A magnitude ML 1.1 earthquake occured in region: 5 km W Tredozio (FC), on
and geographic coordinates (lat, lon) 44.0680, 11.6810 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 |
---|---|---|---|---|
Tredozio | FC | 5 | 1212 | 1212 |
Marradi | FI | 6 | 3139 | 4351 |
Portico e San Benedetto | FC | 9 | 756 | 5107 |
Palazzuolo sul Senio | FI | 12 | 1154 | 6261 |
Premilcuore | FC | 13 | 799 | 7060 |
Rocca San Casciano | FC | 13 | 1910 | 8970 |
Modigliana | FC | 13 | 4560 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Dovadola | FC | 18 | 1653 | 16350 |
Casola Valsenio | RA | 18 | 2617 | 18967 |
Brisighella | RA | 19 | 7639 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-09-25 07:01:52 |
44.0685 | 11.6812 | 6 | 2023-09-25 07:07:18 |
Sala Sismica INGV-Roma | 121441521 |
Field | Value |
---|---|
Time (UTC) | 2023-09-25 07:01:52 ± 0.16 |
Latitude | 44.0685 ± 0.0045 |
Longitude | 11.6812 ± 0.0063 |
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 | 121441521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 519 |
Semi-minor axis of confidence ellipse (meter) | 177 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 120 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49013 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121441521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-25 07:07:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTRZ.HHZ. | 2023-09-25T07:02:07.64 | 3.0 | undecidable | manual | S | 0 | ||||
IV.CRE.HHZ. | 2023-09-25T07:02:02.16 | 1.0 | positive | manual | P | 156 | 54.4011 | 50 | -0.61 | 20 |
IV.MTRZ.HHZ. | 2023-09-25T07:02:02.63 | 3.0 | undecidable | manual | P | 0 | ||||
IV.VISG.HHZ. | 2023-09-25T07:02:01.25 | 0.3 | undecidable | manual | S | 304 | 23.754 | 105 | 0.34 | 68 |
IV.SEI.HHZ. | 2023-09-25T07:02:01.60 | 0.3 | undecidable | manual | S | 267 | 25.752 | 104 | 0.02 | 73 |
IV.RINC.EHZ. | 2023-09-25T07:02:00.40 | 0.3 | undecidable | manual | S | 196 | 21.0678 | 107 | 0.4 | 68 |
IV.SFI.EHZ. | 2023-09-25T07:02:00.80 | 0.3 | undecidable | manual | S | 144 | 22.4553 | 106 | 0.33 | 69 |
IV.VMGN.HHZ. | 2023-09-25T07:01:59.11 | 0.3 | undecidable | manual | S | 223 | 17.3715 | 110 | 0.34 | 69 |
IV.RUFI.EHZ. | 2023-09-25T07:01:58.09 | 0.1 | positive | manual | P | 208 | 29.0487 | 102 | -0.23 | 93 |
IT.MOG.HNZ. | 2023-09-25T07:01:58.02 | 0.3 | undecidable | manual | S | 31 | 13.1757 | 116 | 0.57 | 66 |
IV.SEI.HHZ. | 2023-09-25T07:01:57.29 | 0.1 | undecidable | manual | P | 267 | 25.752 | 104 | -0.4 | 90 |
IV.VISG.HHZ. | 2023-09-25T07:01:57.20 | 0.6 | undecidable | manual | P | 304 | 23.754 | 105 | -0.1 | 48 |
IV.VMGN.HHZ. | 2023-09-25T07:01:56.29 | 0.1 | positive | manual | P | 223 | 17.3715 | 110 | 0.22 | 95 |
IV.RINC.EHZ. | 2023-09-25T07:01:56.53 | 0.1 | undecidable | manual | P | 196 | 21.0678 | 107 | -0.24 | 94 |
IV.SFI.EHZ. | 2023-09-25T07:01:56.98 | 0.3 | positive | manual | P | 144 | 22.4553 | 106 | -0.07 | 73 |
IT.MRR.HGZ. | 2023-09-25T07:01:55.42 | 0.3 | undecidable | manual | S | 265 | 6.1938 | 135 | -0.03 | 75 |
IT.MOG.HNZ. | 2023-09-25T07:01:55.33 | 0.1 | undecidable | manual | P | 31 | 13.1757 | 116 | 0.03 | 99 |
IT.MRR.HGZ. | 2023-09-25T07:01:54.10 | 0.1 | undecidable | manual | P | 265 | 6.1938 | 135 | -0.05 | 100 |
IV.LMD.HHZ. | 2023-09-25T07:01:54.14 | 0.6 | undecidable | manual | S | 64 | 2.2977 | 160 | -0.57 | 45 |
IV.LMD.HHZ. | 2023-09-25T07:01:53.46 | 0.1 | undecidable | manual | P | 64 | 2.2977 | 160 | -0.26 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.6 | 0.00004095 | 0.46 | AML | other | m | 2023-09-25T07:02:00.47 |
IV.VMGN.HHN. | ML:0.7 | 0.0000451 | 0.54 | AML | other | m | 2023-09-25T07:02:01.26 |
IV.VISG.HHE. | ML:1.1 | 0.0000904 | 0.4 | AML | other | m | 2023-09-25T07:02:05.09 |
IV.VISG.HHN. | ML:1.3 | 0.000126 | 0.56 | AML | other | m | 2023-09-25T07:02:06.07 |
IV.SEI.HHE. | ML:1.5 | 0.00020700000000000002 | 0.3 | AML | other | m | 2023-09-25T07:02:07.90 |
IV.SEI.HHN. | ML:1.8 | 0.00035299999999999996 | 0.9 | AML | other | m | 2023-09-25T07:02:08.37 |
IV.SFI.EHE. | ML:0.9 | 0.00005706102 | 0.1984 | AML | other | m | 2023-09-25T07:02:01.60 |
IV.SFI.EHN. | ML:1.0 | 0.000064741375 | 0.1184 | AML | other | m | 2023-09-25T07:02:01.33 |