A magnitude ML 0.9 earthquake occured in region: 4 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0800, 11.6670 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 | 4 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Modigliana | FC | 13 | 4560 | 10821 |
Rocca San Casciano | FC | 14 | 1910 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Casola Valsenio | RA | 16 | 2617 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Brisighella | RA | 18 | 7639 | 24953 |
Dovadola | FC | 18 | 1653 | 26606 |
Castel del Rio | BO | 20 | 1246 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-11-22 07:43:00 |
44.0802 | 11.667 | 6 | 2023-11-22 07:51:12 |
Sala Sismica INGV-Roma | 123327571 |
Field | Value |
---|---|
Time (UTC) | 2023-11-22 07:43:00 ± 0.13 |
Latitude | 44.0802 ± 0.0036 |
Longitude | 11.6670 ± 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 | 123327571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 410 |
Semi-minor axis of confidence ellipse (meter) | 39 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 162 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 14 |
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) | 0.25811 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 123327571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-11-22 07:51:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2023-11-22T07:44:51.55 | 3.0 | undecidable | manual | Sn | -6.3 | 0 | |||
IV.ERC.EHZ. | 2023-11-22T07:44:48.75 | 3.0 | undecidable | manual | Pg | 15.31 | 0 | |||
IV.TDS.HHZ. | 2023-11-22T07:44:20.64 | 3.0 | undecidable | manual | Pn | -6.38 | 0 | |||
GU.ROTM.HHZ. | 2023-11-22T07:43:49.64 | 3.0 | undecidable | manual | Pg | 4.75 | 0 | |||
IV.GIUL.HHZ. | 2023-11-22T07:43:47.53 | 3.0 | undecidable | manual | Pg | -0.47 | 0 | |||
ST.GAGG.HHZ. | 2023-11-22T07:43:41.94 | 3.0 | undecidable | manual | Pg | 3.32 | 0 | |||
IV.FIAM.HHZ. | 2023-11-22T07:43:36.90 | 3.0 | undecidable | manual | Pg | -1.74 | 0 | |||
IV.SMA1.EHZ. | 2023-11-22T07:43:35.61 | 3.0 | undecidable | manual | Pg | -0.12 | 0 | |||
IV.BOSL.HHZ. | 2023-11-22T07:43:10.89 | 0.3 | undecidable | manual | S | 235 | 28.6491 | 102 | 0.18 | 73 |
IV.MTRZ.HNZ. | 2023-11-22T07:43:09.03 | 3.0 | undecidable | manual | P | -0.53 | 0 | |||
IV.SFI.EHZ. | 2023-11-22T07:43:09.31 | 0.3 | undecidable | manual | S | 143 | 24.1536 | 105 | 0.1 | 75 |
IV.SEI.HHZ. | 2023-11-22T07:43:09.56 | 0.3 | undecidable | manual | S | 263 | 24.753 | 104 | 0.16 | 74 |
IV.VISG.HHZ. | 2023-11-22T07:43:08.67 | 0.3 | undecidable | manual | S | 303 | 22.1556 | 106 | 0.15 | 74 |
IV.VMGN.HHZ. | 2023-11-22T07:43:07.36 | 0.3 | undecidable | manual | S | 218 | 17.5713 | 110 | 0.34 | 72 |
IV.BOSL.HHZ. | 2023-11-22T07:43:06.30 | 0.6 | positive | manual | P | 235 | 28.6491 | 102 | -0.11 | 49 |
IV.BRSN.HNZ. | 2023-11-22T07:43:06.81 | 3.0 | undecidable | manual | P | -3.03 | 0 | |||
IV.SEI.HHZ. | 2023-11-22T07:43:05.39 | 0.1 | undecidable | manual | P | 263 | 24.753 | 104 | -0.26 | 96 |
IT.MOG.HNE. | 2023-11-22T07:43:05.74 | 0.3 | undecidable | manual | S | 38 | 12.7761 | 116 | 0.25 | 74 |
IV.VISG.HHZ. | 2023-11-22T07:43:05.04 | 0.1 | undecidable | manual | P | 303 | 22.1556 | 106 | -0.11 | 100 |
IV.SFI.EHZ. | 2023-11-22T07:43:05.26 | 0.3 | undecidable | manual | P | 143 | 24.1536 | 105 | -0.28 | 72 |
IV.VMGN.HHZ. | 2023-11-22T07:43:04.37 | 0.6 | positive | manual | P | 218 | 17.5713 | 110 | 0.09 | 51 |
IT.MRR.HGN. | 2023-11-22T07:43:03.18 | 0.3 | undecidable | manual | S | 251 | 5.3946 | 140 | -0.24 | 75 |
IT.MOG.HNE. | 2023-11-22T07:43:03.43 | 0.3 | undecidable | manual | P | 38 | 12.7761 | 116 | 0.04 | 77 |
IT.MRR.HGN. | 2023-11-22T07:43:02.01 | 0.3 | undecidable | manual | P | 251 | 5.3946 | 140 | -0.19 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.7 | 0.00004539079 | 0.2176 | AML | other | m | 2023-11-22T07:43:07.89 |
IV.VMGN.HHN. | ML:0.8 | 0.00006709999999999999 | 0.62 | AML | other | m | 2023-11-22T07:43:07.91 |
IV.SEI.HHN. | ML:1.6 | 0.0002665 | 0.24 | AML | other | m | 2023-11-22T07:43:09.93 |
IV.SEI.HHE. | ML:1.3 | 0.00011599999999999999 | 0.92 | AML | other | m | 2023-11-22T07:43:10.78 |
IV.VISG.HHE. | ML:0.4 | 0.00001970463 | 0.16 | AML | other | m | 2023-11-22T07:43:08.76 |