A magnitude ML 0.7 earthquake occured in region: 4 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.6620 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 | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Premilcuore | FC | 14 | 799 | 7060 |
Modigliana | FC | 14 | 4560 | 11620 |
Rocca San Casciano | FC | 15 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Dovadola | FC | 19 | 1653 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-09-28 03:44:30 |
44.0707 | 11.6625 | 6 | 2023-09-28 03:52:55 |
Sala Sismica INGV-Roma | 121531231 |
Field | Value |
---|---|
Time (UTC) | 2023-09-28 03:44:30 ± 0.14 |
Latitude | 44.0707 ± 0.0036 |
Longitude | 11.6625 ± 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 | 121531231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 438 |
Semi-minor axis of confidence ellipse (meter) | 143 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 136 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
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 | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121531231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-28 03:52:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2023-09-28T03:44:50.93 | 3.0 | undecidable | manual | P | 0.78 | 0 | |||
IV.MURB.HHZ. | 2023-09-28T03:44:45.59 | 3.0 | undecidable | manual | P | -3.95 | 0 | |||
IV.BOSL.HHZ. | 2023-09-28T03:44:40.02 | 0.1 | undecidable | manual | S | 236 | 27.75 | 102 | 0.12 | 95 |
IV.RUFI.EHZ. | 2023-09-28T03:44:40.15 | 0.6 | undecidable | manual | S | 205 | 28.5492 | 102 | -0.03 | 48 |
IV.VISG.HHZ. | 2023-09-28T03:44:38.31 | 0.6 | undecidable | manual | S | 306 | 22.4553 | 105 | 0.2 | 47 |
IV.SEI.HHZ. | 2023-09-28T03:44:38.87 | 0.6 | undecidable | manual | S | 266 | 24.2535 | 104 | 0.13 | 48 |
IV.RINC.EHE. | 2023-09-28T03:44:38.05 | 0.1 | undecidable | manual | S | 192 | 20.868 | 106 | 0.45 | 89 |
IV.SFI.HNE. | 2023-09-28T03:44:38.57 | 0.1 | undecidable | manual | S | 141 | 23.5542 | 104 | 0.08 | 96 |
IV.VMGN.HHZ. | 2023-09-28T03:44:36.56 | 0.6 | undecidable | manual | S | 219 | 16.5723 | 110 | 0.41 | 45 |
IT.MOG.HNE. | 2023-09-28T03:44:35.90 | 0.1 | undecidable | manual | S | 37 | 13.875 | 113 | 0.62 | 85 |
IV.RUFI.EHZ. | 2023-09-28T03:44:35.58 | 0.6 | positive | manual | P | 205 | 28.5492 | 102 | -0.33 | 45 |
IV.BOSL.HHZ. | 2023-09-28T03:44:35.54 | 0.1 | undecidable | manual | P | 236 | 27.75 | 102 | -0.21 | 93 |
IV.SFI.HNE. | 2023-09-28T03:44:34.70 | 0.1 | undecidable | manual | P | 141 | 23.5542 | 104 | -0.23 | 93 |
IV.VISG.HHZ. | 2023-09-28T03:44:34.54 | 0.6 | undecidable | manual | P | 306 | 22.4553 | 105 | -0.17 | 47 |
IV.SEI.HHZ. | 2023-09-28T03:44:34.82 | 0.3 | negative | manual | P | 266 | 24.2535 | 104 | -0.26 | 69 |
IV.RINC.EHE. | 2023-09-28T03:44:34.26 | 0.1 | undecidable | manual | P | 192 | 20.868 | 106 | -0.16 | 95 |
IV.VMGN.HHZ. | 2023-09-28T03:44:33.72 | 0.3 | positive | manual | P | 219 | 16.5723 | 110 | 0.14 | 72 |
IT.MRR.HGN. | 2023-09-28T03:44:32.60 | 0.1 | undecidable | manual | S | 261 | 4.7952 | 141 | -0.09 | 99 |
IT.MOG.HNE. | 2023-09-28T03:44:32.94 | 0.1 | undecidable | manual | P | 37 | 13.875 | 113 | -0.14 | 97 |
IV.LMD.HHZ. | 2023-09-28T03:44:32.01 | 0.6 | undecidable | manual | S | 78 | 3.6963 | 148 | -0.45 | 46 |
IV.LMD.HHZ. | 2023-09-28T03:44:31.09 | 1.0 | undecidable | manual | P | 78 | 3.6963 | 148 | -0.36 | 23 |
IT.MRR.HGN. | 2023-09-28T03:44:31.54 | 0.1 | undecidable | manual | P | 261 | 4.7952 | 141 | -0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.7 | 0.000049850000000000006 | 0.22 | AML | other | m | 2023-09-28T03:44:37.06 |
IV.VMGN.HHN. | ML:0.7 | 0.000048100000000000004 | 1.64 | AML | other | m | 2023-09-28T03:44:37.07 |
IV.VISG.HHN. | ML:0.6 | 0.000027199999999999997 | 0.66 | AML | other | m | 2023-09-28T03:44:38.44 |
IV.VISG.HHE. | ML:0.4 | 0.0000191 | 0.72 | AML | other | m | 2023-09-28T03:44:39.54 |
IV.SEI.HHN. | ML:1.4 | 0.00016165000000000003 | 0.22 | AML | other | m | 2023-09-28T03:44:39.25 |
IV.SEI.HHE. | ML:1.0 | 0.0000577 | 0.28 | AML | other | m | 2023-09-28T03:44:39.48 |