2020-10-20T05:26:55.72 | 0.6 | undecidable | manual | P | 55 | 135.7641 | 131 | 0.2 | 44 |
IV.CET2.HHZ. | 2020-10-20T05:26:54.62 | 0.3 | undecidable | manual | P | 20 | 123.7872 | 134 | 0.2 | 68 |
IV.CAR1.HHZ. | 2020-10-20T05:26:52.89 | 0.6 | undecidable | manual | P | 36 | 107.2149 | 138 | -0.09 | 48 |
IV.PLAC.HHZ. | 2020-10-20T05:26:51.29 | 0.1 | negative | manual | P | 92 | 84.1491 | 145 | 0.1 | 100 |
MN.CEL.HHZ. | 2020-10-20T05:26:48.89 | 0.6 | undecidable | manual | P | 123 | 44.0226 | 160 | 0.01 | 55 |
IV.IVPL.HHZ. | 2020-10-20T05:26:48.66 | 0.6 | undecidable | manual | P | 255 | 44.1225 | 160 | -0.22 | 52 |
IV.JOPP.HHZ. | 2020-10-20T05:26:48.66 | 0.6 | undecidable | manual | P | 68 | 38.7279 | 162 | -0.01 | 55 |
IV.MILZ.HHN. | 2020-10-20T05:26:48.17 | 0.6 | undecidable | manual | P | 222 | 30.9468 | 166 | -0.23 | 54 |
IV.MSRU.HHZ. | 2020-10-20T05:26:48.21 | 0.6 | undecidable | manual | P | 172 | 23.9538 | 169 | 0 | 57 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
MN.CEL.HHN. | ML:1.8 | 0.000035260565000000003 | 0.2592 | AML | other | m | 2020-10-20T05:27:03.37 |
IV.JOPP.HHN. | ML:1.9 | 0.00004754179999999999 | 0.1184 | AML | other | m | 2020-10-20T05:27:03.45 |
IV.JOPP.HHE. | ML:1.8 | 0.000039262365 | 0.1376 | AML | other | m | 2020-10-20T05:27:04.29 |
MN.CEL.HHE. | ML:1.8 | 0.000036265785 | 0.3008 | AML | other | m | 2020-10-20T05:27:04.56 |
IV.PLAC.HHN. | ML:1.7 | 0.000022763345 | 0.4 | AML | other | m | 2020-10-20T05:27:07.02 |
IV.PLAC.HHE. | ML:1.8 | 0.00002838521 | 0.2176 | AML | other | m | 2020-10-20T05:27:08.57 |
IV.CAR1.HHE. | ML:1.9 | 0.000036803645000000004 | 0.2592 | AML | other | m | 2020-10-20T05:27:11.69 |
IV.CAR1.HHN. | ML:1.9 | 0.000033842609999999994 | 0.4192 | AML | other | m | 2020-10-20T05:27:11.57 |