A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on
and geographic coordinates (lat, lon) 38.4440, 15.2680 at 140 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.9 | 2023-07-31 12:13:05 |
38.4442 | 15.2682 | 140 | 2023-07-31 12:43:02 |
Sala Sismica INGV-Roma | 119731081 |
Field | Value |
---|---|
Time (UTC) | 2023-07-31 12:13:05 ± 0.67 |
Latitude | 38.4442 ± 0.1034 |
Longitude | 15.2682 ± 0.0367 |
Depth (km) | 140 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 119731081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 11393 |
Semi-minor axis of confidence ellipse (meter) | 1910 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 176 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 11390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 191 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.38 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.91551 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 119731081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-07-31 12:43:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RIBO.EHZ.01 | 2023-07-31T12:15:35.15 | 3.0 | undecidable | manual | Sn | -3.14 | 0 | |||
OX.SABO.HNZ. | 2023-07-31T12:15:22.89 | 3.0 | negative | manual | Pg | 26.629999 | 0 | |||
CR.STON.BHZ. | 2023-07-31T12:15:07.20 | 3.0 | undecidable | manual | Sn | -9.99 | 0 | |||
IV.BDI.HHZ. | 2023-07-31T12:15:05.96 | 3.0 | undecidable | manual | Pg | 24.49 | 0 | |||
IV.SGG.HNZ. | 2023-07-31T12:14:44.17 | 3.0 | undecidable | manual | Sg | 0.54 | 0 | |||
IV.FOSV.EHZ. | 2023-07-31T12:14:43.74 | 3.0 | undecidable | manual | Pg | 20.299999 | 0 | |||
IV.FDMO.HHZ. | 2023-07-31T12:14:22.45 | 3.0 | negative | manual | Pn | 3.21 | 0 | |||
IV.RCAV.EHZ. | 2023-07-31T12:14:22.79 | 3.0 | undecidable | manual | Pg | 17.42 | 0 | |||
OT.OT14.EHZ. | 2023-07-31T12:14:14.61 | 3.0 | undecidable | manual | Pg | 12.68 | 0 | |||
IV.HPAC.HHZ. | 2023-07-31T12:14:06.84 | 3.0 | undecidable | manual | Sn | 14.05 | 0 | |||
IV.GIUL.HHZ. | 2023-07-31T12:14:05.27 | 3.0 | positive | manual | Pn | 4.4 | 0 | |||
IV.PLAC.HHZ. | 2023-07-31T12:13:46.64 | 0.6 | undecidable | manual | S | 89 | 101.6205 | 141 | 0.38 | 40 |
IV.SOI.EHZ. | 2023-07-31T12:13:43.30 | 0.6 | undecidable | manual | S | 121 | 79.8645 | 148 | -0.25 | 44 |
IV.MRCB.HHZ. | 2023-07-31T12:13:41.30 | 0.6 | undecidable | manual | S | 129 | 49.1175 | 159 | 0.7 | 40 |
IV.MSRU.HHZ. | 2023-07-31T12:13:38.79 | 0.6 | undecidable | manual | S | 134 | 28.9488 | 167 | -0.57 | 44 |
IV.MGR.HHZ. | 2023-07-31T12:13:37.89 | 3.0 | positive | manual | Pn | -2.9 | 0 | |||
IV.PLAC.HHZ. | 2023-07-31T12:13:29.16 | 0.1 | negative | manual | P | 89 | 101.6205 | 141 | 0.04 | 87 |
IV.SOI.EHZ. | 2023-07-31T12:13:27.35 | 1.0 | positive | manual | P | 121 | 79.8645 | 148 | -0.2 | 22 |
IV.NOV.HHZ. | 2023-07-31T12:13:26.64 | 0.6 | positive | manual | P | 194 | 47.619 | 160 | 0.86 | 38 |
IV.IVUG.HHZ. | 2023-07-31T12:13:25.12 | 0.1 | undecidable | manual | P | 258 | 25.0527 | 169 | 0.09 | 100 |
IV.MRCB.HHZ. | 2023-07-31T12:13:25.62 | 0.6 | positive | manual | P | 129 | 49.1175 | 159 | -0.23 | 46 |
IV.IVPL.HHZ. | 2023-07-31T12:13:25.24 | 0.3 | negative | manual | P | 253 | 26.1516 | 169 | 0.18 | 73 |
IV.MSRU.HHZ. | 2023-07-31T12:13:24.54 | 0.1 | undecidable | manual | P | 134 | 28.9488 | 167 | -0.59 | 87 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PLAC.HHE. | ML:2.1 | 0.00004725 | 0.6 | AML | other | m | 2023-07-31T12:13:47.46 |
IV.PLAC.HHN. | ML:2.0 | 0.000035999999999999994 | 0.54 | AML | other | m | 2023-07-31T12:13:47.30 |
IV.MSRU.HHE. | ML:2.1 | 0.00007031748999999999 | 1.3632 | AML | other | m | 2023-07-31T12:13:30.25 |
IV.MSRU.HHN. | ML:1.8 | 0.000034694195 | 0.3392 | AML | other | m | 2023-07-31T12:13:39.96 |
IV.MRCB.HHE. | ML:1.8 | 0.000032729895 | 0.8384 | AML | other | m | 2023-07-31T12:13:42.37 |
IV.MRCB.HHN. | ML:1.8 | 0.000035383135 | 1.0368 | AML | other | m | 2023-07-31T12:13:39.74 |
IV.SOI.EHE. | ML:2.0 | 0.000039791480000000005 | 1.4976 | AML | other | m | 2023-07-31T12:13:48.96 |
IV.SOI.EHN. | ML:1.8 | 0.000028964259999999997 | 0.5376 | AML | other | m | 2023-07-31T12:13:45.80 |