A magnitude ML 1.1 earthquake occured in region: 4 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0780, 11.6640 at 8 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 | 4 | 3139 | 3139 |
Tredozio | FC | 6 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 10 | 1154 | 5505 |
Portico e San Benedetto | FC | 11 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Rocca San Casciano | FC | 14 | 1910 | 12731 |
Premilcuore | FC | 14 | 799 | 13530 |
Casola Valsenio | RA | 17 | 2617 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Brisighella | RA | 18 | 7639 | 24953 |
Dovadola | FC | 19 | 1653 | 26606 |
Castel del Rio | BO | 20 | 1246 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2023-09-29 21:51:01 |
44.0783 | 11.6642 | 8 | 2023-09-29 21:58:25 |
Sala Sismica INGV-Roma | 121596581 |
Field | Value |
---|---|
Time (UTC) | 2023-09-29 21:51:01 ± 0.09 |
Latitude | 44.0783 ± 0.0027 |
Longitude | 11.6642 ± 0.0050 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121596581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 352 |
Semi-minor axis of confidence ellipse (meter) | 201 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 324 |
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) | 75 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39840 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 121596581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-29 21:58:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SACR.HHZ. | 2023-09-29T21:52:44.78 | 3.0 | undecidable | manual | Sg | 11.29 | 0 | |||
MN.TRI.HHZ. | 2023-09-29T21:51:59.07 | 3.0 | undecidable | manual | Sn | -3.49 | 0 | |||
IV.MAGA.HHZ. | 2023-09-29T21:51:56.28 | 3.0 | undecidable | manual | Sn | -1.06 | 0 | |||
OX.MARN.HHZ. | 2023-09-29T21:51:50.45 | 3.0 | undecidable | manual | Sg | -0.02 | 0 | |||
GU.CARD.HHZ. | 2023-09-29T21:51:34.44 | 3.0 | undecidable | manual | S | 0.06 | 0 | |||
OX.MARN.HHZ. | 2023-09-29T21:51:30.60 | 3.0 | undecidable | manual | Pg | 2.35 | 0 | |||
IV.MOCL.EHZ. | 2023-09-29T21:51:15.39 | 0.6 | undecidable | manual | S | 258 | 39.4272 | 50 | -0.29 | 45 |
IV.ATPI.EHZ. | 2023-09-29T21:51:13.18 | 3.0 | undecidable | manual | P | -1.27 | 0 | |||
IV.RUFI.EHE. | 2023-09-29T21:51:12.55 | 0.1 | undecidable | manual | S | 205 | 29.3484 | 105 | 0.02 | 96 |
IV.BOSL.HHE. | 2023-09-29T21:51:12.01 | 0.6 | undecidable | manual | S | 235 | 28.3494 | 105 | -0.16 | 47 |
IV.CRE.HHZ. | 2023-09-29T21:51:12.26 | 3.0 | undecidable | manual | S | -4.45 | 0 | |||
IV.SEI.HHZ. | 2023-09-29T21:51:11.02 | 0.3 | undecidable | manual | S | 264 | 24.5532 | 108 | 0.12 | 71 |
IV.FNVD.HHZ. | 2023-09-29T21:51:10.51 | 0.3 | undecidable | manual | P | 283 | 44.2224 | 50 | -0.13 | 69 |
IV.SFI.EHZ. | 2023-09-29T21:51:10.91 | 0.3 | undecidable | manual | S | 143 | 24.1536 | 108 | 0.12 | 71 |
IV.RINC.EHZ. | 2023-09-29T21:51:10.31 | 0.3 | undecidable | manual | S | 192 | 21.7671 | 110 | 0.31 | 69 |
IV.VISG.HHZ. | 2023-09-29T21:51:10.16 | 0.3 | undecidable | manual | S | 304 | 22.0668 | 109 | 0.07 | 72 |
IV.MOCL.EHZ. | 2023-09-29T21:51:09.67 | 0.6 | negative | manual | P | 258 | 39.4272 | 50 | -0.22 | 45 |
IV.MTRZ.HHN. | 2023-09-29T21:51:09.34 | 0.6 | undecidable | manual | P | 324 | 32.2455 | 104 | 0.72 | 39 |
IV.VMGN.HHZ. | 2023-09-29T21:51:08.95 | 0.3 | undecidable | manual | S | 217 | 17.2716 | 114 | 0.4 | 68 |
IT.MOG.HNE. | 2023-09-29T21:51:07.60 | 0.3 | undecidable | manual | S | 39 | 13.0758 | 121 | 0.35 | 69 |
IV.SEI.HHZ. | 2023-09-29T21:51:07.01 | 0.1 | undecidable | manual | P | 264 | 24.5532 | 108 | -0.12 | 95 |
IV.RUFI.EHE. | 2023-09-29T21:51:07.87 | 0.1 | undecidable | manual | P | 205 | 29.3484 | 105 | -0.2 | 92 |
IV.SFI.EHZ. | 2023-09-29T21:51:07.02 | 0.1 | undecidable | manual | P | 143 | 24.1536 | 108 | -0.04 | 96 |
IV.BOSL.HHE. | 2023-09-29T21:51:07.68 | 0.1 | undecidable | manual | P | 235 | 28.3494 | 105 | -0.18 | 93 |
IV.VISG.HHZ. | 2023-09-29T21:51:06.65 | 0.1 | negative | manual | P | 304 | 22.0668 | 109 | -0.01 | 97 |
IV.RINC.EHZ. | 2023-09-29T21:51:06.69 | 0.1 | undecidable | manual | P | 192 | 21.7671 | 110 | 0.08 | 96 |
IV.VMGN.HHZ. | 2023-09-29T21:51:06.02 | 0.3 | positive | manual | P | 217 | 17.2716 | 114 | 0.25 | 70 |
IT.MOG.HNE. | 2023-09-29T21:51:05.12 | 0.1 | undecidable | manual | P | 39 | 13.0758 | 121 | 0.09 | 97 |
IT.MRR.HGZ. | 2023-09-29T21:51:05.03 | 0.3 | undecidable | manual | S | 252 | 5.0949 | 147 | -0.17 | 73 |
IV.LMD.HHZ. | 2023-09-29T21:51:04.40 | 0.3 | undecidable | manual | S | 92 | 3.3966 | 156 | -0.53 | 67 |
IT.MRR.HGZ. | 2023-09-29T21:51:03.82 | 0.1 | undecidable | manual | P | 252 | 5.0949 | 147 | -0.02 | 100 |
IV.LMD.HHZ. | 2023-09-29T21:51:03.44 | 0.1 | undecidable | manual | P | 92 | 3.3966 | 156 | -0.24 | 96 |
IV.FAEN.HNZ. | 2023-09-29T21:50:52.65 | 3.0 | undecidable | manual | P | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:1.0 | 0.00008515000000000001 | 0.6 | AML | other | m | 2023-09-29T21:51:09.45 |
IV.VMGN.HHE. | ML:1.0 | 0.00008649999999999999 | 0.38 | AML | other | m | 2023-09-29T21:51:09.46 |
IV.VISG.HHE. | ML:0.9 | 0.0000614 | 0.26 | AML | other | m | 2023-09-29T21:51:10.61 |
IV.SFI.EHE. | ML:1.3 | 0.00012275 | 0.22 | AML | other | m | 2023-09-29T21:51:11.14 |
IV.VISG.HHN. | ML:1.1 | 0.00008405 | 0.14 | AML | other | m | 2023-09-29T21:51:11.06 |
IV.SFI.EHN. | ML:1.2 | 0.00008865 | 1.16 | AML | other | m | 2023-09-29T21:51:11.64 |
IV.MOCL.EHN. | ML:1.5 | 0.00010405000000000001 | 0.62 | AML | other | m | 2023-09-29T21:51:16.03 |
IV.MOCL.EHE. | ML:1.5 | 0.00011300000000000001 | 0.66 | AML | other | m | 2023-09-29T21:51:16.62 |
IV.FNVD.HHE. | ML:1.1 | 0.000038650000000000004 | 0.6 | AML | other | m | 2023-09-29T21:51:19.77 |
IV.FNVD.HHN. | ML:0.7 | 0.00001555 | 0.96 | AML | other | m | 2023-09-29T21:51:20.61 |