A magnitude ML 1.2 earthquake occured in region: 1 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8740, 13.0300 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 | 1 | 724 | 724 |
Visso | MC | 8 | 1107 | 1831 |
Sellano | PG | 9 | 1079 | 2910 |
Castelsantangelo sul Nera | MC | 10 | 281 | 3191 |
Norcia | PG | 10 | 4957 | 8148 |
Cerreto di Spoleto | PG | 11 | 1075 | 9223 |
Ussita | MC | 12 | 444 | 9667 |
Monte Cavallo | MC | 14 | 145 | 9812 |
Cascia | PG | 17 | 3217 | 13029 |
Vallo di Nera | PG | 18 | 364 | 13393 |
Fiordimonte | MC | 19 | 202 | 13595 |
Pieve Torina | MC | 19 | 1458 | 15053 |
Poggiodomo | PG | 20 | 117 | 15170 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-08-26 05:10:18 |
42.874 | 13.0305 | 11 | 2021-08-26 05:16:11 |
Sala Sismica INGV-Roma | 94648021 |
Field | Value |
---|---|
Time (UTC) | 2021-08-26 05:10:18 ± 0.03 |
Latitude | 42.8740 ± 0.0018 |
Longitude | 13.0305 ± 0.0037 |
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 | 94648021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 282 |
Semi-minor axis of confidence ellipse (meter) | 187 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
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) | 116 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38941 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 94648021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-26 05:16:11 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.EHZ. | 2021-08-26T05:10:26.51 | 1.0 | negative | manual | P | 160 | 43.2234 | 50 | 0.04 | 24 |
IV.GAVE.EHZ. | 2021-08-26T05:10:26.89 | 0.6 | undecidable | manual | S | 209 | 23.0547 | 50 | -0.16 | 49 |
IV.FDMO.HHZ. | 2021-08-26T05:10:25.65 | 0.6 | undecidable | manual | S | 14 | 18.5703 | 120 | -0.11 | 49 |
IV.CESI.HHZ. | 2021-08-26T05:10:25.38 | 0.6 | undecidable | manual | S | 325 | 17.7711 | 121 | -0.12 | 49 |
IV.SMA1.EHZ. | 2021-08-26T05:10:25.59 | 1.0 | negative | manual | P | 137 | 36.6411 | 50 | 0.12 | 24 |
IV.ASSB.HHZ. | 2021-08-26T05:10:25.18 | 3.0 | negative | manual | P | -0.22 | 0 | |||
IV.CSP1.EHZ. | 2021-08-26T05:10:24.12 | 0.1 | positive | manual | P | 30 | 28.0497 | 50 | -0.01 | 99 |
IV.MC2.EHZ. | 2021-08-26T05:10:23.72 | 0.6 | undecidable | manual | S | -0.53 | 0.81 | |||
IV.GAVE.EHZ. | 2021-08-26T05:10:23.40 | 0.1 | positive | manual | P | 209 | 23.0547 | 50 | 0.04 | 99 |
IV.MMO1.EHZ. | 2021-08-26T05:10:23.52 | 0.3 | negative | manual | P | 83 | 24.2535 | 50 | -0.03 | 75 |
IV.MML1.EHZ. | 2021-08-26T05:10:23.96 | 1.0 | negative | manual | P | 350 | 26.9508 | 50 | -0.02 | 25 |
IV.NRCA.HNZ. | 2021-08-26T05:10:22.81 | 0.6 | undecidable | manual | S | 123 | 8.1807 | 142 | -0.15 | 50 |
IV.FDMO.HHZ. | 2021-08-26T05:10:22.67 | 0.1 | undecidable | manual | P | 14 | 18.5703 | 120 | 0.05 | 100 |
IV.CESI.HHZ. | 2021-08-26T05:10:22.57 | 0.1 | negative | manual | P | 325 | 17.7711 | 121 | 0.1 | 99 |
IV.NRCA.HNZ. | 2021-08-26T05:10:21.12 | 0.3 | negative | manual | P | 123 | 8.1807 | 142 | 0.11 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.7 | 0.000752 | 1.68 | AML | other | m | 2021-08-26T05:10:22.01 |
IV.NRCA.HNN. | ML:1.7 | 0.0007170000000000001 | 1.86 | AML | other | m | 2021-08-26T05:10:23.06 |
IV.NRCA.HHN. | ML:1.7 | 0.000754 | 1.84 | AML | other | m | 2021-08-26T05:10:23.06 |
IV.NRCA.HHE. | ML:1.8 | 0.000843 | 0.1 | AML | other | m | 2021-08-26T05:10:23.01 |
IV.CESI.HHN. | ML:1.3 | 0.00016849999999999998 | 0.3 | AML | other | m | 2021-08-26T05:10:25.84 |
IV.CESI.HHE. | ML:1.2 | 0.000129 | 0.34 | AML | other | m | 2021-08-26T05:10:25.84 |
IV.GAVE.EHE. | ML:1.2 | 0.0000953 | 0.12 | AML | other | m | 2021-08-26T05:10:27.21 |
IV.GAVE.EHN. | ML:1.2 | 0.00010970000000000001 | 0.14 | AML | other | m | 2021-08-26T05:10:27.40 |
IV.MML1.EHN. | ML:1.1 | 0.0000668 | 0.16 | AML | other | m | 2021-08-26T05:10:28.36 |
IV.MML1.EHE. | ML:1.1 | 0.0000659 | 0.76 | AML | other | m | 2021-08-26T05:10:29.64 |
IV.ASSB.HHE. | ML:1.0 | 0.00003465 | 0.48 | AML | other | m | 2021-08-26T05:10:31.47 |
IV.ASSB.HHN. | ML:1.0 | 0.000033799999999999995 | 0.66 | AML | other | m | 2021-08-26T05:10:32.67 |
IV.SMA1.EHN. | ML:0.9 | 0.000030550000000000004 | 0.52 | AML | other | m | 2021-08-26T05:10:32.80 |
IV.SMA1.EHE. | ML:1.1 | 0.0000435 | 0.3 | AML | other | m | 2021-08-26T05:10:33.38 |
IV.RM33.EHE. | ML:1.0 | 0.00002765 | 0.62 | AML | other | m | 2021-08-26T05:10:34.33 |
IV.RM33.EHN. | ML:0.9 | 0.000024750000000000002 | 0.42 | AML | other | m | 2021-08-26T05:10:34.66 |