A magnitude ML 2.1 earthquake occured in region: 1 km NW Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9840, 11.7720 at 8 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Premilcuore | FC | 1 | 799 | 799 |
Portico e San Benedetto | FC | 5 | 756 | 1555 |
Rocca San Casciano | FC | 10 | 1910 | 3465 |
Tredozio | FC | 11 | 1212 | 4677 |
Galeata | FC | 11 | 2516 | 7193 |
Santa Sofia | FC | 12 | 4136 | 11329 |
Civitella di Romagna | FC | 14 | 3786 | 15115 |
San Godenzo | FI | 14 | 1167 | 16282 |
Marradi | FI | 16 | 3139 | 19421 |
Dovadola | FC | 18 | 1653 | 21074 |
Modigliana | FC | 19 | 4560 | 25634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 2.1 | 2021-09-11 22:49:30 |
43.9837 | 11.7723 | 8 | 2022-03-30 13:04:12 |
Bollettino Sismico Italiano INGV | 96796681 |
Reviewed Rev100 |
ML 2.1 | 2021-09-11 22:49:30 |
43.9793 | 11.7672 | 9 | 2021-09-11 22:56:42 |
Sala Sismica INGV-Roma | 95319811 |
Field | Value |
---|---|
Time (UTC) | 2021-09-11 22:49:30 ± 0.07 |
Latitude | 43.9837 ± 0.0045 |
Longitude | 11.7723 ± 0.0050 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96796681 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 528 |
Semi-minor axis of confidence ellipse (meter) | 100 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 224 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 530.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 46 |
Number of defining phases | 40 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.36247 |
Number of stations at which the event was observed | 34 |
Number of stations from which data was used for origin computation | 29 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 54 |
Type of magnitude | ML |
Reference to an origin | 95319811 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-11 22:56:42 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.3 |
Num. used stations | 52 |
Type of magnitude | ML |
Reference to an origin | 96796681 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-07 16:03:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.VCRE.HHZ. | 2021-09-11T22:51:21.91 | 3.0 | undecidable | manual | Sg | 9.75 | 0 | |||
IV.PTRJ.HNZ. | 2021-09-11T22:51:16.77 | 3.0 | undecidable | manual | Sg | 14.64 | 0 | |||
GU.MGRO.HHZ. | 2021-09-11T22:51:03.20 | 3.0 | undecidable | manual | Sg | 12.35 | 0 | |||
IV.LAV9.HHZ. | 2021-09-11T22:50:39.27 | 3.0 | undecidable | manual | Sn | -0.52 | 0 | |||
GU.MGRO.HHZ. | 2021-09-11T22:50:27.79 | 3.0 | undecidable | manual | Pg | 12.33 | 0 | |||
IV.ZEN8.EHZ. | 2021-09-11T22:50:03.10 | 3.0 | undecidable | manual | Pg | 1.92 | 0 | |||
IV.MML1.EHZ. | 2021-09-11T22:49:54.18 | 0.3 | undecidable | manual | P | 135 | 136.4634 | 50 | 1.13 | 41 |
IV.CASP.HHZ. | 2021-09-11T22:49:54.93 | 0.3 | undecidable | manual | P | 209 | 151.2375 | 50 | -0.39 | 53 |
IV.MGAB.HHZ. | 2021-09-11T22:49:51.36 | 0.3 | undecidable | manual | P | 167 | 121.8891 | 50 | 0.55 | 54 |
IV.CRMI.HHZ. | 2021-09-11T22:49:51.84 | 0.6 | undecidable | manual | S | 252 | 66.7776 | 50 | 0.69 | 38 |
IV.ATCC.EHZ. | 2021-09-11T22:49:49.68 | 0.3 | undecidable | manual | P | 141 | 112.6983 | 50 | 0.29 | 59 |
IV.SSP9.EHZ. | 2021-09-11T22:49:48.05 | 0.6 | undecidable | manual | S | 148 | 53.8017 | 50 | 0.35 | 43 |
IV.PII.HHZ. | 2021-09-11T22:49:48.26 | 0.3 | undecidable | manual | P | 254 | 103.9182 | 50 | 0.22 | 61 |
IV.PARC.HHZ. | 2021-09-11T22:49:47.50 | 0.6 | undecidable | manual | S | 135 | 52.7028 | 50 | 0.1 | 46 |
IV.MOCL.EHZ. | 2021-09-11T22:49:46.25 | 0.6 | undecidable | manual | S | 273 | 47.3193 | 50 | 0.29 | 45 |
IV.MPAG.EHZ. | 2021-09-11T22:49:45.67 | 0.3 | undecidable | manual | P | 116 | 88.245 | 50 | 0.05 | 65 |
IV.ATVO.HHZ. | 2021-09-11T22:49:44.73 | 0.3 | undecidable | manual | P | 142 | 83.9493 | 50 | -0.22 | 63 |
IV.ATMI.HHZ. | 2021-09-11T22:49:44.64 | 0.3 | undecidable | manual | P | 151 | 82.251 | 50 | -0.06 | 66 |
IV.CRE.HHZ. | 2021-09-11T22:49:44.74 | 0.6 | undecidable | manual | S | 160 | 42.9237 | 50 | -0.06 | 47 |
GU.POPM.HHZ. | 2021-09-11T22:49:44.75 | 0.3 | undecidable | manual | P | 275 | 81.3519 | 50 | 0.2 | 64 |
IV.ATPI.EHZ. | 2021-09-11T22:49:43.64 | 0.3 | undecidable | manual | P | 139 | 77.7666 | 50 | -0.36 | 62 |
IV.CAFI.HHZ. | 2021-09-11T22:49:43.51 | 0.3 | undecidable | manual | P | 168 | 74.2701 | 50 | 0.05 | 67 |
IV.CSNT.HHZ. | 2021-09-11T22:49:42.75 | 0.3 | undecidable | manual | P | 214 | 68.5758 | 50 | 0.16 | 66 |
IV.PE3.EHZ. | 2021-09-11T22:49:42.50 | 0.3 | undecidable | manual | P | 119 | 66.0894 | 50 | 0.29 | 65 |
IV.SEI.HHZ. | 2021-09-11T22:49:42.39 | 0.6 | undecidable | manual | S | 284 | 33.9438 | 103 | 0.07 | 48 |
IV.OSSC.HHZ. | 2021-09-11T22:49:42.22 | 0.3 | undecidable | manual | P | 220 | 66.1893 | 50 | -0.01 | 68 |
IV.CRMI.HHZ. | 2021-09-11T22:49:42.41 | 0.1 | undecidable | manual | P | 252 | 66.7776 | 50 | 0.1 | 89 |
IV.VISG.HHZ. | 2021-09-11T22:49:42.71 | 0.6 | undecidable | manual | S | 310 | 35.2425 | 50 | -0.05 | 48 |
IV.BRIS.HHZ. | 2021-09-11T22:49:40.51 | 0.6 | undecidable | manual | S | 359 | 26.751 | 107 | 0.6 | 43 |
IV.MPPT.EHZ. | 2021-09-11T22:49:40.33 | 0.1 | undecidable | manual | P | 267 | 54.501 | 50 | -0.1 | 92 |
IV.FNVD.HHZ. | 2021-09-11T22:49:40.53 | 0.3 | undecidable | manual | P | 292 | 55.6998 | 50 | -0.07 | 69 |
IV.PARC.HHZ. | 2021-09-11T22:49:39.66 | 0.1 | undecidable | manual | P | 135 | 52.7028 | 50 | -0.48 | 85 |
IV.MOCL.EHZ. | 2021-09-11T22:49:39.14 | 0.1 | undecidable | manual | P | 273 | 47.3193 | 50 | -0.17 | 91 |
IV.SSP9.EHZ. | 2021-09-11T22:49:39.98 | 0.3 | undecidable | manual | P | 148 | 53.8017 | 50 | -0.33 | 65 |
IV.RUFI.EHE. | 2021-09-11T22:49:39.88 | 0.6 | undecidable | manual | S | 233 | 26.5512 | 107 | 0.05 | 49 |
IV.MTRZ.HNZ. | 2021-09-11T22:49:39.57 | 0.3 | undecidable | manual | P | 323 | 45.8208 | 50 | 0.49 | 64 |
IV.IMOL.EHZ. | 2021-09-11T22:49:38.25 | 0.3 | undecidable | manual | P | 357 | 41.7249 | 50 | -0.21 | 69 |
IV.ASQU.HHZ. | 2021-09-11T22:49:38.11 | 0.6 | undecidable | manual | S | 176 | 20.7681 | 111 | 0.15 | 48 |
IV.CRE.HHZ. | 2021-09-11T22:49:38.16 | 0.1 | positive | manual | P | 160 | 42.9237 | 50 | -0.48 | 86 |
IV.VISG.HHZ. | 2021-09-11T22:49:36.90 | 0.1 | undecidable | manual | P | 310 | 35.2425 | 50 | -0.56 | 85 |
IV.SEI.HHZ. | 2021-09-11T22:49:36.85 | 0.1 | undecidable | manual | P | 284 | 33.9438 | 103 | -0.36 | 90 |
IV.RUFI.EHE. | 2021-09-11T22:49:35.74 | 0.1 | undecidable | manual | P | 233 | 26.5512 | 107 | -0.03 | 98 |
IV.BRIS.HHZ. | 2021-09-11T22:49:35.84 | 0.1 | undecidable | manual | P | 359 | 26.751 | 107 | 0.03 | 98 |
IV.SFI.HNZ. | 2021-09-11T22:49:34.87 | 0.6 | undecidable | manual | S | 146 | 10.5783 | 127 | 0.03 | 50 |
IV.ASQU.HHZ. | 2021-09-11T22:49:34.72 | 0.1 | positive | manual | P | 176 | 20.7681 | 111 | 0.03 | 98 |
IV.SFI.HNZ. | 2021-09-11T22:49:32.93 | 0.1 | undecidable | manual | P | 146 | 10.5783 | 127 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.HNN. | ML:2.6 | 0.005984999999999999 | 0.46 | AML | other | m | 2021-09-11T22:49:35.01 |
IV.SFI.EHN. | ML:2.6 | 0.006199999999999999 | 0.44 | AML | other | m | 2021-09-11T22:49:35.02 |
IV.SFI.EHE. | ML:2.6 | 0.006275 | 0.1 | AML | other | m | 2021-09-11T22:49:35.07 |
IV.SFI.HNE. | ML:2.6 | 0.006425 | 0.08 | AML | other | m | 2021-09-11T22:49:35.07 |
IV.ASQU.HHE. | ML:2.5 | 0.0021950000000000003 | 0.14 | AML | other | m | 2021-09-11T22:49:38.70 |
IV.BRIS.HHE. | ML:2.8 | 0.003985 | 0.32 | AML | other | m | 2021-09-11T22:49:40.80 |
IV.ASQU.HHN. | ML:2.2 | 0.001085 | 0.8 | AML | other | m | 2021-09-11T22:49:41.67 |
IV.BRIS.HHN. | ML:2.8 | 0.00342 | 0.8 | AML | other | m | 2021-09-11T22:49:41.92 |
IV.SEI.HHE. | ML:2.6 | 0.0019100000000000002 | 0.26 | AML | other | m | 2021-09-11T22:49:42.86 |
IV.SEI.HHN. | ML:2.8 | 0.0029699999999999996 | 0.38 | AML | other | m | 2021-09-11T22:49:42.88 |
IV.VISG.HHN. | ML:1.9 | 0.00030649999999999997 | 0.72 | AML | other | m | 2021-09-11T22:49:44.27 |
IV.CRE.HHN. | ML:2.6 | 0.001355 | 0.38 | AML | other | m | 2021-09-11T22:49:45.21 |
IV.CRE.HHE. | ML:2.1 | 0.00039200000000000004 | 0.26 | AML | other | m | 2021-09-11T22:49:45.77 |
IV.VISG.HHE. | ML:1.6 | 0.0001635 | 0.74 | AML | other | m | 2021-09-11T22:49:45.82 |
IV.MOCL.EHE. | ML:2.1 | 0.0003275 | 0.64 | AML | other | m | 2021-09-11T22:49:46.54 |
IV.MOCL.EHN. | ML:2.1 | 0.0003525 | 0.82 | AML | other | m | 2021-09-11T22:49:47.41 |
IV.IMOL.HNE. | ML:2.5 | 0.0011275 | 0.28 | AML | other | m | 2021-09-11T22:49:47.91 |
IV.IMOL.HNN. | ML:2.6 | 0.001435 | 0.86 | AML | other | m | 2021-09-11T22:49:48.81 |
IV.MPPT.EHN. | ML:2.2 | 0.0004185 | 1.16 | AML | other | m | 2021-09-11T22:49:49.10 |
IV.SSP9.EHE. | ML:1.8 | 0.00015900000000000002 | 0.42 | AML | other | m | 2021-09-11T22:49:49.16 |
IV.MPPT.EHE. | ML:1.9 | 0.00019800000000000002 | 0.3 | AML | other | m | 2021-09-11T22:49:49.31 |
IV.SSP9.EHN. | ML:2.0 | 0.0002185 | 0.76 | AML | other | m | 2021-09-11T22:49:50.45 |
IV.PARC.HHE. | ML:1.7 | 0.000135 | 0.68 | AML | other | m | 2021-09-11T22:49:50.83 |
IV.PARC.HHN. | ML:2.0 | 0.0002235 | 0.6 | AML | other | m | 2021-09-11T22:49:52.25 |
IV.CRMI.HHE. | ML:1.9 | 0.000129 | 0.44 | AML | other | m | 2021-09-11T22:49:52.50 |
IV.CRMI.HHN. | ML:2.3 | 0.00033150000000000003 | 0.72 | AML | other | m | 2021-09-11T22:49:52.27 |
IV.FNVD.HHN. | ML:2.1 | 0.0003155 | 1.44 | AML | other | m | 2021-09-11T22:49:52.22 |
IV.OSSC.HHE. | ML:2.1 | 0.00021100000000000003 | 1.4 | AML | other | m | 2021-09-11T22:49:53.83 |
IV.PE3.EHE. | ML:2.2 | 0.0002735 | 0.46 | AML | other | m | 2021-09-11T22:49:53.14 |
IV.CSNT.HHE. | ML:1.8 | 0.00010800000000000001 | 0.42 | AML | other | m | 2021-09-11T22:49:55.60 |
IV.PE3.EHN. | ML:2.1 | 0.000251 | 1.5 | AML | other | m | 2021-09-11T22:49:55.87 |
IV.OSSC.HHN. | ML:2.0 | 0.0001995 | 1.26 | AML | other | m | 2021-09-11T22:49:56.85 |
IV.CSNT.HHN. | ML:2.0 | 0.000161 | 1.16 | AML | other | m | 2021-09-11T22:49:56.39 |
IV.ATPI.EHN. | ML:1.7 | 0.00008165 | 1.28 | AML | other | m | 2021-09-11T22:49:56.28 |
IV.CAFI.HHN. | ML:1.8 | 0.00010899999999999999 | 0.5 | AML | other | m | 2021-09-11T22:49:57.40 |
IV.FNVD.HHE. | ML:2.1 | 0.00029549999999999997 | 0.56 | AML | other | m | 2021-09-11T22:49:57.44 |
GU.POPM.HHN. | ML:2.1 | 0.00017999999999999998 | 0.3 | AML | other | m | 2021-09-11T22:49:57.40 |
IV.CAFI.HHE. | ML:2.0 | 0.000158 | 0.54 | AML | other | m | 2021-09-11T22:49:58.31 |
GU.POPM.HHE. | ML:1.9 | 0.0001095 | 0.74 | AML | other | m | 2021-09-11T22:49:59.76 |
IV.ATMI.HHN. | ML:2.3 | 0.00027749999999999997 | 0.52 | AML | other | m | 2021-09-11T22:49:59.67 |
IV.ATMI.HHE. | ML:2.2 | 0.000207 | 0.32 | AML | other | m | 2021-09-11T22:50:01.52 |
IV.ATVO.HHE. | ML:2.0 | 0.0001395 | 0.7 | AML | other | m | 2021-09-11T22:50:02.63 |
IV.PII.HHN. | ML:2.2 | 0.000135 | 0.9 | AML | other | m | 2021-09-11T22:50:04.50 |
IV.ATVO.HHN. | ML:1.9 | 0.00010795000000000001 | 1.12 | AML | other | m | 2021-09-11T22:50:04.76 |
IV.PII.HHE. | ML:2.2 | 0.00014050000000000003 | 1.54 | AML | other | m | 2021-09-11T22:50:05.17 |
IV.MGAB.HHN. | ML:2.1 | 0.00008335 | 1.34 | AML | other | m | 2021-09-11T22:50:08.10 |
IV.MPAG.EHN. | ML:1.7 | 0.00005365 | 0.48 | AML | other | m | 2021-09-11T22:50:09.45 |
IV.ATCC.EHN. | ML:2.1 | 0.0000969 | 0.36 | AML | other | m | 2021-09-11T22:50:10.57 |
IV.ATCC.EHE. | ML:2.2 | 0.00011949999999999999 | 0.66 | AML | other | m | 2021-09-11T22:50:11.53 |
IV.ATPI.EHE. | ML:1.7 | 0.0000756 | 0.48 | AML | other | m | 2021-09-11T22:50:12.16 |
IV.MGAB.HHE. | ML:2.3 | 0.000142 | 0.76 | AML | other | m | 2021-09-11T22:50:12.95 |
IV.MPAG.EHE. | ML:1.6 | 0.0000504 | 1.5 | AML | other | m | 2021-09-11T22:50:14.77 |