A magnitude ML 1.6 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0660, 11.6530 at 10 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 | 3 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Premilcuore | FC | 14 | 799 | 7060 |
Modigliana | FC | 15 | 4560 | 11620 |
Rocca San Casciano | FC | 15 | 1910 | 13530 |
San Godenzo | FI | 16 | 1167 | 14697 |
Casola Valsenio | RA | 18 | 2617 | 17314 |
Brisighella | RA | 20 | 7639 | 24953 |
Dovadola | FC | 20 | 1653 | 26606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.6 | 2023-09-18 12:29:35 |
44.066 | 11.6533 | 10 | 2023-09-18 12:35:32 |
Sala Sismica INGV-Roma | 121186441 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 12:29:35 ± 0.15 |
Latitude | 44.0660 ± 0.0054 |
Longitude | 11.6533 ± 0.0075 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121186441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 705 |
Semi-minor axis of confidence ellipse (meter) | 192 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 50 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 700.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 173 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.34534 |
Number of stations at which the event was observed | 30 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 121186441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 12:35:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ACATE.EHZ. | 2023-09-18T12:31:22.99 | 3.0 | negative | manual | Pn | 2.85 | 0 | |||
IV.PLAC.HNZ. | 2023-09-18T12:31:04.54 | 3.0 | undecidable | manual | Pn | -6.03 | 0 | |||
GU.PZZ.HHZ. | 2023-09-18T12:31:02.24 | 3.0 | undecidable | manual | Sn | -0.06 | 0 | |||
CH.BNALP.HHZ. | 2023-09-18T12:31:01.24 | 3.0 | undecidable | manual | Sn | -8.05 | 0 | |||
IV.PLLN.EHZ. | 2023-09-18T12:31:00.61 | 3.0 | undecidable | manual | Pn | -5.68 | 0 | |||
IV.PTRJ.HHZ. | 2023-09-18T12:30:59.90 | 3.0 | undecidable | manual | Sn | -6.7 | 0 | |||
IV.TDS.HHZ. | 2023-09-18T12:30:54.14 | 3.0 | negative | manual | Pn | -2 | 0 | |||
IV.LRP.EHZ. | 2023-09-18T12:30:47.27 | 3.0 | undecidable | manual | Sn | -4.12 | 0 | |||
IV.INTR.HHZ. | 2023-09-18T12:30:40.48 | 3.0 | undecidable | manual | Sn | -6.63 | 0 | |||
IV.GATE.HHZ. | 2023-09-18T12:30:29.47 | 3.0 | positive | manual | Pg | 2.51 | 0 | |||
ST.GAGG.HHZ. | 2023-09-18T12:30:21.83 | 3.0 | undecidable | manual | Sn | -9.73 | 0 | |||
IV.GIUL.HHZ. | 2023-09-18T12:30:21.35 | 3.0 | negative | manual | Pg | 4.29 | 0 | |||
GU.STV.HHZ. | 2023-09-18T12:30:17.02 | 3.0 | undecidable | manual | Pn | -4.35 | 0 | |||
IV.CING.HHZ. | 2023-09-18T12:30:06.75 | 3.0 | undecidable | manual | Sn | -7.77 | 0 | |||
IV.RCAV.EHZ. | 2023-09-18T12:30:05.56 | 3.0 | negative | manual | Pn | -6.61 | 0 | |||
IV.ATVO.HHZ. | 2023-09-18T12:30:04.97 | 3.0 | undecidable | manual | Sg | 0.83 | 0 | |||
GU.POPM.HHZ. | 2023-09-18T12:29:57.38 | 3.0 | undecidable | manual | Sn | -0.62 | 0 | |||
IV.FAEN.HNZ. | 2023-09-18T12:29:49.15 | 3.0 | undecidable | manual | P | 0 | ||||
IV.CRMI.HHZ. | 2023-09-18T12:29:47.43 | 3.0 | negative | manual | Pg | 1.02 | 0 | |||
IV.PARC.HHZ. | 2023-09-18T12:29:47.63 | 3.0 | undecidable | manual | Pg | 0.57 | 0 | |||
IV.RUFI.EHZ. | 2023-09-18T12:29:45.97 | 0.3 | undecidable | manual | S | 204 | 27.75 | 50 | 0.16 | 74 |
IV.BOSL.HHZ. | 2023-09-18T12:29:45.75 | 0.3 | undecidable | manual | S | 236 | 26.8509 | 50 | 0.19 | 73 |
IV.SFI.EHZ. | 2023-09-18T12:29:44.54 | 0.3 | undecidable | manual | S | 139 | 23.6541 | 113 | -0.05 | 75 |
IV.VISG.HHZ. | 2023-09-18T12:29:44.06 | 0.3 | undecidable | manual | S | 308 | 22.1556 | 114 | -0.06 | 74 |
IV.SEI.HHZ. | 2023-09-18T12:29:44.40 | 0.3 | undecidable | manual | S | 267 | 23.5542 | 113 | -0.17 | 74 |
IV.CRE.HHZ. | 2023-09-18T12:29:43.74 | 3.0 | positive | manual | Pn | -1.78 | 0 | |||
IV.RINC.EHZ. | 2023-09-18T12:29:43.76 | 0.3 | undecidable | manual | S | 191 | 20.2686 | 116 | 0.23 | 71 |
IV.MOCL.EHZ. | 2023-09-18T12:29:43.17 | 0.3 | negative | manual | P | 260 | 38.3283 | 50 | 0.02 | 69 |
IV.MTRZ.HNE. | 2023-09-18T12:29:43.15 | 0.3 | undecidable | manual | P | 326 | 32.8449 | 50 | 0.83 | 64 |
IV.FNVD.HHZ. | 2023-09-18T12:29:41.91 | 3.0 | undecidable | manual | P | -1.1 | 0 | |||
IV.RUFI.EHZ. | 2023-09-18T12:29:41.40 | 0.3 | undecidable | manual | P | 204 | 27.75 | 50 | -0.13 | 71 |
IV.BOSL.HHZ. | 2023-09-18T12:29:41.41 | 0.3 | positive | manual | P | 236 | 26.8509 | 50 | 0.02 | 74 |
IV.SEI.HHZ. | 2023-09-18T12:29:40.60 | 0.1 | positive | manual | P | 267 | 23.5542 | 113 | -0.21 | 97 |
IV.SFI.EHZ. | 2023-09-18T12:29:40.68 | 0.1 | positive | manual | P | 139 | 23.6541 | 113 | -0.15 | 98 |
IV.VISG.HHZ. | 2023-09-18T12:29:40.40 | 0.3 | undecidable | manual | P | 308 | 22.1556 | 114 | -0.16 | 74 |
IV.RINC.EHZ. | 2023-09-18T12:29:40.27 | 0.1 | positive | manual | P | 191 | 20.2686 | 116 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RINC.EHE. | ML:1.8 | 0.0004435 | 0.12 | AML | other | m | 2023-09-18T12:29:43.83 |
IV.VISG.HHE. | ML:1.6 | 0.00023299999999999997 | 0.24 | AML | other | m | 2023-09-18T12:29:44.14 |
IV.SEI.HHE. | ML:2.1 | 0.0008285 | 0.26 | AML | other | m | 2023-09-18T12:29:44.61 |
IV.SFI.EHN. | ML:1.7 | 0.0003075 | 0.28 | AML | other | m | 2023-09-18T12:29:44.76 |
IV.SEI.HHN. | ML:2.3 | 0.0012205 | 0.18 | AML | other | m | 2023-09-18T12:29:45.02 |
IV.SFI.EHE. | ML:1.7 | 0.00029749999999999997 | 0.24 | AML | other | m | 2023-09-18T12:29:45.02 |
IV.VISG.HHN. | ML:1.6 | 0.00024349999999999998 | 0.18 | AML | other | m | 2023-09-18T12:29:45.21 |
IV.RINC.EHN. | ML:1.7 | 0.00035 | 0.48 | AML | other | m | 2023-09-18T12:29:45.50 |
IV.BOSL.HHN. | ML:1.3 | 0.00011434999999999999 | 0.14 | AML | other | m | 2023-09-18T12:29:46.29 |
IV.BOSL.HHE. | ML:1.2 | 0.0000873 | 0.52 | AML | other | m | 2023-09-18T12:29:46.34 |
IV.MOCL.EHN. | ML:2.1 | 0.00041549999999999996 | 0.22 | AML | other | m | 2023-09-18T12:29:49.32 |
IV.MOCL.EHE. | ML:1.8 | 0.0002105 | 0.48 | AML | other | m | 2023-09-18T12:29:50.28 |
IV.CRE.HHN. | ML:2.2 | 0.000357 | 0.22 | AML | other | m | 2023-09-18T12:29:54.36 |
IV.CRE.HHE. | ML:1.6 | 0.00008549999999999999 | 1.8 | AML | other | m | 2023-09-18T12:29:54.01 |
IV.CRMI.HHN. | ML:1.4 | 0.00005625 | 0.4 | AML | other | m | 2023-09-18T12:29:56.00 |
IV.CRMI.HHE. | ML:1.2 | 0.000029 | 0.22 | AML | other | m | 2023-09-18T12:29:56.39 |
IV.PARC.HHE. | ML:1.1 | 0.0000264 | 1.1 | AML | other | m | 2023-09-18T12:29:57.73 |
GU.POPM.HHE. | ML:1.4 | 0.000042050000000000006 | 0.24 | AML | other | m | 2023-09-18T12:29:59.42 |
GU.POPM.HHN. | ML:1.5 | 0.00005285 | 0.8 | AML | other | m | 2023-09-18T12:30:01.10 |
IV.PARC.HHN. | ML:1.2 | 0.000028749999999999997 | 0.78 | AML | other | m | 2023-09-18T12:30:01.98 |
IV.FNVD.HHE. | ML:1.9 | 0.000258 | 0.38 | AML | other | m | 2023-09-18T12:30:03.63 |
IV.FNVD.HHN. | ML:1.6 | 0.000126 | 0.4 | AML | other | m | 2023-09-18T12:30:03.73 |
IV.ATVO.HHE. | ML:1.4 | 0.00002465 | 0.54 | AML | other | m | 2023-09-18T12:30:10.29 |
IV.ATVO.HHN. | ML:1.4 | 0.00002265 | 0.88 | AML | other | m | 2023-09-18T12:30:10.33 |