A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.5980, 15.4940 at 159 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 2.4 | 2021-05-11 18:16:49 |
38.5978 | 15.4937 | 159 | 2021-12-29 11:12:20 |
Bollettino Sismico Italiano INGV | 93999741 |
Reviewed Rev100 |
ML 2.3 | 2021-05-11 18:16:48 |
38.5957 | 15.4018 | 161 | 2021-05-11 18:26:37 |
Sala Sismica INGV-Roma | 89998971 |
Field | Value |
---|---|
Time (UTC) | 2021-05-11 18:16:49 ± 0.2 |
Latitude | 38.5978 ± 0.0126 |
Longitude | 15.4937 ± 0.0230 |
Depth (km) | 159 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 93999741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2119 |
Semi-minor axis of confidence ellipse (meter) | 630 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 119 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2120.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
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) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.30667 |
Epicentral distance of station farthest from the epicenter (degree) | 1.35618 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 89998971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-11 18:26:37 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 93999741 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-08-20 19:58:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CELI.HHZ. | 2021-05-11T18:17:36.28 | 0.6 | undecidable | manual | S | 44 | 124.986 | 139 | 0.23 | 43 |
IV.SERS.HNN. | 2021-05-11T18:17:34.81 | 0.6 | undecidable | manual | S | 64 | 114.0969 | 142 | 0.25 | 44 |
IV.CET2.HHZ. | 2021-05-11T18:17:33.76 | 0.3 | undecidable | manual | S | 21 | 110.6004 | 143 | -0.35 | 65 |
IV.PLAC.HHZ. | 2021-05-11T18:17:31.21 | 0.6 | undecidable | manual | S | 101 | 83.6496 | 150 | 0.31 | 46 |
IV.SOI.EHZ. | 2021-05-11T18:17:30.49 | 0.3 | undecidable | manual | S | 140 | 75.9684 | 153 | 0.38 | 69 |
MN.CEL.HHZ. | 2021-05-11T18:17:28.12 | 0.6 | undecidable | manual | S | 137 | 51.1155 | 161 | 0.1 | 51 |
IV.MSRU.HHZ. | 2021-05-11T18:17:27.16 | 0.3 | undecidable | manual | S | 178 | 37.0296 | 166 | 0 | 80 |
IV.SICLA.EHZ. | 2021-05-11T18:17:27.47 | 0.3 | undecidable | manual | S | 153 | 42.5241 | 164 | 0.01 | 79 |
IV.JOPP.HHZ. | 2021-05-11T18:17:26.73 | 0.3 | undecidable | manual | S | 88 | 34.0437 | 167 | -0.28 | 76 |
IV.PIPA.HHZ. | 2021-05-11T18:17:18.50 | 0.3 | undecidable | manual | P | 49 | 150.5382 | 134 | 0.09 | 63 |
IV.CELI.HHZ. | 2021-05-11T18:17:16.60 | 0.1 | undecidable | manual | P | 44 | 124.986 | 139 | 0.38 | 83 |
IV.GRIS.HNE. | 2021-05-11T18:17:16.76 | 0.3 | undecidable | manual | P | 14 | 130.4694 | 138 | 0.09 | 66 |
MN.TIP.HHZ. | 2021-05-11T18:17:16.30 | 0.1 | undecidable | manual | P | 59 | 126.873 | 139 | -0.08 | 89 |
IV.SERS.HNN. | 2021-05-11T18:17:15.41 | 0.1 | undecidable | manual | P | 64 | 114.0969 | 142 | 0.04 | 91 |
IV.CET2.HHZ. | 2021-05-11T18:17:15.03 | 0.1 | positive | manual | P | 21 | 110.6004 | 143 | -0.07 | 92 |
IV.PLAC.HHZ. | 2021-05-11T18:17:13.17 | 0.3 | undecidable | manual | P | 101 | 83.6496 | 150 | -0.08 | 73 |
IV.MUCR.HHE. | 2021-05-11T18:17:13.72 | 0.3 | undecidable | manual | P | 221 | 81.8514 | 151 | 0.57 | 64 |
IV.NOV.HHZ. | 2021-05-11T18:17:13.17 | 0.3 | undecidable | manual | P | 206 | 70.4739 | 155 | 0.68 | 63 |
IV.EPIT.HHZ. | 2021-05-11T18:17:13.72 | 1.0 | undecidable | manual | P | 204 | 95.238 | 147 | -0.28 | 23 |
IV.SOI.EHZ. | 2021-05-11T18:17:12.72 | 0.1 | undecidable | manual | P | 140 | 75.9684 | 153 | -0.08 | 98 |
IV.MTTG.HHZ. | 2021-05-11T18:17:12.60 | 0.1 | undecidable | manual | P | 165 | 68.376 | 155 | 0.22 | 96 |
MN.CEL.HHZ. | 2021-05-11T18:17:11.29 | 0.1 | negative | manual | P | 137 | 51.1155 | 161 | -0.3 | 98 |
IV.IVUG.HHZ. | 2021-05-11T18:17:11.84 | 0.3 | undecidable | manual | P | 243 | 49.4172 | 162 | 0.33 | 73 |
IV.MPNC.HHN. | 2021-05-11T18:17:11.36 | 0.6 | undecidable | manual | P | 194 | 51.5151 | 161 | -0.24 | 50 |
IV.FERC.HNN. | 2021-05-11T18:17:11.83 | 0.3 | undecidable | manual | P | 106 | 57.3981 | 159 | -0.02 | 77 |
IV.IVPL.HNE. | 2021-05-11T18:17:11.77 | 0.6 | undecidable | manual | P | 241 | 50.9157 | 161 | 0.2 | 50 |
IV.MSRU.HHZ. | 2021-05-11T18:17:10.62 | 0.1 | undecidable | manual | P | 178 | 37.0296 | 166 | -0.47 | 97 |
IV.JOPP.HHZ. | 2021-05-11T18:17:10.64 | 0.1 | undecidable | manual | P | 88 | 34.0437 | 167 | -0.36 | 100 |
IV.SICLA.EHZ. | 2021-05-11T18:17:10.77 | 0.1 | undecidable | manual | P | 153 | 42.5241 | 164 | -0.49 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CET2.HHE. | ML:2.2 | 0.0000569553 | 0.7936 | AML | other | m | 2021-05-11T18:17:30.52 |
IV.CET2.HHN. | ML:2.5 | 0.00009720476 | 0.32 | AML | other | m | 2021-05-11T18:17:35.40 |