A magnitude ML 1.2 earthquake occured in region: 3 km SW Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1380, 12.5800 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 |
---|---|---|---|---|
Valfabbrica | PG | 3 | 3389 | 3389 |
Assisi | PG | 8 | 28299 | 31688 |
Bastia Umbra | PG | 8 | 21874 | 53562 |
Cannara | PG | 16 | 4305 | 57867 |
Perugia | PG | 16 | 166134 | 224001 |
Bettona | PG | 16 | 4367 | 228368 |
Valtopina | PG | 17 | 1398 | 229766 |
Torgiano | PG | 17 | 6725 | 236491 |
Nocera Umbra | PG | 17 | 5839 | 242330 |
Spello | PG | 18 | 8645 | 250975 |
Gualdo Tadino | PG | 20 | 15208 | 266183 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-09 04:57:33 |
43.1383 | 12.5798 | 9 | 2021-04-09 05:13:06 |
Sala Sismica INGV-Roma | 88929231 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 04:57:33 ± 0.06 |
Latitude | 43.1383 ± 0.0036 |
Longitude | 12.5798 ± 0.0062 |
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 | 88929231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 548 |
Semi-minor axis of confidence ellipse (meter) | 94 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.06385 |
Epicentral distance of station farthest from the epicenter (degree) | 0.49553 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 88929231 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 05:13:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MGAB.HHZ. | 2021-04-09T04:57:49.42 | 0.3 | undecidable | manual | S | 237 | 45.4212 | 50 | 0.6 | 61 |
IV.FDMO.HHZ. | 2021-04-09T04:57:48.20 | 0.3 | undecidable | manual | S | 105 | 42.624 | 50 | 0.13 | 69 |
IV.PIEI.HHZ. | 2021-04-09T04:57:48.69 | 0.3 | undecidable | manual | S | 355 | 44.2224 | 50 | 0.19 | 68 |
IV.ATPI.EHZ. | 2021-04-09T04:57:46.52 | 0.3 | undecidable | manual | S | 338 | 37.5291 | 50 | -0.18 | 69 |
IV.CESI.HHZ. | 2021-04-09T04:57:44.89 | 0.3 | undecidable | manual | S | 119 | 30.1476 | 107 | 0.2 | 70 |
IV.NRCA.HHZ. | 2021-04-09T04:57:43.73 | 0.1 | undecidable | manual | P | 128 | 55.0005 | 50 | -0.2 | 89 |
IV.ATFO.HHZ. | 2021-04-09T04:57:43.58 | 0.3 | undecidable | manual | S | 358 | 25.3524 | 109 | 0.49 | 66 |
IV.ATLO.EHZ. | 2021-04-09T04:57:42.31 | 0.3 | undecidable | manual | S | 325 | 24.0537 | 110 | -0.37 | 68 |
IV.PIEI.HHZ. | 2021-04-09T04:57:42.21 | 0.3 | undecidable | manual | P | 355 | 44.2224 | 50 | -0.06 | 70 |
IV.MGAB.HHZ. | 2021-04-09T04:57:42.37 | 0.3 | undecidable | manual | P | 237 | 45.4212 | 50 | -0.09 | 70 |
IV.FDMO.HHZ. | 2021-04-09T04:57:41.82 | 0.3 | undecidable | manual | P | 105 | 42.624 | 50 | -0.2 | 68 |
IV.ATPI.EHZ. | 2021-04-09T04:57:41.05 | 0.3 | undecidable | manual | P | 338 | 37.5291 | 50 | -0.18 | 69 |
IV.ATFO.HHZ. | 2021-04-09T04:57:39.12 | 0.3 | undecidable | manual | P | 358 | 25.3524 | 109 | -0.03 | 73 |
IV.ASSB.HHZ. | 2021-04-09T04:57:39.01 | 0.3 | undecidable | manual | S | 149 | 12.3765 | 126 | -0.06 | 74 |
IV.CESI.HHZ. | 2021-04-09T04:57:39.91 | 0.3 | undecidable | manual | P | 119 | 30.1476 | 107 | -0.16 | 70 |
IV.MURB.HHZ. | 2021-04-09T04:57:39.93 | 0.3 | undecidable | manual | S | 342 | 14.5743 | 122 | 0.24 | 71 |
IV.ATLO.EHZ. | 2021-04-09T04:57:38.56 | 0.3 | undecidable | manual | P | 325 | 24.0537 | 110 | -0.35 | 68 |
IV.MURB.HHZ. | 2021-04-09T04:57:37.24 | 0.3 | undecidable | manual | P | 342 | 14.5743 | 122 | 0.05 | 74 |
IV.ATCC.EHZ. | 2021-04-09T04:57:37.74 | 0.3 | undecidable | manual | S | 43 | 7.0929 | 142 | 0.01 | 76 |
IV.ATCC.EHZ. | 2021-04-09T04:57:36.10 | 0.1 | undecidable | manual | P | 43 | 7.0929 | 142 | 0.04 | 100 |
IV.ASSB.HHZ. | 2021-04-09T04:57:36.85 | 0.1 | undecidable | manual | P | 149 | 12.3765 | 126 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | ML:1.4 | 0.00028300000000000005 | 1.12 | AML | other | m | 2021-04-09T04:57:39.22 |
IV.ASSB.HHE. | ML:1.4 | 0.0002655 | 0.28 | AML | other | m | 2021-04-09T04:57:39.55 |
IV.MURB.HHE. | ML:2.0 | 0.001155 | 0.3 | AML | other | m | 2021-04-09T04:57:40.25 |
IV.MURB.HNN. | ML:1.7 | 0.000587 | 0.4 | AML | other | m | 2021-04-09T04:57:40.26 |
IV.MURB.HNE. | ML:2.0 | 0.0010265 | 0.3 | AML | other | m | 2021-04-09T04:57:40.26 |
IV.MURB.HHN. | ML:1.8 | 0.0006919999999999999 | 1.04 | AML | other | m | 2021-04-09T04:57:41.70 |
IV.ATFO.HHN. | ML:1.1 | 0.00007664999999999999 | 0.24 | AML | other | m | 2021-04-09T04:57:43.90 |
IV.ATFO.HHE. | ML:1.0 | 0.000059550000000000004 | 0.58 | AML | other | m | 2021-04-09T04:57:43.90 |
IV.CESI.HHE. | ML:1.0 | 0.0000459 | 1.62 | AML | other | m | 2021-04-09T04:57:45.94 |
IV.CESI.HHN. | ML:0.9 | 0.000038 | 1.5 | AML | other | m | 2021-04-09T04:57:46.84 |
IV.FDMO.HHN. | ML:1.2 | 0.00004435 | 0.64 | AML | other | m | 2021-04-09T04:57:48.61 |
IV.FDMO.HHE. | ML:1.0 | 0.000031 | 0.46 | AML | other | m | 2021-04-09T04:57:49.04 |
IV.PIEI.HHE. | ML:1.3 | 0.0000634 | 0.36 | AML | other | m | 2021-04-09T04:57:49.73 |
IV.PIEI.HHN. | ML:1.1 | 0.00003275 | 1.66 | AML | other | m | 2021-04-09T04:57:49.87 |
IV.MGAB.HHN. | ML:1.3 | 0.0000553 | 0.48 | AML | other | m | 2021-04-09T04:57:50.42 |
IV.MGAB.HHE. | ML:1.1 | 0.0000348 | 0.22 | AML | other | m | 2021-04-09T04:57:51.20 |