A magnitude ML 0.9 earthquake occured in region: 3 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8200, 13.1050 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 |
---|---|---|---|---|
Norcia | PG | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 13 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Cerreto di Spoleto | PG | 15 | 1075 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Accumoli | RI | 18 | 667 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-01-30 20:25:06 |
42.8198 | 13.1047 | 11 | 2021-01-30 20:35:58 |
Sala Sismica INGV-Roma | 86726081 |
Field | Value |
---|---|
Time (UTC) | 2021-01-30 20:25:06 ± 0.08 |
Latitude | 42.8198 ± 0.0036 |
Longitude | 13.1047 ± 0.0086 |
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 | 86726081 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 690 |
Semi-minor axis of confidence ellipse (meter) | 356 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 265 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 144 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25361 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86726081 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-30 20:35:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.VLO.HHZ. | 2021-01-30T20:26:33.30 | 3.0 | positive | manual | Pg | 14.65 | 0 | |||
IV.MCRV.HHZ. | 2021-01-30T20:26:19.20 | 3.0 | undecidable | manual | Sn | 3.36 | 0 | |||
CH.PLONS.HHZ. | 2021-01-30T20:26:09.05 | 3.0 | undecidable | manual | Pn | -0.34 | 0 | |||
ST.ZIAN.EHZ. | 2021-01-30T20:26:04.29 | 3.0 | undecidable | manual | Pg | 14.48 | 0 | |||
IV.MAGO.CHZ. | 2021-01-30T20:25:55.72 | 3.0 | undecidable | manual | Sg | 1.76 | 0 | |||
IX.SFL3.HNZ.01 | 2021-01-30T20:25:50.07 | 3.0 | positive | manual | Pn | 4.99 | 0 | |||
IV.RNI2.HHZ. | 2021-01-30T20:25:44.52 | 3.0 | undecidable | manual | Sn | -2.79 | 0 | |||
IV.BRSN.EHZ. | 2021-01-30T20:25:37.74 | 3.0 | undecidable | manual | Sn | -3.48 | 0 | |||
IT.FIE.HGZ. | 2021-01-30T20:25:32.60 | 3.0 | negative | manual | Pg | 6.82 | 0 | |||
IV.RNI2.HHZ. | 2021-01-30T20:25:26.90 | 3.0 | undecidable | manual | Pn | 0.07 | 0 | |||
IV.RIBO.EHZ.01 | 2021-01-30T20:25:24.56 | 3.0 | undecidable | manual | Pn | -2.41 | 0 | |||
IV.OFFI.HHZ. | 2021-01-30T20:25:22.87 | 3.0 | undecidable | manual | Sn | 5.06 | 0 | |||
IV.SMA1.EHZ. | 2021-01-30T20:25:16.16 | 0.3 | undecidable | manual | S | 138 | 28.1496 | 91 | -0.07 | 72 |
IV.LNSS.HNZ. | 2021-01-30T20:25:15.22 | 0.6 | undecidable | manual | S | 192 | 24.6531 | 91 | -0.06 | 48 |
IV.T1299.EHE. | 2021-01-30T20:25:15.70 | 0.6 | undecidable | manual | S | 145 | 25.1526 | 91 | 0.28 | 46 |
IV.CRTC.HHZ. | 2021-01-30T20:25:14.56 | 3.0 | undecidable | manual | P | 1.35 | 0 | |||
IV.FDMO.HHZ. | 2021-01-30T20:25:14.85 | 0.3 | undecidable | manual | S | 357 | 24.0537 | 91 | -0.27 | 69 |
IV.MMO1.EHZ. | 2021-01-30T20:25:13.75 | 0.6 | undecidable | manual | S | 64 | 20.0688 | 92 | -0.31 | 46 |
IV.GAVE.EHZ. | 2021-01-30T20:25:13.14 | 3.0 | undecidable | manual | P | 0.72 | 0 | |||
IV.CSP1.EHZ. | 2021-01-30T20:25:12.64 | 3.0 | undecidable | manual | Sn | -0.08 | 0 | |||
IV.MC2.EHZ. | 2021-01-30T20:25:12.30 | 0.3 | undecidable | manual | S | 34 | 12.2766 | 109 | 0.31 | 69 |
IV.FDMO.HHZ. | 2021-01-30T20:25:11.58 | 0.1 | undecidable | manual | P | 357 | 24.0537 | 91 | 0.21 | 93 |
IV.T1299.EHE. | 2021-01-30T20:25:11.59 | 0.3 | undecidable | manual | P | 145 | 25.1526 | 91 | 0.05 | 72 |
IV.LNSS.HNZ. | 2021-01-30T20:25:11.40 | 0.3 | undecidable | manual | P | 192 | 24.6531 | 91 | -0.06 | 72 |
IV.SMA1.EHZ. | 2021-01-30T20:25:11.81 | 0.3 | undecidable | manual | P | 138 | 28.1496 | 91 | -0.19 | 70 |
IV.MMO1.EHZ. | 2021-01-30T20:25:10.63 | 0.1 | undecidable | manual | P | 64 | 20.0688 | 92 | -0.13 | 96 |
IT.MTCL.HGZ. | 2021-01-30T20:25:10.95 | 0.3 | undecidable | manual | P | 336 | 21.0678 | 92 | 0.04 | 73 |
IV.MC2.EHZ. | 2021-01-30T20:25:09.76 | 0.6 | positive | manual | P | 34 | 12.2766 | 109 | 0.2 | 47 |
IV.NRCA.HHZ. | 2021-01-30T20:25:09.76 | 0.6 | undecidable | manual | S | 27 | 1.6983 | 169 | -0.43 | 48 |
IV.NRCA.HHZ. | 2021-01-30T20:25:08.51 | 0.1 | undecidable | manual | P | 27 | 1.6983 | 169 | -0.01 | 100 |
IV.CESI.HHZ. | 2021-01-30T20:25:08.58 | 3.0 | undecidable | manual | P | -0.71 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.000242 | 0.16 | AML | other | m | 2021-01-30T20:25:09.87 |
IV.NRCA.HHE. | ML:1.4 | 0.000407 | 0.18 | AML | other | m | 2021-01-30T20:25:09.96 |
IV.NRCA.HNE. | ML:1.4 | 0.0003991456 | 0.1792 | AML | other | m | 2021-01-30T20:25:09.96 |
IV.NRCA.HNN. | ML:1.1 | 0.00020231125 | 0.1536 | AML | other | m | 2021-01-30T20:25:09.87 |
IV.FDMO.HHE. | ML:0.2 | 0.000010141198 | 0.1152 | AML | other | m | 2021-01-30T20:25:15.35 |
IV.FDMO.HHN. | ML:0.5 | 0.00001913413 | 1.1392 | AML | other | m | 2021-01-30T20:25:15.86 |
IV.SMA1.EHE. | ML:0.6 | 0.000021849595500000003 | 0.4096 | AML | other | m | 2021-01-30T20:25:18.53 |
IV.SMA1.EHN. | ML:0.6 | 0.00002221407 | 0.832 | AML | other | m | 2021-01-30T20:25:16.44 |