A magnitude ML 0.8 earthquake occured in region: 5 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8910, 12.9850 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 | 5 | 724 | 724 |
Sellano | PG | 5 | 1079 | 1803 |
Visso | MC | 10 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Monte Cavallo | MC | 12 | 145 | 4130 |
Castelsantangelo sul Nera | MC | 14 | 281 | 4411 |
Ussita | MC | 14 | 444 | 4855 |
Norcia | PG | 14 | 4957 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Pieve Torina | MC | 18 | 1458 | 11634 |
Fiordimonte | MC | 18 | 202 | 11836 |
Campello sul Clitunno | PG | 19 | 2442 | 14278 |
Cascia | PG | 19 | 3217 | 17495 |
Trevi | PG | 19 | 8469 | 25964 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-09-13 00:04:48 |
42.891 | 12.9853 | 11 | 2021-09-13 00:12:02 |
Sala Sismica INGV-Roma | 95363001 |
Field | Value |
---|---|
Time (UTC) | 2021-09-13 00:04:48 ± 0.09 |
Latitude | 42.8910 ± 0.0054 |
Longitude | 12.9853 ± 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 | 95363001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 618 |
Semi-minor axis of confidence ellipse (meter) | 269 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 29 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 181 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 14 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 95363001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-13 00:12:02 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTGR.HHZ. | 2021-09-13T00:06:39.96 | 3.0 | undecidable | manual | Sn | -0.51 | 0 | |||
IV.EUCT.HNZ. | 2021-09-13T00:06:23.14 | 3.0 | undecidable | manual | Sn | 0.3 | 0 | |||
IX.PGN3.HHZ.02 | 2021-09-13T00:06:01.65 | 3.0 | undecidable | manual | Sn | 3.26 | 0 | |||
IV.MTGR.HHZ. | 2021-09-13T00:05:59.78 | 3.0 | undecidable | manual | Pg | 11.48 | 0 | |||
IV.MILN.HNZ. | 2021-09-13T00:05:49.47 | 3.0 | undecidable | manual | Pg | 9.04 | 0 | |||
IV.AGLI.HHZ. | 2021-09-13T00:05:27.43 | 3.0 | undecidable | manual | Pn | -0.86 | 0 | |||
IV.BRSN.EHZ. | 2021-09-13T00:05:17.06 | 3.0 | undecidable | manual | Pg | 5.63 | 0 | |||
IV.MELA.HHZ. | 2021-09-13T00:05:09.90 | 3.0 | undecidable | manual | Pn | -0.09 | 0 | |||
IV.VCEL.EHZ. | 2021-09-13T00:05:03.28 | 3.0 | undecidable | manual | Sn | -1.67 | 0 | |||
IV.PP3.EHZ. | 2021-09-13T00:05:00.69 | 3.0 | undecidable | manual | Pg | 1.41 | 0 | |||
IV.ASSB.HHZ. | 2021-09-13T00:04:59.00 | 0.3 | undecidable | manual | S | 302 | 31.4463 | 50 | 0.01 | 72 |
IV.SACS.HHZ. | 2021-09-13T00:04:58.07 | 3.0 | undecidable | manual | Pg | 1.01 | 0 | |||
IV.MMO1.EHZ. | 2021-09-13T00:04:58.11 | 0.6 | undecidable | manual | S | 88 | 27.75 | 50 | 0.09 | 48 |
IV.CSP1.EHZ. | 2021-09-13T00:04:58.23 | 0.6 | undecidable | manual | S | 39 | 28.5492 | 50 | 0.01 | 48 |
IV.MC2.EHZ. | 2021-09-13T00:04:55.49 | 0.3 | undecidable | manual | S | 82 | 16.6722 | 50 | 0.43 | 68 |
IV.FDMO.HHZ. | 2021-09-13T00:04:55.16 | 0.3 | undecidable | manual | S | 27 | 18.1707 | 50 | -0.28 | 70 |
IV.RMP.HHZ. | 2021-09-13T00:04:55.50 | 3.0 | negative | manual | P | 0.42 | 0 | |||
IV.ASSB.HHZ. | 2021-09-13T00:04:54.35 | 0.6 | undecidable | manual | P | 302 | 31.4463 | 50 | -0.05 | 48 |
IV.CESI.HHZ. | 2021-09-13T00:04:54.45 | 0.6 | undecidable | manual | S | 333 | 14.2746 | 128 | 0.06 | 49 |
IV.MMO1.EHZ. | 2021-09-13T00:04:53.73 | 0.1 | undecidable | manual | P | 88 | 27.75 | 50 | -0.11 | 95 |
IV.CSP1.EHZ. | 2021-09-13T00:04:53.96 | 1.0 | negative | manual | P | 39 | 28.5492 | 50 | 0 | 24 |
IV.NRCA.HHZ. | 2021-09-13T00:04:53.51 | 0.6 | undecidable | manual | S | 121 | 12.2766 | 132 | -0.35 | 47 |
IV.MC2.EHZ. | 2021-09-13T00:04:52.21 | 0.1 | undecidable | manual | P | 82 | 16.6722 | 50 | 0.07 | 98 |
IV.FDMO.HHZ. | 2021-09-13T00:04:52.38 | 0.6 | positive | manual | P | 27 | 18.1707 | 50 | 0.02 | 49 |
IV.NRCA.HHZ. | 2021-09-13T00:04:51.42 | 0.1 | positive | manual | P | 121 | 12.2766 | 132 | -0.03 | 100 |
IV.CESI.HHZ. | 2021-09-13T00:04:51.89 | 0.1 | negative | manual | P | 333 | 14.2746 | 128 | 0.14 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.00007085 | 0.12 | AML | other | m | 2021-09-13T00:04:53.79 |
IV.NRCA.HHE. | ML:0.9 | 0.0000831 | 0.1 | AML | other | m | 2021-09-13T00:04:53.82 |
IV.CESI.HHE. | ML:0.7 | 0.0000519 | 0.16 | AML | other | m | 2021-09-13T00:04:54.71 |
IV.CESI.HHN. | ML:0.8 | 0.00006245 | 0.1 | AML | other | m | 2021-09-13T00:04:54.65 |
IV.FDMO.HHN. | ML:0.9 | 0.0000614 | 0.16 | AML | other | m | 2021-09-13T00:04:55.45 |
IV.FDMO.HHE. | ML:0.8 | 0.00005175 | 0.34 | AML | other | m | 2021-09-13T00:04:55.65 |