A magnitude Md 1.1 earthquake occured in region: 5 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0760, 11.6760 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 | 5 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Portico e San Benedetto | FC | 10 | 756 | 5107 |
Palazzuolo sul Senio | FI | 11 | 1154 | 6261 |
Modigliana | FC | 13 | 4560 | 10821 |
Rocca San Casciano | FC | 13 | 1910 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Casola Valsenio | RA | 17 | 2617 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Dovadola | FC | 18 | 1653 | 18967 |
Brisighella | RA | 18 | 7639 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.1 | 2023-09-19 09:23:02 |
44.0763 | 11.676 | 6 | 2023-09-19 09:36:53 |
Sala Sismica INGV-Roma | 121227151 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 09:23:02 ± 0.08 |
Latitude | 44.0763 ± 0.0018 |
Longitude | 11.6760 ± 0.0025 |
Depth (km) | 6 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121227151 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 212 |
Semi-minor axis of confidence ellipse (meter) | 179 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 209 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.02248 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22933 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | Md |
Reference to an origin | 121227151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 09:36:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SEI.HHZ. | 2023-09-19T09:23:11.45 | 0.3 | undecidable | manual | S | 265 | 25.4523 | 103 | -0.21 | 69 |
IV.SFI.EHZ. | 2023-09-19T09:23:11.08 | 0.3 | undecidable | manual | S | 144 | 23.4543 | 104 | 0.09 | 71 |
IV.VISG.HHZ. | 2023-09-19T09:23:11.03 | 0.3 | undecidable | manual | S | 303 | 22.9548 | 104 | 0.21 | 70 |
IV.RINC.EHZ. | 2023-09-19T09:23:10.43 | 0.1 | undecidable | manual | S | 195 | 21.7671 | 105 | 0 | 97 |
IV.VMGN.HHE. | 2023-09-19T09:23:09.21 | 0.6 | undecidable | manual | S | 220 | 17.6712 | 108 | 0.14 | 48 |
IV.VISG.HHZ. | 2023-09-19T09:23:07.29 | 0.1 | undecidable | manual | P | 303 | 22.9548 | 104 | -0.07 | 95 |
IV.SEI.HHZ. | 2023-09-19T09:23:07.86 | 0.1 | undecidable | manual | P | 265 | 25.4523 | 103 | 0.02 | 96 |
IV.RINC.EHZ. | 2023-09-19T09:23:07.13 | 0.3 | undecidable | manual | P | 195 | 21.7671 | 105 | 0 | 73 |
IV.SFI.EHZ. | 2023-09-19T09:23:07.27 | 0.6 | undecidable | manual | P | 144 | 23.4543 | 104 | -0.18 | 47 |
IV.VMGN.HHE. | 2023-09-19T09:23:06.41 | 0.3 | undecidable | manual | P | 220 | 17.6712 | 108 | 0.06 | 72 |
IT.MRR.HGE. | 2023-09-19T09:23:05.46 | 0.3 | undecidable | manual | S | 257 | 5.994 | 133 | -0.01 | 75 |
IV.LMD.HHZ. | 2023-09-19T09:23:04.74 | 0.1 | undecidable | manual | S | 87 | 2.4975 | 156 | -0.03 | 100 |
IT.MRR.HGE. | 2023-09-19T09:23:04.30 | 1.0 | undecidable | manual | P | 257 | 5.994 | 133 | 0.03 | 25 |
IV.LMD.HHZ. | 2023-09-19T09:23:03.87 | 0.1 | undecidable | manual | P | 87 | 2.4975 | 156 | 0.01 | 100 |