A magnitude ML 0.9 earthquake occured in region: 2 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8640, 13.0300 at 10 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 | 2 | 724 | 724 |
Sellano | PG | 9 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Norcia | PG | 9 | 4957 | 7867 |
Cerreto di Spoleto | PG | 10 | 1075 | 8942 |
Castelsantangelo sul Nera | MC | 11 | 281 | 9223 |
Ussita | MC | 13 | 444 | 9667 |
Monte Cavallo | MC | 15 | 145 | 9812 |
Cascia | PG | 16 | 3217 | 13029 |
Vallo di Nera | PG | 17 | 364 | 13393 |
Poggiodomo | PG | 19 | 117 | 13510 |
Fiordimonte | MC | 20 | 202 | 13712 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-08-13 03:21:26 |
42.864 | 13.0298 | 11 | 2021-08-13 03:27:12 |
Sala Sismica INGV-Roma | 94052831 |
Field | Value |
---|---|
Time (UTC) | 2021-08-13 03:21:26 ± 0.06 |
Latitude | 42.8640 ± 0.0036 |
Longitude | 13.0298 ± 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 | 94052831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 409 |
Semi-minor axis of confidence ellipse (meter) | 303 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 53 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 410.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.06925 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32466 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 94052831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-13 03:27:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-08-13T03:21:38.47 | 0.6 | undecidable | manual | S | 303 | 36.0417 | 50 | -0.12 | 48 |
IV.MML1.HNZ. | 2021-08-13T03:21:36.50 | 0.6 | undecidable | manual | S | 350 | 28.0497 | 50 | 0.04 | 49 |
IV.CSP1.EHZ. | 2021-08-13T03:21:36.67 | 0.3 | undecidable | manual | S | 29 | 28.9488 | 50 | -0.04 | 74 |
IV.LNSS.HHZ. | 2021-08-13T03:21:36.59 | 0.6 | undecidable | manual | S | 178 | 28.9488 | 50 | -0.11 | 49 |
IV.MMO1.EHZ. | 2021-08-13T03:21:35.09 | 0.6 | undecidable | manual | S | 81 | 24.4533 | 50 | -0.41 | 46 |
IV.CESI.HHZ. | 2021-08-13T03:21:33.66 | 0.3 | undecidable | manual | S | 327 | 18.6702 | 119 | -0.15 | 74 |
IV.FDMO.HHZ. | 2021-08-13T03:21:33.92 | 0.3 | undecidable | manual | S | 14 | 19.6692 | 118 | -0.21 | 73 |
IV.ASSB.HHZ. | 2021-08-13T03:21:33.45 | 0.6 | undecidable | manual | P | 303 | 36.0417 | 50 | 0.02 | 49 |
IV.LNSS.HHZ. | 2021-08-13T03:21:32.41 | 0.6 | undecidable | manual | P | 178 | 28.9488 | 50 | 0.07 | 49 |
IV.MC2.EHZ. | 2021-08-13T03:21:32.59 | 0.3 | undecidable | manual | S | 68 | 13.9749 | 127 | 0.14 | 74 |
IV.MML1.HNZ. | 2021-08-13T03:21:32.46 | 0.6 | undecidable | manual | P | 350 | 28.0497 | 50 | 0.26 | 47 |
IV.CSP1.EHZ. | 2021-08-13T03:21:32.62 | 0.3 | undecidable | manual | P | 29 | 28.9488 | 50 | 0.28 | 70 |
IV.MMO1.EHZ. | 2021-08-13T03:21:31.57 | 0.6 | undecidable | manual | P | 81 | 24.4533 | 50 | -0.07 | 49 |
IV.NRCA.HHZ. | 2021-08-13T03:21:30.71 | 0.3 | undecidable | manual | S | 116 | 7.6812 | 144 | -0.19 | 74 |
IV.FDMO.HHZ. | 2021-08-13T03:21:30.83 | 0.6 | positive | manual | P | 14 | 19.6692 | 118 | -0.03 | 50 |
IV.MC2.EHZ. | 2021-08-13T03:21:30.27 | 0.6 | undecidable | manual | P | 68 | 13.9749 | 127 | 0.38 | 47 |
IV.CESI.HHZ. | 2021-08-13T03:21:30.73 | 0.1 | positive | manual | P | 327 | 18.6702 | 119 | 0.06 | 100 |
IV.NRCA.HHZ. | 2021-08-13T03:21:29.09 | 0.6 | undecidable | manual | P | 116 | 7.6812 | 144 | 0.1 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.0001869962 | 0.0608 | AML | other | m | 2021-08-13T03:21:30.96 |
IV.NRCA.HHN. | ML:0.8 | 0.0001015 | 0.82 | AML | other | m | 2021-08-13T03:21:31.54 |
IV.CESI.HHN. | ML:0.4 | 0.000021150019999999997 | 0.1792 | AML | other | m | 2021-08-13T03:21:33.88 |
IV.CESI.HHE. | ML:0.5 | 0.0000263 | 1.28 | AML | other | m | 2021-08-13T03:21:33.16 |
IV.NRCA.HNE. | ML:1.1 | 0.00017349139999999998 | 0.08 | AML | other | m | 2021-08-13T03:21:30.95 |
IV.NRCA.HNN. | ML:1.0 | 0.00013117535 | 0.9504 | AML | other | m | 2021-08-13T03:21:29.21 |
IV.CESI.HNE. | ML:1.2 | 0.00013304895 | 0.8896 | AML | other | m | 2021-08-13T03:21:32.91 |
IV.CESI.HNN. | ML:1.1 | 0.0000964315 | 0.6704 | AML | other | m | 2021-08-13T03:21:32.19 |
IV.CSP1.EHE. | ML:0.5 | 0.000013828415 | 0.3408 | AML | other | m | 2021-08-13T03:21:39.77 |
IV.CSP1.EHN. | ML:0.6 | 0.000017606694999999998 | 0.48 | AML | other | m | 2021-08-13T03:21:47.19 |