A magnitude ML 1.7 earthquake occured in region: 4 km S San Gemini (TR), on
and geographic coordinates (lat, lon) 42.5740, 12.5530 at 8 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 |
---|---|---|---|---|
San Gemini | TR | 5 | 5018 | 5018 |
Narni | TR | 7 | 19785 | 24803 |
Terni | TR | 8 | 111501 | 136304 |
Montecastrilli | TR | 10 | 5022 | 141326 |
Amelia | TR | 12 | 11897 | 153223 |
Stroncone | TR | 12 | 4917 | 158140 |
Acquasparta | TR | 13 | 4778 | 162918 |
Avigliano Umbro | TR | 14 | 2558 | 165476 |
Otricoli | TR | 18 | 1869 | 167345 |
Montefranco | TR | 18 | 1276 | 168621 |
Arrone | TR | 18 | 2763 | 171384 |
Lugnano in Teverina | TR | 18 | 1494 | 172878 |
Configni | RI | 18 | 633 | 173511 |
Penna in Teverina | TR | 18 | 1099 | 174610 |
Orte | VT | 19 | 8923 | 183533 |
Calvi dell'Umbria | TR | 19 | 1856 | 185389 |
Giove | TR | 20 | 1928 | 187317 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-05-22 20:18:02 |
42.5742 | 12.5528 | 8 | 2021-12-29 11:12:01 |
Bollettino Sismico Italiano INGV | 90516561 |
Reviewed Rev100 |
ML 1.7 | 2021-05-22 20:18:02 |
42.5778 | 12.5525 | 9 | 2021-05-22 20:25:43 |
Sala Sismica INGV-Roma | 90385131 |
Field | Value |
---|---|
Time (UTC) | 2021-05-22 20:18:02 ± 0.1 |
Latitude | 42.5742 ± 0.0054 |
Longitude | 12.5528 ± 0.0061 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90516561 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 512 |
Semi-minor axis of confidence ellipse (meter) | 485 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 8 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 510.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 56 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 36 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.83817 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 22 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 90516561 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-15 08:26:26 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 90385131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-22 20:25:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-05-22T20:18:28.70 | 0.6 | undecidable | manual | S | 86 | 85.9473 | 50 | 0.33 | 41 |
IV.MC2.EHZ. | 2021-05-22T20:18:23.10 | 0.3 | undecidable | manual | S | 54 | 63.8916 | 50 | 0.62 | 59 |
IV.SMA1.EHZ. | 2021-05-22T20:18:23.20 | 0.6 | undecidable | manual | S | 84 | 64.1913 | 50 | 0.65 | 39 |
IV.FIAM.HHZ. | 2021-05-22T20:18:21.00 | 0.6 | undecidable | manual | S | 126 | 57.2982 | 50 | 0.27 | 44 |
IV.NRCA.HHZ. | 2021-05-22T20:18:19.70 | 0.3 | undecidable | manual | S | 58 | 54.1014 | 50 | -0.15 | 67 |
IV.MGAB.HHE. | 2021-05-22T20:18:19.80 | 0.6 | undecidable | manual | S | 316 | 51.9036 | 50 | 0.51 | 42 |
IV.RM33.EHZ. | 2021-05-22T20:18:19.90 | 0.3 | undecidable | manual | S | 97 | 54.6009 | 50 | -0.09 | 68 |
IV.ASSB.HHE. | 2021-05-22T20:18:19.40 | 0.3 | undecidable | manual | S | 9 | 52.7028 | 50 | -0.08 | 69 |
TV.SF01.EHN. | 2021-05-22T20:18:18.20 | 0.6 | undecidable | manual | P | 288 | 84.8484 | 50 | 0.99 | 32 |
IV.ARCI.HHZ. | 2021-05-22T20:18:18.28 | 0.6 | undecidable | manual | P | 290 | 93.0402 | 50 | -0.19 | 41 |
TV.SF14.HHN. | 2021-05-22T20:18:17.53 | 0.6 | undecidable | manual | P | 285 | 79.1652 | 50 | 1.21 | 29 |
IV.TERO.HHZ. | 2021-05-22T20:18:16.79 | 0.6 | undecidable | manual | P | 86 | 85.9473 | 50 | -0.6 | 38 |
IV.LNSS.HHZ. | 2021-05-22T20:18:15.70 | 0.3 | undecidable | manual | S | 85 | 39.9267 | 50 | -0.38 | 66 |
IV.MMO1.EHZ. | 2021-05-22T20:18:15.04 | 0.3 | undecidable | manual | P | 60 | 72.6717 | 50 | -0.29 | 63 |
IV.SRES.HHZ. | 2021-05-22T20:18:15.20 | 0.3 | undecidable | manual | S | 185 | 37.5291 | 50 | -0.25 | 68 |
IV.TOLF.HHN. | 2021-05-22T20:18:15.69 | 0.6 | undecidable | manual | P | 219 | 72.4719 | 50 | 0.38 | 41 |
IV.MC2.EHZ. | 2021-05-22T20:18:14.17 | 0.6 | undecidable | manual | P | 54 | 63.8916 | 50 | 0.19 | 44 |
IV.SMA1.EHZ. | 2021-05-22T20:18:14.04 | 0.3 | undecidable | manual | P | 84 | 64.1913 | 50 | 0.01 | 68 |
IV.SACS.HHE. | 2021-05-22T20:18:13.43 | 0.6 | undecidable | manual | P | 300 | 60.6948 | 50 | -0.05 | 45 |
IV.GAVE.EHZ. | 2021-05-22T20:18:13.90 | 0.3 | undecidable | manual | S | 65 | 30.747 | 105 | 0.46 | 66 |
IV.NRCA.HHZ. | 2021-05-22T20:18:12.14 | 0.1 | undecidable | manual | P | 58 | 54.1014 | 50 | -0.32 | 87 |
IV.FIAM.HHZ. | 2021-05-22T20:18:12.79 | 0.6 | undecidable | manual | P | 126 | 57.2982 | 50 | -0.18 | 44 |
IV.MGAB.HHE. | 2021-05-22T20:18:12.19 | 0.1 | undecidable | manual | P | 316 | 51.9036 | 50 | 0.05 | 92 |
IV.BARO.HNZ. | 2021-05-22T20:18:12.23 | 0.3 | undecidable | manual | P | 229 | 54.7008 | 50 | -0.34 | 65 |
IV.MOMA.HHZ. | 2021-05-22T20:18:11.50 | 0.3 | undecidable | manual | S | 3 | 25.5522 | 108 | -0.19 | 70 |
IV.RM33.EHZ. | 2021-05-22T20:18:11.64 | 0.6 | undecidable | manual | P | 97 | 54.6009 | 50 | -0.9 | 35 |
IV.ASSB.HHE. | 2021-05-22T20:18:11.94 | 0.3 | undecidable | manual | P | 9 | 52.7028 | 50 | -0.31 | 65 |
IV.LNSS.HHZ. | 2021-05-22T20:18:10.00 | 0.3 | undecidable | manual | P | 85 | 39.9267 | 50 | -0.29 | 67 |
IT.MMP1.HGE. | 2021-05-22T20:18:10.57 | 0.6 | undecidable | manual | P | 156 | 39.4272 | 50 | 0.36 | 44 |
IV.SRES.HHZ. | 2021-05-22T20:18:09.90 | 0.3 | undecidable | manual | P | 185 | 37.5291 | 50 | -0.02 | 71 |
IV.ARRO.EHZ. | 2021-05-22T20:18:09.60 | 0.3 | undecidable | manual | S | 88 | 17.3715 | 116 | 0.54 | 66 |
IV.GAVE.EHZ. | 2021-05-22T20:18:08.45 | 0.3 | undecidable | manual | P | 65 | 30.747 | 105 | -0.31 | 68 |
IV.MOMA.HHZ. | 2021-05-22T20:18:07.57 | 0.3 | undecidable | manual | P | 3 | 25.5522 | 108 | -0.18 | 71 |
IV.ARRO.EHZ. | 2021-05-22T20:18:06.54 | 0.3 | undecidable | manual | P | 88 | 17.3715 | 116 | 0.3 | 70 |
IV.CESX.HHZ. | 2021-05-22T20:18:05.40 | 0.3 | undecidable | manual | S | 36 | 4.6953 | 151 | -0.31 | 71 |
IV.CESX.HHZ. | 2021-05-22T20:18:04.35 | 0.1 | undecidable | manual | P | 36 | 4.6953 | 151 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARRO.EHE. | ML:0.0 | 0.00043060695 | 0.2432 | AML | other | m | 2021-05-22T20:18:10.46 |
IV.ARRO.EHN. | ML:0.0 | 0.00035319345 | 0.1664 | AML | other | m | 2021-05-22T20:18:10.71 |
IV.GAVE.EHN. | ML:0.0 | 0.000166 | 1.8 | AML | other | m | 2021-05-22T20:18:15.00 |
IV.GAVE.EHE. | ML:0.0 | 0.0001867018 | 0.2048 | AML | other | m | 2021-05-22T20:18:16.44 |
IV.LNSS.HHN. | ML:0.0 | 0.0002505 | 0.26 | AML | other | m | 2021-05-22T20:18:17.46 |
IV.LNSS.HHE. | ML:0.0 | 0.00022849999999999997 | 0.82 | AML | other | m | 2021-05-22T20:18:18.58 |
IV.RM33.EHE. | ML:0.0 | 0.00019600000000000002 | 1.82 | AML | other | m | 2021-05-22T20:18:21.99 |
IV.NRCA.HHE. | ML:0.0 | 0.0000845 | 0.18 | AML | other | m | 2021-05-22T20:18:21.28 |
IV.FIAM.HHE. | ML:0.0 | 0.000052449999999999994 | 1.74 | AML | other | m | 2021-05-22T20:18:21.89 |
IV.RM33.EHN. | ML:0.0 | 0.00009575 | 1.72 | AML | other | m | 2021-05-22T20:18:21.91 |
IV.NRCA.HHN. | ML:0.0 | 0.00006865 | 0.78 | AML | other | m | 2021-05-22T20:18:22.44 |
IV.FIAM.HHN. | ML:0.0 | 0.00003555 | 1.36 | AML | other | m | 2021-05-22T20:18:22.19 |
IV.SMA1.EHE. | ML:0.0 | 0.00039385079999999995 | 0.3328 | AML | other | m | 2021-05-22T20:18:24.85 |
IV.SMA1.EHN. | ML:0.0 | 0.00017516694999999998 | 0.2432 | AML | other | m | 2021-05-22T20:18:25.27 |
IV.GAVE.HNE. | ML:0.0 | 0.000170342 | 0.2688 | AML | other | m | 2021-05-22T20:18:15.44 |
IV.LNSS.HNE. | ML:0.0 | 0.00021173145 | 0.2176 | AML | other | m | 2021-05-22T20:18:16.79 |
IV.LNSS.HNN. | ML:0.0 | 0.000212813435 | 0.2048 | AML | other | m | 2021-05-22T20:18:18.16 |
IV.RM33.HNE. | ML:0.0 | 0.00022791705 | 0.192 | AML | other | m | 2021-05-22T20:18:20.98 |
IV.RM33.HNN. | ML:0.0 | 0.00012290049 | 0.2944 | AML | other | m | 2021-05-22T20:18:22.05 |
IV.NRCA.HNE. | ML:0.0 | 0.00008185231499999999 | 0.192 | AML | other | m | 2021-05-22T20:18:21.37 |
IV.CESX.HHE. | ML:0.0 | 0.000896 | 0.4 | AML | other | m | 2021-05-22T20:18:05.83 |
IV.CESX.HHN. | ML:0.0 | 0.0012850000000000001 | 0.32 | AML | other | m | 2021-05-22T20:18:05.82 |