A magnitude ML 1.2 earthquake occured in region: 4 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7620, 13.0730 at 10 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 | 4 | 4957 | 4957 |
Cascia | PG | 7 | 3217 | 8174 |
Poggiodomo | PG | 13 | 117 | 8291 |
Preci | PG | 13 | 724 | 9015 |
Cerreto di Spoleto | PG | 14 | 1075 | 10090 |
Monteleone di Spoleto | PG | 16 | 599 | 10689 |
Accumoli | RI | 16 | 667 | 11356 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11637 |
Vallo di Nera | PG | 17 | 364 | 12001 |
Cittareale | RI | 18 | 482 | 12483 |
Arquata del Tronto | AP | 18 | 1178 | 13661 |
Sellano | PG | 19 | 1079 | 14740 |
Visso | MC | 19 | 1107 | 15847 |
Sant'Anatolia di Narco | PG | 20 | 564 | 16411 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-26 22:38:50 |
42.7623 | 13.0733 | 10 | 2021-10-26 22:44:05 |
Sala Sismica INGV-Roma | 97010621 |
Field | Value |
---|---|
Time (UTC) | 2021-10-26 22:38:50 ± 0.04 |
Latitude | 42.7623 ± 0.0018 |
Longitude | 13.0733 ± 0.0037 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97010621 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 270 |
Semi-minor axis of confidence ellipse (meter) | 192 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 269 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 270.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 56 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 25 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41369 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 97010621 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-26 22:44:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-10-26T22:39:05.17 | 0.6 | undecidable | manual | S | 110 | 45.9207 | 50 | 0.17 | 46 |
IV.MOMA.HHZ. | 2021-10-26T22:39:04.07 | 0.6 | undecidable | manual | S | 277 | 41.2254 | 50 | 0.33 | 45 |
IV.CSP1.EHZ. | 2021-10-26T22:39:03.18 | 0.6 | undecidable | manual | S | 16 | 38.0286 | 50 | 0.28 | 45 |
IV.RM33.EHZ. | 2021-10-26T22:39:00.65 | 0.6 | undecidable | manual | S | 158 | 30.3474 | 50 | -0.2 | 47 |
IV.FDMO.HHZ. | 2021-10-26T22:39:00.73 | 0.6 | undecidable | manual | S | 2 | 30.4473 | 50 | -0.14 | 47 |
IV.CESI.HHZ. | 2021-10-26T22:39:00.63 | 0.6 | undecidable | manual | S | 333 | 30.2475 | 50 | -0.17 | 47 |
IV.SMA1.EHZ. | 2021-10-26T22:38:59.93 | 0.6 | undecidable | manual | S | 124 | 25.8519 | 50 | 0.28 | 46 |
IV.MMO1.EHZ. | 2021-10-26T22:38:59.30 | 0.6 | undecidable | manual | S | 54 | 25.6521 | 50 | -0.28 | 46 |
IV.MOMA.HHZ. | 2021-10-26T22:38:58.02 | 0.6 | undecidable | manual | P | 277 | 41.2254 | 50 | 0.05 | 47 |
IV.TERO.HHZ. | 2021-10-26T22:38:58.60 | 0.6 | undecidable | manual | P | 110 | 45.9207 | 50 | -0.1 | 47 |
IV.ASSB.HHZ. | 2021-10-26T22:38:58.70 | 0.6 | undecidable | manual | P | 313 | 45.8208 | 50 | 0.02 | 47 |
IV.CSP1.EHZ. | 2021-10-26T22:38:57.52 | 1.0 | undecidable | manual | P | 16 | 38.0286 | 50 | 0.04 | 24 |
IV.LNSS.HHZ. | 2021-10-26T22:38:57.10 | 0.6 | undecidable | manual | S | 189 | 17.871 | 120 | -0.13 | 49 |
IV.ARRO.EHZ. | 2021-10-26T22:38:57.16 | 3.0 | undecidable | manual | P | 0.48 | 0 | |||
IV.MC2.EHZ. | 2021-10-26T22:38:57.81 | 0.6 | undecidable | manual | S | 30 | 19.0698 | 118 | 0.24 | 47 |
IV.FDMO.HHZ. | 2021-10-26T22:38:56.17 | 0.1 | undecidable | manual | P | 2 | 30.4473 | 50 | -0.14 | 95 |
IV.GAVE.EHZ. | 2021-10-26T22:38:56.74 | 0.6 | undecidable | manual | S | 242 | 16.5723 | 122 | -0.09 | 49 |
IV.CESI.HHZ. | 2021-10-26T22:38:56.19 | 0.1 | undecidable | manual | P | 333 | 30.2475 | 50 | -0.08 | 96 |
IV.RM33.EHZ. | 2021-10-26T22:38:56.10 | 0.1 | undecidable | manual | P | 158 | 30.3474 | 50 | -0.2 | 94 |
IV.MMO1.EHZ. | 2021-10-26T22:38:55.60 | 0.1 | undecidable | manual | P | 54 | 25.6521 | 50 | 0.04 | 98 |
IV.SMA1.EHZ. | 2021-10-26T22:38:55.71 | 0.1 | undecidable | manual | P | 124 | 25.8519 | 50 | 0.1 | 96 |
IV.MC2.EHZ. | 2021-10-26T22:38:54.57 | 0.6 | undecidable | manual | P | 30 | 19.0698 | 118 | 0.16 | 48 |
IV.GAVE.EHZ. | 2021-10-26T22:38:54.11 | 0.1 | undecidable | manual | P | 242 | 16.5723 | 122 | 0.13 | 97 |
IV.LNSS.HHZ. | 2021-10-26T22:38:54.24 | 0.1 | undecidable | manual | P | 189 | 17.871 | 120 | 0.03 | 99 |
IV.NRCA.HHZ. | 2021-10-26T22:38:54.39 | 0.6 | undecidable | manual | S | 23 | 8.5803 | 140 | -0.32 | 47 |
IV.NRCA.HHZ. | 2021-10-26T22:38:52.82 | 0.1 | undecidable | manual | P | 23 | 8.5803 | 140 | 0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.5 | 0.0004125 | 0.14 | AML | other | m | 2021-10-26T22:38:54.44 |
IV.NRCA.HHN. | ML:1.5 | 0.000448 | 0.14 | AML | other | m | 2021-10-26T22:38:54.44 |
IV.NRCA.HHE. | ML:1.4 | 0.000343 | 0.08 | AML | other | m | 2021-10-26T22:38:54.61 |
IV.NRCA.HNE. | ML:1.4 | 0.00034849999999999996 | 1.12 | AML | other | m | 2021-10-26T22:38:55.56 |
IV.GAVE.EHN. | ML:1.0 | 0.00007835000000000001 | 0.62 | AML | other | m | 2021-10-26T22:38:57.32 |
IV.LNSS.HHE. | ML:1.3 | 0.000156 | 0.96 | AML | other | m | 2021-10-26T22:38:57.41 |
IV.LNSS.HHN. | ML:1.2 | 0.000118 | 0.3 | AML | other | m | 2021-10-26T22:38:57.62 |
IV.GAVE.EHE. | ML:1.0 | 0.000088 | 1.16 | AML | other | m | 2021-10-26T22:38:57.84 |
IV.CESI.HHN. | ML:1.0 | 0.00004435 | 0.32 | AML | other | m | 2021-10-26T22:39:01.28 |
IV.CESI.HHE. | ML:0.9 | 0.00003325 | 0.48 | AML | other | m | 2021-10-26T22:39:01.75 |
IV.SMA1.EHN. | ML:0.9 | 0.00004465 | 0.52 | AML | other | m | 2021-10-26T22:39:01.59 |
IV.SMA1.EHE. | ML:1.0 | 0.0000619 | 1.28 | AML | other | m | 2021-10-26T22:39:02.76 |