A magnitude ML 0.9 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0710, 11.6430 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 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Premilcuore | FC | 15 | 799 | 7060 |
Modigliana | FC | 15 | 4560 | 11620 |
San Godenzo | FI | 16 | 1167 | 12787 |
Rocca San Casciano | FC | 16 | 1910 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 20 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2023-09-19 17:26:39 |
44.0713 | 11.6427 | 6 | 2023-09-19 17:39:55 |
Sala Sismica INGV-Roma | 121238511 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 17:26:39 ± 0.1 |
Latitude | 44.0713 ± 0.0027 |
Longitude | 11.6427 ± 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 | 121238511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 350 |
Semi-minor axis of confidence ellipse (meter) | 64 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 32 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25181 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121238511 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 17:39:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MRB1.HNZ. | 2023-09-19T17:27:56.15 | 3.0 | undecidable | manual | Sg | 5.57 | 0 | |||
IV.RESU.HHZ. | 2023-09-19T17:27:36.48 | 3.0 | positive | manual | Pn | -7.29 | 0 | |||
GU.TRAV.HHZ. | 2023-09-19T17:27:36.64 | 3.0 | undecidable | manual | Sn | 3.12 | 0 | |||
RD.PGF.BHZ. | 2023-09-19T17:27:26.82 | 3.0 | undecidable | manual | Sn | -0.76 | 0 | |||
OT.OT15.EHZ. | 2023-09-19T17:27:24.00 | 3.0 | positive | manual | Pg | 9.8 | 0 | |||
IV.LRP.EHZ. | 2023-09-19T17:27:18.77 | 3.0 | undecidable | manual | Sn | -9.41 | 0 | |||
GU.TRAV.HHZ. | 2023-09-19T17:27:09.03 | 3.0 | undecidable | manual | Pg | 16.620001 | 0 | |||
IV.MCRV.HHZ. | 2023-09-19T17:27:06.15 | 3.0 | undecidable | manual | Pn | -0.92 | 0 | |||
IV.MCIV.CHZ. | 2023-09-19T17:26:54.57 | 3.0 | undecidable | manual | Sg | -2.45 | 0 | |||
IV.PTRJ.HHZ. | 2023-09-19T17:26:53.18 | 3.0 | undecidable | manual | Pn | -3.71 | 0 | |||
GU.CARD.HHZ. | 2023-09-19T17:26:52.41 | 3.0 | undecidable | manual | Sg | 7.05 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T17:26:48.87 | 0.6 | undecidable | manual | S | 202 | 27.9498 | 102 | -0.16 | 46 |
IV.SEI.HHZ. | 2023-09-19T17:26:47.25 | 0.6 | undecidable | manual | S | 265 | 22.755 | 105 | -0.01 | 48 |
IV.SFI.EHE. | 2023-09-19T17:26:47.93 | 0.6 | undecidable | manual | S | 139 | 24.6531 | 104 | 0.03 | 48 |
IV.RINC.EHN. | 2023-09-19T17:26:46.86 | 0.3 | undecidable | manual | S | 188 | 20.6682 | 106 | 0.28 | 69 |
IV.VISG.HHZ. | 2023-09-19T17:26:46.93 | 0.3 | undecidable | manual | S | 308 | 21.0678 | 106 | 0.22 | 70 |
IV.VMGN.HHZ. | 2023-09-19T17:26:45.40 | 0.3 | undecidable | manual | S | 214 | 15.6732 | 111 | 0.48 | 66 |
IV.RUFI.EHZ. | 2023-09-19T17:26:44.46 | 0.6 | undecidable | manual | P | 202 | 27.9498 | 102 | -0.37 | 44 |
IT.MOG.HNE. | 2023-09-19T17:26:44.93 | 0.3 | undecidable | manual | S | 42 | 14.7741 | 112 | 0.3 | 69 |
IV.RINC.EHN. | 2023-09-19T17:26:43.51 | 0.1 | undecidable | manual | P | 188 | 20.6682 | 106 | 0.09 | 95 |
IV.SEI.HHZ. | 2023-09-19T17:26:43.62 | 0.1 | undecidable | manual | P | 265 | 22.755 | 105 | -0.19 | 93 |
IV.SFI.EHE. | 2023-09-19T17:26:43.95 | 0.1 | undecidable | manual | P | 139 | 24.6531 | 104 | -0.23 | 92 |
IV.VISG.HHZ. | 2023-09-19T17:26:43.38 | 0.1 | undecidable | manual | P | 308 | 21.0678 | 106 | -0.12 | 95 |
MN.TRI.HHZ. | 2023-09-19T17:26:43.56 | 3.0 | undecidable | manual | S | -9.5 | 0 | |||
IV.VMGN.HHZ. | 2023-09-19T17:26:42.43 | 0.6 | undecidable | manual | P | 214 | 15.6732 | 111 | -0.03 | 49 |
IT.MOG.HNE. | 2023-09-19T17:26:42.40 | 0.3 | undecidable | manual | P | 42 | 14.7741 | 112 | 0.1 | 72 |
IV.LMD.HHZ. | 2023-09-19T17:26:41.75 | 0.6 | undecidable | manual | S | 82 | 5.1948 | 139 | -0.09 | 49 |
IT.MRR.HGN. | 2023-09-19T17:26:41.30 | 0.1 | undecidable | manual | S | 256 | 3.2967 | 151 | -0.16 | 97 |
IV.LMD.HHZ. | 2023-09-19T17:26:40.60 | 0.1 | undecidable | manual | P | 82 | 5.1948 | 139 | -0.08 | 98 |
IT.MRR.HGN. | 2023-09-19T17:26:40.46 | 0.1 | undecidable | manual | P | 256 | 3.2967 | 151 | 0 | 100 |
IV.FOSV.EHZ. | 2023-09-19T17:26:37.26 | 3.0 | undecidable | manual | S | -8.04 | 0 | |||
4P.IT08A.HHZ. | 2023-09-19T17:26:08.52 | 3.0 | positive | manual | P | -1.29 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:0.5 | 0.000027711850000000005 | 0.1024 | AML | other | m | 2023-09-19T17:26:45.73 |
IV.VMGN.HHN. | ML:0.6 | 0.00003905 | 0.42 | AML | other | m | 2023-09-19T17:26:16.63 |
IV.VISG.HHN. | ML:0.9 | 0.00006689474000000001 | 0.1024 | AML | other | m | 2023-09-19T17:26:47.20 |
IV.VISG.HHE. | ML:0.9 | 0.00005465133999999999 | 0.1152 | AML | other | m | 2023-09-19T17:26:47.06 |
IV.SEI.HHN. | ML:1.5 | 0.00023370069999999998 | 0.1536 | AML | other | m | 2023-09-19T17:26:47.90 |
IV.LMD.HHN. | ML:1.4 | 0.0004355 | 0.12 | AML | other | m | 2023-09-19T17:26:41.91 |
IV.LMD.HHE. | ML:1.1 | 0.00022199999999999998 | 1.28 | AML | other | m | 2023-09-19T17:26:42.84 |
IV.SEI.HHE. | ML:1.2 | 0.00010055 | 1.02 | AML | other | m | 2023-09-19T17:26:48.24 |