A magnitude ML 1.4 earthquake occured in region: 2 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0640, 11.6270 at 7 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 10 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
San Godenzo | FI | 15 | 1167 | 7428 |
Premilcuore | FC | 15 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Rocca San Casciano | FC | 17 | 1910 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Vicchio | FI | 19 | 8044 | 25358 |
Castel del Rio | BO | 19 | 1246 | 26604 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2023-10-28 03:09:59 |
44.0637 | 11.6268 | 7 | 2023-10-28 03:15:00 |
Sala Sismica INGV-Roma | 122487731 |
Field | Value |
---|---|
Time (UTC) | 2023-10-28 03:09:59 ± 0.15 |
Latitude | 44.0637 ± 0.0054 |
Longitude | 11.6268 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 122487731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 614 |
Semi-minor axis of confidence ellipse (meter) | 284 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 219 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 64 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.05936 |
Epicentral distance of station farthest from the epicenter (degree) | 0.50272 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 122487731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-10-28 03:15:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2023-10-28T03:10:17.44 | 0.1 | undecidable | manual | S | 152 | 55.7997 | 50 | 0.09 | 91 |
IV.CRE.HHZ. | 2023-10-28T03:10:09.35 | 1.0 | negative | manual | P | 152 | 55.7997 | 50 | -0.27 | 22 |
IV.SFI.EHZ. | 2023-10-28T03:10:08.26 | 0.1 | undecidable | manual | S | 135 | 24.8529 | 105 | 0.25 | 93 |
IV.RUFI.EHZ. | 2023-10-28T03:10:08.57 | 0.1 | undecidable | manual | S | 201 | 26.751 | 104 | -0.06 | 96 |
IV.SEI.HHZ. | 2023-10-28T03:10:06.94 | 0.1 | undecidable | manual | S | 267 | 21.4674 | 108 | 0.09 | 96 |
IV.VISG.HHZ. | 2023-10-28T03:10:06.64 | 0.1 | undecidable | manual | S | 312 | 20.6682 | 108 | 0.02 | 98 |
IV.IMOL.EHZ. | 2023-10-28T03:10:06.86 | 0.3 | positive | manual | P | 16 | 34.0437 | 101 | 0.84 | 56 |
IV.VMGN.HHZ. | 2023-10-28T03:10:05.08 | 0.1 | undecidable | manual | S | 212 | 14.2746 | 115 | 0.54 | 88 |
IV.RUFI.EHZ. | 2023-10-28T03:10:04.39 | 0.1 | undecidable | manual | P | 201 | 26.751 | 104 | -0.19 | 93 |
IV.VISG.HHZ. | 2023-10-28T03:10:03.30 | 0.6 | negative | manual | P | 312 | 20.6682 | 108 | -0.12 | 48 |
IV.SFI.EHZ. | 2023-10-28T03:10:03.44 | 1.0 | negative | manual | P | 135 | 24.8529 | 105 | -0.79 | 20 |
IV.SEI.HHZ. | 2023-10-28T03:10:03.34 | 0.1 | undecidable | manual | P | 267 | 21.4674 | 108 | -0.22 | 94 |
IV.LMD.HHZ. | 2023-10-28T03:10:02.37 | 0.1 | undecidable | manual | S | 77 | 6.5934 | 136 | 0.03 | 100 |
IV.VMGN.HHZ. | 2023-10-28T03:10:01.80 | 0.3 | positive | manual | P | 212 | 14.2746 | 115 | -0.42 | 68 |
IV.LMD.HHZ. | 2023-10-28T03:10:00.34 | 0.3 | undecidable | manual | P | 77 | 6.5934 | 136 | -0.61 | 65 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:1.4 | 0.00026250000000000004 | 0.44 | AML | other | m | 2023-10-28T03:10:05.38 |
IV.VMGN.HHN. | ML:1.3 | 0.0002385 | 0.42 | AML | other | m | 2023-10-28T03:10:05.39 |
IV.VISG.HHN. | ML:1.4 | 0.00017199999999999998 | 0.9 | AML | other | m | 2023-10-28T03:10:06.93 |
IV.SFI.EHE. | ML:1.4 | 0.0001705 | 0.62 | AML | other | m | 2023-10-28T03:10:08.30 |
IV.SFI.EHN. | ML:1.4 | 0.00014000000000000001 | 0.48 | AML | other | m | 2023-10-28T03:10:08.53 |
IV.RUFI.EHN. | ML:1.6 | 0.00020700000000000002 | 1.5 | AML | other | m | 2023-10-28T03:10:09.01 |
IV.VISG.HHE. | ML:1.1 | 0.00009735 | 0.42 | AML | other | m | 2023-10-28T03:10:09.20 |
IV.RUFI.EHE. | ML:1.0 | 0.00005615 | 0.54 | AML | other | m | 2023-10-28T03:10:11.60 |
IV.CRE.HHE. | ML:1.6 | 0.00009699999999999999 | 1.18 | AML | other | m | 2023-10-28T03:10:17.80 |
IV.CRE.HHN. | ML:1.6 | 0.0000903 | 0.98 | AML | other | m | 2023-10-28T03:10:18.60 |