A magnitude ML 0.4 earthquake occured in region: 6 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8230, 13.0300 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 6 | 4957 | 4957 |
Preci | PG | 6 | 724 | 5681 |
Cerreto di Spoleto | PG | 9 | 1075 | 6756 |
Sellano | PG | 11 | 1079 | 7835 |
Cascia | PG | 12 | 3217 | 11052 |
Castelsantangelo sul Nera | MC | 13 | 281 | 11333 |
Visso | MC | 13 | 1107 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Vallo di Nera | PG | 15 | 364 | 12921 |
Ussita | MC | 16 | 444 | 13365 |
Sant'Anatolia di Narco | PG | 19 | 564 | 13929 |
Monte Cavallo | MC | 19 | 145 | 14074 |
Monteleone di Spoleto | PG | 20 | 599 | 14673 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.4 | 2020-11-30 21:56:59 |
42.8228 | 13.0305 | 11 | 2021-02-26 14:56:10 |
Bollettino Sismico Italiano INGV | 85446211 |
Reviewed Rev100 |
ML 0.7 | 2020-11-30 21:57:00 |
42.8332 | 13.0193 | 10 | 2020-11-30 22:07:54 |
Sala Sismica INGV-Roma | 85114381 |
Field | Value |
---|---|
Time (UTC) | 2020-11-30 21:56:59 ± 0.06 |
Latitude | 42.8228 ± 0.0027 |
Longitude | 13.0305 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 85446211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 365 |
Semi-minor axis of confidence ellipse (meter) | 304 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 80 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 98 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.06205 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39031 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 85446211 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-12-15 13:30:31 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 85114381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-11-30 22:07:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | 2020-11-30T21:57:12.56 | 0.6 | undecidable | manual | S | 309 | 38.8278 | 50 | -0.16 | 47 |
IV.CSP1.EHE. | 2020-11-30T21:57:11.27 | 0.3 | undecidable | manual | S | 25 | 33.0447 | 50 | 0.09 | 72 |
IV.MMO1.EHZ. | 2020-11-30T21:57:09.05 | 0.6 | undecidable | manual | S | 71 | 25.5522 | 50 | -0.14 | 48 |
IV.CESI.HHZ. | 2020-11-30T21:57:08.28 | 0.3 | undecidable | manual | S | 333 | 22.6551 | 50 | -0.12 | 73 |
IV.FDMO.HHZ. | 2020-11-30T21:57:08.64 | 0.3 | undecidable | manual | S | 11 | 24.1536 | 50 | -0.17 | 72 |
IV.LNSS.HHZ. | 2020-11-30T21:57:08.87 | 0.6 | undecidable | manual | S | 178 | 24.4533 | 50 | -0.02 | 50 |
IV.CESX.HHE. | 2020-11-30T21:57:07.64 | 0.3 | undecidable | manual | P | 237 | 43.3233 | 50 | -0.33 | 68 |
IV.ASSB.HHE. | 2020-11-30T21:57:07.51 | 0.3 | undecidable | manual | P | 309 | 38.8278 | 50 | 0.23 | 70 |
IT.MTCL.HGE. | 2020-11-30T21:57:07.43 | 0.1 | undecidable | manual | S | 352 | 19.1697 | 119 | -0.04 | 100 |
IV.MOMA.HNZ. | 2020-11-30T21:57:07.25 | 0.3 | undecidable | manual | P | 267 | 37.5291 | 50 | 0.17 | 71 |
IV.CSP1.EHE. | 2020-11-30T21:57:06.73 | 0.6 | undecidable | manual | P | 25 | 33.0447 | 50 | 0.34 | 46 |
IV.MC2.EHZ. | 2020-11-30T21:57:06.63 | 0.3 | undecidable | manual | S | 53 | 16.1727 | 124 | 0.04 | 75 |
IV.FEMA.HNZ. | 2020-11-30T21:57:06.49 | 0.6 | undecidable | manual | S | 6 | 15.4734 | 125 | 0.09 | 50 |
IV.MMO1.EHZ. | 2020-11-30T21:57:05.18 | 0.3 | undecidable | manual | P | 71 | 25.5522 | 50 | -0.06 | 74 |
IV.FDMO.HHZ. | 2020-11-30T21:57:05.03 | 0.1 | undecidable | manual | P | 11 | 24.1536 | 50 | 0.01 | 100 |
IV.LNSS.HHZ. | 2020-11-30T21:57:05.12 | 0.1 | undecidable | manual | P | 178 | 24.4533 | 50 | 0.05 | 99 |
IV.MC2.EHZ. | 2020-11-30T21:57:04.10 | 1.0 | undecidable | manual | P | 53 | 16.1727 | 124 | 0.36 | 23 |
IT.MTCL.HGE. | 2020-11-30T21:57:04.60 | 0.6 | undecidable | manual | P | 352 | 19.1697 | 119 | 0.36 | 47 |
IV.NRCA.HHZ. | 2020-11-30T21:57:04.16 | 0.1 | undecidable | manual | S | 80 | 6.8931 | 147 | -0.14 | 100 |
IV.CESI.HHZ. | 2020-11-30T21:57:04.86 | 0.1 | undecidable | manual | P | 333 | 22.6551 | 50 | 0.07 | 99 |
IV.FEMA.HNZ. | 2020-11-30T21:57:03.32 | 0.1 | undecidable | manual | P | 6 | 15.4734 | 125 | -0.31 | 95 |
IV.NRCA.HHZ. | 2020-11-30T21:57:02.60 | 0.6 | undecidable | manual | P | 80 | 6.8931 | 147 | 0.19 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESI.HHE. | ML:0.2 | 0.000011767149 | 0.1408 | AML | other | m | 2020-11-30T21:57:08.57 |
IV.CESI.HHN. | ML:0.5 | 0.00002121266 | 0.2048 | AML | other | m | 2020-11-30T21:57:08.71 |
IV.FDMO.HHE. | ML:0.4 | 0.000013495305 | 0.1664 | AML | other | m | 2020-11-30T21:57:08.86 |
IV.FDMO.HHN. | ML:0.4 | 0.00001610723 | 0.1792 | AML | other | m | 2020-11-30T21:57:09.25 |