A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4800, 15.2900 at 135 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 2.1 | 2020-08-04 17:23:51 |
38.4798 | 15.2898 | 135 | 2020-11-19 12:36:57 |
Bollettino Sismico Italiano INGV | 81848461 |
Reviewed Rev100 |
ML 2.1 | 2020-08-04 17:23:51 |
38.4993 | 15.2822 | 132 | 2020-08-04 17:35:38 |
Sala Sismica INGV-Roma | 81650121 |
Field | Value |
---|---|
Time (UTC) | 2020-08-04 17:23:51 ± 0.29 |
Latitude | 38.4798 ± 0.0261 |
Longitude | 15.2898 ± 0.0184 |
Depth (km) | 135 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 81848461 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2979 |
Semi-minor axis of confidence ellipse (meter) | 203 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 165 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 184 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.89932 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81650121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-04 17:35:38 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 81848461 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-10 15:05:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PLAC.HHZ. | 2020-08-04T17:24:30.57 | 0.3 | undecidable | manual | S | 92 | 99.8223 | 141 | 0.17 | 69 |
IV.SOI.EHZ. | 2020-08-04T17:24:28.35 | 0.6 | undecidable | manual | S | 124 | 80.364 | 147 | 0.43 | 45 |
MN.CEL.HHZ. | 2020-08-04T17:24:25.74 | 0.6 | undecidable | manual | S | 115 | 57.8976 | 155 | 0.18 | 50 |
IV.JOPP.HHZ. | 2020-08-04T17:24:24.81 | 0.6 | undecidable | manual | S | 75 | 53.6019 | 157 | -0.37 | 48 |
IV.ESML.HHZ. | 2020-08-04T17:24:24.35 | 3.0 | undecidable | manual | Sn | -4.81 | 0 | |||
IV.MSRU.HHZ. | 2020-08-04T17:24:23.29 | 0.6 | undecidable | manual | S | 142 | 30.5472 | 166 | -0.3 | 51 |
IV.IVUG.HHE. | 2020-08-04T17:24:23.64 | 0.3 | undecidable | manual | S | 251 | 27.9498 | 167 | 0.17 | 79 |
IV.MPNC.HHE. | 2020-08-04T17:24:23.89 | 0.6 | undecidable | manual | S | 172 | 37.3293 | 163 | -0.09 | 53 |
IV.PLAC.HHZ. | 2020-08-04T17:24:14.08 | 0.1 | negative | manual | P | 92 | 99.8223 | 141 | 0.33 | 89 |
XK.GIZZ.HHZ. | 2020-08-04T17:24:14.94 | 3.0 | negative | manual | P | 0.13 | 0 | |||
IV.ENIC.HHZ. | 2020-08-04T17:24:13.44 | 0.3 | undecidable | manual | P | 194 | 97.0251 | 141 | -0.09 | 70 |
IV.SOI.EHZ. | 2020-08-04T17:24:12.12 | 0.3 | undecidable | manual | P | 124 | 80.364 | 147 | -0.2 | 71 |
IV.NOV.HHZ. | 2020-08-04T17:24:11.02 | 0.3 | undecidable | manual | P | 195 | 51.9036 | 157 | 0.37 | 72 |
MN.CEL.HHZ. | 2020-08-04T17:24:10.53 | 0.3 | undecidable | manual | P | 115 | 57.8976 | 155 | -0.42 | 71 |
IV.JOPP.HHZ. | 2020-08-04T17:24:10.57 | 0.3 | undecidable | manual | P | 75 | 53.6019 | 157 | -0.16 | 75 |
IV.IVUG.HHE. | 2020-08-04T17:24:10.10 | 0.3 | undecidable | manual | P | 251 | 27.9498 | 167 | 0.35 | 76 |
IV.IVPL.HHE. | 2020-08-04T17:24:09.92 | 0.3 | undecidable | manual | P | 247 | 29.2485 | 167 | 0.14 | 79 |
IV.MSRU.HHZ. | 2020-08-04T17:24:09.44 | 0.1 | negative | manual | P | 142 | 30.5472 | 166 | -0.38 | 100 |
IV.MPNC.HHE. | 2020-08-04T17:24:09.92 | 0.3 | undecidable | manual | P | 172 | 37.3293 | 163 | -0.12 | 78 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MSRU.HHE. | ML:2.5 | 0.000185336265 | 1.616 | AML | other | m | 2020-08-04T17:24:24.94 |
IV.MSRU.HHN. | ML:2.3 | 0.00011947095 | 1.344 | AML | other | m | 2020-08-04T17:24:25.69 |
IV.JOPP.HHN. | ML:2.0 | 0.000059355555 | 0.9376 | AML | other | m | 2020-08-04T17:24:26.56 |
IV.JOPP.HHE. | ML:2.0 | 0.000058677024999999996 | 0.384 | AML | other | m | 2020-08-04T17:24:26.41 |
MN.CEL.HHN. | ML:2.0 | 0.000052018015000000003 | 0.768 | AML | other | m | 2020-08-04T17:24:27.12 |
IV.SOI.EHN. | ML:1.7 | 0.000026405169999999997 | 0.768 | AML | other | m | 2020-08-04T17:24:27.37 |
MN.CEL.HHE. | ML:2.0 | 0.00004993915 | 1.4624 | AML | other | m | 2020-08-04T17:24:29.85 |
IV.SOI.EHE. | ML:1.9 | 0.000036332415 | 1.4624 | AML | other | m | 2020-08-04T17:24:29.88 |
IV.PLAC.HHN. | ML:2.2 | 0.000057567375000000005 | 0.3328 | AML | other | m | 2020-08-04T17:24:31.81 |
IV.PLAC.HNN. | ML:2.2 | 0.000057758619999999994 | 0.3072 | AML | other | m | 2020-08-04T17:24:32.19 |
IV.PLAC.HHE. | ML:2.2 | 0.000065207585 | 0.4352 | AML | other | m | 2020-08-04T17:24:33.59 |
IV.PLAC.HNE. | ML:2.2 | 0.0000719988 | 0.6912 | AML | other | m | 2020-08-04T17:24:33.89 |