A magnitude ML 1.6 earthquake occured in region: 4 km SW Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1380, 12.5630 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 |
---|---|---|---|---|
Valfabbrica | PG | 4 | 3389 | 3389 |
Bastia Umbra | PG | 8 | 21874 | 25263 |
Assisi | PG | 9 | 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 | 19 | 5839 | 250975 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-03-23 11:49:35 |
43.1377 | 12.5627 | 10 | 2021-07-12 16:55:17 |
Bollettino Sismico Italiano INGV | 92156781 |
Reviewed Rev100 |
ML 1.7 | 2021-03-23 11:49:36 |
43.1395 | 12.5707 | 10 | 2021-03-23 11:53:31 |
Sala Sismica INGV-Roma | 88406561 |
Field | Value |
---|---|
Time (UTC) | 2021-03-23 11:49:35 ± 0.08 |
Latitude | 43.1377 ± 0.0045 |
Longitude | 12.5627 ± 0.0074 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 92156781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 686 |
Semi-minor axis of confidence ellipse (meter) | 332 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 51 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
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) | 0.07374 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47484 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 92156781 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-07-02 16:13:02 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 88406561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-23 11:53:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAFI.HNN. | 2021-03-23T11:49:53.19 | 0.6 | undecidable | manual | S | 294 | 52.7028 | 50 | 0.46 | 42 |
IV.CESI.HHZ. | 2021-03-23T11:49:47.04 | 0.6 | undecidable | manual | S | 118 | 31.3464 | 50 | -0.01 | 48 |
IV.CAFI.HNN. | 2021-03-23T11:49:46.12 | 0.3 | undecidable | manual | P | 294 | 52.7028 | 50 | 0.49 | 63 |
IV.TB02.DHZ.01 | 2021-03-23T11:49:46.30 | 0.6 | undecidable | manual | S | 334 | 28.6491 | 50 | -0.01 | 48 |
IV.ATFO.HHN. | 2021-03-23T11:49:45.65 | 0.6 | undecidable | manual | S | 2 | 25.3524 | 111 | 0.25 | 46 |
IV.ATVA.EHE. | 2021-03-23T11:49:45.25 | 0.6 | undecidable | manual | S | 305 | 27.3504 | 50 | -0.72 | 40 |
IV.ATLO.EHE. | 2021-03-23T11:49:44.55 | 0.6 | undecidable | manual | S | 327 | 23.3544 | 113 | -0.18 | 47 |
IV.FOSV.EHZ. | 2021-03-23T11:49:44.88 | 0.3 | undecidable | manual | S | 43 | 23.6541 | 113 | 0.04 | 73 |
IV.CESI.HHZ. | 2021-03-23T11:49:42.32 | 0.3 | undecidable | manual | P | 118 | 31.3464 | 50 | -0.03 | 72 |
IV.FOSV.EHZ. | 2021-03-23T11:49:41.02 | 0.1 | undecidable | manual | P | 43 | 23.6541 | 113 | -0.06 | 96 |
IV.ASSB.HHZ. | 2021-03-23T11:49:41.53 | 0.6 | undecidable | manual | S | 144 | 13.0758 | 127 | -0.1 | 49 |
IV.ATFO.HHN. | 2021-03-23T11:49:41.93 | 0.3 | undecidable | manual | P | 2 | 25.3524 | 111 | 0.53 | 65 |
IV.MURB.HHZ. | 2021-03-23T11:49:41.86 | 0.3 | undecidable | manual | S | 347 | 14.2746 | 125 | -0.09 | 73 |
IV.ATVA.EHE. | 2021-03-23T11:49:41.67 | 0.3 | undecidable | manual | P | 305 | 27.3504 | 50 | -0.06 | 72 |
IV.TB02.DHZ.01 | 2021-03-23T11:49:41.61 | 0.3 | undecidable | manual | P | 334 | 28.6491 | 50 | -0.32 | 68 |
IV.ATLO.EHE. | 2021-03-23T11:49:40.85 | 0.1 | undecidable | manual | P | 327 | 23.3544 | 113 | -0.17 | 94 |
IV.ATCC.EHZ. | 2021-03-23T11:49:40.15 | 0.6 | undecidable | manual | S | 50 | 8.1807 | 140 | -0.23 | 48 |
IV.MURB.HHZ. | 2021-03-23T11:49:39.50 | 0.1 | undecidable | manual | P | 347 | 14.2746 | 125 | 0.09 | 97 |
IV.ASSB.HHZ. | 2021-03-23T11:49:39.27 | 0.1 | negative | manual | P | 144 | 13.0758 | 127 | 0.04 | 98 |
IV.ATCC.EHZ. | 2021-03-23T11:49:38.51 | 0.1 | positive | manual | P | 50 | 8.1807 | 140 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ATCC.EHN. | ML:1.8 | 0.00091128915 | 0.3392 | AML | other | m | 2021-03-23T11:49:40.49 |
IV.ATCC.EHE. | ML:1.8 | 0.00090489665 | 0.256 | AML | other | m | 2021-03-23T11:49:41.26 |
IV.ASSB.HHN. | ML:1.4 | 0.0002580884 | 0.16 | AML | other | m | 2021-03-23T11:49:42.75 |
IV.ASSB.HHE. | ML:1.2 | 0.0001887352 | 0.1024 | AML | other | m | 2021-03-23T11:49:43.29 |
IV.MURB.HHE. | ML:2.1 | 0.0012867255 | 0.3008 | AML | other | m | 2021-03-23T11:49:42.48 |
IV.MURB.HHN. | ML:1.9 | 0.0007764474 | 0.2752 | AML | other | m | 2021-03-23T11:49:43.42 |
IV.MURB.HNE. | ML:2.0 | 0.0011442835 | 0.288 | AML | other | m | 2021-03-23T11:49:42.34 |
IV.MURB.HNN. | ML:1.9 | 0.0007476688499999999 | 0.288 | AML | other | m | 2021-03-23T11:49:43.43 |
IV.FOSV.EHE. | ML:0.9 | 0.00004280888 | 0.16 | AML | other | m | 2021-03-23T11:49:46.41 |
IV.FOSV.EHN. | ML:0.9 | 0.000045952230000000006 | 0.384 | AML | other | m | 2021-03-23T11:49:47.76 |
IV.CESI.HHE. | ML:1.1 | 0.000058478815 | 0.16 | AML | other | m | 2021-03-23T11:49:47.40 |
IV.CESI.HHN. | ML:1.0 | 0.000052248395 | 0.4608 | AML | other | m | 2021-03-23T11:49:50.52 |