A magnitude ML 0.7 earthquake occured in region: 3 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7800, 13.0640 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 | 3 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Preci | PG | 11 | 724 | 8898 |
Cerreto di Spoleto | PG | 13 | 1075 | 9973 |
Poggiodomo | PG | 13 | 117 | 10090 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10371 |
Vallo di Nera | PG | 17 | 364 | 10735 |
Sellano | PG | 17 | 1079 | 11814 |
Monteleone di Spoleto | PG | 17 | 599 | 12413 |
Visso | MC | 17 | 1107 | 13520 |
Accumoli | RI | 18 | 667 | 14187 |
Arquata del Tronto | AP | 19 | 1178 | 15365 |
Sant'Anatolia di Narco | PG | 19 | 564 | 15929 |
Ussita | MC | 19 | 444 | 16373 |
Cittareale | RI | 20 | 482 | 16855 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-03-11 09:02:17 |
42.7797 | 13.0643 | 11 | 2021-07-12 16:55:02 |
Bollettino Sismico Italiano INGV | 88212441 |
Reviewed Rev100 |
ML 0.9 | 2021-03-11 09:02:17 |
42.7798 | 13.0667 | 11 | 2021-03-11 09:15:35 |
Sala Sismica INGV-Roma | 87994791 |
Field | Value |
---|---|
Time (UTC) | 2021-03-11 09:02:17 ± 0.05 |
Latitude | 42.7797 ± 0.0036 |
Longitude | 13.0643 ± 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 | 88212441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 402 |
Semi-minor axis of confidence ellipse (meter) | 267 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 137 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 75 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 18 |
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) | 0.42628 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 88212441 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-17 10:37:48 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87994791 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-11 09:15:35 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIR.HHZ. | 2021-03-11T09:03:13.18 | 3.0 | undecidable | manual | Sg | 0.02 | 0 | |||
IV.LPEL.HHZ. | 2021-03-11T09:02:37.26 | 3.0 | positive | manual | P | 0.21 | 0 | |||
IV.TERO.HHN. | 2021-03-11T09:02:32.59 | 0.3 | undecidable | manual | S | 111 | 47.3193 | 50 | 0.19 | 70 |
IV.MOMA.HHN. | 2021-03-11T09:02:30.78 | 0.3 | undecidable | manual | S | 274 | 40.3263 | 50 | 0.24 | 70 |
IV.CESI.HHZ. | 2021-03-11T09:02:27.12 | 0.3 | undecidable | manual | S | 333 | 28.1496 | 50 | -0.17 | 73 |
IV.FDMO.HHZ. | 2021-03-11T09:02:27.30 | 0.1 | undecidable | manual | S | 4 | 28.5492 | 50 | -0.09 | 99 |
IV.MMO1.EHE. | 2021-03-11T09:02:26.55 | 0.1 | undecidable | manual | S | 58 | 25.1526 | 50 | 0.07 | 100 |
IV.MOMA.HHN. | 2021-03-11T09:02:25.19 | 0.3 | undecidable | manual | P | 274 | 40.3263 | 50 | 0.28 | 70 |
IV.TERO.HHN. | 2021-03-11T09:02:25.83 | 0.3 | undecidable | manual | P | 111 | 47.3193 | 50 | -0.15 | 71 |
IV.MC2.EHN. | 2021-03-11T09:02:24.48 | 0.3 | undecidable | manual | S | 35 | 17.7711 | 121 | 0.07 | 76 |
IV.LNSS.HHZ. | 2021-03-11T09:02:24.96 | 0.3 | undecidable | manual | S | 186 | 19.7691 | 118 | -0.03 | 76 |
IV.GAVE.EHZ. | 2021-03-11T09:02:23.89 | 0.3 | undecidable | manual | S | 235 | 16.9719 | 122 | -0.27 | 73 |
IV.FDMO.HHZ. | 2021-03-11T09:02:23.12 | 0.3 | undecidable | manual | P | 4 | 28.5492 | 50 | 0.03 | 75 |
IV.MMO1.EHE. | 2021-03-11T09:02:22.20 | 0.3 | undecidable | manual | P | 58 | 25.1526 | 50 | -0.37 | 70 |
IV.CESI.HHZ. | 2021-03-11T09:02:22.81 | 0.3 | undecidable | manual | P | 333 | 28.1496 | 50 | -0.22 | 72 |
IV.LNSS.HHZ. | 2021-03-11T09:02:21.43 | 0.6 | undecidable | manual | P | 186 | 19.7691 | 118 | -0.28 | 48 |
IV.GAVE.EHZ. | 2021-03-11T09:02:21.41 | 0.1 | undecidable | manual | P | 235 | 16.9719 | 122 | 0.19 | 99 |
IV.MC2.EHN. | 2021-03-11T09:02:21.52 | 0.1 | undecidable | manual | P | 35 | 17.7711 | 121 | 0.15 | 100 |
IV.NRCA.HHZ. | 2021-03-11T09:02:21.55 | 0.3 | undecidable | manual | S | 34 | 7.1928 | 146 | -0.13 | 76 |
IV.NRCA.HHZ. | 2021-03-11T09:02:20.01 | 0.1 | negative | manual | P | 34 | 7.1928 | 146 | 0.21 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:0.8 | 0.000056336335 | 0.1408 | AML | other | m | 2021-03-11T09:02:24.29 |
IV.GAVE.EHE. | ML:0.8 | 0.000054802185 | 0.1792 | AML | other | m | 2021-03-11T09:02:24.76 |
IV.GAVE.HNE. | ML:1.0 | 0.00008839991999999999 | 0.384 | AML | other | m | 2021-03-11T09:02:24.75 |
IV.CESI.HHE. | ML:0.5 | 0.0000163850915 | 0.1216 | AML | other | m | 2021-03-11T09:02:27.42 |
IV.CESI.HHN. | ML:0.8 | 0.00003380269 | 0.1984 | AML | other | m | 2021-03-11T09:02:27.50 |
IV.FDMO.HHN. | ML:0.5 | 0.000014735155 | 0.1792 | AML | other | m | 2021-03-11T09:02:28.00 |
IV.LNSS.HHE. | ML:1.0 | 0.00006487229 | 0.3008 | AML | other | m | 2021-03-11T09:02:28.32 |
IV.FDMO.HHE. | ML:0.5 | 0.000016782894999999998 | 0.1984 | AML | other | m | 2021-03-11T09:02:30.40 |