A magnitude ML 3.1 earthquake occured in region: Malta [Sea], on
and geographic coordinates (lat, lon) 34.9010, 14.3950 at 10 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.
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 |
---|---|---|---|---|---|---|---|---|
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 ± 0.46 |
Latitude | 34.9010 ± 0.0261 |
Longitude | 14.3948 ± 0.0592 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114044031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 5540 |
Semi-minor axis of confidence ellipse (meter) | 2590 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 255 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 327 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 4.51999 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 15 |
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 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SCTE.HHZ. | 2023-02-04T11:48:59.23 | 3.0 | undecidable | manual | Sn | -0.64 | 0 | |||
IX.COL3.HHZ.02 | 2023-02-04T11:48:48.83 | 3.0 | undecidable | manual | Sn | -0.36 | 0 | |||
IV.HLNI.HHZ. | 2023-02-04T11:47:48.12 | 0.6 | undecidable | manual | S | 9 | 2.4758 | 38 | 0.12 | 23 |
IV.HAGA.HHE. | 2023-02-04T11:47:47.33 | 0.6 | undecidable | manual | S | 14 | 2.4605 | 38 | -0.29 | 22 |
IV.SERS.HHZ. | 2023-02-04T11:47:46.49 | 0.1 | undecidable | manual | P | 23 | 4.5200 | 38 | 0.26 | 26 |
IV.CROCE.HHE. | 2023-02-04T11:47:34.99 | 0.3 | undecidable | manual | S | 3 | 1.9335 | 38 | -0.04 | 55 |
IV.AIO.HHZ. | 2023-02-04T11:47:27.41 | 0.6 | negative | manual | P | 12 | 3.1413 | 38 | 0.23 | 16 |
IV.MSFR.HHZ. | 2023-02-04T11:47:27.46 | 0.1 | undecidable | manual | P | 3 | 3.1350 | 38 | 0.37 | 31 |
IV.CSLB.HHZ. | 2023-02-04T11:47:26.64 | 0.6 | positive | manual | P | 355 | 3.0469 | 38 | 0.77 | 14 |
IV.EPZF.HHZ. | 2023-02-04T11:47:24.81 | 0.1 | undecidable | manual | P | 7 | 2.9444 | 38 | 0.34 | 32 |
IV.CMDO.HHE. | 2023-02-04T11:47:20.64 | 0.1 | undecidable | manual | P | 350 | 2.6026 | 38 | 0.9 | 30 |
IV.HLNI.HHZ. | 2023-02-04T11:47:17.07 | 0.3 | negative | manual | P | 9 | 2.4758 | 38 | -0.92 | 26 |
IV.HAGA.HHE. | 2023-02-04T11:47:17.20 | 0.1 | undecidable | manual | P | 14 | 2.4605 | 38 | -0.57 | 41 |
IV.SSY.HHZ. | 2023-02-04T11:47:16.24 | 0.6 | negative | manual | P | 13 | 2.3211 | 38 | 0.39 | 25 |
IV.HSRS.HHE. | 2023-02-04T11:47:15.47 | 0.1 | undecidable | manual | P | 17 | 2.2906 | 38 | 0.05 | 56 |
IV.RAFF.HHZ. | 2023-02-04T11:47:14.99 | 0.1 | undecidable | manual | P | 359 | 2.3203 | 38 | -0.85 | 43 |
IV.HMDC.HHE. | 2023-02-04T11:47:13.24 | 0.1 | undecidable | manual | P | 9 | 2.0801 | 38 | 0.71 | 55 |
IV.HAVL.HHE. | 2023-02-04T11:47:13.32 | 0.1 | undecidable | manual | P | 16 | 2.1395 | 38 | -0.02 | 64 |
ML.XLND.BHE. | 2023-02-04T11:47:13.74 | 0.6 | undecidable | manual | S | 353 | 1.1394 | 50 | 0.28 | 52 |
IV.HPAC.HHZ. | 2023-02-04T11:47:11.53 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CROCE.HHE. | 2023-02-04T11:47:10.50 | 0.1 | undecidable | manual | P | 3 | 1.9335 | 38 | 0 | 74 |
ML.XLND.BHE. | 2023-02-04T11:46:57.58 | 0.1 | undecidable | manual | P | 353 | 1.1394 | 50 | -0.47 | 100 |
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 |