A magnitude ML 0.7 earthquake occured in region: 3 km E Marradi (FI), on
and geographic coordinates (lat, lon) 44.0830, 11.6540 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 | 3 | 3139 | 3139 |
Tredozio | FC | 7 | 1212 | 4351 |
Palazzuolo sul Senio | FI | 9 | 1154 | 5505 |
Portico e San Benedetto | FC | 12 | 756 | 6261 |
Modigliana | FC | 14 | 4560 | 10821 |
Rocca San Casciano | FC | 15 | 1910 | 12731 |
Premilcuore | FC | 15 | 799 | 13530 |
Casola Valsenio | RA | 16 | 2617 | 16147 |
San Godenzo | FI | 18 | 1167 | 17314 |
Brisighella | RA | 18 | 7639 | 24953 |
Castel del Rio | BO | 19 | 1246 | 26199 |
Dovadola | FC | 19 | 1653 | 27852 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2023-09-21 08:58:09 |
44.0827 | 11.6542 | 7 | 2023-09-21 09:10:19 |
Sala Sismica INGV-Roma | 121306051 |
Field | Value |
---|---|
Time (UTC) | 2023-09-21 08:58:09 ± 0.12 |
Latitude | 44.0827 ± 0.0036 |
Longitude | 11.6542 ± 0.0038 |
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 | 121306051 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 357 |
Semi-minor axis of confidence ellipse (meter) | 223 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 209 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 154 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22573 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 121306051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-09-21 09:10:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MFNL.HHZ. | 2023-09-21T08:59:39.53 | 3.0 | undecidable | manual | Sn | -5.51 | 0 | |||
NI.PALA.HHZ. | 2023-09-21T08:59:38.23 | 3.0 | undecidable | manual | Sn | -2.13 | 0 | |||
IV.MRVN.HHZ. | 2023-09-21T08:59:38.27 | 3.0 | undecidable | manual | Sn | -3.46 | 0 | |||
IV.CIGN.HHZ. | 2023-09-21T08:59:29.40 | 3.0 | undecidable | manual | Sg | 13.94 | 0 | |||
IV.MELA.HHZ. | 2023-09-21T08:59:23.36 | 3.0 | undecidable | manual | Sn | 4.04 | 0 | |||
IV.SPS2.HHZ. | 2023-09-21T08:59:17.91 | 3.0 | undecidable | manual | Pg | 17.82 | 0 | |||
7C.SPAOL.HNZ. | 2023-09-21T08:59:05.75 | 3.0 | undecidable | manual | Pn | -0.29 | 0 | |||
IV.GIB.HHZ. | 2023-09-21T08:59:05.77 | 3.0 | negative | manual | Pg | 11.4 | 0 | |||
NI.PALA.HHZ. | 2023-09-21T08:59:04.99 | 3.0 | undecidable | manual | Pg | 16.959999 | 0 | |||
GU.GSCL.HHZ. | 2023-09-21T08:58:42.74 | 3.0 | undecidable | manual | S | -0.71 | 0 | |||
IT.PLTA.HNZ. | 2023-09-21T08:58:34.71 | 3.0 | positive | manual | Pn | 2.23 | 0 | |||
IV.MELA.HHZ. | 2023-09-21T08:58:32.97 | 3.0 | undecidable | manual | Pn | -3.24 | 0 | |||
IV.MF5.EHZ. | 2023-09-21T08:58:20.38 | 3.0 | undecidable | manual | Pn | -0.27 | 0 | |||
GU.GSCL.HHZ. | 2023-09-21T08:58:19.92 | 3.0 | undecidable | manual | Pn | 3.86 | 0 | |||
IV.SFI.EHZ. | 2023-09-21T08:58:18.99 | 0.6 | undecidable | manual | S | 142 | 25.0527 | 106 | 0.12 | 66 |
IV.SEI.HHZ. | 2023-09-21T08:58:18.22 | 0.6 | undecidable | manual | S | 262 | 23.754 | 106 | -0.23 | 64 |
IV.VISG.HHZ. | 2023-09-21T08:58:17.79 | 0.6 | undecidable | manual | S | 304 | 21.0678 | 108 | 0.22 | 65 |
IV.RINC.EHZ. | 2023-09-21T08:58:17.96 | 0.6 | undecidable | manual | S | 190 | 22.0668 | 107 | 0.06 | 67 |
IV.VMGN.HHZ. | 2023-09-21T08:58:16.36 | 0.6 | undecidable | manual | S | 214 | 17.1717 | 112 | 0.06 | 67 |
IV.MURB.HNZ. | 2023-09-21T08:58:16.22 | 3.0 | undecidable | manual | P | 2.43 | 0 | |||
IV.RINC.EHZ. | 2023-09-21T08:58:14.49 | 0.6 | negative | manual | P | 190 | 22.0668 | 107 | -0.01 | 67 |
IV.SFI.EHZ. | 2023-09-21T08:58:14.94 | 0.3 | positive | manual | P | 142 | 25.0527 | 106 | -0.12 | 98 |
IV.SEI.HHZ. | 2023-09-21T08:58:14.69 | 0.3 | positive | manual | P | 262 | 23.754 | 106 | -0.13 | 98 |
IV.NRCA.HNZ. | 2023-09-21T08:58:14.89 | 3.0 | positive | manual | Pn | -1.79 | 0 | |||
IV.VISG.HHZ. | 2023-09-21T08:58:14.45 | 1.0 | negative | manual | P | 304 | 21.0678 | 108 | 0.14 | 33 |
IV.VMGN.HHZ. | 2023-09-21T08:58:13.69 | 0.3 | positive | manual | P | 214 | 17.1717 | 112 | 0.11 | 100 |
IV.ARCI.HHZ. | 2023-09-21T08:58:13.64 | 3.0 | undecidable | manual | S | -4.59 | 0 | |||
IV.LATB.EHZ. | 2023-09-21T08:58:12.34 | 3.0 | positive | manual | Pn | -2.58 | 0 | |||
IV.LMD.HHZ. | 2023-09-21T08:58:12.62 | 0.6 | undecidable | manual | S | 98 | 4.2957 | 148 | -0.07 | 69 |
IV.LMD.HHZ. | 2023-09-21T08:58:11.50 | 1.0 | undecidable | manual | P | 98 | 4.2957 | 148 | 0.01 | 35 |
FR.AJAC.HHZ.00 | 2023-09-21T08:58:00.06 | 3.0 | positive | manual | P | 1.1 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RINC.EHN. | ML:0.6 | 0.000026796010000000003 | 0.6016 | AML | other | m | 2023-09-21T08:58:21.18 |
IV.SEI.HHE. | ML:1.0 | 0.00005830000000000001 | 0.28 | AML | other | m | 2023-09-21T08:58:18.59 |
IV.SEI.HHN. | ML:1.2 | 0.00010719999999999999 | 0.26 | AML | other | m | 2023-09-21T08:58:19.00 |
IV.RINC.EHE. | ML:0.6 | 0.000030850000000000004 | 1.38 | AML | other | m | 2023-09-21T08:58:20.04 |
IV.MFNL.HHN. | ML:0.0 | 0.00023249999999999999 | 0.26 | AML | other | m | 2023-09-21T08:59:40.46 |
IV.MFNL.HHE. | ML:0.0 | 0.00046950000000000003 | 0.16 | AML | other | m | 2023-09-21T08:59:49.58 |
IV.LMD.HHE. | ML:0.0 | 0.00013921225 | 0.096 | AML | other | m | 2023-09-21T08:58:12.69 |
IV.LMD.HHN. | ML:0.0 | 0.0003036557 | 0.096 | AML | other | m | 2023-09-21T08:58:12.66 |
IV.VMGN.HHE. | ML:0.0 | 0.000012401057999999999 | 0.2368 | AML | other | m | 2023-09-21T08:58:19.28 |
IV.VMGN.HHN. | ML:0.3 | 0.0000182127555 | 0.3968 | AML | other | m | 2023-09-21T08:58:19.16 |
IV.VISG.HHE. | ML:0.5 | 0.000023216895 | 0.1792 | AML | other | m | 2023-09-21T08:58:18.13 |
IV.VISG.HHN. | ML:0.7 | 0.000035395405 | 0.1152 | AML | other | m | 2023-09-21T08:58:18.34 |
IV.SFI.EHE. | ML:0.7 | 0.000030469934999999997 | 0.16 | AML | other | m | 2023-09-21T08:58:19.51 |
IV.SFI.EHN. | ML:0.8 | 0.000040351804999999996 | 0.1216 | AML | other | m | 2023-09-21T08:58:19.59 |
IV.SFI.HNE. | ML:1.3 | 0.000128415075 | 0.5888 | AML | other | m | 2023-09-21T08:58:19.36 |
IV.SFI.HNN. | ML:1.2 | 0.00008930595999999999 | 1.6 | AML | other | m | 2023-09-21T08:58:20.56 |