A magnitude ML 1.0 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0750, 11.6480 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 | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Premilcuore | FC | 15 | 799 | 11620 |
Rocca San Casciano | FC | 16 | 1910 | 13530 |
San Godenzo | FI | 17 | 1167 | 14697 |
Casola Valsenio | RA | 17 | 2617 | 17314 |
Brisighella | RA | 19 | 7639 | 24953 |
Castel del Rio | BO | 19 | 1246 | 26199 |
Dovadola | FC | 20 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2023-09-18 10:38:41 |
44.0747 | 11.6478 | 10 | 2023-09-18 10:52:56 |
Sala Sismica INGV-Roma | 121180531 |
Field | Value |
---|---|
Time (UTC) | 2023-09-18 10:38:41 ± 0.06 |
Latitude | 44.0747 ± 0.0018 |
Longitude | 11.6478 ± 0.0025 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121180531 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 278 |
Semi-minor axis of confidence ellipse (meter) | 94 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 46 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25631 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.7 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121180531 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-18 10:52:56 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OT.OT17.EHZ. | 2023-09-18T10:40:37.02 | 3.0 | undecidable | manual | Sg | 17.48 | 0 | |||
IV.MCRV.HHZ. | 2023-09-18T10:40:31.15 | 3.0 | undecidable | manual | Sn | -2.03 | 0 | |||
IV.MRB1.HNZ. | 2023-09-18T10:40:21.38 | 3.0 | undecidable | manual | Sn | -2.99 | 0 | |||
IV.SGTA.HHZ. | 2023-09-18T10:39:52.32 | 3.0 | negative | manual | Pg | 9.68 | 0 | |||
IV.CERT.HHZ. | 2023-09-18T10:39:51.47 | 3.0 | undecidable | manual | Sn | 3.79 | 0 | |||
ST.RONC.HNZ. | 2023-09-18T10:39:47.31 | 3.0 | undecidable | manual | Sg | -0.48 | 0 | |||
IV.TOLF.HHZ. | 2023-09-18T10:39:37.93 | 3.0 | undecidable | manual | Sn | -2.35 | 0 | |||
GU.MGRO.HHZ. | 2023-09-18T10:39:36.97 | 3.0 | undecidable | manual | Pg | 8.49 | 0 | |||
GU.GORR.HHZ. | 2023-09-18T10:39:16.66 | 3.0 | positive | manual | Pg | 1.35 | 0 | |||
ST.VARA.EHZ. | 2023-09-18T10:39:16.25 | 3.0 | undecidable | manual | Pg | -0.39 | 0 | |||
IV.FRON.EHZ. | 2023-09-18T10:39:16.63 | 3.0 | undecidable | manual | S | 3.98 | 0 | |||
IV.CAMP.HHZ. | 2023-09-18T10:39:14.35 | 3.0 | undecidable | manual | Pn | -0.58 | 0 | |||
IV.NRCA.HHZ. | 2023-09-18T10:39:11.52 | 3.0 | undecidable | manual | Pn | 1.62 | 0 | |||
IV.FRON.EHZ. | 2023-09-18T10:38:58.04 | 3.0 | positive | manual | P | -1.74 | 0 | |||
IV.RUFI.EHZ. | 2023-09-18T10:38:52.28 | 1.0 | undecidable | manual | S | 203 | 28.4493 | 50 | 0.1 | 24 |
IV.SFI.EHZ. | 2023-09-18T10:38:51.13 | 0.3 | undecidable | manual | S | 140 | 24.6531 | 112 | 0.03 | 74 |
IV.BOSL.HHN. | 2023-09-18T10:38:51.78 | 0.3 | undecidable | manual | S | 234 | 27.0507 | 50 | -0.01 | 74 |
IV.SEI.HHZ. | 2023-09-18T10:38:50.45 | 0.6 | undecidable | manual | S | 265 | 23.1546 | 113 | -0.18 | 48 |
IV.RINC.EHZ. | 2023-09-18T10:38:49.97 | 0.3 | undecidable | manual | S | 189 | 21.1677 | 115 | -0.01 | 75 |
IV.VISG.HHZ. | 2023-09-18T10:38:49.99 | 0.6 | undecidable | manual | S | 307 | 21.2676 | 115 | -0.02 | 50 |
IV.VMGN.HHZ. | 2023-09-18T10:38:48.51 | 0.1 | undecidable | manual | S | 215 | 16.1727 | 122 | 0.04 | 100 |
IV.RUFI.EHZ. | 2023-09-18T10:38:47.76 | 1.0 | undecidable | manual | P | 203 | 28.4493 | 50 | -0.06 | 24 |
IV.SFI.EHZ. | 2023-09-18T10:38:47.08 | 0.1 | undecidable | manual | P | 140 | 24.6531 | 112 | -0.12 | 97 |
IV.BOSL.HHN. | 2023-09-18T10:38:47.60 | 1.0 | undecidable | manual | P | 234 | 27.0507 | 50 | 0 | 25 |
IV.SEI.HHZ. | 2023-09-18T10:38:46.75 | 0.6 | undecidable | manual | P | 265 | 23.1546 | 113 | -0.18 | 48 |
IV.RINC.EHZ. | 2023-09-18T10:38:46.55 | 0.3 | undecidable | manual | P | 189 | 21.1677 | 115 | 0 | 75 |
IV.VISG.HHZ. | 2023-09-18T10:38:46.69 | 0.1 | undecidable | manual | P | 307 | 21.2676 | 115 | 0.12 | 98 |
IV.VMGN.HHZ. | 2023-09-18T10:38:45.78 | 0.1 | undecidable | manual | P | 215 | 16.1727 | 122 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.VMGN.HHN. | ML:0.4 | 0.0000181 | 0.36 | AML | other | m | 2023-09-18T10:38:50.57 |
IV.VMGN.HHE. | ML:0.2 | 0.00001285 | 0.7 | AML | other | m | 2023-09-18T10:38:50.85 |
IV.SEI.HHN. | ML:1.0 | 0.00006795 | 1.16 | AML | other | m | 2023-09-18T10:38:51.03 |
IV.SEI.HHE. | ML:0.9 | 0.00004985 | 0.88 | AML | other | m | 2023-09-18T10:38:51.06 |
ST.VARA.EHE. | ML:2.7 | 0.00014050000000000003 | 1.2 | AML | other | m | 2023-09-18T10:39:21.96 |
ST.VARA.EHN. | ML:2.6 | 0.0001225 | 0.56 | AML | other | m | 2023-09-18T10:39:21.38 |