A magnitude ML 1.2 earthquake occured in region: 4 km E Terni (TR), on
and geographic coordinates (lat, lon) 42.5480, 12.6910 at 10 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 |
---|---|---|---|---|
Terni | TR | 4 | 111501 | 111501 |
Stroncone | TR | 6 | 4917 | 116418 |
Arrone | TR | 8 | 2763 | 119181 |
Montefranco | TR | 8 | 1276 | 120457 |
Colli sul Velino | RI | 9 | 533 | 120990 |
Labro | RI | 9 | 374 | 121364 |
Ferentillo | TR | 12 | 1913 | 123277 |
Morro Reatino | RI | 12 | 373 | 123650 |
Greccio | RI | 12 | 1558 | 125208 |
Polino | TR | 13 | 233 | 125441 |
San Gemini | TR | 14 | 5018 | 130459 |
Rivodutri | RI | 14 | 1253 | 131712 |
Configni | RI | 14 | 633 | 132345 |
Narni | TR | 15 | 19785 | 152130 |
Cottanello | RI | 16 | 563 | 152693 |
Contigliano | RI | 17 | 3783 | 156476 |
Poggio Bustone | RI | 17 | 2055 | 158531 |
Montasola | RI | 18 | 395 | 158926 |
Vacone | RI | 19 | 256 | 159182 |
Calvi dell'Umbria | TR | 19 | 1856 | 161038 |
Cantalice | RI | 20 | 2755 | 163793 |
Acquasparta | TR | 20 | 4778 | 168571 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-07-06 06:59:52 |
42.5485 | 12.691 | 11 | 2021-12-29 11:12:29 |
Bollettino Sismico Italiano INGV | 95333551 |
Reviewed Rev100 |
ML 1.2 | 2021-07-06 06:59:52 |
42.5502 | 12.6878 | 11 | 2021-07-06 07:05:29 |
Sala Sismica INGV-Roma | 92286541 |
Field | Value |
---|---|
Time (UTC) | 2021-07-06 06:59:52 ± 0.15 |
Latitude | 42.5485 ± 0.0099 |
Longitude | 12.6910 ± 0.0073 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95333551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1168 |
Semi-minor axis of confidence ellipse (meter) | 454 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 200 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1170.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 212 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
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) | 0.06295 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42178 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 92286541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-06 07:05:29 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 95333551 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-12 08:19:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NRCA.HHZ. | 2021-07-06T07:00:07.36 | 0.6 | undecidable | manual | S | 47 | 46.8198 | 50 | 0.19 | 46 |
IV.LNSS.HHZ. | 2021-07-06T07:00:02.08 | 0.3 | undecidable | manual | S | 78 | 29.1486 | 50 | -0.38 | 68 |
IV.MOMA.HHZ. | 2021-07-06T07:00:02.74 | 0.3 | undecidable | manual | S | 341 | 30.0477 | 50 | 0.06 | 73 |
IV.GAVE.EHZ. | 2021-07-06T07:00:00.64 | 0.3 | undecidable | manual | S | 46 | 23.0547 | 50 | -0.17 | 72 |
IV.RM33.EHZ. | 2021-07-06T07:00:00.17 | 0.3 | undecidable | manual | P | 96 | 43.0236 | 50 | -0.04 | 71 |
IV.NRCA.HHZ. | 2021-07-06T07:00:00.97 | 0.3 | undecidable | manual | P | 47 | 46.8198 | 50 | 0.18 | 69 |
IV.MOMA.HHZ. | 2021-07-06T06:59:58.20 | 0.1 | undecidable | manual | P | 341 | 30.0477 | 50 | 0 | 98 |
IV.LNSS.HHZ. | 2021-07-06T06:59:58.04 | 0.3 | undecidable | manual | P | 78 | 29.1486 | 50 | -0.03 | 73 |
IV.GAVE.EHZ. | 2021-07-06T06:59:57.32 | 0.1 | undecidable | manual | P | 46 | 23.0547 | 50 | 0.2 | 95 |
IV.ARRO.EHN. | 2021-07-06T06:59:56.48 | 0.3 | undecidable | manual | S | 61 | 6.993 | 146 | 0.03 | 76 |
IV.CESX.HHN. | 2021-07-06T06:59:56.92 | 0.3 | undecidable | manual | S | 308 | 10.7781 | 134 | -0.39 | 70 |
IV.CESX.HHN. | 2021-07-06T06:59:55.24 | 0.1 | undecidable | manual | P | 308 | 10.7781 | 134 | 0.14 | 99 |
IV.ARRO.EHN. | 2021-07-06T06:59:54.71 | 0.1 | undecidable | manual | P | 61 | 6.993 | 146 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.0 | 0.00006745000000000001 | 0.12 | AML | other | m | 2021-07-06T07:00:02.02 |
IV.LNSS.HHE. | ML:1.2 | 0.00008225 | 0.34 | AML | other | m | 2021-07-06T07:00:02.28 |
IV.GAVE.EHN. | ML:1.1 | 0.00008595 | 0.76 | AML | other | m | 2021-07-06T07:00:03.43 |
IV.LNSS.HHN. | ML:1.2 | 0.00007775 | 0.64 | AML | other | m | 2021-07-06T07:00:03.96 |
IV.MOMA.HHE. | ML:1.4 | 0.00013700000000000002 | 1 | AML | other | m | 2021-07-06T07:00:04.63 |
IV.MOMA.HHN. | ML:1.2 | 0.0000835 | 0.16 | AML | other | m | 2021-07-06T07:00:05.28 |
IV.NRCA.HHE. | ML:1.3 | 0.0000566 | 0.12 | AML | other | m | 2021-07-06T07:00:08.93 |
IV.NRCA.HHN. | ML:1.1 | 0.00003665 | 0.68 | AML | other | m | 2021-07-06T07:00:09.90 |