A magnitude ML 0.7 earthquake occured in region: 2 km SE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0640, 11.6250 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 | 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 | 16 | 799 | 8227 |
Modigliana | FC | 17 | 4560 | 12787 |
Rocca San Casciano | FC | 18 | 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 0.7 | 2023-09-29 07:18:55 |
44.0643 | 11.6247 | 6 | 2023-09-29 07:27:47 |
Sala Sismica INGV-Roma | 121572361 |
Field | Value |
---|---|
Time (UTC) | 2023-09-29 07:18:55 ± 0.11 |
Latitude | 44.0643 ± 0.0036 |
Longitude | 11.6247 ± 0.0038 |
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 | 121572361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 155 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.01529 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24102 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 121572361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-29 07:27:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RUFI.EHZ. | 2023-09-29T07:19:04.30 | 0.6 | undecidable | manual | S | 200 | 26.751 | 103 | -0.22 | 46 |
IV.BOSL.HHZ. | 2023-09-29T07:19:04.04 | 0.6 | undecidable | manual | S | 234 | 24.8529 | 104 | 0.15 | 47 |
IV.SFI.EHZ. | 2023-09-29T07:19:04.00 | 0.6 | undecidable | manual | S | 135 | 25.0527 | 104 | 0.04 | 48 |
IV.VISG.HHZ. | 2023-09-29T07:19:02.67 | 0.6 | undecidable | manual | S | 312 | 20.4684 | 106 | 0.24 | 47 |
IV.SEI.HHZ. | 2023-09-29T07:19:02.86 | 0.6 | undecidable | manual | S | 267 | 21.2676 | 106 | 0.19 | 47 |
IV.VMGN.HHZ. | 2023-09-29T07:19:00.70 | 0.6 | undecidable | manual | S | 211 | 14.1747 | 113 | 0.33 | 46 |
IV.RUFI.EHZ. | 2023-09-29T07:19:00.09 | 1.0 | positive | manual | P | 200 | 26.751 | 103 | -0.41 | 22 |
IV.BOSL.HHZ. | 2023-09-29T07:19:00.21 | 0.1 | undecidable | manual | P | 234 | 24.8529 | 104 | 0.08 | 96 |
IV.SEI.HHZ. | 2023-09-29T07:18:59.18 | 0.3 | undecidable | manual | P | 267 | 21.2676 | 106 | -0.25 | 70 |
IV.SFI.EHZ. | 2023-09-29T07:18:59.92 | 1.0 | positive | manual | P | 135 | 25.0527 | 104 | -0.26 | 23 |
IV.RINC.EHZ. | 2023-09-29T07:18:59.18 | 0.1 | undecidable | manual | P | 184 | 19.7691 | 107 | 0.03 | 97 |
IV.VMGN.HHZ. | 2023-09-29T07:18:58.21 | 0.6 | positive | manual | P | 211 | 14.1747 | 113 | 0.11 | 48 |
IV.VISG.HHZ. | 2023-09-29T07:18:58.56 | 1.0 | negative | manual | P | 312 | 20.4684 | 106 | -0.73 | 20 |
IT.MOG.HNZ. | 2023-09-29T07:18:58.61 | 0.1 | undecidable | manual | P | 44 | 16.3725 | 110 | 0.11 | 96 |
IV.LMD.HHZ. | 2023-09-29T07:18:58.32 | 0.6 | undecidable | manual | S | 77 | 6.7932 | 132 | 0.17 | 48 |
IT.MRR.HGZ. | 2023-09-29T07:18:57.05 | 0.6 | undecidable | manual | S | 269 | 1.6983 | 164 | -0.14 | 49 |
IV.LMD.HHZ. | 2023-09-29T07:18:56.83 | 0.1 | negative | manual | P | 77 | 6.7932 | 132 | 0 | 100 |
IT.MRR.HGZ. | 2023-09-29T07:18:56.12 | 0.1 | undecidable | manual | P | 269 | 1.6983 | 164 | -0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.7 | 0.00005785 | 1.6 | AML | other | m | 2023-09-29T07:19:01.09 |
IV.VMGN.HHN. | ML:0.7 | 0.00005935 | 1.58 | AML | other | m | 2023-09-29T07:19:01.91 |
IV.VISG.HHE. | ML:0.5 | 0.000023800000000000003 | 0.44 | AML | other | m | 2023-09-29T07:19:02.52 |
IV.VISG.HHN. | ML:0.6 | 0.0000298 | 0.12 | AML | other | m | 2023-09-29T07:19:02.77 |
IV.SEI.HHN. | ML:1.3 | 0.0001635 | 1.82 | AML | other | m | 2023-09-29T07:19:03.02 |
IV.SEI.HHE. | ML:1.0 | 0.00008035 | 0.26 | AML | other | m | 2023-09-29T07:19:04.33 |
IV.SFI.EHE. | ML:0.7 | 0.0000305569 | 0.16 | AML | other | m | 2023-09-29T07:19:04.06 |
IV.SFI.EHN. | ML:0.5 | 0.0000190234575 | 0.0992 | AML | other | m | 2023-09-29T07:19:05.47 |