A magnitude ML 0.9 earthquake occured in region: 2 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8020, 13.1090 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 | 2 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Arquata del Tronto | AP | 16 | 1178 | 11464 |
Cerreto di Spoleto | PG | 16 | 1075 | 12539 |
Ussita | MC | 16 | 444 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Poggiodomo | PG | 17 | 117 | 13767 |
Sellano | PG | 18 | 1079 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-04-17 09:35:44 |
42.8023 | 13.1088 | 11 | 2020-04-17 09:43:31 |
Sala Sismica INGV-Roma | 78314291 |
Field | Value |
---|---|
Time (UTC) | 2020-04-17 09:35:44 ± 0.07 |
Latitude | 42.8023 ± 0.0036 |
Longitude | 13.1088 ± 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 | 78314291 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 540 |
Semi-minor axis of confidence ellipse (meter) | 308 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 51 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 540.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 16 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25181 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 78314291 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-17 09:43:31 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2020-04-17T09:36:02.01 | 3.0 | undecidable | manual | S | -1.95 | 0 | |||
IV.FDMO.HHZ. | 2020-04-17T09:35:54.32 | 0.1 | undecidable | manual | S | 356 | 26.0517 | 50 | -0.05 | 98 |
IV.T1299.HNZ. | 2020-04-17T09:35:53.86 | 0.1 | undecidable | manual | S | 143 | 23.3544 | 50 | 0.2 | 95 |
IV.TERO.HHZ. | 2020-04-17T09:35:53.15 | 3.0 | undecidable | manual | P | -0.19 | 0 | |||
IV.MTRA.EHZ. | 2020-04-17T09:35:53.69 | 0.1 | undecidable | manual | S | 102 | 23.9538 | 50 | -0.12 | 97 |
IV.MMO1.EHZ. | 2020-04-17T09:35:52.88 | 0.1 | undecidable | manual | S | 59 | 20.7681 | 117 | -0.04 | 99 |
IV.RM33.EHZ. | 2020-04-17T09:35:51.32 | 3.0 | negative | manual | P | 0.03 | 0 | |||
IV.CESI.HHZ. | 2020-04-17T09:35:50.66 | 0.1 | undecidable | manual | P | 324 | 27.9498 | 50 | 0.03 | 98 |
IV.FDMO.HHZ. | 2020-04-17T09:35:50.37 | 0.1 | undecidable | manual | P | 356 | 26.0517 | 50 | 0.03 | 98 |
IV.SMA1.EHZ. | 2020-04-17T09:35:50.40 | 0.3 | undecidable | manual | P | 136 | 26.5512 | 50 | -0.02 | 74 |
IV.FEMA.HNZ. | 2020-04-17T09:35:49.21 | 0.6 | undecidable | manual | P | 345 | 18.3705 | 120 | 0.12 | 49 |
IV.MTRA.EHZ. | 2020-04-17T09:35:49.91 | 0.3 | undecidable | manual | P | 102 | 23.9538 | 50 | -0.11 | 73 |
IV.MMO1.EHZ. | 2020-04-17T09:35:49.50 | 0.1 | undecidable | manual | P | 59 | 20.7681 | 117 | -0.01 | 99 |
IV.LNSS.HHZ. | 2020-04-17T09:35:49.19 | 1.0 | undecidable | manual | P | 194 | 22.8549 | 50 | -0.65 | 21 |
IT.MTCL.HGZ. | 2020-04-17T09:35:49.80 | 0.3 | undecidable | manual | P | 337 | 23.0547 | 50 | -0.08 | 73 |
IV.T1299.HNZ. | 2020-04-17T09:35:49.97 | 0.3 | undecidable | manual | P | 143 | 23.3544 | 50 | 0.04 | 74 |
IV.NRCA.HNZ. | 2020-04-17T09:35:48.46 | 0.1 | undecidable | manual | S | 7 | 3.4965 | 162 | -0.25 | 98 |
IV.MC2.EHZ. | 2020-04-17T09:35:48.64 | 0.1 | undecidable | manual | P | 28 | 13.7751 | 128 | 0.32 | 94 |
IV.NRCA.HNZ. | 2020-04-17T09:35:47.20 | 0.1 | undecidable | manual | P | 7 | 3.4965 | 162 | 0.12 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.1 | 0.00007945 | 0.42 | AML | other | m | 2020-04-17T09:35:53.61 |
IV.LNSS.HHN. | ML:1.1 | 0.00008360000000000001 | 0.12 | AML | other | m | 2020-04-17T09:35:53.99 |
IV.MTRA.EHE. | ML:1.4 | 0.00013700000000000002 | 0.22 | AML | other | m | 2020-04-17T09:35:54.47 |
IV.MTRA.EHN. | ML:1.2 | 0.0000968 | 0.44 | AML | other | m | 2020-04-17T09:35:54.69 |
IV.FDMO.HHN. | ML:0.8 | 0.0000366 | 1.38 | AML | other | m | 2020-04-17T09:35:55.72 |
IV.RM33.EHN. | ML:0.9 | 0.00003665 | 0.88 | AML | other | m | 2020-04-17T09:35:56.24 |
IV.FDMO.HHE. | ML:0.7 | 0.00002805 | 1.22 | AML | other | m | 2020-04-17T09:35:57.21 |
IV.RM33.EHE. | ML:0.8 | 0.00002315 | 0.18 | AML | other | m | 2020-04-17T09:35:57.66 |
IV.SMA1.EHE. | ML:1.0 | 0.00004845 | 1.62 | AML | other | m | 2020-04-17T09:35:57.89 |
IV.SMA1.EHN. | ML:0.9 | 0.0000422 | 0.54 | AML | other | m | 2020-04-17T09:35:58.52 |
IV.TERO.HHN. | ML:0.8 | 0.0000211 | 1.56 | AML | other | m | 2020-04-17T09:36:00.85 |
IV.TERO.HHE. | ML:0.7 | 0.0000156 | 0.1 | AML | other | m | 2020-04-17T09:36:01.39 |