A magnitude ML 0.8 earthquake occured in region: 2 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0800, 11.6420 at 7 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 |
Tredozio | FC | 8 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 8 | 1154 | 5505 |
Portico e San Benedetto | FC | 13 | 756 | 6261 |
Modigliana | FC | 15 | 4560 | 10821 |
Premilcuore | FC | 16 | 799 | 11620 |
Casola Valsenio | RA | 16 | 2617 | 14237 |
Rocca San Casciano | FC | 16 | 1910 | 16147 |
San Godenzo | FI | 17 | 1167 | 17314 |
Castel del Rio | BO | 19 | 1246 | 18560 |
Brisighella | RA | 19 | 7639 | 26199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-09-19 16:36:39 |
44.0798 | 11.6422 | 7 | 2023-09-19 16:51:08 |
Sala Sismica INGV-Roma | 121237191 |
Field | Value |
---|---|
Time (UTC) | 2023-09-19 16:36:39 ± 0.1 |
Latitude | 44.0798 ± 0.0045 |
Longitude | 11.6422 ± 0.0050 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 121237191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 459 |
Semi-minor axis of confidence ellipse (meter) | 270 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 334 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.64036 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 121237191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-19 16:51:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SOI.EHZ. | 2023-09-19T16:38:02.08 | 3.0 | undecidable | manual | Pn | 0.79 | 0 | |||
IT.LRNO.HNZ. | 2023-09-19T16:37:54.75 | 3.0 | undecidable | manual | Sg | 9.18 | 0 | |||
OX.CIMO.HHZ. | 2023-09-19T16:37:54.25 | 3.0 | undecidable | manual | Sg | 10.69 | 0 | |||
OT.CGL1.HHZ. | 2023-09-19T16:37:54.78 | 3.0 | undecidable | manual | Pg | 11.75 | 0 | |||
IV.RNI2.HHZ. | 2023-09-19T16:37:34.09 | 3.0 | undecidable | manual | Sn | -4.15 | 0 | |||
CR.STON.BHZ. | 2023-09-19T16:37:33.88 | 3.0 | undecidable | manual | Pn | 2.88 | 0 | |||
IV.AGLI.HHZ. | 2023-09-19T16:37:27.68 | 3.0 | positive | manual | Pg | 6.54 | 0 | |||
IV.MOCO.HHZ. | 2023-09-19T16:37:25.48 | 3.0 | negative | manual | Pg | 7.22 | 0 | |||
GU.MGRO.HHZ. | 2023-09-19T16:37:17.22 | 3.0 | undecidable | manual | Pn | -1.37 | 0 | |||
IV.PTRJ.HHZ. | 2023-09-19T16:37:13.89 | 3.0 | undecidable | manual | Pn | -0.29 | 0 | |||
GU.CARD.HHZ. | 2023-09-19T16:37:10.75 | 3.0 | undecidable | manual | Sn | 0.46 | 0 | |||
IV.LPEL.HHZ. | 2023-09-19T16:37:08.88 | 3.0 | undecidable | manual | Pg | 4.23 | 0 | |||
IV.CRE.HHZ. | 2023-09-19T16:36:57.42 | 0.6 | undecidable | manual | S | 154 | 56.7987 | 50 | -0.25 | 43 |
IV.NRCA.HHZ. | 2023-09-19T16:36:53.29 | 0.3 | undecidable | manual | S | 182.0844 | -9.99 | 0 | ||
IV.NRCA.HHZ. | 2023-09-19T16:36:49.57 | 0.6 | positive | manual | P | 182.0844 | -9.99 | 0 | ||
IV.CRE.HHZ. | 2023-09-19T16:36:49.59 | 0.6 | undecidable | manual | P | 154 | 56.7987 | 50 | -0.24 | 44 |
IV.SEI.HHZ. | 2023-09-19T16:36:47.27 | 0.3 | undecidable | manual | S | 263 | 22.755 | 107 | -0.09 | 72 |
IV.RINC.EHE. | 2023-09-19T16:36:47.02 | 0.3 | undecidable | manual | S | 187 | 21.6672 | 107 | 0.05 | 72 |
IV.VMGN.HHZ. | 2023-09-19T16:36:45.60 | 0.3 | undecidable | manual | S | 212 | 16.3725 | 113 | 0.33 | 69 |
IV.RINC.EHE. | 2023-09-19T16:36:43.68 | 0.1 | undecidable | manual | P | 187 | 21.6672 | 107 | 0.03 | 97 |
IV.VISG.HHZ. | 2023-09-19T16:36:43.55 | 3.0 | undecidable | manual | P | -1.24 | 0 | |||
IV.SEI.HHZ. | 2023-09-19T16:36:43.82 | 0.3 | negative | manual | P | 263 | 22.755 | 107 | -0.05 | 72 |
IV.VMGN.HHZ. | 2023-09-19T16:36:42.88 | 0.6 | undecidable | manual | P | 212 | 16.3725 | 113 | 0.21 | 47 |
IT.MOG.HNE. | 2023-09-19T16:36:42.51 | 0.1 | undecidable | manual | P | 45 | 14.0748 | 116 | 0.27 | 93 |
IT.MRR.HGN. | 2023-09-19T16:36:41.55 | 0.1 | undecidable | manual | S | 241 | 3.5964 | 152 | -0.22 | 96 |
IV.LMD.HHZ. | 2023-09-19T16:36:41.96 | 0.3 | undecidable | manual | S | 93 | 5.1948 | 143 | -0.11 | 73 |
IT.MRR.HGN. | 2023-09-19T16:36:40.62 | 0.1 | undecidable | manual | P | 241 | 3.5964 | 152 | -0.02 | 100 |
IV.LMD.HHZ. | 2023-09-19T16:36:40.80 | 0.1 | undecidable | manual | P | 93 | 5.1948 | 143 | -0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.FOSV.EHN. | ML:1.3 | 0.000016215 | 0.8 | AML | other | m | 2023-09-19T16:36:43.80 |
IV.VMGN.HHE. | ML:0.6 | 0.00003275 | 1.64 | AML | other | m | 2023-09-19T16:36:46.10 |
IV.VMGN.HHN. | ML:0.6 | 0.000034 | 1.58 | AML | other | m | 2023-09-19T16:36:46.13 |
IV.VISG.HHE. | ML:0.8 | 0.00004685 | 0.46 | AML | other | m | 2023-09-19T16:36:47.24 |
IV.VISG.HHN. | ML:0.8 | 0.000046649999999999996 | 0.52 | AML | other | m | 2023-09-19T16:36:47.40 |
IV.FOSV.EHE. | ML:1.6 | 0.0000241 | 0.5 | AML | other | m | 2023-09-19T16:36:51.36 |