A magnitude ML 1.4 earthquake occured in region: 1 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8060, 13.0950 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 | 1 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 14 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 16 | 444 | 11805 |
Sellano | PG | 17 | 1079 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Arquata del Tronto | AP | 17 | 1178 | 14179 |
Accumoli | RI | 18 | 667 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Montegallo | AP | 20 | 523 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2020-02-27 01:20:43 |
42.8055 | 13.0953 | 10 | 2020-02-27 01:43:45 |
Sala Sismica INGV-Roma | 76853871 |
Field | Value |
---|---|
Time (UTC) | 2020-02-27 01:20:43 ± 0.08 |
Latitude | 42.8055 ± 0.0036 |
Longitude | 13.0953 ± 0.0049 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 76853871 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 496 |
Semi-minor axis of confidence ellipse (meter) | 252 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 315 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
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) | 0.24821 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 76853871 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-27 01:43:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T0110.HHZ. | 2020-02-27T01:21:08.00 | 3.0 | undecidable | manual | S | -1.41 | 0 | |||
IV.LNSS.HHZ. | 2020-02-27T01:20:51.72 | 0.3 | undecidable | manual | S | 191 | 22.9548 | 112 | -0.01 | 73 |
IV.MMO1.EHZ. | 2020-02-27T01:20:51.22 | 0.3 | undecidable | manual | S | 61 | 21.5673 | 114 | -0.06 | 73 |
IV.GAVE.EHZ. | 2020-02-27T01:20:50.98 | 0.1 | undecidable | manual | S | 233 | 20.6682 | 115 | -0.03 | 98 |
IV.SMA1.EHZ. | 2020-02-27T01:20:49.11 | 0.3 | undecidable | manual | P | 135 | 27.5502 | 109 | 0.15 | 71 |
IV.FDMO.HHZ. | 2020-02-27T01:20:48.37 | 0.3 | undecidable | manual | P | 359 | 25.6521 | 110 | -0.23 | 71 |
IV.LNSS.HHZ. | 2020-02-27T01:20:48.06 | 0.1 | undecidable | manual | P | 191 | 22.9548 | 112 | -0.03 | 98 |
IV.MTRA.EHZ. | 2020-02-27T01:20:48.39 | 0.3 | undecidable | manual | P | 102 | 25.1526 | 111 | -0.11 | 72 |
IV.GAVE.EHZ. | 2020-02-27T01:20:47.68 | 0.1 | undecidable | manual | P | 233 | 20.6682 | 115 | 0 | 98 |
IV.MMO1.EHZ. | 2020-02-27T01:20:47.75 | 0.1 | undecidable | manual | P | 61 | 21.5673 | 114 | -0.09 | 97 |
IV.MC2.EHZ. | 2020-02-27T01:20:46.81 | 0.3 | undecidable | manual | P | 33 | 13.9749 | 124 | 0.3 | 70 |
IV.NRCA.HHZ. | 2020-02-27T01:20:46.60 | 0.1 | undecidable | manual | S | 26 | 3.4965 | 160 | -0.03 | 100 |
IV.NRCA.HHZ. | 2020-02-27T01:20:45.32 | 0.1 | undecidable | manual | P | 26 | 3.4965 | 160 | 0.17 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.5 | 0.0006265000000000001 | 0.08 | AML | other | m | 2020-02-27T01:20:46.64 |
IV.NRCA.HHE. | ML:1.4 | 0.0004355 | 0.82 | AML | other | m | 2020-02-27T01:20:47.94 |