A magnitude ML 1.3 earthquake occured in region: 4 km W Visso (MC), on
and geographic coordinates (lat, lon) 42.9310, 13.0430 at 8 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 |
---|---|---|---|---|
Visso | MC | 4 | 1107 | 1107 |
Preci | PG | 6 | 724 | 1831 |
Monte Cavallo | MC | 8 | 145 | 1976 |
Ussita | MC | 8 | 444 | 2420 |
Castelsantangelo sul Nera | MC | 10 | 281 | 2701 |
Sellano | PG | 10 | 1079 | 3780 |
Fiordimonte | MC | 13 | 202 | 3982 |
Pieve Torina | MC | 13 | 1458 | 5440 |
Fiastra | MC | 15 | 559 | 5999 |
Pievebovigliana | MC | 15 | 866 | 6865 |
Acquacanina | MC | 16 | 121 | 6986 |
Norcia | PG | 16 | 4957 | 11943 |
Cerreto di Spoleto | PG | 16 | 1075 | 13018 |
Bolognola | MC | 17 | 142 | 13160 |
Muccia | MC | 17 | 915 | 14075 |
Serravalle di Chienti | MC | 17 | 1070 | 15145 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-08-19 02:00:59 |
42.931 | 13.0428 | 8 | 2021-08-19 02:18:35 |
Sala Sismica INGV-Roma | 94353191 |
Field | Value |
---|---|
Time (UTC) | 2021-08-19 02:00:59 ± 0.05 |
Latitude | 42.9310 ± 0.0027 |
Longitude | 13.0428 ± 0.0037 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 94353191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 278 |
Semi-minor axis of confidence ellipse (meter) | 268 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 26 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 27 |
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) | 0.03148 |
Epicentral distance of station farthest from the epicenter (degree) | 0.51441 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 94353191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-19 02:18:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-08-19T02:01:11.03 | 0.6 | undecidable | manual | S | 292 | 33.5442 | 103 | -0.07 | 63 |
IV.TERO.HHZ. | 2021-08-19T02:01:09.55 | 0.3 | undecidable | manual | P | 127 | 57.0984 | 50 | -0.27 | 87 |
IV.CING.HHZ. | 2021-08-19T02:01:08.89 | 0.3 | undecidable | manual | P | 14 | 50.8158 | 50 | 0.03 | 93 |
IV.MNTT.EHZ. | 2021-08-19T02:01:08.17 | 0.3 | undecidable | manual | P | 72 | 47.1195 | 50 | -0.12 | 92 |
IV.CSP1.EHZ. | 2021-08-19T02:01:07.34 | 0.6 | undecidable | manual | S | 36 | 22.1556 | 109 | 0.04 | 65 |
IV.MML1.EHZ. | 2021-08-19T02:01:07.01 | 0.6 | undecidable | manual | S | 344 | 21.0678 | 110 | 0.08 | 65 |
IV.SMA1.EHZ. | 2021-08-19T02:01:07.22 | 0.3 | undecidable | manual | P | 144 | 40.9257 | 50 | -0.12 | 93 |
IV.ATCC.EHZ. | 2021-08-19T02:01:07.54 | 0.3 | undecidable | manual | P | 311 | 43.1235 | 50 | -0.14 | 92 |
IV.MF5.EHZ. | 2021-08-19T02:01:06.64 | 0.3 | undecidable | manual | P | 79 | 34.4433 | 102 | 0.41 | 88 |
IV.ASSB.HHZ. | 2021-08-19T02:01:06.15 | 0.3 | undecidable | manual | P | 292 | 33.5442 | 103 | 0.09 | 95 |
IV.GAVE.HNZ. | 2021-08-19T02:01:05.30 | 0.3 | undecidable | manual | P | 205 | 29.1486 | 105 | 0.1 | 95 |
IV.GUMA.HHZ. | 2021-08-19T02:01:05.11 | 0.3 | undecidable | manual | P | 58 | 27.8499 | 105 | 0.16 | 94 |
IV.FDMO.HHZ. | 2021-08-19T02:01:04.22 | 0.6 | undecidable | manual | S | 17 | 12.2766 | 122 | 0.05 | 66 |
IV.MC2.EHZ. | 2021-08-19T02:01:04.50 | 0.6 | undecidable | manual | S | 100 | 12.0768 | 122 | 0.38 | 62 |
IV.NRCA.HHZ. | 2021-08-19T02:01:04.24 | 0.6 | undecidable | manual | S | 152 | 12.2766 | 122 | 0.06 | 66 |
IV.CESI.HHZ. | 2021-08-19T02:01:04.85 | 0.6 | undecidable | manual | S | 306 | 13.875 | 119 | 0.19 | 64 |
IV.CSP1.EHZ. | 2021-08-19T02:01:03.76 | 0.3 | undecidable | manual | P | 36 | 22.1556 | 109 | -0.1 | 96 |
IV.MML1.EHZ. | 2021-08-19T02:01:03.85 | 0.3 | undecidable | manual | P | 344 | 21.0678 | 110 | 0.2 | 95 |
IV.MMO1.EHZ. | 2021-08-19T02:01:03.92 | 0.3 | undecidable | manual | P | 99 | 23.3544 | 108 | -0.17 | 95 |
IV.CESI.HHZ. | 2021-08-19T02:01:02.68 | 0.3 | undecidable | manual | P | 306 | 13.875 | 119 | 0.34 | 93 |
IV.FDMO.HHZ. | 2021-08-19T02:01:02.02 | 0.3 | undecidable | manual | P | 17 | 12.2766 | 122 | -0.04 | 99 |
IT.MTCL.HGZ. | 2021-08-19T02:01:02.87 | 0.3 | undecidable | manual | S | 333 | 7.7811 | 134 | -0.08 | 99 |
IV.MC2.EHZ. | 2021-08-19T02:01:02.06 | 0.3 | undecidable | manual | P | 100 | 12.0768 | 122 | 0.04 | 99 |
IV.NRCA.HHZ. | 2021-08-19T02:01:02.08 | 0.3 | undecidable | manual | P | 152 | 12.2766 | 122 | 0.02 | 100 |
IV.FEMA.HNZ. | 2021-08-19T02:01:01.62 | 0.3 | undecidable | manual | S | 9 | 3.4965 | 155 | -0.45 | 92 |
IT.MTCL.HGZ. | 2021-08-19T02:01:01.31 | 0.3 | undecidable | manual | P | 333 | 7.7811 | 134 | -0.04 | 100 |
IV.FEMA.HNZ. | 2021-08-19T02:01:00.51 | 0.3 | undecidable | manual | P | 9 | 3.4965 | 155 | -0.34 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.00048550000000000004 | 0.16 | AML | other | m | 2021-08-19T02:01:04.55 |
IV.NRCA.HHE. | ML:1.5 | 0.000399 | 0.18 | AML | other | m | 2021-08-19T02:01:04.79 |
IV.FDMO.HHE. | ML:0.9 | 0.00009666913500000001 | 0.2416 | AML | other | m | 2021-08-19T02:01:05.68 |
IV.FDMO.HHN. | ML:0.9 | 0.00010525000000000001 | 0.88 | AML | other | m | 2021-08-19T02:01:05.26 |
IV.CESI.HHN. | ML:0.9 | 0.000086820695 | 0.3392 | AML | other | m | 2021-08-19T02:01:08.05 |
IV.CESI.HHE. | ML:0.8 | 0.0000751 | 1.66 | AML | other | m | 2021-08-19T02:01:09.98 |
IV.GUMA.HHN. | ML:1.7 | 0.00027100000000000003 | 0.18 | AML | other | m | 2021-08-19T02:01:10.10 |
IV.GUMA.HHE. | ML:1.4 | 0.00014736344000000002 | 0.2608 | AML | other | m | 2021-08-19T02:01:11.15 |
IV.ASSB.HHN. | ML:0.0 | 0.000043971495 | 0.2 | AML | other | m | 2021-08-19T02:01:11.27 |
IV.ASSB.HHE. | ML:0.0 | 0.000042085289999999994 | 0.28 | AML | other | m | 2021-08-19T02:01:12.18 |
IV.TERO.HHN. | ML:1.3 | 0.00004576131 | 0.16 | AML | other | m | 2021-08-19T02:01:17.64 |
IV.NRCA.HNE. | ML:1.5 | 0.0003871617 | 0.1696 | AML | other | m | 2021-08-19T02:01:04.71 |
IV.NRCA.HNN. | ML:1.5 | 0.0004225465 | 0.1488 | AML | other | m | 2021-08-19T02:01:04.48 |
IV.CSP1.EHE. | ML:1.1 | 0.00008017213000000001 | 0.3392 | AML | other | m | 2021-08-19T02:01:10.61 |
IV.CSP1.EHN. | ML:1.2 | 0.000110253735 | 0.4608 | AML | other | m | 2021-08-19T02:01:11.16 |
IV.GUMA.HNE. | ML:1.6 | 0.0001988595 | 0.1904 | AML | other | m | 2021-08-19T02:01:10.11 |
IV.GUMA.HNN. | ML:1.6 | 0.00020223315 | 0.2096 | AML | other | m | 2021-08-19T02:01:10.09 |
IV.TERO.HNE. | ML:1.7 | 0.000111521555 | 0.7296 | AML | other | m | 2021-08-19T02:01:17.39 |