A magnitude ML 2.1 earthquake occured in region: 6 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.1180, 11.6630 at 5 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 | 6 | 3139 | 3139 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Modigliana | FC | 11 | 4560 | 10065 |
Casola Valsenio | RA | 12 | 2617 | 12682 |
Portico e San Benedetto | FC | 14 | 756 | 13438 |
Brisighella | RA | 14 | 7639 | 21077 |
Rocca San Casciano | FC | 16 | 1910 | 22987 |
Castel del Rio | BO | 17 | 1246 | 24233 |
Fontanelice | BO | 18 | 1943 | 26176 |
Dovadola | FC | 18 | 1653 | 27829 |
Premilcuore | FC | 18 | 799 | 28628 |
Riolo Terme | RA | 18 | 5720 | 34348 |
Borgo Tossignano | BO | 19 | 3288 | 37636 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.1 | 2023-09-19 23:10:52 |
44.1177 | 11.6633 | 5 | 2023-09-19 23:17:05 |
Sala Sismica INGV-Roma | 121251801 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 23:10:52 ± 0.24 |
Latitude | 44.1177 ± 0.0108 |
Longitude | 11.6633 ± 0.0088 |
Depth (km) | 5 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121251801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1232 |
Semi-minor axis of confidence ellipse (meter) | 412 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 192 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 247 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.85346 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 121251801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 23:17:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
MN.TRI.HHZ. | 2023-09-19T23:11:55.20 | 3.0 | undecidable | manual | Sg | 4.47 | 0 | |||
GU.GRAM.HHZ. | 2023-09-19T23:11:40.95 | 3.0 | undecidable | manual | Sg | 4.16 | 0 | |||
GU.IMI.HHZ. | 2023-09-19T23:11:38.87 | 3.0 | undecidable | manual | Pg | 8.41 | 0 | |||
IV.CRE.HHZ. | 2023-09-19T23:11:12.42 | 0.1 | undecidable | manual | S | 157 | 59.9955 | 50 | -0.17 | 92 |
IV.CAFI.HHZ. | 2023-09-19T23:11:09.15 | 0.1 | undecidable | manual | P | 164 | 90.7425 | 50 | 0.19 | 86 |
IV.ATPI.EHZ. | 2023-09-19T23:11:09.58 | 0.1 | undecidable | manual | P | 141 | 94.7385 | 50 | 0.01 | 89 |
IV.CSNT.HHZ. | 2023-09-19T23:11:07.26 | 0.1 | undecidable | manual | P | 203 | 77.4669 | 50 | 0.35 | 85 |
GU.POPM.HHZ. | 2023-09-19T23:11:06.42 | 3.0 | negative | manual | Pg | 2.04 | 0 | |||
IV.CRMI.HHZ. | 2023-09-19T23:11:05.13 | 3.0 | positive | manual | Pg | 3.75 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T23:11:04.14 | 0.6 | undecidable | manual | S | 202 | 33.3444 | 98 | -0.31 | 47 |
IV.PSL.EHZ. | 2023-09-19T23:11:04.11 | 3.0 | undecidable | manual | Pg | 1.28 | 0 | |||
IV.MPPT.EHZ. | 2023-09-19T23:11:04.46 | 3.0 | positive | manual | Pg | 3.16 | 0 | |||
IV.CRE.HHZ. | 2023-09-19T23:11:04.02 | 0.1 | undecidable | manual | P | 157 | 59.9955 | 50 | -0.18 | 91 |
IV.BOSL.HHZ. | 2023-09-19T23:11:03.76 | 0.6 | undecidable | manual | S | 228 | 30.9468 | 99 | 0.12 | 49 |
IV.SEI.HHZ. | 2023-09-19T23:11:02.19 | 0.6 | undecidable | manual | S | 254 | 25.2525 | 101 | 0.5 | 45 |
IV.SFI.EHZ. | 2023-09-19T23:11:02.84 | 0.6 | undecidable | manual | S | 148 | 27.75 | 100 | 0.3 | 47 |
IV.FNVD.HHZ. | 2023-09-19T23:11:01.04 | 3.0 | undecidable | manual | P | -1.46 | 0 | |||
IV.MOCL.EHZ. | 2023-09-19T23:11:00.43 | 3.0 | undecidable | manual | Pg | -0.51 | 0 | |||
IV.VMGN.HHZ. | 2023-09-19T23:11:00.54 | 0.6 | undecidable | manual | S | 210 | 20.868 | 103 | 0.35 | 47 |
IV.IMOL.EHZ. | 2023-09-19T23:11:00.71 | 3.0 | negative | manual | Pg | -0.4 | 0 | |||
IV.RUFI.EHZ. | 2023-09-19T23:10:59.42 | 1.0 | undecidable | manual | P | 202 | 33.3444 | 98 | -0.08 | 24 |
IV.RINC.EHZ. | 2023-09-19T23:10:58.21 | 0.6 | undecidable | manual | P | 190 | 26.0517 | 101 | 0.15 | 49 |
IV.SFI.EHZ. | 2023-09-19T23:10:58.79 | 0.6 | undecidable | manual | P | 148 | 27.75 | 100 | 0.39 | 46 |
IV.BOSL.HHZ. | 2023-09-19T23:10:58.41 | 0.6 | positive | manual | P | 228 | 30.9468 | 99 | -0.63 | 43 |
IV.SEI.HHZ. | 2023-09-19T23:10:57.86 | 0.1 | positive | manual | P | 254 | 25.2525 | 101 | -0.05 | 100 |
IV.VISG.HHZ. | 2023-09-19T23:10:57.89 | 3.0 | positive | manual | P | -2.89 | 0 | |||
IV.VMGN.HHZ. | 2023-09-19T23:10:56.33 | 0.3 | positive | manual | P | 210 | 20.868 | 103 | -0.72 | 63 |
IV.LMD.HHZ. | 2023-09-19T23:10:55.32 | 0.6 | undecidable | manual | S | 142 | 5.6943 | 131 | -0.02 | 52 |
IV.LMD.HHZ. | 2023-09-19T23:10:54.18 | 1.0 | undecidable | manual | P | 142 | 5.6943 | 131 | -0.07 | 26 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:2.1 | 0.001074 | 0.3 | AML | other | m | 2023-09-19T23:11:01.04 |
IV.SEI.HHE. | ML:2.6 | 0.00226 | 0.52 | AML | other | m | 2023-09-19T23:11:02.63 |
IV.SEI.HHN. | ML:3.0 | 0.005535 | 0.3 | AML | other | m | 2023-09-19T23:11:02.68 |
IV.VMGN.HHN. | ML:2.2 | 0.00131 | 1.3 | AML | other | m | 2023-09-19T23:11:02.97 |
IV.SFI.HNE. | ML:2.3 | 0.0010069999999999999 | 0.38 | AML | other | m | 2023-09-19T23:11:03.02 |
IV.SFI.EHE. | ML:2.3 | 0.001002 | 0.36 | AML | other | m | 2023-09-19T23:11:03.03 |
IV.RINC.EHE. | ML:2.4 | 0.00156 | 0.9 | AML | other | m | 2023-09-19T23:11:03.77 |
IV.SFI.EHN. | ML:2.0 | 0.000611 | 0.42 | AML | other | m | 2023-09-19T23:11:03.38 |
IV.VISG.HHN. | ML:2.0 | 0.0008585 | 0.3 | AML | other | m | 2023-09-19T23:11:03.74 |
IV.VISG.HHE. | ML:1.8 | 0.000519 | 0.7 | AML | other | m | 2023-09-19T23:11:04.17 |
IV.BOSL.HHN. | ML:2.0 | 0.0004945 | 0.3 | AML | other | m | 2023-09-19T23:11:04.34 |
IV.BOSL.HHE. | ML:2.0 | 0.000433 | 0.68 | AML | other | m | 2023-09-19T23:11:04.36 |
IV.RUFI.EHN. | ML:2.2 | 0.0008235 | 0.36 | AML | other | m | 2023-09-19T23:11:04.35 |
IV.RUFI.EHE. | ML:1.7 | 0.000241 | 0.32 | AML | other | m | 2023-09-19T23:11:04.38 |
IV.SFI.HNN. | ML:2.0 | 0.0006445000000000001 | 0.92 | AML | other | m | 2023-09-19T23:11:05.76 |
IV.RINC.EHN. | ML:2.4 | 0.0014100000000000002 | 0.48 | AML | other | m | 2023-09-19T23:11:05.69 |
IV.MOCL.EHE. | ML:2.1 | 0.0004415 | 0.16 | AML | other | m | 2023-09-19T23:11:07.28 |
IV.MOCL.EHN. | ML:2.2 | 0.0004995 | 0.22 | AML | other | m | 2023-09-19T23:11:07.60 |
IV.IMOL.HNN. | ML:2.2 | 0.0010375 | 0.22 | AML | other | m | 2023-09-19T23:11:08.37 |
IV.FNVD.HHE. | ML:2.3 | 0.000683 | 0.48 | AML | other | m | 2023-09-19T23:11:10.86 |
IV.FNVD.HHN. | ML:1.7 | 0.000147 | 0.38 | AML | other | m | 2023-09-19T23:11:12.36 |
IV.CRE.HHN. | ML:2.7 | 0.0011149999999999999 | 0.22 | AML | other | m | 2023-09-19T23:11:12.73 |
IV.IMOL.EHN. | ML:1.9 | 0.00044845 | 0.34 | AML | other | m | 2023-09-19T23:11:12.78 |
IV.MPPT.EHE. | ML:2.0 | 0.00024249999999999999 | 1.16 | AML | other | m | 2023-09-19T23:11:12.80 |
IV.CRE.HHE. | ML:2.3 | 0.0004145 | 1.32 | AML | other | m | 2023-09-19T23:11:13.97 |
IV.MPPT.EHN. | ML:1.8 | 0.00019350000000000001 | 1.42 | AML | other | m | 2023-09-19T23:11:13.01 |
IV.CRMI.HHN. | ML:1.8 | 0.0001175 | 0.28 | AML | other | m | 2023-09-19T23:11:14.25 |
IV.IMOL.EHE. | ML:1.9 | 0.0004305 | 0.94 | AML | other | m | 2023-09-19T23:11:15.68 |
IV.IMOL.HNE. | ML:2.2 | 0.000902 | 0.42 | AML | other | m | 2023-09-19T23:11:15.35 |
IV.CRMI.HHE. | ML:1.6 | 0.0000719 | 0.76 | AML | other | m | 2023-09-19T23:11:16.08 |
GU.POPM.HHN. | ML:1.8 | 0.00011105 | 1.8 | AML | other | m | 2023-09-19T23:11:19.98 |
IV.CSNT.HHE. | ML:2.0 | 0.000135 | 1.16 | AML | other | m | 2023-09-19T23:11:20.37 |
GU.POPM.HHE. | ML:1.7 | 0.00008635000000000001 | 0.32 | AML | other | m | 2023-09-19T23:11:20.87 |
IV.CSNT.HHN. | ML:2.0 | 0.0001615 | 0.54 | AML | other | m | 2023-09-19T23:11:21.99 |
IV.CAFI.HHE. | ML:2.0 | 0.0001183 | 0.58 | AML | other | m | 2023-09-19T23:11:23.55 |
IV.CAFI.HHN. | ML:1.9 | 0.00008815 | 0.52 | AML | other | m | 2023-09-19T23:11:24.57 |
GU.GRAM.HHN. | ML:2.1 | 0.0000809 | 1.02 | AML | other | m | 2023-09-19T23:11:43.88 |
GU.GRAM.HHE. | ML:2.1 | 0.000087 | 1.5 | AML | other | m | 2023-09-19T23:11:45.04 |