A magnitude ML 0.5 earthquake occured in region: 2 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7800, 13.0990 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 | 2 | 4957 | 4957 |
Cascia | PG | 10 | 3217 | 8174 |
Preci | PG | 12 | 724 | 8898 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9179 |
Poggiodomo | PG | 15 | 117 | 9296 |
Accumoli | RI | 15 | 667 | 9963 |
Cerreto di Spoleto | PG | 16 | 1075 | 11038 |
Arquata del Tronto | AP | 16 | 1178 | 12216 |
Visso | MC | 17 | 1107 | 13323 |
Sellano | PG | 19 | 1079 | 14402 |
Cittareale | RI | 19 | 482 | 14884 |
Monteleone di Spoleto | PG | 19 | 599 | 15483 |
Ussita | MC | 19 | 444 | 15927 |
Vallo di Nera | PG | 19 | 364 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-04-09 19:51:50 |
42.7795 | 13.0993 | 10 | 2021-04-09 19:59:29 |
Sala Sismica INGV-Roma | 88950281 |
Field | Value |
---|---|
Time (UTC) | 2021-04-09 19:51:50 ± 0.06 |
Latitude | 42.7795 ± 0.0027 |
Longitude | 13.0993 ± 0.0061 |
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 | 88950281 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 517 |
Semi-minor axis of confidence ellipse (meter) | 231 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 88 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.40200 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 88950281 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-09 19:59:29 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.RMP.HHZ. | 2021-04-09T19:52:25.12 | 0.6 | undecidable | manual | S | -0.24 | 1 | |||
IV.TERO.HHZ. | 2021-04-09T19:52:05.24 | 0.6 | undecidable | manual | S | 113 | 44.622 | 50 | -0.27 | 46 |
IV.CESI.HHZ. | 2021-04-09T19:52:01.48 | 0.6 | undecidable | manual | S | 328 | 29.5482 | 50 | -0.01 | 50 |
IV.RM33.EHZ. | 2021-04-09T19:52:01.83 | 0.6 | undecidable | manual | S | 163 | 31.4463 | 50 | -0.16 | 48 |
IV.SMA1.EHN. | 2021-04-09T19:52:00.76 | 0.6 | undecidable | manual | S | 131 | 25.3524 | 50 | 0.4 | 46 |
IV.FDMO.HHZ. | 2021-04-09T19:52:00.84 | 0.6 | undecidable | manual | S | 358 | 28.5492 | 50 | -0.36 | 46 |
IV.TERO.HHZ. | 2021-04-09T19:51:59.28 | 1.0 | undecidable | manual | P | 113 | 44.622 | 50 | -0.06 | 24 |
IV.MMO1.EHZ. | 2021-04-09T19:51:59.30 | 0.6 | undecidable | manual | S | 54 | 22.755 | 114 | -0.26 | 48 |
IV.LNSS.HHZ. | 2021-04-09T19:51:58.32 | 0.6 | undecidable | manual | S | 194 | 20.1687 | 117 | -0.42 | 46 |
IV.RM33.EHZ. | 2021-04-09T19:51:57.17 | 0.6 | positive | manual | P | 163 | 31.4463 | 50 | -0.13 | 48 |
IV.MC2.EHZ. | 2021-04-09T19:51:57.74 | 0.6 | undecidable | manual | S | 26 | 16.3725 | 122 | 0.16 | 49 |
IV.CESI.HHZ. | 2021-04-09T19:51:57.11 | 0.1 | undecidable | manual | P | 328 | 29.5482 | 50 | 0.09 | 98 |
IV.SMA1.EHN. | 2021-04-09T19:51:56.57 | 0.6 | undecidable | manual | P | 131 | 25.3524 | 50 | 0.2 | 48 |
IV.FDMO.HHZ. | 2021-04-09T19:51:56.86 | 0.6 | positive | manual | P | 358 | 28.5492 | 50 | 0 | 50 |
IV.LNSS.HHZ. | 2021-04-09T19:51:55.49 | 1.0 | undecidable | manual | P | 194 | 20.1687 | 117 | 0.06 | 25 |
IV.T1299.EHZ. | 2021-04-09T19:51:55.98 | 0.6 | undecidable | manual | P | 137 | 21.9669 | 115 | 0.22 | 48 |
IV.MMO1.EHZ. | 2021-04-09T19:51:55.94 | 1.0 | negative | manual | P | 54 | 22.755 | 114 | 0.03 | 25 |
IV.GAVE.EHN. | 2021-04-09T19:51:55.63 | 1.0 | undecidable | manual | P | 240 | 19.3695 | 118 | 0.35 | 24 |
IV.MC2.EHZ. | 2021-04-09T19:51:55.03 | 1.0 | undecidable | manual | P | 26 | 16.3725 | 122 | 0.27 | 24 |
IV.NRCA.HHZ. | 2021-04-09T19:51:54.68 | 0.6 | undecidable | manual | S | 11 | 6.0939 | 149 | -0.33 | 48 |
IV.NRCA.HHZ. | 2021-04-09T19:51:53.45 | 0.1 | undecidable | manual | P | 11 | 6.0939 | 149 | 0.17 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:0.7 | 0.00003755 | 0.14 | AML | other | m | 2021-04-09T19:51:59.34 |
IV.LNSS.HHE. | ML:0.7 | 0.000039075504999999996 | 0.1536 | AML | other | m | 2021-04-09T19:51:59.63 |
IV.FDMO.HHE. | ML:0.3 | 0.0000085367405 | 0.1536 | AML | other | m | 2021-04-09T19:52:02.28 |
IV.FDMO.HHN. | ML:0.3 | 0.000011956982 | 0.2048 | AML | other | m | 2021-04-09T19:52:02.94 |
IV.CESI.HHE. | ML:0.5 | 0.00001633095 | 0.0768 | AML | other | m | 2021-04-09T19:52:01.90 |
IV.CESI.HHN. | ML:0.5 | 0.0000146911745 | 0.1024 | AML | other | m | 2021-04-09T19:52:01.99 |
IV.RM33.EHE. | ML:0.5 | 0.000014342498999999998 | 0.6016 | AML | other | m | 2021-04-09T19:52:13.43 |
IV.RM33.EHN. | ML:0.3 | 0.0000105875675 | 0.1664 | AML | other | m | 2021-04-09T19:52:02.19 |
IV.TERO.HHE. | ML:0.2 | 0.000006990445000000001 | 0.1152 | AML | other | m | 2021-04-09T19:52:06.24 |
IV.TERO.HHN. | ML:0.5 | 0.0000112885 | 0.768 | AML | other | m | 2021-04-09T19:52:16.83 |