A magnitude ML 1.9 earthquake occured in region: 4 km SE Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9530, 11.8050 at 9 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 | 8 | 756 | 1555 |
Santa Sofia | FC | 8 | 4136 | 5691 |
Galeata | FC | 10 | 2516 | 8207 |
Civitella di Romagna | FC | 12 | 3786 | 11993 |
Rocca San Casciano | FC | 13 | 1910 | 13903 |
Tredozio | FC | 15 | 1212 | 15115 |
San Godenzo | FI | 15 | 1167 | 16282 |
Bagno di Romagna | FC | 17 | 6026 | 22308 |
Pratovecchio Stia | AR | 19 | 5845 | 28153 |
Dovadola | FC | 20 | 1653 | 29806 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.9 | 2021-01-23 05:08:46 |
43.9532 | 11.8048 | 9 | 2021-07-12 16:54:56 |
Bollettino Sismico Italiano INGV | 86784511 |
Reviewed Rev100 |
ML 1.9 | 2021-01-23 05:08:45 |
43.9918 | 11.8305 | 8 | 2021-01-23 06:18:12 |
Sala Sismica INGV-Roma | 86483031 |
Field | Value |
---|---|
Time (UTC) | 2021-01-23 05:08:46 ± 0.07 |
Latitude | 43.9532 ± 0.0036 |
Longitude | 11.8048 ± 0.0050 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 86784511 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 415 |
Semi-minor axis of confidence ellipse (meter) | 199 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 238 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43617 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86784511 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-05 15:30:40 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 86483031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-23 06:18:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NDIM.HNZ. | 2021-01-23T05:09:11.86 | 3.0 | undecidable | manual | Sn | -4.28 | 0 | |||
IV.PARC.HHE. | 2021-01-23T05:09:02.45 | 0.6 | undecidable | manual | S | 134 | 48.4182 | 50 | 0.57 | 43 |
IV.CRE.HHZ. | 2021-01-23T05:08:59.40 | 0.6 | undecidable | manual | S | 162 | 38.9277 | 50 | 0.07 | 49 |
IV.SEI.HHZ. | 2021-01-23T05:08:58.98 | 0.6 | undecidable | manual | S | 288 | 37.3293 | 50 | 0.08 | 49 |
IV.RONT.HHZ. | 2021-01-23T05:08:57.09 | 0.6 | undecidable | manual | S | 279 | 30.0477 | 107 | 0.22 | 48 |
IV.BRIS.HNZ. | 2021-01-23T05:08:57.26 | 0.3 | undecidable | manual | S | 354 | 30.2475 | 106 | 0.32 | 70 |
IV.RUFI.EHZ. | 2021-01-23T05:08:55.59 | 0.6 | undecidable | manual | S | 242 | 26.8509 | 108 | -0.22 | 48 |
IV.PARC.HHE. | 2021-01-23T05:08:54.96 | 0.3 | undecidable | manual | P | 134 | 48.4182 | 50 | -0.21 | 70 |
IV.ASQU.HHZ. | 2021-01-23T05:08:53.09 | 0.6 | undecidable | manual | S | 184 | 17.3715 | 117 | 0.31 | 48 |
IV.CRE.HHZ. | 2021-01-23T05:08:53.40 | 0.6 | undecidable | manual | P | 162 | 38.9277 | 50 | -0.29 | 46 |
IV.SEI.HHZ. | 2021-01-23T05:08:53.14 | 0.3 | undecidable | manual | P | 288 | 37.3293 | 50 | -0.31 | 70 |
IV.RINC.HHZ. | 2021-01-23T05:08:52.95 | 0.6 | undecidable | manual | S | 245 | 17.4714 | 117 | 0.15 | 50 |
IV.RONT.HHZ. | 2021-01-23T05:08:52.18 | 0.3 | undecidable | manual | P | 279 | 30.0477 | 107 | -0.09 | 74 |
IV.BRIS.HNZ. | 2021-01-23T05:08:52.18 | 0.1 | undecidable | manual | P | 354 | 30.2475 | 106 | -0.14 | 98 |
IV.RUFI.EHZ. | 2021-01-23T05:08:51.56 | 0.3 | undecidable | manual | P | 242 | 26.8509 | 108 | -0.1 | 74 |
IV.RINC.HHZ. | 2021-01-23T05:08:50.05 | 0.1 | undecidable | manual | P | 245 | 17.4714 | 117 | 0.13 | 100 |
IV.ASQU.HHZ. | 2021-01-23T05:08:50.05 | 0.3 | undecidable | manual | P | 184 | 17.3715 | 117 | 0.13 | 75 |
IV.SFI.EHZ. | 2021-01-23T05:08:49.57 | 0.3 | undecidable | manual | S | 148 | 6.3936 | 145 | -0.22 | 75 |
IV.SFI.EHZ. | 2021-01-23T05:08:48.13 | 0.3 | undecidable | manual | P | 148 | 6.3936 | 145 | -0.06 | 78 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SFI.HNE. | ML:2.0 | 0.00171 | 0.24 | AML | other | m | 2021-01-23T05:08:49.67 |
IV.SFI.EHE. | ML:2.0 | 0.00172 | 0.24 | AML | other | m | 2021-01-23T05:08:49.68 |
IV.SFI.HNN. | ML:1.8 | 0.0012050000000000001 | 0.12 | AML | other | m | 2021-01-23T05:08:49.71 |
IV.SFI.EHN. | ML:1.8 | 0.0011795 | 0.12 | AML | other | m | 2021-01-23T05:08:49.72 |
IV.LMD.HHE. | ML:1.8 | 0.000564 | 0.14 | AML | other | m | 2021-01-23T05:08:50.58 |
IV.LMD.HHN. | ML:1.8 | 0.0005645 | 0.18 | AML | other | m | 2021-01-23T05:08:50.66 |