A magnitude ML 0.8 earthquake occured in region: 3 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.0650 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 | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Cascia | PG | 10 | 3217 | 8898 |
Cerreto di Spoleto | PG | 12 | 1075 | 9973 |
Castelsantangelo sul Nera | MC | 13 | 281 | 10254 |
Visso | MC | 14 | 1107 | 11361 |
Poggiodomo | PG | 15 | 117 | 11478 |
Sellano | PG | 15 | 1079 | 12557 |
Vallo di Nera | PG | 17 | 364 | 12921 |
Ussita | MC | 17 | 444 | 13365 |
Monteleone di Spoleto | PG | 19 | 599 | 13964 |
Accumoli | RI | 19 | 667 | 14631 |
Arquata del Tronto | AP | 19 | 1178 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-04-16 03:18:46 |
42.8035 | 13.0647 | 11 | 2020-04-16 03:31:45 |
Sala Sismica INGV-Roma | 78261851 |
Field | Value |
---|---|
Time (UTC) | 2020-04-16 03:18:46 ± 0.07 |
Latitude | 42.8035 ± 0.0027 |
Longitude | 13.0647 ± 0.0061 |
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 | 78261851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 489 |
Semi-minor axis of confidence ellipse (meter) | 277 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 78 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
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) | 0.04676 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36243 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 78261851 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-16 03:31:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-04-16T03:18:58.26 | 0.3 | undecidable | manual | S | 20 | 33.9438 | 50 | 0.16 | 70 |
IV.T1299.HNZ. | 2020-04-16T03:18:56.10 | 0.3 | undecidable | manual | S | 137 | 25.8519 | 50 | 0.17 | 71 |
IV.SMA1.EHZ. | 2020-04-16T03:18:56.89 | 0.3 | undecidable | manual | S | 131 | 29.2485 | 50 | 0.04 | 72 |
IV.FDMO.HHZ. | 2020-04-16T03:18:55.81 | 0.3 | undecidable | manual | S | 4 | 25.9518 | 50 | -0.15 | 71 |
IV.CESI.HNZ. | 2020-04-16T03:18:55.81 | 0.3 | undecidable | manual | S | 330 | 25.8519 | 50 | -0.13 | 71 |
IV.MMO1.EHZ. | 2020-04-16T03:18:55.16 | 0.3 | undecidable | manual | S | 63 | 23.8539 | 50 | -0.24 | 70 |
IV.MOMA.HHZ. | 2020-04-16T03:18:54.81 | 0.6 | undecidable | manual | P | 270 | 40.2264 | 50 | 0.62 | 41 |
IV.LNSS.HHZ. | 2020-04-16T03:18:54.78 | 0.3 | undecidable | manual | S | 185 | 22.3554 | 50 | -0.23 | 70 |
IV.CSP1.EHZ. | 2020-04-16T03:18:53.31 | 0.3 | undecidable | manual | P | 20 | 33.9438 | 50 | 0.09 | 71 |
IV.MC2.EHZ. | 2020-04-16T03:18:53.34 | 0.3 | undecidable | manual | S | 40 | 15.6732 | 125 | 0.17 | 72 |
IV.T1299.HNZ. | 2020-04-16T03:18:52.13 | 0.3 | undecidable | manual | P | 137 | 25.8519 | 50 | 0.16 | 71 |
IV.MTRA.HNZ. | 2020-04-16T03:18:52.13 | 0.6 | undecidable | manual | P | 101 | 27.5502 | 50 | -0.1 | 48 |
IV.SMA1.EHZ. | 2020-04-16T03:18:52.53 | 0.3 | undecidable | manual | P | 131 | 29.2485 | 50 | 0.04 | 72 |
IV.LNSS.HHZ. | 2020-04-16T03:18:51.29 | 0.1 | undecidable | manual | P | 185 | 22.3554 | 50 | -0.14 | 96 |
IV.CESI.HNZ. | 2020-04-16T03:18:51.92 | 0.3 | undecidable | manual | P | 330 | 25.8519 | 50 | -0.05 | 73 |
IV.MMO1.EHZ. | 2020-04-16T03:18:51.64 | 0.3 | undecidable | manual | P | 63 | 23.8539 | 50 | -0.02 | 73 |
IV.FDMO.HHZ. | 2020-04-16T03:18:51.92 | 0.3 | undecidable | manual | P | 4 | 25.9518 | 50 | -0.06 | 72 |
IV.NRCA.HHZ. | 2020-04-16T03:18:50.42 | 0.1 | undecidable | manual | S | 50 | 5.1948 | 154 | -0.32 | 95 |
IV.MC2.EHZ. | 2020-04-16T03:18:50.63 | 0.3 | undecidable | manual | P | 40 | 15.6732 | 125 | 0.26 | 71 |
IV.NRCA.HHZ. | 2020-04-16T03:18:49.03 | 0.1 | undecidable | manual | P | 50 | 5.1948 | 154 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.000354 | 0.12 | AML | other | m | 2020-04-16T03:18:50.63 |
IV.NRCA.HHN. | ML:1.0 | 0.0001715 | 0.96 | AML | other | m | 2020-04-16T03:18:51.55 |
IV.LNSS.HHN. | ML:0.7 | 0.00003734999999999999 | 0.56 | AML | other | m | 2020-04-16T03:18:55.18 |
IV.FDMO.HHE. | ML:0.7 | 0.000029999999999999997 | 0.46 | AML | other | m | 2020-04-16T03:18:55.96 |
IV.FDMO.HHN. | ML:0.7 | 0.0000305 | 0.22 | AML | other | m | 2020-04-16T03:18:56.16 |
IV.LNSS.HHE. | ML:0.7 | 0.00003344999999999999 | 0.54 | AML | other | m | 2020-04-16T03:18:56.58 |
IV.CSP1.EHN. | ML:0.7 | 0.00002005 | 0.78 | AML | other | m | 2020-04-16T03:19:00.97 |
IV.CSP1.EHE. | ML:0.9 | 0.000032850000000000006 | 0.46 | AML | other | m | 2020-04-16T03:19:00.75 |