A magnitude ML 0.8 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1360 at 6 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 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Arquata del Tronto | AP | 14 | 1178 | 7140 |
Cascia | PG | 14 | 3217 | 10357 |
Visso | MC | 14 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 15 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Montemonaco | AP | 19 | 604 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-09-27 04:08:21 |
42.8067 | 13.1358 | 6 | 2020-09-27 04:18:43 |
Sala Sismica INGV-Roma | 83287711 |
Field | Value |
---|---|
Time (UTC) | 2020-09-27 04:08:21 ± 0.14 |
Latitude | 42.8067 ± 0.0036 |
Longitude | 13.1358 ± 0.0074 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 83287711 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 584 |
Semi-minor axis of confidence ellipse (meter) | 225 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 580.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 121 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.03148 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30307 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 83287711 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-27 04:18:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RM33.HNZ. | 2020-09-27T04:08:32.93 | 0.6 | undecidable | manual | S | 169 | 33.6441 | 100 | -0.57 | 42 |
IV.LNSS.HHZ. | 2020-09-27T04:08:30.48 | 0.3 | undecidable | manual | S | 199 | 23.9538 | 104 | 0.28 | 69 |
IV.FDMO.HHZ. | 2020-09-27T04:08:30.89 | 0.3 | undecidable | manual | S | 351 | 25.752 | 103 | 0.05 | 72 |
IV.T1299.HNZ. | 2020-09-27T04:08:30.07 | 0.3 | undecidable | manual | S | 148 | 22.5552 | 105 | 0.33 | 68 |
IV.MTRA.HNZ. | 2020-09-27T04:08:29.74 | 0.6 | undecidable | manual | S | 105 | 21.9669 | 105 | 0.21 | 47 |
IV.MMO1.EHZ. | 2020-09-27T04:08:28.20 | 0.3 | undecidable | manual | S | 56 | 18.6702 | 107 | -0.23 | 70 |
IV.CESI.HHZ. | 2020-09-27T04:08:27.45 | 0.3 | undecidable | manual | P | 320 | 28.9488 | 101 | -0.12 | 70 |
IV.RM33.HNZ. | 2020-09-27T04:08:27.96 | 0.6 | undecidable | manual | P | 169 | 33.6441 | 100 | -0.54 | 42 |
IV.MC2.EHZ. | 2020-09-27T04:08:27.02 | 0.3 | undecidable | manual | S | 20 | 12.3765 | 115 | 0.6 | 64 |
IV.T1299.HNZ. | 2020-09-27T04:08:26.33 | 0.1 | undecidable | manual | P | 148 | 22.5552 | 105 | 0.01 | 97 |
IV.MTRA.HNZ. | 2020-09-27T04:08:26.20 | 0.3 | undecidable | manual | P | 105 | 21.9669 | 105 | 0 | 73 |
IV.LNSS.HHZ. | 2020-09-27T04:08:26.83 | 0.3 | undecidable | manual | P | 199 | 23.9538 | 104 | 0.24 | 69 |
IV.FDMO.HHZ. | 2020-09-27T04:08:26.95 | 0.3 | undecidable | manual | P | 351 | 25.752 | 103 | -0.01 | 72 |
IV.MMO1.EHZ. | 2020-09-27T04:08:25.22 | 0.1 | undecidable | manual | P | 56 | 18.6702 | 107 | -0.35 | 91 |
IV.MC2.EHZ. | 2020-09-27T04:08:24.56 | 0.1 | undecidable | manual | P | 20 | 12.3765 | 115 | 0.16 | 96 |
IV.NRCA.HHZ. | 2020-09-27T04:08:23.00 | 0.1 | undecidable | manual | P | 330 | 3.4965 | 149 | -0.02 | 100 |
IV.NRCA.HHZ. | 2020-09-27T04:08:23.81 | 0.1 | undecidable | manual | S | 330 | 3.4965 | 149 | -0.21 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:0.0 | 0.0007329684000000001 | 0.5504 | AML | other | m | 2020-09-27T04:08:24.61 |
IV.NRCA.HHN. | ML:0.0 | 0.0007386958999999999 | 0.08 | AML | other | m | 2020-09-27T04:08:24.17 |
IV.NRCA.HNE. | ML:0.0 | 0.0010495719 | 0.1984 | AML | other | m | 2020-09-27T04:08:23.97 |
IV.FDMO.HHE. | ML:0.6 | 0.000023534105 | 0.6208 | AML | other | m | 2020-09-27T04:08:32.06 |
IV.FDMO.HHN. | ML:0.9 | 0.000045968115000000006 | 2.2816 | AML | other | m | 2020-09-27T04:08:31.14 |