A magnitude ML 1.1 earthquake occured in region: Norcia (PG), on
and geographic coordinates (lat, lon) 42.7960, 13.0920 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 | 0 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 15 | 1075 | 10254 |
Visso | MC | 15 | 1107 | 11361 |
Poggiodomo | PG | 16 | 117 | 11478 |
Sellano | PG | 17 | 1079 | 12557 |
Arquata del Tronto | AP | 17 | 1178 | 13735 |
Accumoli | RI | 17 | 667 | 14402 |
Ussita | MC | 17 | 444 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Monteleone di Spoleto | PG | 20 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-27 09:13:01 |
42.7957 | 13.0917 | 11 | 2021-02-27 09:42:34 |
Sala Sismica INGV-Roma | 87535071 |
Field | Value |
---|---|
Time (UTC) | 2021-02-27 09:13:01 ± 0.12 |
Latitude | 42.7957 ± 0.0117 |
Longitude | 13.0917 ± 0.0159 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87535071 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1758 |
Semi-minor axis of confidence ellipse (meter) | 525 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 316 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1760.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 176 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.04137 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30757 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 87535071 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-27 09:42:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-02-27T09:13:12.94 | 0.3 | undecidable | manual | S | 16 | 34.1436 | 50 | 0.12 | 70 |
IV.GAVE.EHZ. | 2021-02-27T09:13:09.02 | 0.3 | undecidable | manual | S | 235 | 19.7691 | 50 | 0.03 | 73 |
IV.MMO1.EHZ. | 2021-02-27T09:13:09.61 | 0.3 | undecidable | manual | S | 59 | 22.3554 | 50 | -0.06 | 72 |
IV.CSP1.EHZ. | 2021-02-27T09:13:07.52 | 0.1 | undecidable | manual | P | 16 | 34.1436 | 50 | -0.39 | 88 |
IV.MC2.EHZ. | 2021-02-27T09:13:07.91 | 0.3 | undecidable | manual | S | 32 | 15.0738 | 126 | 0.26 | 70 |
IV.MMO1.EHZ. | 2021-02-27T09:13:06.09 | 0.1 | undecidable | manual | P | 59 | 22.3554 | 50 | 0 | 98 |
IV.MC2.EHZ. | 2021-02-27T09:13:05.18 | 0.1 | undecidable | manual | P | 32 | 15.0738 | 126 | 0.26 | 94 |
IV.GAVE.EHZ. | 2021-02-27T09:13:05.79 | 0.1 | undecidable | manual | P | 235 | 19.7691 | 50 | 0.09 | 96 |
IV.NRCA.HHZ. | 2021-02-27T09:13:04.88 | 0.3 | undecidable | manual | S | 24 | 4.5954 | 157 | -0.41 | 69 |
IV.NRCA.HHZ. | 2021-02-27T09:13:03.60 | 0.1 | undecidable | manual | P | 24 | 4.5954 | 157 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.000504 | 0.08 | AML | other | m | 2021-02-27T09:13:04.94 |
IV.NRCA.HHE. | ML:1.0 | 0.00014890718 | 0.064 | AML | other | m | 2021-02-27T09:13:04.90 |
IV.NRCA.HNE. | ML:1.4 | 0.00038990114999999995 | 0.0704 | AML | other | m | 2021-02-27T09:13:04.98 |
IV.NRCA.HNN. | ML:1.5 | 0.00048437474999999997 | 0.0896 | AML | other | m | 2021-02-27T09:13:04.94 |
IV.GAVE.EHE. | ML:0.8 | 0.000051851284999999995 | 0.1408 | AML | other | m | 2021-02-27T09:13:09.72 |
IV.GAVE.EHN. | ML:0.7 | 0.000041068303 | 0.1792 | AML | other | m | 2021-02-27T09:13:09.85 |
IV.CSP1.EHE. | ML:1.0 | 0.00003863079 | 0.1152 | AML | other | m | 2021-02-27T09:13:13.66 |
IV.CSP1.EHN. | ML:1.0 | 0.000043625445 | 0.2368 | AML | other | m | 2021-02-27T09:13:13.68 |