A magnitude ML 0.9 earthquake occured in region: 3 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7730, 13.0700 at 10 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 | 3 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Preci | PG | 12 | 724 | 8898 |
Poggiodomo | PG | 13 | 117 | 9015 |
Cerreto di Spoleto | PG | 14 | 1075 | 10090 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10371 |
Monteleone di Spoleto | PG | 17 | 599 | 10970 |
Accumoli | RI | 17 | 667 | 11637 |
Vallo di Nera | PG | 17 | 364 | 12001 |
Sellano | PG | 17 | 1079 | 13080 |
Visso | MC | 18 | 1107 | 14187 |
Arquata del Tronto | AP | 19 | 1178 | 15365 |
Cittareale | RI | 19 | 482 | 15847 |
Sant'Anatolia di Narco | PG | 20 | 564 | 16411 |
Ussita | MC | 20 | 444 | 16855 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.9 | 2021-02-06 15:44:04 |
42.7732 | 13.0705 | 11 | 2021-07-12 16:55:10 |
Bollettino Sismico Italiano INGV | 89827251 |
Reviewed Rev100 |
ML 1.0 | 2021-02-06 15:44:04 |
42.7743 | 13.0648 | 11 | 2021-02-06 15:50:14 |
Sala Sismica INGV-Roma | 86885131 |
Field | Value |
---|---|
Time (UTC) | 2021-02-06 15:44:04 ± 0.04 |
Latitude | 42.7732 ± 0.0018 |
Longitude | 13.0705 ± 0.0037 |
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 | 89827251 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 279 |
Semi-minor axis of confidence ellipse (meter) | 220 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 119 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 51 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.15288 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40380 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 89827251 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-06 09:10:15 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 86885131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-06 15:50:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | 2021-02-06T15:44:19.07 | 1.0 | undecidable | manual | S | 312 | 44.8218 | 50 | -0.16 | 24 |
IV.MOMA.HNZ. | 2021-02-06T15:44:18.63 | 0.6 | undecidable | manual | S | 275 | 40.9257 | 50 | 0.47 | 44 |
IV.CSP1.EHZ. | 2021-02-06T15:44:17.13 | 0.6 | undecidable | manual | S | 17 | 37.0296 | 50 | 0 | 49 |
IV.MML1.HNE. | 2021-02-06T15:44:17.66 | 0.6 | undecidable | manual | S | 348 | 38.628 | 50 | 0.11 | 48 |
IV.RM33.EHZ. | 2021-02-06T15:44:15.61 | 0.6 | undecidable | manual | S | 158 | 31.5462 | 50 | -0.07 | 49 |
IV.CESI.HHZ. | 2021-02-06T15:44:14.87 | 0.6 | undecidable | manual | S | 332 | 29.0487 | 50 | -0.13 | 49 |
IV.SMA1.EHZ. | 2021-02-06T15:44:14.02 | 1.0 | undecidable | manual | S | 126 | 26.751 | 50 | -0.37 | 23 |
IV.MTRA.EHZ. | 2021-02-06T15:44:14.49 | 1.0 | undecidable | manual | S | 94 | 26.6511 | 50 | 0.14 | 24 |
IV.FDMO.HHZ. | 2021-02-06T15:44:14.80 | 0.3 | undecidable | manual | S | 3 | 29.2485 | 50 | -0.26 | 71 |
IV.ASSB.HHN. | 2021-02-06T15:44:13.03 | 1.0 | undecidable | manual | P | 312 | 44.8218 | 50 | -0.04 | 24 |
IV.MMO1.EHZ. | 2021-02-06T15:44:13.88 | 0.3 | undecidable | manual | S | 56 | 25.1526 | 50 | -0.07 | 74 |
IV.LNSS.HHZ. | 2021-02-06T15:44:12.08 | 0.3 | undecidable | manual | S | 187 | 19.0698 | 119 | -0.13 | 74 |
IV.MOMA.HNZ. | 2021-02-06T15:44:12.56 | 1.0 | undecidable | manual | P | 275 | 40.9257 | 50 | 0.1 | 24 |
IV.GAVE.EHZ. | 2021-02-06T15:44:11.30 | 0.3 | undecidable | manual | S | 238 | 16.9719 | 122 | -0.27 | 72 |
IV.MC2.EHZ. | 2021-02-06T15:44:11.90 | 0.6 | undecidable | manual | S | 32 | 18.0708 | 120 | -0.02 | 51 |
IV.CSP1.EHZ. | 2021-02-06T15:44:11.96 | 0.3 | undecidable | manual | P | 17 | 37.0296 | 50 | 0.1 | 72 |
IV.MML1.HNE. | 2021-02-06T15:44:11.95 | 1.0 | undecidable | manual | P | 348 | 38.628 | 50 | -0.16 | 24 |
IV.MF5.EHN. | 2021-02-06T15:44:11.80 | 1.0 | undecidable | manual | P | 53 | 39.627 | 50 | -0.46 | 22 |
IV.MMO1.EHZ. | 2021-02-06T15:44:10.04 | 0.3 | undecidable | manual | P | 56 | 25.1526 | 50 | 0.01 | 75 |
IV.RM33.EHZ. | 2021-02-06T15:44:10.93 | 0.3 | undecidable | manual | P | 158 | 31.5462 | 50 | -0.09 | 73 |
IV.CESI.HHZ. | 2021-02-06T15:44:10.59 | 0.3 | undecidable | manual | P | 332 | 29.0487 | 50 | -0.04 | 74 |
IV.SMA1.EHZ. | 2021-02-06T15:44:10.63 | 0.3 | undecidable | manual | P | 126 | 26.751 | 50 | 0.35 | 70 |
IV.MTRA.EHZ. | 2021-02-06T15:44:10.27 | 0.6 | undecidable | manual | P | 94 | 26.6511 | 50 | 0.01 | 50 |
IV.FDMO.HHZ. | 2021-02-06T15:44:10.70 | 0.3 | undecidable | manual | P | 3 | 29.2485 | 50 | 0.04 | 74 |
IV.MC2.EHZ. | 2021-02-06T15:44:09.07 | 0.3 | undecidable | manual | P | 32 | 18.0708 | 120 | 0.22 | 73 |
IV.LNSS.HHZ. | 2021-02-06T15:44:09.10 | 0.1 | undecidable | manual | P | 187 | 19.0698 | 119 | 0.09 | 100 |
IV.GAVE.EHZ. | 2021-02-06T15:44:08.78 | 0.3 | undecidable | manual | P | 238 | 16.9719 | 122 | 0.13 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.2 | 0.000118 | 0.76 | AML | other | m | 2021-02-06T15:44:12.91 |
IV.LNSS.HHE. | ML:1.2 | 0.0001265 | 0.12 | AML | other | m | 2021-02-06T15:44:12.85 |
IV.FDMO.HHE. | ML:0.7 | 0.0000272 | 1.82 | AML | other | m | 2021-02-06T15:44:14.99 |
IV.FDMO.HHN. | ML:0.7 | 0.00002745 | 0.2 | AML | other | m | 2021-02-06T15:44:15.55 |
IV.CESI.HHN. | ML:0.8 | 0.000028810955 | 0.2048 | AML | other | m | 2021-02-06T15:44:15.31 |
IV.CESI.HHE. | ML:0.7 | 0.000024709034999999996 | 1.5872 | AML | other | m | 2021-02-06T15:44:16.40 |