A magnitude ML 1.0 earthquake occured in region: Premilcuore (FC), on
and geographic coordinates (lat, lon) 43.9810, 11.7740 at 9 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 |
---|---|---|---|---|
Premilcuore | FC | 0 | 799 | 799 |
Portico e San Benedetto | FC | 5 | 756 | 1555 |
Rocca San Casciano | FC | 11 | 1910 | 3465 |
Galeata | FC | 11 | 2516 | 5981 |
Tredozio | FC | 11 | 1212 | 7193 |
Santa Sofia | FC | 11 | 4136 | 11329 |
Civitella di Romagna | FC | 14 | 3786 | 15115 |
San Godenzo | FI | 14 | 1167 | 16282 |
Marradi | FI | 17 | 3139 | 19421 |
Dovadola | FC | 18 | 1653 | 21074 |
Modigliana | FC | 20 | 4560 | 25634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-09 16:55:59 |
43.9808 | 11.7743 | 9 | 2021-09-09 17:36:07 |
Sala Sismica INGV-Roma | 95241971 |
Field | Value |
---|---|
Time (UTC) | 2021-09-09 16:55:59 ± 0.11 |
Latitude | 43.9808 ± 0.0045 |
Longitude | 11.7743 ± 0.0087 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95241971 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 675 |
Semi-minor axis of confidence ellipse (meter) | 294 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 680.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 161 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38401 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95241971 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-09 17:36:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.RNCA.HHZ. | 2021-09-09T16:57:30.38 | 3.0 | undecidable | manual | Sg | 11.63 | 0 | |||
IV.PLLN.EHZ. | 2021-09-09T16:57:16.14 | 3.0 | negative | manual | Pn | 6.41 | 0 | |||
IV.ILOS.HHZ. | 2021-09-09T16:57:13.43 | 3.0 | undecidable | manual | Pg | 9.67 | 0 | |||
IV.MRB1.HHZ. | 2021-09-09T16:57:07.80 | 3.0 | undecidable | manual | Sn | -2.94 | 0 | |||
IV.EVRN.HHZ. | 2021-09-09T16:57:05.81 | 3.0 | positive | manual | Pn | -8.45 | 0 | |||
IV.SACR.HHZ. | 2021-09-09T16:57:03.38 | 3.0 | undecidable | manual | Sg | -0.17 | 0 | |||
IV.GIZZ.HHZ. | 2021-09-09T16:57:02.43 | 3.0 | negative | manual | Pn | 3.81 | 0 | |||
IV.NDIM.HNZ. | 2021-09-09T16:56:53.78 | 3.0 | undecidable | manual | Sg | 8.94 | 0 | |||
IV.GRIS.EHZ. | 2021-09-09T16:56:51.74 | 3.0 | undecidable | manual | Pn | 4.14 | 0 | |||
IX.PGN3.HHZ.02 | 2021-09-09T16:56:51.57 | 3.0 | undecidable | manual | Pg | 15.19 | 0 | |||
GU.RNCA.HHZ. | 2021-09-09T16:56:44.78 | 3.0 | undecidable | manual | Pg | 13.01 | 0 | |||
IV.SBPO.HNZ. | 2021-09-09T16:56:43.52 | 3.0 | undecidable | manual | Sn | -1.48 | 0 | |||
GU.MGRO.HHZ. | 2021-09-09T16:56:41.27 | 3.0 | undecidable | manual | Pn | -2.39 | 0 | |||
IV.POFI.HHZ. | 2021-09-09T16:56:25.89 | 3.0 | undecidable | manual | Pg | 6.79 | 0 | |||
IV.SACR.HHZ. | 2021-09-09T16:56:24.23 | 3.0 | positive | manual | Pn | 1 | 0 | |||
GU.GSCL.HHZ. | 2021-09-09T16:56:22.05 | 3.0 | undecidable | manual | Pg | 6.2 | 0 | |||
IV.MELA.HHZ. | 2021-09-09T16:56:21.63 | 3.0 | undecidable | manual | Pn | 1.97 | 0 | |||
IV.PII.HHZ. | 2021-09-09T16:56:20.95 | 3.0 | positive | manual | Pg | 2.56 | 0 | |||
IV.TOLF.HHZ. | 2021-09-09T16:56:13.38 | 3.0 | positive | manual | Pn | -7.5 | 0 | |||
IV.CRE.HHZ. | 2021-09-09T16:56:13.61 | 0.3 | undecidable | manual | S | 160 | 42.624 | 50 | 0.35 | 67 |
IV.SEI.HHZ. | 2021-09-09T16:56:11.00 | 0.3 | undecidable | manual | S | 284 | 34.1436 | 50 | 0 | 74 |
IV.BOSL.HHZ. | 2021-09-09T16:56:10.95 | 0.3 | undecidable | manual | S | 260 | 32.4453 | 50 | 0.41 | 68 |
IV.TREG.EHZ. | 2021-09-09T16:56:10.15 | 3.0 | undecidable | manual | Pn | -2.13 | 0 | |||
IV.BRIS.HHZ. | 2021-09-09T16:56:09.27 | 0.3 | undecidable | manual | S | 359 | 27.0507 | 109 | 0.37 | 69 |
IV.VVLD.HHZ. | 2021-09-09T16:56:09.48 | 3.0 | positive | manual | Pn | -7.71 | 0 | |||
IV.RUFI.EHZ. | 2021-09-09T16:56:08.83 | 0.3 | undecidable | manual | S | 233 | 26.4513 | 109 | 0.12 | 73 |
IV.CAVE.HHZ. | 2021-09-09T16:56:07.97 | 3.0 | negative | manual | P | -3.71 | 0 | |||
IV.VCEL.EHZ. | 2021-09-09T16:56:07.93 | 3.0 | undecidable | manual | Pn | -1.79 | 0 | |||
IV.CRE.HHZ. | 2021-09-09T16:56:06.89 | 0.3 | undecidable | manual | P | 160 | 42.624 | 50 | -0.34 | 68 |
IV.ASQU.HHZ. | 2021-09-09T16:56:06.88 | 0.3 | undecidable | manual | S | 177 | 20.4684 | 114 | 0.1 | 74 |
IV.SEI.HHZ. | 2021-09-09T16:56:05.59 | 0.1 | undecidable | manual | P | 284 | 34.1436 | 50 | -0.34 | 92 |
IV.BOSL.HHZ. | 2021-09-09T16:56:05.54 | 0.1 | undecidable | manual | P | 260 | 32.4453 | 50 | -0.12 | 96 |
IV.RUFI.EHZ. | 2021-09-09T16:56:04.46 | 0.1 | undecidable | manual | P | 233 | 26.4513 | 109 | -0.15 | 97 |
IV.BRIS.HHZ. | 2021-09-09T16:56:04.62 | 0.1 | undecidable | manual | P | 359 | 27.0507 | 109 | -0.1 | 98 |
IV.ASQU.HHZ. | 2021-09-09T16:56:03.46 | 0.1 | undecidable | manual | P | 177 | 20.4684 | 114 | -0.03 | 100 |
MN.TRI.HHZ. | 2021-09-09T16:55:53.42 | 3.0 | positive | manual | P | -1.87 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.BRIS.HHE. | ML:1.3 | 0.000103346305 | 0.1408 | AML | other | m | 2021-09-09T16:56:09.47 |
IV.BRIS.HHN. | ML:1.3 | 0.00010894999999999999 | 0.8 | AML | other | m | 2021-09-09T16:56:10.19 |
IV.BOSL.HHN. | ML:0.6 | 0.000019349850000000002 | 0.2176 | AML | other | m | 2021-09-09T16:56:11.61 |
IV.BOSL.HHE. | ML:0.5 | 0.000014641830000000001 | 0.2048 | AML | other | m | 2021-09-09T16:56:11.23 |
IV.ASQU.HHE. | ML:1.0 | 0.00007373205499999999 | 0.192 | AML | other | m | 2021-09-09T16:56:07.40 |
IV.ASQU.HHN. | ML:0.6 | 0.000028927670000000002 | 0.2816 | AML | other | m | 2021-09-09T16:56:09.40 |
IV.SEI.HHE. | ML:1.3 | 0.00007861126 | 0.3584 | AML | other | m | 2021-09-09T16:56:12.93 |
IV.SEI.HHN. | ML:1.4 | 0.00011441785 | 0.3456 | AML | other | m | 2021-09-09T16:56:11.50 |
IV.CRE.HHE. | ML:0.5 | 0.000009679932000000001 | 0.2176 | AML | other | m | 2021-09-09T16:56:14.53 |
IV.CRE.HHN. | ML:1.2 | 0.000043416685 | 0.3584 | AML | other | m | 2021-09-09T16:56:13.92 |