A magnitude ML 2.0 earthquake occured in region: 2 km NE Marradi (FI), on
and geographic coordinates (lat, lon) 44.0880, 11.6380 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 | 2 | 3139 | 3139 |
Palazzuolo sul Senio | FI | 8 | 1154 | 4293 |
Tredozio | FC | 9 | 1212 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Casola Valsenio | RA | 15 | 2617 | 13438 |
Premilcuore | FC | 17 | 799 | 14237 |
Rocca San Casciano | FC | 17 | 1910 | 16147 |
Castel del Rio | BO | 18 | 1246 | 17393 |
San Godenzo | FI | 18 | 1167 | 18560 |
Brisighella | RA | 18 | 7639 | 26199 |
Fontanelice | BO | 20 | 1943 | 28142 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 2.0 | 2023-09-19 21:38:08 |
44.0875 | 11.6378 | 10 | 2023-09-19 21:43:36 |
Sala Sismica INGV-Roma | 121244541 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 21:38:08 ± 0.18 |
Latitude | 44.0875 ± 0.0063 |
Longitude | 11.6378 ± 0.0138 |
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 | 121244541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1077 |
Semi-minor axis of confidence ellipse (meter) | 543 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 252 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1080.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 19 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.61604 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 121244541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 21:43:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CING.HHZ. | 2023-09-19T21:38:32.57 | 3.0 | undecidable | manual | P | -0.43 | 0 | |||
IV.PARC.HHZ. | 2023-09-19T21:38:21.24 | 1.0 | negative | manual | P | 135 | 68.376 | 50 | 0.27 | 22 |
IV.CRMI.HHZ. | 2023-09-19T21:38:20.48 | 0.3 | negative | manual | P | 239 | 61.7937 | 50 | 0.53 | 63 |
IV.RUFI.EHZ. | 2023-09-19T21:38:19.32 | 0.6 | undecidable | manual | S | 200 | 29.5482 | 50 | -0.14 | 48 |
IV.BOSL.HHZ. | 2023-09-19T21:38:19.11 | 0.6 | undecidable | manual | S | 231 | 27.2505 | 50 | 0.25 | 48 |
IV.CRE.HHZ. | 2023-09-19T21:38:18.69 | 0.6 | undecidable | manual | P | 154 | 57.6978 | 50 | -0.64 | 40 |
IV.RINC.EHZ. | 2023-09-19T21:38:17.99 | 0.6 | undecidable | manual | S | 186 | 22.4553 | 114 | 0.64 | 43 |
IV.SEI.HHZ. | 2023-09-19T21:38:17.29 | 0.6 | undecidable | manual | S | 261 | 22.5552 | 114 | -0.1 | 49 |
IV.MPPT.EHZ. | 2023-09-19T21:38:17.80 | 1.0 | positive | manual | P | 252 | 46.0206 | 50 | 0.28 | 23 |
IV.VISG.HHZ. | 2023-09-19T21:38:16.66 | 0.6 | undecidable | manual | S | 305 | 19.7691 | 116 | 0.16 | 49 |
IV.MOCL.EHZ. | 2023-09-19T21:38:16.13 | 0.3 | positive | manual | P | 256 | 37.5291 | 50 | -0.09 | 72 |
IV.IMOL.EHZ. | 2023-09-19T21:38:16.04 | 0.6 | negative | manual | P | 15 | 31.3464 | 50 | 0.78 | 40 |
IV.VMGN.HHZ. | 2023-09-19T21:38:16.07 | 0.6 | undecidable | manual | S | 210 | 16.9719 | 120 | 0.42 | 47 |
IV.FNVD.HHZ. | 2023-09-19T21:38:16.93 | 0.1 | negative | manual | P | 282 | 41.9247 | 50 | 0.03 | 97 |
IV.BOSL.HHZ. | 2023-09-19T21:38:14.51 | 0.6 | positive | manual | P | 231 | 27.2505 | 50 | -0.12 | 49 |
IV.RUFI.EHZ. | 2023-09-19T21:38:14.63 | 0.1 | positive | manual | P | 200 | 29.5482 | 50 | -0.34 | 93 |
IV.VISG.HHZ. | 2023-09-19T21:38:13.07 | 0.1 | positive | manual | P | 305 | 19.7691 | 116 | -0.2 | 97 |
IV.RINC.EHZ. | 2023-09-19T21:38:13.52 | 0.6 | positive | manual | P | 186 | 22.4553 | 114 | -0.23 | 48 |
IV.SEI.HHZ. | 2023-09-19T21:38:13.53 | 0.1 | positive | manual | P | 261 | 22.5552 | 114 | -0.25 | 96 |
IV.VMGN.HHZ. | 2023-09-19T21:38:12.69 | 0.1 | undecidable | manual | P | 210 | 16.9719 | 120 | -0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHE. | ML:2.0 | 0.0008839999999999999 | 0.42 | AML | other | m | 2023-09-19T21:38:16.21 |
IV.VMGN.HHN. | ML:2.0 | 0.0008500000000000001 | 1.42 | AML | other | m | 2023-09-19T21:38:16.23 |
IV.SEI.HHE. | ML:2.4 | 0.00166 | 1.5 | AML | other | m | 2023-09-19T21:38:17.82 |
IV.SEI.HHN. | ML:2.8 | 0.00376 | 0.26 | AML | other | m | 2023-09-19T21:38:17.87 |
IV.RINC.EHE. | ML:2.2 | 0.0010055 | 0.66 | AML | other | m | 2023-09-19T21:38:18.95 |
IV.BOSL.HHN. | ML:1.9 | 0.000388 | 0.34 | AML | other | m | 2023-09-19T21:38:19.53 |
IV.BOSL.HHE. | ML:1.7 | 0.000288 | 0.86 | AML | other | m | 2023-09-19T21:38:19.54 |
IV.VISG.HHN. | ML:1.8 | 0.000536 | 0.44 | AML | other | m | 2023-09-19T21:38:19.65 |
IV.RUFI.EHN. | ML:2.0 | 0.00059 | 0.34 | AML | other | m | 2023-09-19T21:38:19.70 |
IV.RUFI.EHE. | ML:1.6 | 0.00018099999999999998 | 0.3 | AML | other | m | 2023-09-19T21:38:19.55 |
IV.RINC.EHN. | ML:2.2 | 0.0011600000000000002 | 0.92 | AML | other | m | 2023-09-19T21:38:20.87 |
IV.VISG.HHE. | ML:1.7 | 0.0003695 | 0.26 | AML | other | m | 2023-09-19T21:38:20.32 |
IV.MOCL.EHE. | ML:2.1 | 0.0004735 | 0.18 | AML | other | m | 2023-09-19T21:38:22.47 |
IV.MOCL.EHN. | ML:2.0 | 0.00041749999999999996 | 0.6 | AML | other | m | 2023-09-19T21:38:22.62 |
IV.FNVD.HHE. | ML:2.2 | 0.000457 | 0.46 | AML | other | m | 2023-09-19T21:38:26.04 |
IV.FNVD.HHN. | ML:1.4 | 0.0000902 | 0.36 | AML | other | m | 2023-09-19T21:38:27.38 |
IV.CRE.HHN. | ML:2.4 | 0.0004985 | 1.76 | AML | other | m | 2023-09-19T21:38:27.03 |
IV.MPPT.EHE. | ML:1.7 | 0.00014700000000000002 | 0.88 | AML | other | m | 2023-09-19T21:38:28.44 |
IV.CRE.HHE. | ML:2.2 | 0.0003195 | 0.26 | AML | other | m | 2023-09-19T21:38:28.15 |
IV.MPPT.EHN. | ML:1.6 | 0.0001305 | 1.48 | AML | other | m | 2023-09-19T21:38:28.94 |
IV.IMOL.HNE. | ML:2.1 | 0.0005589999999999999 | 0.46 | AML | other | m | 2023-09-19T21:38:30.78 |
IV.IMOL.HNN. | ML:2.2 | 0.0007045 | 0.78 | AML | other | m | 2023-09-19T21:38:31.28 |
IV.CSNT.HHN. | ML:1.9 | 0.00011499999999999999 | 0.66 | AML | other | m | 2023-09-19T21:38:35.58 |
IV.CSNT.HHE. | ML:1.8 | 0.00009145 | 0.52 | AML | other | m | 2023-09-19T21:38:35.54 |
IV.PARC.HHN. | ML:1.6 | 0.0000713 | 0.64 | AML | other | m | 2023-09-19T21:38:37.09 |
IV.PARC.HHE. | ML:1.6 | 0.0000659 | 0.36 | AML | other | m | 2023-09-19T21:38:37.57 |