A magnitude ML 0.9 earthquake occured in region: 1 km N Marradi (FI), on
and geographic coordinates (lat, lon) 44.0860, 11.6120 at 7 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 |
---|---|---|---|---|
Marradi | FI | 1 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 6 | 1154 | 4293 |
Tredozio | FC | 11 | 1212 | 5505 |
Portico e San Benedetto | FC | 15 | 756 | 6261 |
Casola Valsenio | RA | 15 | 2617 | 8878 |
Modigliana | FC | 17 | 4560 | 13438 |
Castel del Rio | BO | 17 | 1246 | 14684 |
San Godenzo | FI | 18 | 1167 | 15851 |
Premilcuore | FC | 18 | 799 | 16650 |
Rocca San Casciano | FC | 19 | 1910 | 18560 |
Firenzuola | FI | 19 | 4726 | 23286 |
Fontanelice | BO | 20 | 1943 | 25229 |
Brisighella | RA | 20 | 7639 | 32868 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2024-02-28 08:25:46 |
44.0865 | 11.6123 | 7 | 2024-02-28 08:31:17 |
Sala Sismica INGV-Roma | 125588591 |
Field | Value |
---|---|
Time (UTC) | 2024-02-28 08:25:46 ± 0.12 |
Latitude | 44.0865 ± 0.0036 |
Longitude | 11.6123 ± 0.0050 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 125588591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 116 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 169 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 104 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.02338 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25900 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 125588591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-02-28 08:31:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHE. | 2024-02-28T08:25:56.66 | 0.3 | undecidable | manual | S | 197 | 28.749 | 103 | 0.02 | 72 |
IV.SFI.EHZ. | 2024-02-28T08:25:56.26 | 0.3 | undecidable | manual | S | 137 | 27.5502 | 104 | 0.04 | 72 |
IV.RINC.EHZ. | 2024-02-28T08:25:54.81 | 0.3 | undecidable | manual | S | 181 | 22.1556 | 107 | 0.37 | 68 |
IV.SEI.HHZ. | 2024-02-28T08:25:54.02 | 0.3 | undecidable | manual | S | 260 | 20.5683 | 108 | 0.13 | 72 |
IV.VISG.HHZ. | 2024-02-28T08:25:53.36 | 0.3 | undecidable | manual | S | 309 | 18.1707 | 110 | 0.25 | 70 |
IT.MOG.HNZ. | 2024-02-28T08:25:52.66 | 0.3 | undecidable | manual | S | 53 | 15.4734 | 113 | 0.43 | 68 |
IV.VMGN.HHZ. | 2024-02-28T08:25:52.89 | 0.3 | undecidable | manual | S | 203 | 15.9729 | 113 | 0.49 | 67 |
IV.SFI.EHZ. | 2024-02-28T08:25:51.80 | 0.1 | undecidable | manual | P | 137 | 27.5502 | 104 | -0.27 | 92 |
IV.BOSL.HHZ. | 2024-02-28T08:25:51.74 | 0.1 | undecidable | manual | P | 228 | 25.6521 | 105 | 0.03 | 97 |
IV.RUFI.EHE. | 2024-02-28T08:25:51.96 | 0.1 | undecidable | manual | P | 197 | 28.749 | 103 | -0.35 | 90 |
IV.RINC.EHZ. | 2024-02-28T08:25:51.07 | 0.1 | undecidable | manual | P | 181 | 22.1556 | 107 | 0.03 | 97 |
IV.VISG.HHZ. | 2024-02-28T08:25:50.17 | 0.1 | undecidable | manual | P | 309 | 18.1707 | 110 | -0.1 | 96 |
IV.SEI.HHZ. | 2024-02-28T08:25:50.45 | 0.1 | undecidable | manual | P | 260 | 20.5683 | 108 | -0.27 | 93 |
IV.VMGN.HHZ. | 2024-02-28T08:25:50.08 | 0.6 | undecidable | manual | P | 203 | 15.9729 | 113 | 0.22 | 47 |
IV.LMD.HHZ. | 2024-02-28T08:25:49.93 | 0.1 | undecidable | manual | S | 97 | 7.5813 | 131 | 0.01 | 100 |
IT.MOG.HNZ. | 2024-02-28T08:25:49.81 | 0.3 | undecidable | manual | P | 53 | 15.4734 | 113 | 0.05 | 74 |
IV.LMD.HHZ. | 2024-02-28T08:25:48.32 | 0.1 | undecidable | manual | P | 97 | 7.5813 | 131 | -0.11 | 98 |
IT.MRR.HGE. | 2024-02-28T08:25:48.65 | 0.1 | undecidable | manual | S | 196 | 2.5974 | 159 | -0.23 | 97 |
IT.MRR.HGE. | 2024-02-28T08:25:47.69 | 0.1 | undecidable | manual | P | 196 | 2.5974 | 159 | -0.14 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:0.7 | 0.00010159999999999999 | 0.88 | AML | other | m | 2024-02-28T08:25:50.48 |
IV.LMD.HHE. | ML:0.6 | 0.00008005000000000001 | 0.6 | AML | other | m | 2024-02-28T08:25:50.71 |
IV.SEI.HHE. | ML:1.0 | 0.00008675 | 0.4 | AML | other | m | 2024-02-28T08:25:54.43 |
IV.SEI.HHN. | ML:1.3 | 0.00014355000000000002 | 1.54 | AML | other | m | 2024-02-28T08:25:56.98 |