A magnitude ML 1.0 earthquake occured in region: 4 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8460, 13.0570 at 11 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Norcia | PG | 7 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Sellano | PG | 12 | 1079 | 8148 |
Cerreto di Spoleto | PG | 12 | 1075 | 9223 |
Ussita | MC | 13 | 444 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 17 | 145 | 13029 |
Poggiodomo | PG | 18 | 117 | 13146 |
Vallo di Nera | PG | 18 | 364 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-08-13 03:21:21 |
42.8457 | 13.0573 | 11 | 2020-08-13 03:50:59 |
Sala Sismica INGV-Roma | 81928781 |
Field | Value |
---|---|
Time (UTC) | 2020-08-13 03:21:21 ± 0.04 |
Latitude | 42.8457 ± 0.0027 |
Longitude | 13.0573 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 81928781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 390 |
Semi-minor axis of confidence ellipse (meter) | 274 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 92 |
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) | 85 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35523 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 81928781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-13 03:50:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PARC.HHZ. | 2020-08-13T03:21:51.98 | 3.0 | undecidable | manual | S | -4.38 | 0 | |||
IV.MCIV.CHZ. | 2020-08-13T03:21:42.03 | 3.0 | undecidable | manual | P | 0.65 | 0 | |||
IV.ATCC.EHZ. | 2020-08-13T03:21:30.97 | 3.0 | undecidable | manual | P | -0.16 | 0 | |||
IV.CESI.HHZ. | 2020-08-13T03:21:29.74 | 0.3 | undecidable | manual | S | 325 | 21.5673 | 50 | 0.09 | 73 |
IV.FDMO.HHZ. | 2020-08-13T03:21:29.44 | 0.3 | undecidable | manual | S | 7 | 21.3675 | 50 | -0.13 | 72 |
IV.GAVE.EHZ. | 2020-08-13T03:21:29.65 | 0.3 | undecidable | manual | S | 218 | 21.5673 | 50 | 0 | 74 |
IV.MOMA.HHZ. | 2020-08-13T03:21:29.82 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ASSB.HHZ. | 2020-08-13T03:21:28.85 | 0.3 | undecidable | manual | P | 304 | 39.0276 | 50 | -0.01 | 72 |
IV.MF5.EHZ. | 2020-08-13T03:21:28.78 | 0.3 | undecidable | manual | P | 64 | 36.3414 | 50 | 0.34 | 67 |
IV.RM33.EHZ. | 2020-08-13T03:21:28.82 | 0.1 | undecidable | manual | P | 161 | 39.4272 | 50 | -0.11 | 94 |
IV.ARRO.EHZ. | 2020-08-13T03:21:28.67 | 0.3 | undecidable | manual | P | 219 | 37.9287 | 50 | -0.02 | 72 |
IV.MC2.EHZ. | 2020-08-13T03:21:27.45 | 0.3 | undecidable | manual | S | 56 | 12.9759 | 131 | 0.12 | 73 |
IV.FEMA.HNZ. | 2020-08-13T03:21:27.19 | 0.3 | undecidable | manual | S | 357 | 12.9759 | 131 | -0.14 | 73 |
IV.GAVE.EHZ. | 2020-08-13T03:21:26.26 | 0.3 | undecidable | manual | P | 218 | 21.5673 | 50 | 0.09 | 73 |
IV.MMO1.EHZ. | 2020-08-13T03:21:26.17 | 0.1 | positive | manual | P | -0.09 | 1.79 | |||
IV.CESI.HHZ. | 2020-08-13T03:21:26.22 | 0.1 | undecidable | manual | P | 325 | 21.5673 | 50 | 0.05 | 98 |
IV.NRCA.HNZ. | 2020-08-13T03:21:25.41 | 0.3 | undecidable | manual | S | 106 | 4.7952 | 156 | -0.2 | 73 |
IV.FDMO.HHZ. | 2020-08-13T03:21:25.96 | 0.3 | undecidable | manual | P | 7 | 21.3675 | 50 | -0.17 | 72 |
IV.FEMA.HNZ. | 2020-08-13T03:21:24.90 | 0.3 | undecidable | manual | P | 357 | 12.9759 | 131 | 0.07 | 74 |
IV.MC2.EHZ. | 2020-08-13T03:21:24.96 | 0.1 | undecidable | manual | P | 56 | 12.9759 | 131 | 0.12 | 98 |
IV.NRCA.HNZ. | 2020-08-13T03:21:23.92 | 0.1 | undecidable | manual | P | 106 | 4.7952 | 156 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.000672 | 0.14 | AML | other | m | 2020-08-13T03:21:25.60 |
IV.NRCA.HNE. | ML:1.7 | 0.000734 | 0.08 | AML | other | m | 2020-08-13T03:21:25.56 |
IV.NRCA.HHE. | ML:1.7 | 0.000834 | 0.08 | AML | other | m | 2020-08-13T03:21:25.60 |
IV.NRCA.HNN. | ML:1.6 | 0.0006630000000000001 | 0.58 | AML | other | m | 2020-08-13T03:21:25.60 |
IV.FDMO.HHN. | ML:0.7 | 0.00003535 | 0.84 | AML | other | m | 2020-08-13T03:21:29.97 |
IV.FDMO.HHE. | ML:1.0 | 0.0000586 | 0.2 | AML | other | m | 2020-08-13T03:21:29.89 |
IV.CESI.HHE. | ML:0.6 | 0.0000324 | 1.44 | AML | other | m | 2020-08-13T03:21:30.77 |
IV.GAVE.EHE. | ML:1.4 | 0.000168 | 0.22 | AML | other | m | 2020-08-13T03:21:30.30 |
IV.GAVE.EHN. | ML:1.2 | 0.0000944 | 0.32 | AML | other | m | 2020-08-13T03:21:30.27 |
IV.CESI.HHN. | ML:0.8 | 0.0000455 | 0.66 | AML | other | m | 2020-08-13T03:21:30.35 |
IV.ASSB.HHN. | ML:0.6 | 0.00001738 | 0.36 | AML | other | m | 2020-08-13T03:21:34.86 |
IV.ASSB.HHE. | ML:0.8 | 0.000017899999999999998 | 0.14 | AML | other | m | 2020-08-13T03:21:35.71 |
IV.MOMA.HHE. | ML:0.9 | 0.0000259 | 0.18 | AML | other | m | 2020-08-13T03:21:36.63 |
IV.MOMA.HHN. | ML:0.8 | 0.0000206 | 0.94 | AML | other | m | 2020-08-13T03:21:37.78 |
IV.ATCC.EHN. | ML:1.2 | 0.000038400000000000005 | 0.56 | AML | other | m | 2020-08-13T03:21:51.51 |
IV.ATCC.EHE. | ML:1.1 | 0.0000359 | 0.42 | AML | other | m | 2020-08-13T03:21:51.54 |