A magnitude ML 1.8 earthquake occured in region: 4 km W Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9800, 11.7240 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 | 7 | 756 | 1555 |
San Godenzo | FI | 10 | 1167 | 2722 |
Tredozio | FC | 11 | 1212 | 3934 |
Rocca San Casciano | FC | 13 | 1910 | 5844 |
Marradi | FI | 14 | 3139 | 8983 |
Galeata | FC | 15 | 2516 | 11499 |
Santa Sofia | FC | 15 | 4136 | 15635 |
Civitella di Romagna | FC | 18 | 3786 | 19421 |
Londa | FI | 18 | 1840 | 21261 |
Dicomano | FI | 19 | 5515 | 26776 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2019-12-22 15:41:59 |
43.9805 | 11.7238 | 7 | 2020-02-28 16:42:21 |
Bollettino Sismico Italiano INGV | 75986351 |
Reviewed Rev100 |
ML 2.1 | 2019-12-22 15:41:59 |
43.9898 | 11.7278 | 9 | 2019-12-22 15:48:38 |
Sala Sismica INGV-Roma | 74900521 |
Field | Value |
---|---|
Time (UTC) | 2019-12-22 15:41:59 ± 0.14 |
Latitude | 43.9805 ± 0.0063 |
Longitude | 11.7238 ± 0.0112 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 75986351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 854 |
Semi-minor axis of confidence ellipse (meter) | 300 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 75 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 850.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.46 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39660 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 75986351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-01-29 07:23:16 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 74900521 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2019-12-22 15:48:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRE.HHZ. | 2019-12-22T15:42:14.30 | 0.1 | undecidable | manual | S | 155 | 44.0226 | 50 | -0.51 | 87 |
IV.IMOL.HNZ. | 2019-12-22T15:42:14.43 | 0.3 | undecidable | manual | S | 2 | 42.0246 | 50 | 0.15 | 71 |
IV.ASQU.HHZ. | 2019-12-22T15:42:11.25 | 3.0 | undecidable | manual | S | 0 | ||||
IV.ASQU.HHZ. | 2019-12-22T15:42:10.00 | 3.0 | undecidable | manual | P | 0 | ||||
IV.SEI.HHZ. | 2019-12-22T15:42:10.20 | 0.1 | undecidable | manual | S | 286 | 30.2475 | 102 | -0.11 | 98 |
IV.BRIS.HHZ. | 2019-12-22T15:42:09.63 | 0.1 | undecidable | manual | S | 7 | 27.2505 | 103 | 0.33 | 94 |
IV.MTRZ.HNN. | 2019-12-22T15:42:09.24 | 0.3 | undecidable | manual | P | 327 | 43.9227 | 50 | 0.89 | 56 |
IV.IMOL.HNZ. | 2019-12-22T15:42:08.95 | 0.3 | undecidable | manual | P | 2 | 42.0246 | 50 | 0.88 | 56 |
IV.RONT.HHZ. | 2019-12-22T15:42:08.45 | 3.0 | undecidable | manual | S | 0.39 | 0 | |||
IV.RUFI.EHZ. | 2019-12-22T15:42:08.44 | 0.1 | undecidable | manual | S | 227 | 23.2545 | 105 | 0.48 | 91 |
IV.CRE.HHZ. | 2019-12-22T15:42:07.76 | 0.1 | undecidable | manual | P | 155 | 44.0226 | 50 | -0.61 | 84 |
IV.BRIS.HHZ. | 2019-12-22T15:42:05.01 | 0.1 | undecidable | manual | P | 7 | 27.2505 | 103 | -0.18 | 97 |
IV.SEI.HHZ. | 2019-12-22T15:42:05.37 | 0.1 | positive | manual | P | 286 | 30.2475 | 102 | -0.4 | 92 |
IV.RONT.HHZ. | 2019-12-22T15:42:04.45 | 3.0 | undecidable | manual | P | 0.06 | 0 | |||
IV.RUFI.EHZ. | 2019-12-22T15:42:04.49 | 0.1 | positive | manual | P | 227 | 23.2545 | 105 | 0.07 | 100 |
IV.SFI.EHZ. | 2019-12-22T15:42:04.95 | 0.1 | undecidable | manual | S | 130 | 12.9759 | 117 | 0.36 | 95 |
IV.LMD.HHZ. | 2019-12-22T15:42:03.42 | 0.1 | undecidable | manual | S | 353 | 10.878 | 121 | -0.52 | 92 |
IV.SFI.EHZ. | 2019-12-22T15:42:02.61 | 0.1 | undecidable | manual | P | 130 | 12.9759 | 117 | 0.14 | 100 |
IV.LMD.HHZ. | 2019-12-22T15:42:01.77 | 0.1 | positive | manual | P | 353 | 10.878 | 121 | -0.33 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LMD.HHE. | ML:2.2 | 0.0023016079999999997 | 0.1536 | AML | other | m | 2019-12-22T15:42:03.64 |
IV.LMD.HHN. | ML:1.8 | 0.0009158473999999999 | 0.1024 | AML | other | m | 2019-12-22T15:42:03.52 |
IV.SFI.EHN. | ML:1.2 | 0.00019649813999999998 | 0.1152 | AML | other | m | 2019-12-22T15:42:05.57 |
IV.SFI.EHE. | ML:1.0 | 0.00014131976500000003 | 0.32 | AML | other | m | 2019-12-22T15:42:05.52 |
IV.SFI.HNN. | ML:1.2 | 0.00021306719499999998 | 1.1904 | AML | other | m | 2019-12-22T15:42:05.04 |
IV.RONT.HHN. | ML:2.0 | 0.00067250295 | 0.128 | AML | other | m | 2019-12-22T15:42:09.15 |
IV.RONT.HHE. | ML:2.2 | 0.0010159365 | 0.1024 | AML | other | m | 2019-12-22T15:42:09.20 |
IV.BRIS.HHE. | ML:1.8 | 0.00037389969499999995 | 0.0896 | AML | other | m | 2019-12-22T15:42:09.72 |
IV.BRIS.HHN. | ML:1.8 | 0.00036986045 | 0.1024 | AML | other | m | 2019-12-22T15:42:09.73 |
IV.SEI.HHE. | ML:1.8 | 0.00031298055 | 0.1536 | AML | other | m | 2019-12-22T15:42:10.81 |
IV.SEI.HHN. | ML:2.2 | 0.0007146917000000001 | 0.2176 | AML | other | m | 2019-12-22T15:42:10.92 |
IV.CRE.HHE. | ML:1.6 | 0.000111053675 | 0.2432 | AML | other | m | 2019-12-22T15:42:14.78 |
IV.CRE.HHN. | ML:1.6 | 0.0001344883 | 0.1792 | AML | other | m | 2019-12-22T15:42:14.82 |