A magnitude ML 1.2 earthquake occured in region: 8 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0400, 12.8540 at 11 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 | 8 | 1398 | 1398 |
Serravalle di Chienti | MC | 9 | 1070 | 2468 |
Nocera Umbra | PG | 10 | 5839 | 8307 |
Monte Cavallo | MC | 13 | 145 | 8452 |
Sefro | MC | 14 | 422 | 8874 |
Foligno | PG | 15 | 57155 | 66029 |
Spello | PG | 16 | 8645 | 74674 |
Pieve Torina | MC | 16 | 1458 | 76132 |
Muccia | MC | 16 | 915 | 77047 |
Sellano | PG | 18 | 1079 | 78126 |
Fiuminata | MC | 18 | 1402 | 79528 |
Pioraco | MC | 19 | 1134 | 80662 |
Pievebovigliana | MC | 19 | 866 | 81528 |
Fiordimonte | MC | 19 | 202 | 81730 |
Assisi | PG | 20 | 28299 | 110029 |
Trevi | PG | 20 | 8469 | 118498 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-08-18 23:15:38 |
43.0402 | 12.8543 | 11 | 2021-12-29 11:12:28 |
Bollettino Sismico Italiano INGV | 95235701 |
Reviewed Rev100 |
ML 1.2 | 2021-08-18 23:15:38 |
43.038 | 12.8547 | 11 | 2021-08-18 23:22:18 |
Sala Sismica INGV-Roma | 94349841 |
Field | Value |
---|---|
Time (UTC) | 2021-08-18 23:15:38 ± 0.03 |
Latitude | 43.0402 ± 0.0018 |
Longitude | 12.8543 ± 0.0025 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 95235701 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 206 |
Semi-minor axis of confidence ellipse (meter) | 143 |
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) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 50 |
Number of associated phases, regardless of their use for origin computation | 45 |
Number of defining phases | 45 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.05126 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60434 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 94349841 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-18 23:22:18 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 22 |
Type of magnitude | ML |
Reference to an origin | 95235701 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-09 13:28:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PIEI.HHZ. | 2021-08-18T23:15:57.14 | 0.3 | undecidable | manual | S | 335 | 60.6948 | 50 | 0.21 | 66 |
IV.CESX.HHE. | 2021-08-18T23:15:55.05 | 0.6 | undecidable | manual | S | 205 | 52.6029 | 50 | 0.29 | 44 |
IV.ARVD.HHZ. | 2021-08-18T23:15:54.51 | 0.6 | undecidable | manual | S | 8 | 51.3153 | 50 | 0.1 | 46 |
IV.LNSS.HNZ. | 2021-08-18T23:15:54.42 | 0.3 | undecidable | manual | S | 163 | 50.8158 | 50 | 0.14 | 69 |
IV.ARRO.EHZ. | 2021-08-18T23:15:54.90 | 0.6 | undecidable | manual | S | 188 | 51.6039 | 50 | 0.4 | 43 |
IV.CING.HHZ. | 2021-08-18T23:15:53.42 | 0.3 | undecidable | manual | S | 36 | 46.3203 | 50 | 0.34 | 66 |
IV.GAVE.EHZ. | 2021-08-18T23:15:51.00 | 0.6 | undecidable | manual | S | 175 | 38.7279 | 50 | -0.05 | 48 |
IV.GUMA.HHZ. | 2021-08-18T23:15:51.36 | 0.3 | undecidable | manual | S | 86 | 39.0276 | 50 | 0.21 | 69 |
IV.MMO1.EHZ. | 2021-08-18T23:15:51.69 | 0.3 | undecidable | manual | S | 112 | 41.4252 | 50 | -0.09 | 71 |
IV.EL6.EHZ. | 2021-08-18T23:15:50.83 | 0.3 | undecidable | manual | S | 32 | 37.8288 | 50 | 0.01 | 72 |
IV.MOMA.HHZ. | 2021-08-18T23:15:50.13 | 0.3 | undecidable | manual | S | 221 | 34.9428 | 50 | 0.09 | 71 |
IV.MURB.HHZ. | 2021-08-18T23:15:50.69 | 0.3 | undecidable | manual | S | 313 | 36.3414 | 50 | 0.26 | 69 |
IV.NARO.HHZ. | 2021-08-18T23:15:49.88 | 0.3 | undecidable | manual | P | 341 | 67.0773 | 50 | -0.11 | 67 |
IV.MC2.EHZ. | 2021-08-18T23:15:49.03 | 0.3 | undecidable | manual | S | 118 | 30.6471 | 50 | 0.12 | 71 |
IV.FOSV.EHZ. | 2021-08-18T23:15:48.88 | 0.3 | undecidable | manual | S | 345 | 29.2485 | 50 | 0.36 | 68 |
IV.NRCA.HHZ. | 2021-08-18T23:15:48.94 | 0.3 | undecidable | manual | S | 137 | 31.1466 | 50 | -0.1 | 72 |
IV.CSP1.EHZ. | 2021-08-18T23:15:48.44 | 0.3 | undecidable | manual | S | 78 | 28.9488 | 50 | -0.02 | 73 |
IV.PIEI.HHZ. | 2021-08-18T23:15:48.82 | 0.1 | undecidable | manual | P | 335 | 60.6948 | 50 | -0.19 | 89 |
IV.ARRO.EHZ. | 2021-08-18T23:15:47.68 | 0.6 | undecidable | manual | P | 188 | 51.6039 | 50 | 0.07 | 46 |
IV.ATCC.EHZ. | 2021-08-18T23:15:47.04 | 0.3 | undecidable | manual | S | 313 | 23.6541 | 50 | 0 | 74 |
IV.CESX.HHE. | 2021-08-18T23:15:47.55 | 0.6 | undecidable | manual | P | 205 | 52.6029 | 50 | -0.21 | 45 |
IV.ARVD.HHZ. | 2021-08-18T23:15:47.20 | 0.3 | undecidable | manual | P | 8 | 51.3153 | 50 | -0.36 | 66 |
IV.LNSS.HNZ. | 2021-08-18T23:15:47.34 | 0.1 | undecidable | manual | P | 163 | 50.8158 | 50 | -0.14 | 92 |
IV.CING.HHZ. | 2021-08-18T23:15:46.63 | 0.3 | undecidable | manual | P | 36 | 46.3203 | 50 | -0.16 | 69 |
IV.MURB.HHZ. | 2021-08-18T23:15:45.18 | 0.3 | undecidable | manual | P | 313 | 36.3414 | 50 | -0.08 | 71 |
IV.MMO1.EHZ. | 2021-08-18T23:15:45.77 | 0.3 | undecidable | manual | P | 112 | 41.4252 | 50 | -0.26 | 68 |
IV.FDMO.HHZ. | 2021-08-18T23:15:45.52 | 0.3 | undecidable | manual | S | 91 | 18.87 | 120 | -0.23 | 71 |
IV.EL6.EHZ. | 2021-08-18T23:15:45.33 | 0.3 | undecidable | manual | P | 32 | 37.8288 | 50 | -0.16 | 70 |
IV.GAVE.EHZ. | 2021-08-18T23:15:45.54 | 0.3 | undecidable | manual | P | 175 | 38.7279 | 50 | -0.08 | 71 |
IV.GUMA.HHZ. | 2021-08-18T23:15:45.87 | 0.3 | undecidable | manual | P | 86 | 39.0276 | 50 | 0.19 | 69 |
IV.ASSB.HHZ. | 2021-08-18T23:15:44.71 | 0.3 | undecidable | manual | S | 271 | 15.873 | 124 | -0.15 | 73 |
IV.CSP1.EHZ. | 2021-08-18T23:15:44.05 | 0.3 | positive | manual | P | 78 | 28.9488 | 50 | -0.08 | 72 |
IV.NRCA.HHZ. | 2021-08-18T23:15:44.21 | 0.3 | undecidable | manual | P | 137 | 31.1466 | 50 | -0.25 | 70 |
IT.MTCL.HGZ. | 2021-08-18T23:15:44.21 | 0.6 | undecidable | manual | S | 113 | 12.876 | 130 | 0.18 | 49 |
IV.MOMA.HHZ. | 2021-08-18T23:15:44.95 | 0.3 | undecidable | manual | P | 221 | 34.9428 | 50 | -0.08 | 71 |
IV.MC2.EHZ. | 2021-08-18T23:15:44.25 | 0.3 | undecidable | manual | P | 118 | 30.6471 | 50 | -0.13 | 71 |
IV.FOSV.EHZ. | 2021-08-18T23:15:43.88 | 0.6 | undecidable | manual | P | 345 | 29.2485 | 50 | -0.28 | 46 |
IV.MML1.EHZ. | 2021-08-18T23:15:43.94 | 0.3 | undecidable | manual | S | 49 | 12.4764 | 131 | -0.01 | 75 |
IV.ATCC.EHZ. | 2021-08-18T23:15:43.17 | 0.3 | undecidable | manual | P | 313 | 23.6541 | 50 | -0.13 | 72 |
IV.ASSB.HHZ. | 2021-08-18T23:15:42.04 | 0.1 | positive | manual | P | 271 | 15.873 | 124 | -0.01 | 100 |
IV.CESI.HHZ. | 2021-08-18T23:15:42.66 | 0.3 | undecidable | manual | S | 134 | 5.6943 | 152 | 0.22 | 73 |
IV.FDMO.HHZ. | 2021-08-18T23:15:42.45 | 0.3 | undecidable | manual | P | 91 | 18.87 | 120 | -0.11 | 73 |
IT.MTCL.HGZ. | 2021-08-18T23:15:41.72 | 0.3 | undecidable | manual | P | 113 | 12.876 | 130 | 0.15 | 73 |
IV.MML1.EHZ. | 2021-08-18T23:15:41.67 | 0.3 | negative | manual | P | 49 | 12.4764 | 131 | 0.15 | 73 |
IV.CESI.HHZ. | 2021-08-18T23:15:40.93 | 0.1 | undecidable | manual | P | 134 | 5.6943 | 152 | 0.28 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHN. | ML:0.9 | 0.00012014999999999999 | 0.06 | AML | other | m | 2021-08-18T23:15:42.88 |
IV.CESI.HHE. | ML:1.1 | 0.00020400000000000003 | 0.16 | AML | other | m | 2021-08-18T23:15:42.91 |
IV.MML1.EHE. | ML:1.4 | 0.0002535 | 0.1 | AML | other | m | 2021-08-18T23:15:44.37 |
IV.MML1.HNE. | ML:1.4 | 0.0002485 | 0.1 | AML | other | m | 2021-08-18T23:15:44.37 |
IV.MML1.HNN. | ML:1.4 | 0.000261 | 0.8 | AML | other | m | 2021-08-18T23:15:44.29 |
IV.MML1.EHN. | ML:1.2 | 0.000184 | 0.8 | AML | other | m | 2021-08-18T23:15:44.29 |
IV.ASSB.HHE. | ML:1.4 | 0.0002105 | 0.28 | AML | other | m | 2021-08-18T23:15:45.31 |
IV.ASSB.HHN. | ML:1.4 | 0.000228 | 0.14 | AML | other | m | 2021-08-18T23:15:45.46 |
IV.FDMO.HHN. | ML:0.8 | 0.0000511 | 1.14 | AML | other | m | 2021-08-18T23:15:45.33 |
IV.FDMO.HHE. | ML:0.9 | 0.0000596 | 0.74 | AML | other | m | 2021-08-18T23:15:46.04 |
IV.ATCC.EHE. | ML:1.1 | 0.00006759999999999999 | 0.9 | AML | other | m | 2021-08-18T23:15:47.82 |
IV.ATCC.EHN. | ML:1.0 | 0.00006670000000000001 | 1.52 | AML | other | m | 2021-08-18T23:15:47.89 |
IV.NRCA.HHN. | ML:1.2 | 0.0000802 | 0.14 | AML | other | m | 2021-08-18T23:15:49.12 |
IV.NRCA.HHE. | ML:1.1 | 0.00005965 | 1.34 | AML | other | m | 2021-08-18T23:15:49.23 |
IV.MOMA.HHN. | ML:1.1 | 0.000053099999999999996 | 0.2 | AML | other | m | 2021-08-18T23:15:51.31 |
IV.MOMA.HHE. | ML:1.1 | 0.00005415 | 1.28 | AML | other | m | 2021-08-18T23:15:51.32 |
IV.EL6.EHE. | ML:1.6 | 0.00013515 | 0.14 | AML | other | m | 2021-08-18T23:15:51.42 |
IV.EL6.EHN. | ML:1.4 | 0.00009915 | 0.12 | AML | other | m | 2021-08-18T23:15:51.54 |
IV.GAVE.EHE. | ML:1.3 | 0.00006295000000000001 | 0.52 | AML | other | m | 2021-08-18T23:15:51.81 |
IV.MURB.HHE. | ML:1.3 | 0.00006785 | 1.12 | AML | other | m | 2021-08-18T23:15:52.86 |
IV.GAVE.EHN. | ML:1.4 | 0.00008319999999999999 | 0.5 | AML | other | m | 2021-08-18T23:15:52.84 |
IV.MURB.HHN. | ML:1.4 | 0.00009465 | 1.72 | AML | other | m | 2021-08-18T23:15:54.03 |