A magnitude ML 1.3 earthquake occured in region: 6 km E Terni (TR), on
and geographic coordinates (lat, lon) 42.5510, 12.7140 at 7 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 |
---|---|---|---|---|
Terni | TR | 6 | 111501 | 111501 |
Arrone | TR | 6 | 2763 | 114264 |
Montefranco | TR | 7 | 1276 | 115540 |
Stroncone | TR | 7 | 4917 | 120457 |
Labro | RI | 8 | 374 | 120831 |
Colli sul Velino | RI | 8 | 533 | 121364 |
Ferentillo | TR | 10 | 1913 | 123277 |
Morro Reatino | RI | 10 | 373 | 123650 |
Polino | TR | 11 | 233 | 123883 |
Greccio | RI | 12 | 1558 | 125441 |
Rivodutri | RI | 12 | 1253 | 126694 |
Poggio Bustone | RI | 15 | 2055 | 128749 |
Configni | RI | 15 | 633 | 129382 |
San Gemini | TR | 15 | 5018 | 134400 |
Contigliano | RI | 16 | 3783 | 138183 |
Cottanello | RI | 16 | 563 | 138746 |
Narni | TR | 17 | 19785 | 158531 |
Cantalice | RI | 18 | 2755 | 161286 |
Montasola | RI | 19 | 395 | 161681 |
Vacone | RI | 19 | 256 | 161937 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-04-11 02:07:32 |
42.5512 | 12.7142 | 7 | 2021-04-11 02:28:24 |
Sala Sismica INGV-Roma | 88994121 |
Field | Value |
---|---|
Time (UTC) | 2021-04-11 02:07:32 ± 0.15 |
Latitude | 42.5512 ± 0.0090 |
Longitude | 12.7142 ± 0.0085 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88994121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1087 |
Semi-minor axis of confidence ellipse (meter) | 432 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 30 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1090.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 168 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.04676 |
Epicentral distance of station farthest from the epicenter (degree) | 0.65830 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 88994121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-11 02:28:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-04-11T02:07:55.35 | 0.3 | undecidable | manual | S | 83 | 73.0713 | 50 | -0.07 | 67 |
IV.SMA1.EHZ. | 2021-04-11T02:07:50.10 | 0.6 | undecidable | manual | S | 80 | 51.5151 | 50 | 0.45 | 43 |
IV.RM33.EHZ. | 2021-04-11T02:07:46.96 | 0.3 | undecidable | manual | S | 96 | 41.1255 | 50 | 0.07 | 71 |
IV.TERO.HHZ. | 2021-04-11T02:07:45.61 | 0.6 | negative | manual | P | 83 | 73.0713 | 50 | -0.14 | 44 |
IV.MOMA.HHZ. | 2021-04-11T02:07:43.30 | 0.3 | undecidable | manual | S | 337 | 30.4473 | 103 | -0.06 | 73 |
IV.SMA1.EHZ. | 2021-04-11T02:07:42.24 | 0.6 | negative | manual | P | 80 | 51.5151 | 50 | -0.17 | 46 |
IV.FIAM.HHZ. | 2021-04-11T02:07:41.13 | 1.0 | negative | manual | P | 133 | 45.5211 | 50 | -0.37 | 22 |
IV.NRCA.HHZ. | 2021-04-11T02:07:40.89 | 1.0 | negative | manual | P | 46 | 45.2214 | 50 | -0.56 | 21 |
IV.RM33.EHZ. | 2021-04-11T02:07:40.81 | 1.0 | negative | manual | P | 96 | 41.1255 | 50 | -0.01 | 24 |
IV.MOMA.HHZ. | 2021-04-11T02:07:38.81 | 0.6 | undecidable | manual | P | 337 | 30.4473 | 103 | 0.02 | 49 |
IV.LNSS.HHZ. | 2021-04-11T02:07:38.35 | 0.3 | undecidable | manual | P | 78 | 27.2505 | 104 | 0.18 | 71 |
IV.GAVE.EHZ. | 2021-04-11T02:07:37.07 | 0.6 | negative | manual | P | 43 | 21.4674 | 108 | 0.01 | 50 |
IV.ARRO.EHZ. | 2021-04-11T02:07:35.56 | 0.6 | undecidable | manual | S | 53 | 5.1948 | 143 | 0 | 51 |
IV.CESX.HHZ. | 2021-04-11T02:07:35.72 | 0.6 | positive | manual | P | 301 | 12.1767 | 120 | 0.37 | 47 |
IV.ARRO.EHZ. | 2021-04-11T02:07:34.15 | 0.1 | negative | manual | P | 53 | 5.1948 | 143 | -0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:1.4 | 0.0003275 | 0.34 | AML | other | m | 2021-04-11T02:07:40.35 |
IV.CESX.HHE. | ML:1.5 | 0.000391 | 0.48 | AML | other | m | 2021-04-11T02:07:40.73 |
IV.GAVE.EHE. | ML:1.4 | 0.000204 | 0.22 | AML | other | m | 2021-04-11T02:07:42.95 |
IV.GAVE.EHN. | ML:1.5 | 0.00022700000000000002 | 0.94 | AML | other | m | 2021-04-11T02:07:44.31 |
IV.LNSS.HHN. | ML:1.3 | 0.00011055 | 0.44 | AML | other | m | 2021-04-11T02:07:44.50 |
IV.MOMA.HHE. | ML:1.3 | 0.0001053 | 1.34 | AML | other | m | 2021-04-11T02:07:45.18 |
IV.MOMA.HHN. | ML:1.3 | 0.0001043 | 0.28 | AML | other | m | 2021-04-11T02:07:45.74 |
IV.LNSS.HHE. | ML:1.3 | 0.000111 | 0.86 | AML | other | m | 2021-04-11T02:07:45.75 |
IV.NRCA.HHE. | ML:1.2 | 0.00005005 | 0.46 | AML | other | m | 2021-04-11T02:07:51.37 |
IV.NRCA.HHN. | ML:1.1 | 0.000035249999999999996 | 1.18 | AML | other | m | 2021-04-11T02:07:51.80 |