A magnitude ML 1.7 earthquake occured in region: 4 km S Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9460, 11.7870 at 6 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 | 4 | 799 | 799 |
Portico e San Benedetto | FC | 9 | 756 | 1555 |
Santa Sofia | FC | 10 | 4136 | 5691 |
Galeata | FC | 12 | 2516 | 8207 |
San Godenzo | FI | 14 | 1167 | 9374 |
Rocca San Casciano | FC | 14 | 1910 | 11284 |
Civitella di Romagna | FC | 14 | 3786 | 15070 |
Tredozio | FC | 15 | 1212 | 16282 |
Pratovecchio Stia | AR | 18 | 5845 | 22127 |
Bagno di Romagna | FC | 18 | 6026 | 28153 |
Londa | FI | 20 | 1840 | 29993 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-01-16 00:01:36 |
43.9458 | 11.7868 | 6 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86633351 |
Reviewed Rev100 |
ML 1.9 | 2021-01-16 00:01:36 |
43.9498 | 11.7938 | 8 | 2021-01-16 00:06:09 |
Sala Sismica INGV-Roma | 86285911 |
Field | Value |
---|---|
Time (UTC) | 2021-01-16 00:01:36 ± 0.09 |
Latitude | 43.9458 ± 0.0045 |
Longitude | 11.7868 ± 0.0075 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86633351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 481 |
Semi-minor axis of confidence ellipse (meter) | 399 |
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) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.05936 |
Epicentral distance of station farthest from the epicenter (degree) | 0.56927 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 86633351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-04 11:43:50 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 86285911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-16 00:06:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PE3.EHZ. | 2021-01-16T00:01:58.52 | 0.6 | undecidable | manual | S | 116 | 63.1923 | 50 | 1.21 | 30 |
IV.PARC.HHE. | 2021-01-16T00:01:53.10 | 0.6 | undecidable | manual | S | 132 | 48.9177 | 50 | -0.41 | 43 |
IV.SSP9.EHZ. | 2021-01-16T00:01:53.57 | 0.6 | undecidable | manual | S | 146 | 49.617 | 50 | -0.13 | 46 |
IV.CRE.HHZ. | 2021-01-16T00:01:50.15 | 0.6 | undecidable | manual | S | 160 | 38.628 | 99 | -0.34 | 45 |
IV.SEI.HHZ. | 2021-01-16T00:01:49.46 | 0.3 | undecidable | manual | S | 290 | 36.2415 | 100 | -0.22 | 69 |
IV.PE3.EHZ. | 2021-01-16T00:01:48.84 | 0.6 | undecidable | manual | P | 116 | 63.1923 | 50 | 0.15 | 45 |
IV.BRIS.HHZ. | 2021-01-16T00:01:48.17 | 0.6 | undecidable | manual | S | 357 | 30.9468 | 101 | 0.29 | 46 |
IV.RONT.HHZ. | 2021-01-16T00:01:47.63 | 0.6 | undecidable | manual | S | 281 | 28.749 | 102 | 0.5 | 44 |
IV.MTRZ.HNN. | 2021-01-16T00:01:47.03 | 0.6 | undecidable | manual | P | 325 | 49.9167 | 50 | 0.38 | 44 |
IV.BRSN.HNE. | 2021-01-16T00:01:46.18 | 0.6 | undecidable | manual | P | 32 | 44.2224 | 50 | 0.41 | 44 |
IV.IMOL.HNZ. | 2021-01-16T00:01:46.61 | 0.3 | undecidable | manual | P | 356 | 46.0206 | 50 | 0.56 | 63 |
IT.FAZ.HNZ. | 2021-01-16T00:01:45.58 | 0.6 | undecidable | manual | P | 12 | 39.9267 | 99 | 0.56 | 42 |
IV.RUFI.EHZ. | 2021-01-16T00:01:45.88 | 0.3 | undecidable | manual | S | 242 | 25.1526 | 104 | -0.05 | 73 |
IV.SSP9.EHZ. | 2021-01-16T00:01:45.90 | 1.0 | undecidable | manual | P | 146 | 49.617 | 50 | -0.71 | 20 |
IV.PARC.HHE. | 2021-01-16T00:01:45.80 | 0.3 | undecidable | manual | P | 132 | 48.9177 | 50 | -0.7 | 59 |
IV.CRE.HHZ. | 2021-01-16T00:01:44.17 | 0.1 | undecidable | manual | P | 160 | 38.628 | 99 | -0.58 | 84 |
IV.BRIS.HHZ. | 2021-01-16T00:01:43.11 | 0.1 | undecidable | manual | P | 357 | 30.9468 | 101 | -0.14 | 95 |
IV.SEI.HHZ. | 2021-01-16T00:01:43.88 | 0.1 | undecidable | manual | P | 290 | 36.2415 | 100 | -0.41 | 89 |
IV.ASQU.HHZ. | 2021-01-16T00:01:43.47 | 0.3 | undecidable | manual | S | 179 | 16.5723 | 111 | 0.41 | 69 |
IV.RINC.HHZ. | 2021-01-16T00:01:43.24 | 0.3 | undecidable | manual | S | 245 | 15.7731 | 112 | 0.42 | 69 |
IV.RUFI.EHZ. | 2021-01-16T00:01:42.01 | 0.1 | undecidable | manual | P | 242 | 25.1526 | 104 | -0.11 | 97 |
IV.LMD.HHZ. | 2021-01-16T00:01:42.38 | 0.6 | undecidable | manual | S | 337 | 15.9729 | 111 | -0.48 | 45 |
IV.RONT.HHZ. | 2021-01-16T00:01:42.88 | 0.3 | undecidable | manual | P | 281 | 28.749 | 102 | 0.06 | 73 |
IV.RINC.HHZ. | 2021-01-16T00:01:40.48 | 0.1 | undecidable | manual | P | 245 | 15.7731 | 112 | 0.15 | 97 |
IV.SFI.EHZ. | 2021-01-16T00:01:40.27 | 0.3 | undecidable | manual | S | 133 | 6.5934 | 133 | 0.19 | 74 |
IV.ASQU.HHZ. | 2021-01-16T00:01:40.63 | 0.1 | undecidable | manual | P | 179 | 16.5723 | 111 | 0.17 | 97 |
IV.LMD.HHZ. | 2021-01-16T00:01:39.83 | 0.1 | undecidable | manual | P | 337 | 15.9729 | 111 | -0.52 | 90 |
IV.SFI.EHZ. | 2021-01-16T00:01:38.84 | 0.1 | undecidable | manual | P | 133 | 6.5934 | 133 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHN. | ML:1.5 | 0.0003350177 | 0.34 | AML | other | m | 2021-01-16T00:01:42.66 |
IV.LMD.HHE. | ML:1.5 | 0.00032059195 | 0.16 | AML | other | m | 2021-01-16T00:01:43.02 |
IV.ASQU.HHE. | ML:1.7 | 0.00049242115 | 0.24 | AML | other | m | 2021-01-16T00:01:44.23 |
IV.ASQU.HHN. | ML:1.8 | 0.000666 | 0.24 | AML | other | m | 2021-01-16T00:01:44.37 |
IV.RINC.HHN. | ML:1.5 | 0.00034399999999999996 | 0.44 | AML | other | m | 2021-01-16T00:01:45.09 |
IV.RINC.HHE. | ML:1.5 | 0.00032799999999999995 | 1.6 | AML | other | m | 2021-01-16T00:01:46.02 |
IV.RUFI.EHN. | ML:1.4 | 0.000162 | 0.34 | AML | other | m | 2021-01-16T00:01:46.31 |
IV.RUFI.EHE. | ML:1.3 | 0.00013295836 | 0.18 | AML | other | m | 2021-01-16T00:01:46.95 |
IV.RONT.HHE. | ML:1.8 | 0.0003533108 | 0.1 | AML | other | m | 2021-01-16T00:01:48.49 |
IV.BRIS.HHE. | ML:1.8 | 0.000295 | 0.26 | AML | other | m | 2021-01-16T00:01:48.46 |
IV.BRIS.HHN. | ML:1.8 | 0.00031032445 | 0.3 | AML | other | m | 2021-01-16T00:01:48.84 |
IV.RONT.HHN. | ML:1.8 | 0.000316 | 0.16 | AML | other | m | 2021-01-16T00:01:49.14 |
IV.SEI.HHN. | ML:2.1 | 0.0005541118000000001 | 0.18 | AML | other | m | 2021-01-16T00:01:49.84 |
IV.SEI.HHE. | ML:1.9 | 0.00029850294999999997 | 0.22 | AML | other | m | 2021-01-16T00:01:50.23 |
IV.CRE.HHN. | ML:2.1 | 0.00047299999999999995 | 0.26 | AML | other | m | 2021-01-16T00:01:50.62 |
IV.CRE.HHE. | ML:1.8 | 0.00022 | 0.24 | AML | other | m | 2021-01-16T00:01:51.19 |