A magnitude ML 0.9 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.6350 at 8 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
Modigliana | FC | 16 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-12-18 08:02:13 |
44.0712 | 11.6353 | 8 | 2023-12-18 08:09:14 |
Sala Sismica INGV-Roma | 124123411 |
Field | Value |
---|---|
Time (UTC) | 2023-12-18 08:02:13 ± 0.13 |
Latitude | 44.0712 ± 0.0036 |
Longitude | 11.6353 ± 0.0038 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124123411 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 345 |
Semi-minor axis of confidence ellipse (meter) | 177 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 188 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.05216 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23382 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 124123411 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-18 08:09:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BOSL.HHZ. | 2023-12-18T08:02:23.16 | 0.1 | undecidable | manual | S | 233 | 25.9518 | 108 | -0.06 | 96 |
IV.SFI.EHZ. | 2023-12-18T08:02:22.90 | 0.1 | undecidable | manual | S | 137 | 24.9528 | 108 | 0.01 | 98 |
IV.VISG.HHZ. | 2023-12-18T08:02:21.74 | 0.3 | undecidable | manual | S | 309 | 20.6682 | 112 | 0.26 | 70 |
IV.SEI.HHZ. | 2023-12-18T08:02:21.75 | 0.1 | undecidable | manual | S | 265 | 22.1556 | 110 | -0.21 | 94 |
IV.VMGN.HHZ. | 2023-12-18T08:02:19.96 | 0.1 | undecidable | manual | S | 212 | 15.2736 | 118 | 0.17 | 96 |
IV.BOSL.HHZ. | 2023-12-18T08:02:19.17 | 0.6 | positive | manual | P | 233 | 25.9518 | 108 | -0.05 | 48 |
IV.SEI.HHZ. | 2023-12-18T08:02:18.34 | 0.1 | undecidable | manual | P | 265 | 22.1556 | 110 | -0.15 | 95 |
IV.SFI.EHZ. | 2023-12-18T08:02:18.99 | 0.1 | negative | manual | P | 137 | 24.9528 | 108 | -0.04 | 97 |
IV.VISG.HHZ. | 2023-12-18T08:02:18.26 | 0.6 | undecidable | manual | P | 309 | 20.6682 | 112 | 0.05 | 49 |
IV.LMD.HHZ. | 2023-12-18T08:02:17.14 | 0.1 | undecidable | manual | S | 83 | 5.7942 | 145 | -0.11 | 99 |
IV.VMGN.HHZ. | 2023-12-18T08:02:17.37 | 0.1 | positive | manual | P | 212 | 15.2736 | 118 | 0.13 | 97 |
IV.LMD.HHZ. | 2023-12-18T08:02:15.82 | 0.1 | undecidable | manual | P | 83 | 5.7942 | 145 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:1.0 | 0.000176 | 0.08 | AML | other | m | 2023-12-18T08:02:17.25 |
IV.LMD.HHN. | ML:1.2 | 0.0002925 | 0.46 | AML | other | m | 2023-12-18T08:02:17.20 |
IV.VMGN.HHE. | ML:0.6 | 0.000039800000000000005 | 0.44 | AML | other | m | 2023-12-18T08:02:20.32 |
IV.VMGN.HHN. | ML:0.6 | 0.000034 | 1.24 | AML | other | m | 2023-12-18T08:02:20.94 |
IV.SEI.HHE. | ML:1.4 | 0.00016649999999999998 | 1.76 | AML | other | m | 2023-12-18T08:02:21.92 |
IV.VISG.HHE. | ML:0.7 | 0.000034750000000000004 | 0.64 | AML | other | m | 2023-12-18T08:02:22.03 |
IV.SEI.HHN. | ML:1.5 | 0.000199 | 0.28 | AML | other | m | 2023-12-18T08:02:22.32 |
IV.VISG.HHN. | ML:0.9 | 0.000054250000000000004 | 1.34 | AML | other | m | 2023-12-18T08:02:22.85 |
IV.SFI.EHE. | ML:1.0 | 0.0000543 | 1.28 | AML | other | m | 2023-12-18T08:02:23.70 |
IV.BOSL.HHE. | ML:0.2 | 0.000010785 | 0.28 | AML | other | m | 2023-12-18T08:02:23.28 |
IV.BOSL.HHN. | ML:0.4 | 0.00001285 | 0.82 | AML | other | m | 2023-12-18T08:02:23.29 |
IV.SFI.EHN. | ML:1.0 | 0.00006515 | 1.3 | AML | other | m | 2023-12-18T08:02:23.18 |