A magnitude ML 0.9 earthquake occured in region: 4 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8250, 13.0660 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 | 6 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Cerreto di Spoleto | PG | 12 | 1075 | 8144 |
Cascia | PG | 13 | 3217 | 11361 |
Sellano | PG | 13 | 1079 | 12440 |
Ussita | MC | 15 | 444 | 12884 |
Poggiodomo | PG | 16 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Monte Cavallo | MC | 20 | 145 | 13510 |
Arquata del Tronto | AP | 20 | 1178 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-05-16 22:38:46 |
42.8253 | 13.066 | 11 | 2020-05-16 22:50:31 |
Sala Sismica INGV-Roma | 79212271 |
Field | Value |
---|---|
Time (UTC) | 2020-05-16 22:38:46 ± 0.08 |
Latitude | 42.8253 ± 0.0054 |
Longitude | 13.0660 ± 0.0098 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 79212271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 800 |
Semi-minor axis of confidence ellipse (meter) | 466 |
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) | 800.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33455 |
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 | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 79212271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-05-16 22:50:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MDAR.HNZ. | 2020-05-16T22:38:59.74 | 3.0 | undecidable | manual | S | -0.46 | 0 | |||
IV.MMO1.EHZ. | 2020-05-16T22:38:55.12 | 0.1 | undecidable | manual | S | 69 | 22.755 | 50 | -0.15 | 94 |
IV.FDMO.HHZ. | 2020-05-16T22:38:55.37 | 0.3 | undecidable | manual | S | 4 | 23.4543 | 50 | -0.1 | 72 |
IV.CESI.HHZ. | 2020-05-16T22:38:55.43 | 0.3 | undecidable | manual | S | 327 | 23.8539 | 50 | -0.13 | 72 |
IV.ARRO.EHZ. | 2020-05-16T22:38:53.83 | 0.1 | undecidable | manual | P | 222 | 36.6411 | 50 | 0.02 | 94 |
IV.MC2.EHZ. | 2020-05-16T22:38:53.28 | 0.1 | undecidable | manual | S | 46 | 13.875 | 129 | 0.4 | 92 |
IV.RM33.EHZ. | 2020-05-16T22:38:53.97 | 0.1 | undecidable | manual | P | 161 | 37.1295 | 50 | 0.09 | 93 |
IV.MMO1.EHZ. | 2020-05-16T22:38:51.68 | 0.1 | undecidable | manual | P | 69 | 22.755 | 50 | 0.02 | 98 |
IV.FDMO.HHZ. | 2020-05-16T22:38:51.71 | 0.1 | undecidable | manual | P | 4 | 23.4543 | 50 | -0.06 | 96 |
IV.CESI.HHZ. | 2020-05-16T22:38:51.84 | 0.1 | undecidable | manual | P | 327 | 23.8539 | 50 | 0.01 | 97 |
IV.MC2.EHZ. | 2020-05-16T22:38:50.45 | 0.1 | undecidable | manual | P | 46 | 13.875 | 129 | 0.17 | 96 |
IV.NRCA.HHZ. | 2020-05-16T22:38:50.43 | 0.1 | undecidable | manual | S | 77 | 3.996 | 160 | -0.39 | 92 |
IV.NRCA.HHZ. | 2020-05-16T22:38:49.15 | 0.1 | undecidable | manual | P | 77 | 3.996 | 160 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.0004275 | 0.16 | AML | other | m | 2020-05-16T22:38:50.60 |
IV.NRCA.HHN. | ML:1.2 | 0.0002185 | 0.14 | AML | other | m | 2020-05-16T22:38:50.67 |
IV.CESI.HHN. | ML:0.8 | 0.000040300000000000004 | 1.02 | AML | other | m | 2020-05-16T22:38:55.01 |
IV.FDMO.HHE. | ML:0.8 | 0.00003915 | 0.14 | AML | other | m | 2020-05-16T22:38:55.84 |
IV.CESI.HHE. | ML:0.6 | 0.00002735 | 0.68 | AML | other | m | 2020-05-16T22:38:55.51 |
IV.FDMO.HHN. | ML:0.8 | 0.000040050000000000004 | 1.76 | AML | other | m | 2020-05-16T22:38:55.91 |