A magnitude ML 0.9 earthquake occured in region: 4 km NW Preci (PG), on
and geographic coordinates (lat, lon) 42.9020, 13.0000 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 |
Sellano | PG | 6 | 1079 | 1803 |
Visso | MC | 8 | 1107 | 2910 |
Monte Cavallo | MC | 10 | 145 | 3055 |
Cerreto di Spoleto | PG | 11 | 1075 | 4130 |
Ussita | MC | 12 | 444 | 4574 |
Castelsantangelo sul Nera | MC | 13 | 281 | 4855 |
Norcia | PG | 14 | 4957 | 9812 |
Pieve Torina | MC | 17 | 1458 | 11270 |
Fiordimonte | MC | 17 | 202 | 11472 |
Vallo di Nera | PG | 18 | 364 | 11836 |
Pievebovigliana | MC | 19 | 866 | 12702 |
Serravalle di Chienti | MC | 19 | 1070 | 13772 |
Fiastra | MC | 20 | 559 | 14331 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-10-31 02:43:14 |
42.9018 | 13.0002 | 11 | 2021-10-31 02:48:39 |
Sala Sismica INGV-Roma | 97102781 |
Field | Value |
---|---|
Time (UTC) | 2021-10-31 02:43:14 ± 0.05 |
Latitude | 42.9018 ± 0.0027 |
Longitude | 13.0002 ± 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 | 97102781 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 327 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 52 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 53 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 24 |
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) | 0.07015 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33005 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97102781 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-31 02:48:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-10-31T02:43:25.48 | 0.3 | undecidable | manual | S | 300 | 31.8459 | 50 | -0.08 | 72 |
IV.CSP1.EHZ. | 2021-10-31T02:43:24.42 | 0.3 | undecidable | manual | S | 38 | 26.8509 | 50 | 0.19 | 71 |
IV.MMO1.EHZ. | 2021-10-31T02:43:24.04 | 0.3 | undecidable | manual | S | 90 | 26.5512 | 50 | -0.11 | 72 |
IV.GAVE.EHE. | 2021-10-31T02:43:23.49 | 0.3 | undecidable | manual | S | 200 | 24.753 | 50 | -0.2 | 71 |
IV.MML1.EHZ. | 2021-10-31T02:43:23.08 | 0.3 | undecidable | manual | S | 354 | 23.5542 | 50 | -0.28 | 70 |
IV.MOMA.HNE. | 2021-10-31T02:43:22.13 | 0.6 | undecidable | manual | P | 253 | 36.6411 | 50 | 0.47 | 44 |
IV.MC2.EHZ. | 2021-10-31T02:43:21.34 | 0.3 | undecidable | manual | S | 86 | 15.3735 | 125 | 0.22 | 72 |
IV.LNSS.HNZ. | 2021-10-31T02:43:21.25 | 0.6 | undecidable | manual | P | 174 | 33.3444 | 50 | 0.1 | 48 |
IV.FDMO.HHZ. | 2021-10-31T02:43:21.31 | 0.3 | undecidable | manual | S | 25 | 16.5723 | 123 | -0.14 | 73 |
IV.CESI.HHZ. | 2021-10-31T02:43:20.64 | 0.1 | undecidable | manual | S | 326 | 13.7751 | 128 | -0.05 | 99 |
IV.CSP1.EHZ. | 2021-10-31T02:43:20.11 | 0.3 | undecidable | manual | P | 38 | 26.8509 | 50 | -0.04 | 73 |
IV.MMO1.EHZ. | 2021-10-31T02:43:20.04 | 0.6 | positive | manual | P | 90 | 26.5512 | 50 | -0.06 | 49 |
IV.ASSB.HHZ. | 2021-10-31T02:43:20.84 | 0.3 | undecidable | manual | P | 300 | 31.8459 | 50 | -0.08 | 72 |
IV.GAVE.EHE. | 2021-10-31T02:43:20.00 | 0.3 | undecidable | manual | P | 200 | 24.753 | 50 | 0.16 | 72 |
IT.MTCL.HGZ. | 2021-10-31T02:43:19.52 | 0.1 | undecidable | manual | S | 360 | 10.1787 | 137 | -0.25 | 96 |
IV.MML1.EHZ. | 2021-10-31T02:43:19.87 | 1.0 | negative | manual | P | 354 | 23.5542 | 50 | 0.22 | 24 |
IV.NRCA.HHZ. | 2021-10-31T02:43:19.87 | 0.1 | undecidable | manual | S | 129 | 11.9769 | 132 | -0.33 | 94 |
IV.FEMA.HNZ. | 2021-10-31T02:43:19.36 | 0.1 | undecidable | manual | S | 31 | 7.7811 | 144 | 0.12 | 99 |
IV.CESI.HHZ. | 2021-10-31T02:43:18.25 | 0.3 | undecidable | manual | P | 326 | 13.7751 | 128 | 0.14 | 73 |
IV.MC2.EHZ. | 2021-10-31T02:43:18.43 | 0.1 | undecidable | manual | P | 86 | 15.3735 | 125 | 0.07 | 99 |
IV.FDMO.HHZ. | 2021-10-31T02:43:18.60 | 0.6 | negative | manual | P | 25 | 16.5723 | 123 | 0.05 | 49 |
IV.NRCA.HHZ. | 2021-10-31T02:43:17.80 | 0.3 | negative | manual | P | 129 | 11.9769 | 132 | -0.03 | 75 |
IV.FEMA.HNZ. | 2021-10-31T02:43:17.48 | 0.1 | undecidable | manual | P | 31 | 7.7811 | 144 | 0.21 | 97 |
IT.MTCL.HGZ. | 2021-10-31T02:43:17.63 | 0.1 | undecidable | manual | P | 360 | 10.1787 | 137 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.0001315 | 1.86 | AML | other | m | 2021-10-31T02:43:20.06 |
IV.NRCA.HHE. | ML:0.9 | 0.0000799 | 0.76 | AML | other | m | 2021-10-31T02:43:20.31 |
IV.CESI.HHN. | ML:0.8 | 0.00007235 | 1.76 | AML | other | m | 2021-10-31T02:43:20.88 |
IV.CESI.HHE. | ML:0.7 | 0.000042550000000000004 | 1.68 | AML | other | m | 2021-10-31T02:43:20.89 |
IV.FDMO.HHN. | ML:1.0 | 0.00009384999999999999 | 0.36 | AML | other | m | 2021-10-31T02:43:21.55 |
IV.FDMO.HHE. | ML:1.0 | 0.0000846 | 0.12 | AML | other | m | 2021-10-31T02:43:21.52 |