A magnitude ML 1.0 earthquake occured in region: 3 km S Montefalco (PG), on
and geographic coordinates (lat, lon) 42.8650, 12.6640 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 |
---|---|---|---|---|
Montefalco | PG | 4 | 5679 | 5679 |
Castel Ritaldi | PG | 5 | 3278 | 8957 |
Trevi | PG | 7 | 8469 | 17426 |
Giano dell'Umbria | PG | 8 | 3846 | 21272 |
Bevagna | PG | 9 | 5081 | 26353 |
Gualdo Cattaneo | PG | 10 | 6155 | 32508 |
Campello sul Clitunno | PG | 11 | 2442 | 34950 |
Foligno | PG | 11 | 57155 | 92105 |
Spello | PG | 14 | 8645 | 100750 |
Massa Martana | PG | 15 | 3770 | 104520 |
Spoleto | PG | 16 | 38218 | 142738 |
Cannara | PG | 16 | 4305 | 147043 |
Collazzone | PG | 19 | 3473 | 150516 |
Vallo di Nera | PG | 19 | 364 | 150880 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-08-08 19:02:44 |
42.8647 | 12.6638 | 9 | 2021-08-08 19:15:31 |
Sala Sismica INGV-Roma | 93853591 |
Field | Value |
---|---|
Time (UTC) | 2021-08-08 19:02:44 ± 0.05 |
Latitude | 42.8647 ± 0.0027 |
Longitude | 12.6638 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 93853591 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 355 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 264 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 84 |
Number of associated phases, regardless of their use for origin computation | 43 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68888 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 93853591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-08 19:15:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAR1.HHZ. | 2021-08-08T19:04:44.47 | 3.0 | undecidable | manual | Sn | -5.44 | 0 | |||
CR.ZAG.BHZ. | 2021-08-08T19:04:32.98 | 3.0 | undecidable | manual | Sn | 4.91 | 0 | |||
IX.SRN3.HHZ.02 | 2021-08-08T19:04:30.57 | 3.0 | undecidable | manual | Sg | 13.09 | 0 | |||
IX.SCL3.EHZ.02 | 2021-08-08T19:04:18.59 | 3.0 | undecidable | manual | Sg | 4.21 | 0 | |||
IV.MILZ.HHZ. | 2021-08-08T19:04:15.51 | 3.0 | undecidable | manual | Pg | 14.42 | 0 | |||
IV.MBAL.EHZ. | 2021-08-08T19:04:11.96 | 3.0 | undecidable | manual | Sg | 4.8 | 0 | |||
IV.RESU.HHZ. | 2021-08-08T19:04:09.42 | 3.0 | undecidable | manual | Pn | 4.05 | 0 | |||
IV.ZEN8.EHZ. | 2021-08-08T19:04:09.05 | 3.0 | undecidable | manual | Sn | 2.3 | 0 | |||
IV.COLB.HHZ. | 2021-08-08T19:03:58.46 | 3.0 | undecidable | manual | Sg | 1.77 | 0 | |||
CH.BERNI.HHZ. | 2021-08-08T19:03:43.66 | 3.0 | positive | manual | Pn | 0.81 | 0 | |||
IX.SCL3.EHZ.02 | 2021-08-08T19:03:41.60 | 3.0 | undecidable | manual | Pg | 7.02 | 0 | |||
IV.PZUN.HHZ. | 2021-08-08T19:03:34.16 | 3.0 | undecidable | manual | Pn | -3.07 | 0 | |||
IV.MBAL.EHZ. | 2021-08-08T19:03:31.58 | 3.0 | undecidable | manual | Pn | 1.06 | 0 | |||
IV.LRP.EHZ. | 2021-08-08T19:03:30.81 | 3.0 | undecidable | manual | S | -3.2 | 0 | |||
IV.BRIS.HHZ. | 2021-08-08T19:03:23.00 | 3.0 | undecidable | manual | S | -4.89 | 0 | |||
IV.CPGN.EHZ. | 2021-08-08T19:03:14.85 | 3.0 | undecidable | manual | S | 1.73 | 0 | |||
IV.IMOL.HNZ. | 2021-08-08T19:03:10.78 | 3.0 | undecidable | manual | P | 0.51 | 0 | |||
IV.CSP1.EHZ. | 2021-08-08T19:03:01.79 | 0.6 | undecidable | manual | S | 60 | 50.616 | 50 | 0.43 | 43 |
IV.MC2.EHZ. | 2021-08-08T19:02:59.43 | 0.3 | undecidable | manual | S | 83 | 43.0236 | 50 | 0.11 | 71 |
IV.CPGN.EHZ. | 2021-08-08T19:02:59.29 | 3.0 | undecidable | manual | P | -0.87 | 0 | |||
IV.CAFI.HNE. | 2021-08-08T19:02:58.64 | 1.0 | undecidable | manual | P | 313 | 76.4679 | 50 | 0.22 | 22 |
IV.LNSS.HNE. | 2021-08-08T19:02:58.94 | 0.6 | undecidable | manual | S | 133 | 42.2244 | 50 | -0.18 | 46 |
IV.FDMO.HHZ. | 2021-08-08T19:02:58.20 | 0.3 | undecidable | manual | S | 61 | 39.3273 | 50 | -0.14 | 71 |
IV.MML1.HNN. | 2021-08-08T19:02:57.58 | 0.3 | undecidable | manual | S | 42 | 37.2294 | 50 | -0.2 | 70 |
IV.ATCC.EHZ. | 2021-08-08T19:02:57.46 | 0.6 | undecidable | manual | S | 357 | 35.6421 | 50 | 0.11 | 48 |
IV.CESX.HHE. | 2021-08-08T19:02:55.64 | 0.6 | undecidable | manual | S | 192 | 29.1486 | 108 | 0.07 | 49 |
IV.GAVE.HNZ. | 2021-08-08T19:02:54.63 | 0.6 | undecidable | manual | S | 136 | 26.751 | 109 | -0.18 | 48 |
IV.CSP1.EHZ. | 2021-08-08T19:02:54.33 | 1.0 | undecidable | manual | P | 60 | 50.616 | 50 | -0.11 | 23 |
IV.CESI.HNN. | 2021-08-08T19:02:54.31 | 0.6 | undecidable | manual | S | 51 | 24.9528 | 110 | 0.1 | 49 |
IV.MC2.EHZ. | 2021-08-08T19:02:53.65 | 0.1 | undecidable | manual | P | 83 | 43.0236 | 50 | 0.39 | 89 |
IV.LNSS.HNE. | 2021-08-08T19:02:52.94 | 0.6 | undecidable | manual | P | 133 | 42.2244 | 50 | -0.21 | 46 |
IV.FDMO.HHZ. | 2021-08-08T19:02:52.55 | 1.0 | negative | manual | P | 61 | 39.3273 | 50 | -0.14 | 24 |
IV.ASSB.HHZ. | 2021-08-08T19:02:52.44 | 0.6 | undecidable | manual | S | 359 | 19.7691 | 115 | -0.1 | 49 |
IV.MML1.HNN. | 2021-08-08T19:02:52.20 | 0.1 | undecidable | manual | P | 42 | 37.2294 | 50 | -0.17 | 94 |
IV.ATCC.EHZ. | 2021-08-08T19:02:51.99 | 0.6 | negative | manual | P | 357 | 35.6421 | 50 | -0.13 | 48 |
IV.CESI.HNN. | 2021-08-08T19:02:50.22 | 1.0 | undecidable | manual | P | 51 | 24.9528 | 110 | -0.09 | 24 |
IV.GAVE.HNZ. | 2021-08-08T19:02:50.93 | 1.0 | undecidable | manual | P | 136 | 26.751 | 109 | 0.28 | 23 |
IV.CESX.HHE. | 2021-08-08T19:02:50.80 | 1.0 | undecidable | manual | P | 192 | 29.1486 | 108 | -0.3 | 23 |
IT.GNU.HGE. | 2021-08-08T19:02:49.79 | 0.6 | undecidable | manual | S | 228 | 10.1787 | 132 | 0.05 | 51 |
IV.MOMA.HHZ. | 2021-08-08T19:02:49.66 | 0.6 | undecidable | manual | S | 229 | 10.1787 | 132 | -0.09 | 50 |
IV.ASSB.HHZ. | 2021-08-08T19:02:49.33 | 0.1 | undecidable | manual | P | 359 | 19.7691 | 115 | -0.01 | 100 |
IT.GNU.HGE. | 2021-08-08T19:02:47.92 | 1.0 | undecidable | manual | P | 228 | 10.1787 | 132 | 0.19 | 24 |
IV.MOMA.HHZ. | 2021-08-08T19:02:47.82 | 0.3 | undecidable | manual | P | 229 | 10.1787 | 132 | 0.09 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HNN. | ML:1.3 | 0.000245 | 1.04 | AML | other | m | 2021-08-08T19:02:49.41 |
IV.MOMA.HHN. | ML:1.2 | 0.000237 | 0.22 | AML | other | m | 2021-08-08T19:02:49.82 |
IV.MOMA.HHE. | ML:1.5 | 0.00040849999999999995 | 0.22 | AML | other | m | 2021-08-08T19:02:50.17 |
IV.MOMA.HNE. | ML:1.5 | 0.000422 | 0.24 | AML | other | m | 2021-08-08T19:02:50.17 |
IV.ASSB.HHN. | ML:0.7 | 0.0000368 | 0.7 | AML | other | m | 2021-08-08T19:02:53.10 |
IV.ASSB.HHE. | ML:0.8 | 0.00004305 | 0.52 | AML | other | m | 2021-08-08T19:02:54.09 |
IV.FDMO.HHN. | ML:0.8 | 0.00002235 | 0.62 | AML | other | m | 2021-08-08T19:02:58.22 |
IV.FDMO.HHE. | ML:0.8 | 0.00002005 | 0.16 | AML | other | m | 2021-08-08T19:03:00.29 |
IV.ATCC.EHE. | ML:0.8 | 0.000025744240000000003 | 0.6144 | AML | other | m | 2021-08-08T19:02:59.35 |
IV.ATCC.EHN. | ML:0.8 | 0.00002250253 | 0.6784 | AML | other | m | 2021-08-08T19:02:58.46 |