A magnitude ML 0.8 earthquake occured in region: 7 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0040, 12.8020 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 |
---|---|---|---|---|
Valtopina | PG | 7 | 1398 | 1398 |
Foligno | PG | 10 | 57155 | 58553 |
Spello | PG | 11 | 8645 | 67198 |
Nocera Umbra | PG | 12 | 5839 | 73037 |
Serravalle di Chienti | MC | 15 | 1070 | 74107 |
Trevi | PG | 15 | 8469 | 82576 |
Monte Cavallo | MC | 16 | 145 | 82721 |
Sellano | PG | 16 | 1079 | 83800 |
Assisi | PG | 17 | 28299 | 112099 |
Montefalco | PG | 17 | 5679 | 117778 |
Bevagna | PG | 17 | 5081 | 122859 |
Cannara | PG | 18 | 4305 | 127164 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.8 | 2021-12-20 16:50:45 |
43.0037 | 12.8015 | 10 | 2022-03-30 13:04:32 |
Bollettino Sismico Italiano INGV | 100261941 |
Reviewed Rev100 |
ML 1.5 | 2021-12-20 16:50:45 |
43.0028 | 12.8008 | 10 | 2021-12-20 16:59:01 |
Sala Sismica INGV-Roma | 98759801 |
Field | Value |
---|---|
Time (UTC) | 2021-12-20 16:50:45 ± 0.06 |
Latitude | 43.0037 ± 0.0036 |
Longitude | 12.8015 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 100261941 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 388 |
Semi-minor axis of confidence ellipse (meter) | 225 |
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) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 42 |
Number of defining phases | 24 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43707 |
Number of stations at which the event was observed | 29 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.7 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 98759801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-20 16:59:01 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 100261941 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-03-22 16:15:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ORI.HHZ. | 2021-12-20T16:52:28.51 | 3.0 | undecidable | manual | Sn | -6.24 | 0 | |||
AC.VLO.HHZ. | 2021-12-20T16:52:24.11 | 3.0 | positive | manual | Pg | 15.5 | 0 | |||
IV.ZEN8.EHZ. | 2021-12-20T16:52:19.81 | 3.0 | undecidable | manual | Sg | 8.96 | 0 | |||
IV.VOBA.EHZ. | 2021-12-20T16:52:16.70 | 3.0 | undecidable | manual | Sn | 3.75 | 0 | |||
IX.SCL3.EHZ.02 | 2021-12-20T16:52:15.31 | 3.0 | undecidable | manual | Sg | 3.98 | 0 | |||
IV.SGO.HHZ. | 2021-12-20T16:52:11.55 | 3.0 | undecidable | manual | Sn | 0.1 | 0 | |||
IV.CAVT.HHZ. | 2021-12-20T16:52:06.82 | 3.0 | negative | manual | Pn | 3.02 | 0 | |||
IV.CAR1.HNZ. | 2021-12-20T16:52:03.30 | 3.0 | positive | manual | Pg | 9.74 | 0 | |||
IV.COLB.HHZ. | 2021-12-20T16:51:57.08 | 3.0 | undecidable | manual | Sg | 2.36 | 0 | |||
OT.OT17.EHZ. | 2021-12-20T16:51:55.88 | 3.0 | undecidable | manual | Sg | 2.69 | 0 | |||
IV.SARZ.HHZ. | 2021-12-20T16:51:50.49 | 3.0 | negative | manual | Pg | 12.95 | 0 | |||
IV.IMOL.HNZ. | 2021-12-20T16:51:36.07 | 3.0 | undecidable | manual | Sg | 1.02 | 0 | |||
IX.SCL3.EHZ.02 | 2021-12-20T16:51:31.28 | 3.0 | positive | manual | Pn | -2.07 | 0 | |||
IV.LPEL.HHZ. | 2021-12-20T16:51:29.20 | 3.0 | undecidable | manual | S | -1.46 | 0 | |||
IV.OSSC.HHZ. | 2021-12-20T16:51:24.72 | 3.0 | undecidable | manual | S | -2.07 | 0 | |||
IV.RMP.HHZ. | 2021-12-20T16:51:20.94 | 3.0 | undecidable | manual | S | -3.75 | 0 | |||
IV.CELB.HHZ. | 2021-12-20T16:51:18.63 | 3.0 | negative | manual | Pg | 1.41 | 0 | |||
IV.CSNT.HHZ. | 2021-12-20T16:51:07.85 | 3.0 | positive | manual | P | 0.22 | 0 | |||
IV.LNSS.HHZ. | 2021-12-20T16:51:00.62 | 0.3 | undecidable | manual | S | 156 | 48.5181 | 50 | -0.1 | 70 |
IV.CSP1.EHZ. | 2021-12-20T16:50:57.18 | 0.3 | undecidable | manual | S | 73 | 34.1436 | 50 | 0.31 | 68 |
IV.SNTG.HHZ. | 2021-12-20T16:50:55.68 | 0.3 | undecidable | manual | S | 22 | 30.0477 | 50 | -0.11 | 72 |
IV.NRCA.HHZ. | 2021-12-20T16:50:55.74 | 0.6 | undecidable | manual | S | 127 | 31.6461 | 50 | -0.48 | 44 |
IV.LNSS.HHZ. | 2021-12-20T16:50:54.61 | 0.3 | undecidable | manual | P | 156 | 48.5181 | 50 | 0.5 | 64 |
IV.ATCC.HNN. | 2021-12-20T16:50:54.06 | 0.6 | undecidable | manual | S | 327 | 23.9538 | 113 | -0.03 | 49 |
IV.FDMO.HHZ. | 2021-12-20T16:50:53.72 | 0.6 | undecidable | manual | S | 81 | 23.4543 | 113 | -0.2 | 47 |
IV.FEMA.HNZ. | 2021-12-20T16:50:53.08 | 0.3 | undecidable | manual | S | 103 | 20.6682 | 116 | 0.05 | 74 |
IV.MML1.EHZ. | 2021-12-20T16:50:52.30 | 0.3 | undecidable | manual | S | 49 | 18.3705 | 118 | -0.03 | 74 |
IV.SNTG.HHZ. | 2021-12-20T16:50:51.72 | 0.3 | undecidable | manual | P | 22 | 30.0477 | 50 | 0.46 | 67 |
IT.MTCL.HGZ. | 2021-12-20T16:50:51.62 | 0.6 | undecidable | manual | S | 94 | 16.0728 | 122 | -0.02 | 50 |
IV.CSP1.EHZ. | 2021-12-20T16:50:51.75 | 0.3 | undecidable | manual | P | 73 | 34.1436 | 50 | -0.13 | 71 |
IV.NRCA.HHZ. | 2021-12-20T16:50:51.32 | 0.3 | undecidable | manual | P | 127 | 31.6461 | 50 | -0.18 | 70 |
IV.ATCC.HNN. | 2021-12-20T16:50:50.16 | 0.3 | undecidable | manual | P | 327 | 23.9538 | 113 | -0.12 | 72 |
IV.ASSB.HHZ. | 2021-12-20T16:50:50.45 | 0.6 | undecidable | manual | S | 290 | 12.3765 | 129 | -0.13 | 49 |
IV.CESI.HHZ. | 2021-12-20T16:50:49.81 | 0.3 | undecidable | manual | S | 89 | 8.3805 | 140 | 0.22 | 73 |
IT.FOPC.HGZ. | 2021-12-20T16:50:49.90 | 0.3 | undecidable | manual | S | 245 | 8.7801 | 139 | 0.21 | 73 |
IV.FDMO.HHZ. | 2021-12-20T16:50:49.93 | 0.3 | undecidable | manual | P | 81 | 23.4543 | 113 | -0.25 | 71 |
IV.FEMA.HNZ. | 2021-12-20T16:50:49.65 | 0.6 | undecidable | manual | P | 103 | 20.6682 | 116 | -0.02 | 50 |
IV.MML1.EHZ. | 2021-12-20T16:50:49.23 | 0.1 | undecidable | manual | P | 49 | 18.3705 | 118 | -0.03 | 99 |
IT.MTCL.HGZ. | 2021-12-20T16:50:48.86 | 0.3 | undecidable | manual | P | 94 | 16.0728 | 122 | 0 | 75 |
IV.ASSB.HHZ. | 2021-12-20T16:50:48.21 | 0.1 | undecidable | manual | P | 290 | 12.3765 | 129 | -0.04 | 100 |
IT.FOPC.HGZ. | 2021-12-20T16:50:47.56 | 0.3 | undecidable | manual | P | 245 | 8.7801 | 139 | -0.18 | 73 |
IV.CESI.HHZ. | 2021-12-20T16:50:47.78 | 0.1 | undecidable | manual | P | 89 | 8.3805 | 140 | 0.1 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.7 | 0.00007335 | 0.28 | AML | other | m | 2021-12-20T16:50:50.06 |
IV.CESI.HHE. | ML:0.7 | 0.00006635 | 1.6 | AML | other | m | 2021-12-20T16:50:50.92 |
IV.ASSB.HHE. | ML:1.3 | 0.0002 | 0.08 | AML | other | m | 2021-12-20T16:50:50.81 |
IV.ASSB.HHN. | ML:1.2 | 0.000192 | 0.94 | AML | other | m | 2021-12-20T16:50:51.54 |
IV.MML1.EHE. | ML:1.1 | 0.00009864999999999999 | 0.1 | AML | other | m | 2021-12-20T16:50:52.61 |
IV.MML1.EHN. | ML:0.9 | 0.00006185 | 0.78 | AML | other | m | 2021-12-20T16:50:53.66 |
IV.FDMO.HHE. | ML:0.6 | 0.00002520366 | 0.2816 | AML | other | m | 2021-12-20T16:50:53.77 |
IV.FDMO.HHN. | ML:0.7 | 0.000028009600000000004 | 0.1792 | AML | other | m | 2021-12-20T16:50:54.86 |
IV.NRCA.HHN. | ML:0.8 | 0.000031271185 | 0.6912 | AML | other | m | 2021-12-20T16:50:56.17 |
IV.SNTG.HHE. | ML:0.5 | 0.00001604377 | 0.0896 | AML | other | m | 2021-12-20T16:50:55.99 |
IV.SNTG.HHN. | ML:0.5 | 0.000014500602 | 0.1408 | AML | other | m | 2021-12-20T16:50:56.70 |
IV.CSP1.EHN. | ML:0.9 | 0.000033174975 | 0.3456 | AML | other | m | 2021-12-20T16:50:57.56 |
IV.CSP1.EHE. | ML:0.9 | 0.000028534134999999994 | 0.3584 | AML | other | m | 2021-12-20T16:50:57.61 |