A magnitude ML 0.7 earthquake occured in region: 4 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8190, 13.0520 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 | 4 | 4957 | 4957 |
Preci | PG | 7 | 724 | 5681 |
Cerreto di Spoleto | PG | 11 | 1075 | 6756 |
Cascia | PG | 12 | 3217 | 9973 |
Castelsantangelo sul Nera | MC | 12 | 281 | 10254 |
Sellano | PG | 13 | 1079 | 11333 |
Visso | MC | 13 | 1107 | 12440 |
Poggiodomo | PG | 15 | 117 | 12557 |
Ussita | MC | 16 | 444 | 13001 |
Vallo di Nera | PG | 16 | 364 | 13365 |
Monte Cavallo | MC | 20 | 145 | 13510 |
Sant'Anatolia di Narco | PG | 20 | 564 | 14074 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2020-10-31 02:07:05 |
42.8187 | 13.0525 | 11 | 2020-10-31 02:28:00 |
Sala Sismica INGV-Roma | 84300741 |
Field | Value |
---|---|
Time (UTC) | 2020-10-31 02:07:05 ± 0.05 |
Latitude | 42.8187 ± 0.0027 |
Longitude | 13.0525 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 84300741 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 373 |
Semi-minor axis of confidence ellipse (meter) | 278 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 129 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
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) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.04766 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21943 |
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 | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 84300741 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-31 02:28:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FDMO.HHZ. | 2020-10-31T02:07:14.46 | 0.6 | undecidable | manual | S | 7 | 24.3534 | 50 | -0.08 | 49 |
IV.CESI.HHZ. | 2020-10-31T02:07:14.42 | 0.6 | undecidable | manual | S | 330 | 23.9538 | 50 | 0 | 50 |
IV.MMO1.EHZ. | 2020-10-31T02:07:14.44 | 0.6 | undecidable | manual | S | 68 | 24.0537 | 50 | -0.02 | 49 |
IV.GAVE.EHZ. | 2020-10-31T02:07:13.06 | 0.6 | undecidable | manual | S | 223 | 19.0698 | 50 | -0.07 | 49 |
IV.MMO1.EHZ. | 2020-10-31T02:07:10.74 | 0.6 | positive | manual | P | 68 | 24.0537 | 50 | 0.04 | 49 |
IV.FDMO.HHZ. | 2020-10-31T02:07:10.80 | 0.6 | positive | manual | P | 7 | 24.3534 | 50 | 0.05 | 49 |
IV.CESI.HHZ. | 2020-10-31T02:07:10.71 | 0.6 | positive | manual | P | 330 | 23.9538 | 50 | 0.03 | 49 |
IV.NRCA.HHZ. | 2020-10-31T02:07:09.58 | 0.6 | undecidable | manual | S | 72 | 5.2947 | 154 | -0.21 | 49 |
IV.GAVE.EHZ. | 2020-10-31T02:07:09.94 | 1.0 | undecidable | manual | P | 223 | 19.0698 | 50 | 0.01 | 25 |
IV.NRCA.HHZ. | 2020-10-31T02:07:08.13 | 0.1 | negative | manual | P | 72 | 5.2947 | 154 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.8 | 0.00009035 | 0.08 | AML | other | m | 2020-10-31T02:07:09.65 |
IV.NRCA.HHE. | ML:0.8 | 0.00009559999999999999 | 1.3 | AML | other | m | 2020-10-31T02:07:09.10 |
IV.GAVE.EHN. | ML:0.7 | 0.00003995 | 0.46 | AML | other | m | 2020-10-31T02:07:13.29 |
IV.GAVE.EHE. | ML:0.7 | 0.000037449999999999995 | 1.14 | AML | other | m | 2020-10-31T02:07:13.35 |