A magnitude ML 3.1 earthquake occured in region: Malta [Sea], on
and geographic coordinates (lat, lon) 34.9120, 14.2710 at 10 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.
No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 3.1 | 2023-02-04 11:46:36 |
34.9122 | 14.2708 | 10 | 2024-03-01 17:18:15 |
Bollettino Sismico Italiano INGV | 120405401 |
Reviewed Rev100 |
ML 3.1 | 2023-02-04 11:46:36 |
34.901 | 14.3948 | 10 | 2023-02-04 12:01:21 |
Sala Sismica INGV-Roma | 114044031 |
Field | Value |
---|---|
Time (UTC) | 2023-02-04 11:46:36 ± 0.51 |
Latitude | 34.9122 ± 0.0261 |
Longitude | 14.2708 ± 0.0790 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 120405401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 7180 |
Semi-minor axis of confidence ellipse (meter) | 2930 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 7180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 328 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 1.00364 |
Epicentral distance of station farthest from the epicenter (degree) | 4.55057 |
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 | 3.1 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 114044031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-04 12:01:21 |
Field | Value |
---|---|
Value | 3.1 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 120405401 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2023-08-23 10:48:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.HAGA.HHE. | 2023-02-04T11:47:47.33 | 0.6 | undecidable | manual | S | 16 | 274.9137 | 38 | -0.53 | 19 |
IV.HLNI.HHZ. | 2023-02-04T11:47:46.93 | 0.6 | undecidable | manual | S | 11 | 275.613 | 38 | -1.08 | 15 |
IV.SERS.HHZ. | 2023-02-04T11:47:46.47 | 0.3 | undecidable | manual | P | 24 | 505.1166 | 38 | -0.03 | 19 |
IV.CROCE.HHE. | 2023-02-04T11:47:33.49 | 0.6 | undecidable | manual | S | 6 | 214.3188 | 38 | -1.33 | 21 |
IV.MSFR.HHZ. | 2023-02-04T11:47:27.32 | 0.3 | undecidable | manual | P | 5 | 347.4855 | 38 | 0.44 | 21 |
IV.AIO.HHZ. | 2023-02-04T11:47:27.30 | 0.6 | undecidable | manual | P | 14 | 350.0829 | 38 | 0.1 | 15 |
IV.EPZF.HHZ. | 2023-02-04T11:47:25.20 | 0.3 | undecidable | manual | P | 9 | 327.228 | 38 | 0.84 | 18 |
IV.CSLB.HHZ. | 2023-02-04T11:47:25.86 | 0.6 | undecidable | manual | P | 357 | 336.108 | 38 | 0.39 | 14 |
IV.CMDO.HHE. | 2023-02-04T11:47:20.59 | 0.6 | undecidable | manual | P | 352 | 285.9027 | 38 | 1.37 | 11 |
IV.HLNI.HHZ. | 2023-02-04T11:47:17.02 | 0.3 | undecidable | manual | P | 11 | 275.613 | 38 | -0.91 | 24 |
IV.HAGA.HHE. | 2023-02-04T11:47:17.21 | 0.3 | undecidable | manual | P | 16 | 274.9137 | 38 | -0.64 | 27 |
IV.HSRS.HHE. | 2023-02-04T11:47:16.62 | 0.6 | undecidable | manual | P | 19 | 256.5543 | 38 | 1.06 | 18 |
IV.RAFF.HHZ. | 2023-02-04T11:47:15.14 | 0.3 | undecidable | manual | P | 2 | 256.4544 | 38 | -0.41 | 35 |
IV.SSY.HHZ. | 2023-02-04T11:47:15.66 | 0.3 | undecidable | manual | P | 16 | 259.3404 | 38 | -0.25 | 35 |
IV.HMDC.HHE. | 2023-02-04T11:47:13.23 | 0.3 | undecidable | manual | P | 11 | 231.6903 | 38 | 0.76 | 37 |
IV.HAVL.HHE. | 2023-02-04T11:47:13.17 | 0.3 | undecidable | manual | P | 18 | 239.6823 | 38 | -0.29 | 41 |
ML.XLND.BHE. | 2023-02-04T11:47:12.86 | 0.6 | undecidable | manual | S | 358 | 124.3866 | 50 | 0.12 | 49 |
IV.HPAC.HHZ. | 2023-02-04T11:47:11.57 | 0.6 | undecidable | manual | P | 19 | 210.8334 | 38 | 1.69 | 18 |
ML.MSDA.BHE. | 2023-02-04T11:47:09.95 | 0.6 | undecidable | manual | S | 10 | 111.3996 | 50 | 0.67 | 44 |
IV.CROCE.HHE. | 2023-02-04T11:47:09.30 | 0.6 | undecidable | manual | P | 6 | 214.3188 | 38 | -1.01 | 25 |
ML.XLND.BHE. | 2023-02-04T11:46:57.46 | 0.1 | undecidable | manual | P | 358 | 124.3866 | 50 | -0.11 | 100 |
ML.MSDA.BHE. | 2023-02-04T11:46:55.64 | 0.3 | undecidable | manual | P | 10 | 111.3996 | 50 | 0.07 | 77 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RAFF.HHN. | ML:3.0 | 0.000188 | 0.46 | AML | other | m | 2023-02-04T11:47:53.44 |
IV.HLNI.HHE. | ML:3.0 | 0.0001425 | 0.6 | AML | other | m | 2023-02-04T11:47:54.29 |
IV.SSY.HHE. | ML:3.5 | 0.0006205000000000001 | 0.48 | AML | other | m | 2023-02-04T11:47:54.67 |
IV.SSY.HNE. | ML:3.3 | 0.0003765 | 0.4 | AML | other | m | 2023-02-04T11:47:55.53 |
IV.SSY.HNN. | ML:3.4 | 0.0004515 | 0.4 | AML | other | m | 2023-02-04T11:47:55.34 |
IV.SSY.HHN. | ML:3.9 | 0.00151 | 0.4 | AML | other | m | 2023-02-04T11:47:55.34 |
IV.RAFF.HHE. | ML:3.1 | 0.0002155 | 0.76 | AML | other | m | 2023-02-04T11:47:56.57 |
IV.HLNI.HHN. | ML:3.0 | 0.000156 | 1.04 | AML | other | m | 2023-02-04T11:47:58.35 |
IV.CSLB.HHN. | ML:2.6 | 0.00004095 | 0.98 | AML | other | m | 2023-02-04T11:48:08.07 |
IV.CSLB.HHE. | ML:2.7 | 0.00004545000000000001 | 0.86 | AML | other | m | 2023-02-04T11:48:13.36 |