A magnitude ML 0.8 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0760, 11.6480 at 6 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 | 3 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Premilcuore | FC | 15 | 799 | 11620 |
Rocca San Casciano | FC | 16 | 1910 | 13530 |
San Godenzo | FI | 17 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Castel del Rio | BO | 19 | 1246 | 26199 |
Dovadola | FC | 20 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-19 10:02:18 |
44.0755 | 11.648 | 6 | 2023-09-19 10:12:58 |
Sala Sismica INGV-Roma | 121227541 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 10:02:18 ± 0.13 |
Latitude | 44.0755 ± 0.0036 |
Longitude | 11.6480 ± 0.0050 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121227541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 398 |
Semi-minor axis of confidence ellipse (meter) | 141 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 317 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25721 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 121227541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 10:12:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-19T10:02:28.71 | 0.3 | undecidable | manual | S | 203 | 28.5492 | 102 | -0.07 | 72 |
IV.VISG.HHZ. | 2023-09-19T10:02:26.38 | 0.3 | undecidable | manual | S | 307 | 21.1677 | 106 | 0.1 | 72 |
IV.RINC.EHN. | 2023-09-19T10:02:26.45 | 0.3 | undecidable | manual | S | 189 | 21.2676 | 106 | 0.14 | 72 |
IV.SEI.HHZ. | 2023-09-19T10:02:26.97 | 0.1 | undecidable | manual | S | 264 | 23.1546 | 104 | 0.01 | 98 |
IV.VMGN.HHE. | 2023-09-19T10:02:25.06 | 0.3 | undecidable | manual | S | 214 | 16.2726 | 110 | 0.39 | 68 |
IV.SBPO.HNZ. | 2023-09-19T10:02:24.81 | 3.0 | negative | manual | Pn | -0.01 | 0 | |||
IT.MOG.HNE. | 2023-09-19T10:02:24.37 | 0.6 | undecidable | manual | S | 42 | 14.1747 | 113 | 0.39 | 46 |
IV.RUFI.EHZ. | 2023-09-19T10:02:23.83 | 0.6 | undecidable | manual | P | 203 | 28.5492 | 102 | -0.68 | 41 |
IV.RINC.EHN. | 2023-09-19T10:02:23.06 | 0.6 | undecidable | manual | P | 189 | 21.2676 | 106 | -0.01 | 49 |
IV.SEI.HHZ. | 2023-09-19T10:02:23.30 | 0.3 | undecidable | manual | P | 264 | 23.1546 | 104 | -0.15 | 71 |
IV.VMGN.HHE. | 2023-09-19T10:02:22.25 | 0.1 | undecidable | manual | P | 214 | 16.2726 | 110 | 0.12 | 97 |
IV.VISG.HHZ. | 2023-09-19T10:02:22.92 | 0.3 | undecidable | manual | P | 307 | 21.1677 | 106 | -0.14 | 72 |
IV.LMD.HHZ. | 2023-09-19T10:02:21.18 | 0.3 | undecidable | manual | S | 87 | 4.6953 | 141 | -0.11 | 74 |
IT.MOG.HNE. | 2023-09-19T10:02:21.86 | 0.6 | undecidable | manual | P | 42 | 14.1747 | 113 | 0.13 | 48 |
IT.MRR.HGE. | 2023-09-19T10:02:21.04 | 0.1 | undecidable | manual | S | 250 | 3.7962 | 147 | -0.06 | 100 |
IT.MRR.HGE. | 2023-09-19T10:02:20.05 | 0.3 | undecidable | manual | P | 250 | 3.7962 | 147 | -0.01 | 76 |
IV.LMD.HHZ. | 2023-09-19T10:02:20.05 | 0.1 | undecidable | manual | P | 87 | 4.6953 | 141 | -0.13 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VISG.HHN. | ML:0.6 | 0.000029749999999999998 | 0.78 | AML | other | m | 2023-09-19T10:02:26.64 |
IV.VISG.HHE. | ML:0.5 | 0.000025450000000000002 | 1.1 | AML | other | m | 2023-09-19T10:02:27.88 |
IV.SEI.HHN. | ML:1.5 | 0.00019600000000000002 | 0.2 | AML | other | m | 2023-09-19T10:02:27.59 |
IV.SEI.HHE. | ML:1.0 | 0.00007544999999999999 | 1.02 | AML | other | m | 2023-09-19T10:02:28.93 |