A magnitude ML 1.4 earthquake occured in region: 4 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9750, 11.7270 at 20 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Premilcuore | FC | 4 | 799 | 799 |
Portico e San Benedetto | FC | 7 | 756 | 1555 |
San Godenzo | FI | 10 | 1167 | 2722 |
Tredozio | FC | 12 | 1212 | 3934 |
Rocca San Casciano | FC | 13 | 1910 | 5844 |
Marradi | FI | 14 | 3139 | 8983 |
Santa Sofia | FC | 15 | 4136 | 13119 |
Galeata | FC | 15 | 2516 | 15635 |
Civitella di Romagna | FC | 17 | 3786 | 19421 |
Londa | FI | 18 | 1840 | 21261 |
Dicomano | FI | 19 | 5515 | 26776 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-02-13 19:29:36 |
43.9753 | 11.7267 | 20 | 2023-02-13 19:35:59 |
Sala Sismica INGV-Roma | 114420151 |
Field | Value |
---|---|
Time (UTC) | 2023-02-13 19:29:36 ± 0.21 |
Latitude | 43.9753 ± 0.0063 |
Longitude | 11.7267 ± 0.0087 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114420151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 770 |
Semi-minor axis of confidence ellipse (meter) | 351 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 239 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 74 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49283 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 114420151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-13 19:35:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2023-02-13T19:29:53.70 | 0.3 | undecidable | manual | S | 131 | 54.7008 | 102 | 0.1 | 70 |
IV.CRE.HHZ. | 2023-02-13T19:29:50.86 | 0.6 | undecidable | manual | S | 155 | 43.4232 | 107 | 0.17 | 47 |
Y1.T1756.HNZ. | 2023-02-13T19:29:48.33 | 0.3 | undecidable | manual | S | 73 | 31.3464 | 114 | 0.66 | 62 |
IV.IMOL.HNZ. | 2023-02-13T19:29:48.43 | 3.0 | undecidable | manual | S | -0.86 | 0 | |||
IV.BRIS.HHZ. | 2023-02-13T19:29:47.40 | 0.3 | undecidable | manual | S | 7 | 27.8499 | 118 | 0.59 | 65 |
IV.RUFI.EHZ. | 2023-02-13T19:29:46.05 | 0.6 | undecidable | manual | S | 229 | 23.0547 | 124 | 0.32 | 47 |
IV.PARC.HHZ. | 2023-02-13T19:29:45.90 | 0.1 | positive | manual | P | 131 | 54.7008 | 102 | -0.38 | 88 |
IV.CRE.HHZ. | 2023-02-13T19:29:44.54 | 0.6 | negative | manual | P | 155 | 43.4232 | 107 | -0.06 | 48 |
IV.VMGN.HHZ. | 2023-02-13T19:29:44.34 | 0.6 | undecidable | manual | S | 262 | 15.6732 | 137 | 0.13 | 50 |
IV.LMD.HHZ. | 2023-02-13T19:29:43.09 | 0.3 | undecidable | manual | S | 352 | 11.3775 | 146 | -0.41 | 71 |
IV.SFI.EHZ. | 2023-02-13T19:29:43.82 | 0.6 | undecidable | manual | S | 129 | 12.3765 | 144 | 0.17 | 49 |
IV.BRIS.HHZ. | 2023-02-13T19:29:42.43 | 0.3 | negative | manual | P | 7 | 27.8499 | 118 | 0.08 | 74 |
Y1.T1756.HNZ. | 2023-02-13T19:29:42.59 | 0.1 | undecidable | manual | P | 73 | 31.3464 | 114 | -0.25 | 95 |
IV.SEI.HHZ. | 2023-02-13T19:29:42.92 | 0.6 | undecidable | manual | P | 287 | 30.6471 | 115 | 0.18 | 48 |
IV.RUFI.EHZ. | 2023-02-13T19:29:41.90 | 0.3 | positive | manual | P | 229 | 23.0547 | 124 | 0.17 | 73 |
IV.VMGN.HHZ. | 2023-02-13T19:29:40.96 | 0.1 | undecidable | manual | P | 262 | 15.6732 | 137 | 0.11 | 100 |
IV.LMD.HHZ. | 2023-02-13T19:29:40.05 | 0.1 | undecidable | manual | P | 352 | 11.3775 | 146 | -0.4 | 95 |
IV.SFI.EHZ. | 2023-02-13T19:29:40.22 | 0.1 | undecidable | manual | P | 129 | 12.3765 | 144 | -0.31 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.7 | 0.00033899999999999995 | 0.32 | AML | other | m | 2023-02-13T19:29:43.41 |
IV.LMD.HHN. | ML:1.5 | 0.00021749999999999997 | 0.56 | AML | other | m | 2023-02-13T19:29:43.64 |
IV.SFI.EHE. | ML:1.6 | 0.00030300000000000005 | 0.44 | AML | other | m | 2023-02-13T19:29:43.43 |
IV.SFI.EHN. | ML:1.5 | 0.0002265 | 0.68 | AML | other | m | 2023-02-13T19:29:44.83 |
IV.BRIS.HHE. | ML:1.4 | 0.0000977 | 0.28 | AML | other | m | 2023-02-13T19:29:47.69 |
IV.BRIS.HHN. | ML:1.4 | 0.0001015 | 0.42 | AML | other | m | 2023-02-13T19:29:47.47 |
IV.CRE.HHN. | ML:1.2 | 0.0000427 | 0.22 | AML | other | m | 2023-02-13T19:29:51.17 |
IV.CRE.HHE. | ML:1.2 | 0.0000375 | 0.5 | AML | other | m | 2023-02-13T19:29:51.50 |
IV.PARC.HHE. | ML:0.8 | 0.000015348463 | 0.384 | AML | other | m | 2023-02-13T19:29:57.73 |
IV.PARC.HHN. | ML:1.1 | 0.000027524612 | 0.5888 | AML | other | m | 2023-02-13T19:29:56.82 |