A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1360 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 | 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 1.4 | 2020-12-04 00:07:23 |
42.807 | 13.1358 | 10 | 2020-12-04 02:01:40 |
Sala Sismica INGV-Roma | 85184731 |
Field | Value |
---|---|
Time (UTC) | 2020-12-04 00:07:23 ± 0.06 |
Latitude | 42.8070 ± 0.0036 |
Longitude | 13.1358 ± 0.0074 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85184731 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 624 |
Semi-minor axis of confidence ellipse (meter) | 194 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 118 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.03058 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29768 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85184731 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-04 02:01:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-12-04T00:07:34.28 | 0.6 | undecidable | manual | S | 10 | 32.0457 | 50 | -0.07 | 48 |
IV.LNSS.HHZ. | 2020-12-04T00:07:32.06 | 0.1 | undecidable | manual | S | 199 | 23.9538 | 113 | -0.04 | 99 |
IV.MMO1.EHZ. | 2020-12-04T00:07:30.34 | 0.1 | undecidable | manual | S | 57 | 18.5703 | 118 | -0.09 | 99 |
IV.CESI.HHZ. | 2020-12-04T00:07:29.24 | 0.1 | undecidable | manual | P | 320 | 28.8489 | 50 | 0.14 | 96 |
IV.MF5.EHZ. | 2020-12-04T00:07:29.94 | 0.1 | undecidable | manual | P | 53 | 33.0447 | 50 | 0.19 | 94 |
IV.CSP1.EHZ. | 2020-12-04T00:07:29.39 | 0.3 | undecidable | manual | P | 10 | 32.0457 | 50 | -0.21 | 71 |
IV.MC2.EHZ. | 2020-12-04T00:07:28.73 | 0.1 | undecidable | manual | S | 20 | 12.3765 | 129 | 0.11 | 100 |
IV.FDMO.HHZ. | 2020-12-04T00:07:28.41 | 0.1 | undecidable | manual | P | 351 | 25.752 | 50 | -0.21 | 95 |
IV.LNSS.HHZ. | 2020-12-04T00:07:28.33 | 0.1 | undecidable | manual | P | 199 | 23.9538 | 113 | 0.03 | 99 |
IV.MMO1.EHZ. | 2020-12-04T00:07:27.22 | 0.1 | undecidable | manual | P | 57 | 18.5703 | 118 | -0.11 | 98 |
IV.MC2.EHZ. | 2020-12-04T00:07:26.50 | 0.1 | undecidable | manual | P | 20 | 12.3765 | 129 | 0.22 | 97 |
IV.NRCA.HHZ. | 2020-12-04T00:07:26.57 | 0.1 | undecidable | manual | S | 329 | 3.3966 | 161 | -0.2 | 99 |
IV.NRCA.HHZ. | 2020-12-04T00:07:25.38 | 0.1 | undecidable | manual | P | 329 | 3.3966 | 161 | 0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.5 | 0.000623 | 0.78 | AML | other | m | 2020-12-04T00:07:26.78 |
IV.NRCA.HHN. | ML:1.5 | 0.0006045 | 0.8 | AML | other | m | 2020-12-04T00:07:26.79 |
IV.NRCA.HHE. | ML:1.4 | 0.0004255 | 1.48 | AML | other | m | 2020-12-04T00:07:27.19 |
IV.NRCA.HNE. | ML:1.3 | 0.000391 | 1.48 | AML | other | m | 2020-12-04T00:07:27.19 |
IV.LNSS.HHE. | ML:1.2 | 0.0001043 | 0.38 | AML | other | m | 2020-12-04T00:07:32.59 |
IV.LNSS.HHN. | ML:1.2 | 0.0001081 | 0.82 | AML | other | m | 2020-12-04T00:07:32.62 |