A magnitude ML 1.1 earthquake occured in region: 4 km SW Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1360, 12.5670 at 9 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 |
---|---|---|---|---|
Valfabbrica | PG | 4 | 3389 | 3389 |
Bastia Umbra | PG | 8 | 21874 | 25263 |
Assisi | PG | 8 | 28299 | 53562 |
Perugia | PG | 15 | 166134 | 219696 |
Bettona | PG | 15 | 4367 | 224063 |
Cannara | PG | 16 | 4305 | 228368 |
Torgiano | PG | 16 | 6725 | 235093 |
Valtopina | PG | 18 | 1398 | 236491 |
Spello | PG | 18 | 8645 | 245136 |
Nocera Umbra | PG | 18 | 5839 | 250975 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-04-18 01:54:10 |
43.1365 | 12.5667 | 9 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 89985701 |
Reviewed Rev100 |
ML 1.2 | 2021-04-18 01:54:11 |
43.14 | 12.5928 | 10 | 2021-04-18 01:59:46 |
Sala Sismica INGV-Roma | 89196461 |
Field | Value |
---|---|
Time (UTC) | 2021-04-18 01:54:10 ± 0.04 |
Latitude | 43.1365 ± 0.0018 |
Longitude | 12.5667 ± 0.0025 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89985701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 246 |
Semi-minor axis of confidence ellipse (meter) | 169 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 246 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 44 |
Number of defining phases | 44 |
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) | 0.07195 |
Epicentral distance of station farthest from the epicenter (degree) | 0.57557 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 24 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 89985701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-11 09:03:16 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 89196461 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-18 01:59:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-04-18T01:54:27.74 | 0.3 | undecidable | manual | S | 95 | 51.9036 | 50 | 0.24 | 67 |
IV.EL6.EHZ. | 2021-04-18T01:54:26.74 | 0.3 | undecidable | manual | S | 63 | 48.2184 | 50 | 0.22 | 68 |
IV.MGAB.HHZ. | 2021-04-18T01:54:25.56 | 0.6 | undecidable | manual | S | 236 | 44.4222 | 50 | 0.05 | 47 |
IV.FDMO.HHZ. | 2021-04-18T01:54:25.33 | 0.6 | undecidable | manual | S | 105 | 43.623 | 50 | 0.05 | 47 |
IV.SSFR.HHN. | 2021-04-18T01:54:23.64 | 0.6 | undecidable | manual | S | 28 | 37.5291 | 50 | -0.02 | 48 |
IV.MOMA.HHZ. | 2021-04-18T01:54:23.61 | 0.3 | undecidable | manual | S | 180 | 36.9297 | 50 | 0.12 | 70 |
IV.ATBU.EHZ. | 2021-04-18T01:54:23.86 | 0.6 | undecidable | manual | S | 358 | 37.629 | 50 | 0.17 | 46 |
IV.ATMI.HHZ. | 2021-04-18T01:54:22.13 | 0.6 | undecidable | manual | S | 312 | 32.6451 | 50 | -0.22 | 46 |
IV.ARRO.EHZ. | 2021-04-18T01:54:22.45 | 0.1 | undecidable | manual | P | 165 | 63.8916 | 50 | 0.16 | 89 |
IV.ATSC.EHE. | 2021-04-18T01:54:22.62 | 0.6 | undecidable | manual | S | 17 | 33.3444 | 50 | 0.08 | 48 |
IV.SACS.HHE. | 2021-04-18T01:54:22.34 | 0.1 | undecidable | manual | P | 239 | 62.0934 | 50 | 0.33 | 86 |
IV.MML1.HNE. | 2021-04-18T01:54:22.44 | 0.6 | undecidable | manual | S | 94 | 32.8449 | 50 | 0.02 | 48 |
IV.TB01.DHZ. | 2021-04-18T01:54:21.43 | 0.6 | undecidable | manual | S | 339 | 29.1486 | 108 | 0.01 | 49 |
IV.TB02.DHZ.01 | 2021-04-18T01:54:21.25 | 0.3 | undecidable | manual | S | 334 | 28.8489 | 108 | -0.08 | 72 |
IV.CESX.HHE. | 2021-04-18T01:54:21.23 | 0.6 | undecidable | manual | P | 178 | 58.5969 | 50 | -0.24 | 44 |
IV.CESI.HHE. | 2021-04-18T01:54:21.61 | 0.6 | undecidable | manual | S | 118 | 31.0467 | 50 | -0.32 | 45 |
IV.ATVA.EHZ. | 2021-04-18T01:54:20.58 | 0.3 | undecidable | manual | S | 305 | 27.6501 | 109 | -0.35 | 68 |
IV.CSP1.EHZ. | 2021-04-18T01:54:20.48 | 0.6 | undecidable | manual | P | 95 | 51.9036 | 50 | 0.04 | 46 |
IV.ATFO.HHZ. | 2021-04-18T01:54:20.48 | 0.3 | undecidable | manual | S | 1 | 25.5522 | 110 | 0.26 | 70 |
IV.GAVE.EHN. | 2021-04-18T01:54:20.87 | 0.6 | undecidable | manual | P | 152 | 55.9995 | 50 | -0.2 | 45 |
IV.EL6.EHZ. | 2021-04-18T01:54:19.98 | 0.3 | undecidable | manual | P | 63 | 48.2184 | 50 | 0.11 | 69 |
IV.FOSV.EHZ. | 2021-04-18T01:54:19.74 | 0.6 | undecidable | manual | S | 42 | 23.5542 | 112 | 0.15 | 48 |
IV.MGAB.HHZ. | 2021-04-18T01:54:19.22 | 0.1 | undecidable | manual | P | 236 | 44.4222 | 50 | -0.07 | 94 |
IV.ATLO.HNZ. | 2021-04-18T01:54:19.54 | 0.3 | undecidable | manual | S | 327 | 23.6541 | 112 | -0.07 | 73 |
IV.FDMO.HHZ. | 2021-04-18T01:54:19.04 | 0.3 | undecidable | manual | P | 105 | 43.623 | 50 | -0.12 | 70 |
IV.ATBU.EHZ. | 2021-04-18T01:54:18.00 | 0.1 | undecidable | manual | P | 358 | 37.629 | 50 | -0.24 | 91 |
IV.MOMA.HHZ. | 2021-04-18T01:54:18.34 | 0.3 | undecidable | manual | P | 180 | 36.9297 | 50 | 0.21 | 69 |
IV.MURB.HHZ. | 2021-04-18T01:54:17.20 | 0.3 | undecidable | manual | S | 346 | 14.4744 | 123 | 0.44 | 68 |
IV.MML1.HNE. | 2021-04-18T01:54:17.31 | 0.1 | undecidable | manual | P | 94 | 32.8449 | 50 | -0.2 | 93 |
IV.SSFR.HHN. | 2021-04-18T01:54:17.86 | 0.1 | undecidable | manual | P | 28 | 37.5291 | 50 | -0.36 | 89 |
IV.ATMI.HHZ. | 2021-04-18T01:54:17.84 | 0.1 | undecidable | manual | P | 312 | 32.6451 | 50 | 0.38 | 90 |
IV.ATSC.EHE. | 2021-04-18T01:54:17.40 | 0.1 | undecidable | manual | P | 17 | 33.3444 | 50 | -0.17 | 93 |
IV.CESI.HHE. | 2021-04-18T01:54:17.09 | 0.1 | undecidable | manual | P | 118 | 31.0467 | 50 | -0.13 | 95 |
IV.ATFO.HHZ. | 2021-04-18T01:54:16.15 | 0.3 | undecidable | manual | P | 1 | 25.5522 | 110 | -0.09 | 72 |
IV.ATVA.EHZ. | 2021-04-18T01:54:16.59 | 0.1 | undecidable | manual | P | 305 | 27.6501 | 109 | -0.06 | 97 |
IV.TB01.DHZ. | 2021-04-18T01:54:16.94 | 0.1 | undecidable | manual | P | 339 | 29.1486 | 108 | 0.01 | 97 |
IV.ASSB.HHZ. | 2021-04-18T01:54:16.17 | 0.6 | undecidable | manual | S | 144 | 12.7761 | 126 | -0.12 | 49 |
IV.TB02.DHZ.01 | 2021-04-18T01:54:16.99 | 0.3 | undecidable | manual | P | 334 | 28.8489 | 108 | 0.11 | 71 |
IV.ATLO.HNZ. | 2021-04-18T01:54:15.71 | 0.1 | undecidable | manual | P | 327 | 23.6541 | 112 | -0.17 | 95 |
IV.FOSV.EHZ. | 2021-04-18T01:54:15.85 | 0.3 | undecidable | manual | P | 42 | 23.5542 | 112 | -0.02 | 73 |
IV.ASSB.HHZ. | 2021-04-18T01:54:14.06 | 0.3 | undecidable | manual | P | 144 | 12.7761 | 126 | 0.09 | 74 |
IV.MURB.HHZ. | 2021-04-18T01:54:14.36 | 0.3 | undecidable | manual | P | 346 | 14.4744 | 123 | 0.12 | 73 |
IV.ATCC.EHZ. | 2021-04-18T01:54:14.87 | 0.6 | undecidable | manual | S | 48 | 7.9809 | 139 | -0.19 | 49 |
IV.ATCC.EHZ. | 2021-04-18T01:54:13.31 | 0.1 | positive | manual | P | 48 | 7.9809 | 139 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHE. | ML:1.4 | 0.000384 | 0.82 | AML | other | m | 2021-04-18T01:54:15.46 |
IV.ATCC.EHN. | ML:1.5 | 0.00045 | 0.28 | AML | other | m | 2021-04-18T01:54:15.49 |
IV.ASSB.HHE. | ML:1.0 | 0.0001043 | 0.34 | AML | other | m | 2021-04-18T01:54:16.91 |
IV.ASSB.HHN. | ML:1.1 | 0.00014250000000000002 | 0.24 | AML | other | m | 2021-04-18T01:54:17.33 |
IV.FOSV.EHE. | ML:0.8 | 0.00004495 | 1.1 | AML | other | m | 2021-04-18T01:54:20.59 |
IV.FOSV.EHN. | ML:0.9 | 0.0000561 | 1.38 | AML | other | m | 2021-04-18T01:54:20.04 |
IV.FDMO.HHN. | ML:1.0 | 0.0000277 | 1.22 | AML | other | m | 2021-04-18T01:54:25.81 |
IV.FDMO.HHE. | ML:0.9 | 0.000026450000000000003 | 1.32 | AML | other | m | 2021-04-18T01:54:26.09 |
IV.ATMI.HHN. | ML:1.0 | 0.000049250000000000004 | 0.42 | AML | other | m | 2021-04-18T01:54:27.07 |
IV.ATMI.HHE. | ML:1.0 | 0.000040400000000000006 | 0.42 | AML | other | m | 2021-04-18T01:54:27.76 |