A magnitude ML 1.1 earthquake occured in region: 1 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8020, 13.0920 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 | 10 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 14 | 1075 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Poggiodomo | PG | 16 | 117 | 11478 |
Ussita | MC | 16 | 444 | 11922 |
Sellano | PG | 17 | 1079 | 13001 |
Arquata del Tronto | AP | 17 | 1178 | 14179 |
Accumoli | RI | 17 | 667 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-07-24 03:52:19 |
42.8022 | 13.0917 | 10 | 2020-07-24 03:59:00 |
Sala Sismica INGV-Roma | 81292911 |
Field | Value |
---|---|
Time (UTC) | 2020-07-24 03:52:19 ± 0.13 |
Latitude | 42.8022 ± 0.0054 |
Longitude | 13.0917 ± 0.0123 |
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 | 81292911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1012 |
Semi-minor axis of confidence ellipse (meter) | 528 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1010.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70417 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 81292911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-24 03:59:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARRO.EHZ. | 2020-07-24T03:52:32.21 | 3.0 | undecidable | manual | S | 0.05 | 0 | |||
IV.RM33.EHZ. | 2020-07-24T03:52:31.35 | 0.6 | undecidable | manual | S | 163 | 34.0437 | 50 | -0.11 | 48 |
IV.SMA1.EHZ. | 2020-07-24T03:52:30.02 | 0.6 | undecidable | manual | S | 134 | 27.5502 | 50 | 0.3 | 46 |
IV.FDMO.HHZ. | 2020-07-24T03:52:29.14 | 0.6 | undecidable | manual | S | 359 | 25.9518 | 50 | -0.18 | 48 |
IV.MMO1.EHZ. | 2020-07-24T03:52:27.84 | 0.6 | undecidable | manual | S | 61 | 21.9669 | 115 | -0.32 | 47 |
IV.MC2.EHZ. | 2020-07-24T03:52:26.30 | 0.6 | undecidable | manual | S | 33 | 14.4744 | 125 | 0.38 | 47 |
IV.RM33.EHZ. | 2020-07-24T03:52:26.26 | 1.0 | undecidable | manual | P | 163 | 34.0437 | 50 | -0.25 | 23 |
IV.FDMO.HHZ. | 2020-07-24T03:52:25.35 | 0.6 | undecidable | manual | P | 359 | 25.9518 | 50 | 0.08 | 49 |
IV.SMA1.EHZ. | 2020-07-24T03:52:25.41 | 1.0 | positive | manual | P | 134 | 27.5502 | 50 | -0.1 | 24 |
IV.ARVD.HHZ. | 2020-07-24T03:52:24.45 | 0.1 | undecidable | manual | P | 78.1662 | -8.86 | 0 | ||
IV.MMO1.EHZ. | 2020-07-24T03:52:24.45 | 1.0 | positive | manual | P | 61 | 21.9669 | 115 | -0.16 | 24 |
IV.MC2.EHZ. | 2020-07-24T03:52:23.63 | 1.0 | undecidable | manual | P | 33 | 14.4744 | 125 | 0.32 | 24 |
IV.NRCA.HHZ. | 2020-07-24T03:52:23.37 | 0.3 | undecidable | manual | S | 28 | 3.8961 | 159 | -0.21 | 74 |
IV.NRCA.HHZ. | 2020-07-24T03:52:22.09 | 0.1 | undecidable | manual | P | 28 | 3.8961 | 159 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.1 | 0.00019700000000000002 | 0.08 | AML | other | m | 2020-07-24T03:52:23.47 |
IV.NRCA.HHE. | ML:1.2 | 0.00023799999999999998 | 0.08 | AML | other | m | 2020-07-24T03:52:23.56 |