A magnitude ML 1.0 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8140, 13.1340 at 9 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 | 9 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 14 | 1107 | 7069 |
Arquata del Tronto | AP | 14 | 1178 | 8247 |
Cascia | PG | 14 | 3217 | 11464 |
Ussita | MC | 15 | 444 | 11908 |
Accumoli | RI | 16 | 667 | 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 | 20 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-07-04 23:43:21 |
42.8135 | 13.1342 | 9 | 2020-07-04 23:47:06 |
Sala Sismica INGV-Roma | 80784661 |
Field | Value |
---|---|
Time (UTC) | 2020-07-04 23:43:21 ± 0.06 |
Latitude | 42.8135 ± 0.0027 |
Longitude | 13.1342 ± 0.0049 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 80784661 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 423 |
Semi-minor axis of confidence ellipse (meter) | 64 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 304 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 83 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35793 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 80784661 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-07-04 23:47:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARRO.EHZ. | 2020-07-04T23:43:34.75 | 0.3 | undecidable | manual | S | 229 | 39.7269 | 50 | 0.19 | 72 |
IV.MF5.EHZ. | 2020-07-04T23:43:33.28 | 0.3 | undecidable | manual | S | 54 | 32.745 | 50 | 0.58 | 66 |
IV.CSP1.EHZ. | 2020-07-04T23:43:31.97 | 0.6 | undecidable | manual | S | 10 | 31.4463 | 50 | -0.37 | 47 |
IV.EL6.EHZ. | 2020-07-04T23:43:31.49 | 3.0 | positive | manual | P | -0.41 | 0 | |||
IV.CESI.HHZ. | 2020-07-04T23:43:31.43 | 0.3 | undecidable | manual | S | 319 | 28.2495 | 108 | -0.01 | 76 |
IV.FDMO.HHZ. | 2020-07-04T23:43:30.15 | 0.6 | undecidable | manual | S | 351 | 25.0527 | 110 | -0.23 | 49 |
IV.ASSB.HHZ. | 2020-07-04T23:43:30.62 | 3.0 | undecidable | manual | P | 0.48 | 0 | |||
IV.MNTT.EHZ. | 2020-07-04T23:43:30.61 | 3.0 | negative | manual | P | 0.62 | 0 | |||
IV.LNSS.HHZ. | 2020-07-04T23:43:30.11 | 0.6 | undecidable | manual | S | 198 | 24.5532 | 111 | -0.12 | 50 |
IV.GAVE.EHZ. | 2020-07-04T23:43:30.04 | 0.6 | undecidable | manual | S | 236 | 23.754 | 111 | 0.08 | 51 |
IV.TERO.HNZ. | 2020-07-04T23:43:29.94 | 3.0 | undecidable | manual | P | 0.5 | 0 | |||
IV.ARRO.EHZ. | 2020-07-04T23:43:28.65 | 0.6 | undecidable | manual | P | 229 | 39.7269 | 50 | -0.23 | 48 |
IV.MMO1.EHZ. | 2020-07-04T23:43:28.03 | 0.3 | undecidable | manual | S | 59 | 18.3705 | 117 | -0.21 | 74 |
IV.CESI.HHZ. | 2020-07-04T23:43:27.19 | 0.6 | positive | manual | P | 319 | 28.2495 | 108 | 0.12 | 50 |
IV.MF5.EHZ. | 2020-07-04T23:43:27.89 | 1.0 | positive | manual | P | 54 | 32.745 | 50 | 0.09 | 25 |
IV.CSP1.EHZ. | 2020-07-04T23:43:27.36 | 0.1 | positive | manual | P | 10 | 31.4463 | 50 | -0.23 | 97 |
IV.RM33.EHZ. | 2020-07-04T23:43:27.66 | 3.0 | negative | manual | P | -0.26 | 0 | |||
IV.GAVE.EHZ. | 2020-07-04T23:43:26.32 | 0.3 | negative | manual | P | 236 | 23.754 | 111 | 0.1 | 76 |
IV.FDMO.HHZ. | 2020-07-04T23:43:26.33 | 0.3 | positive | manual | P | 351 | 25.0527 | 110 | -0.13 | 75 |
IV.MC2.EHZ. | 2020-07-04T23:43:26.69 | 0.6 | undecidable | manual | S | 22 | 11.7771 | 128 | 0.38 | 49 |
IV.SMA1.EHZ. | 2020-07-04T23:43:26.67 | 1.0 | positive | manual | P | 0.18 | 0.44 | |||
IV.LNSS.HHZ. | 2020-07-04T23:43:26.25 | 0.1 | positive | manual | P | 198 | 24.5532 | 111 | -0.13 | 100 |
IV.MMO1.EHZ. | 2020-07-04T23:43:25.13 | 0.3 | positive | manual | P | 59 | 18.3705 | 117 | -0.1 | 76 |
IV.MTRA.EHZ. | 2020-07-04T23:43:25.81 | 0.3 | undecidable | manual | P | -0.05 | 1.31 | |||
IV.NRCA.HNZ. | 2020-07-04T23:43:24.55 | 0.6 | undecidable | manual | S | 324 | 2.7972 | 164 | 0.06 | 53 |
IV.MC2.EHZ. | 2020-07-04T23:43:24.44 | 0.6 | positive | manual | P | 22 | 11.7771 | 128 | 0.32 | 49 |
IV.NRCA.HNZ. | 2020-07-04T23:43:23.35 | 0.6 | undecidable | manual | P | 324 | 2.7972 | 164 | 0.29 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHE. | ML:1.0 | 0.00006080000000000001 | 1.88 | AML | other | m | 2020-07-04T23:43:29.00 |
IV.MTRA.EHN. | ML:1.0 | 0.00005985 | 1.74 | AML | other | m | 2020-07-04T23:43:30.01 |
IV.FDMO.HHN. | ML:0.8 | 0.000040300000000000004 | 0.8 | AML | other | m | 2020-07-04T23:43:30.45 |
IV.FDMO.HHE. | ML:0.7 | 0.00003175 | 0.96 | AML | other | m | 2020-07-04T23:43:30.48 |
IV.LNSS.HHE. | ML:1.4 | 0.00014000000000000001 | 0.12 | AML | other | m | 2020-07-04T23:43:30.54 |
IV.GAVE.EHN. | ML:1.2 | 0.00008855 | 0.3 | AML | other | m | 2020-07-04T23:43:30.70 |
IV.LNSS.HHN. | ML:1.4 | 0.00016249999999999997 | 0.16 | AML | other | m | 2020-07-04T23:43:30.60 |
IV.GAVE.EHE. | ML:1.2 | 0.0000992 | 0.2 | AML | other | m | 2020-07-04T23:43:31.15 |
IV.CESI.HHE. | ML:0.7 | 0.0000259 | 1.5 | AML | other | m | 2020-07-04T23:43:31.01 |
IV.SMA1.EHE. | ML:0.8 | 0.000039099999999999995 | 0.52 | AML | other | m | 2020-07-04T23:43:32.04 |
IV.SMA1.EHN. | ML:0.9 | 0.00004915 | 0.5 | AML | other | m | 2020-07-04T23:43:34.29 |
IV.TERO.HHN. | ML:1.2 | 0.00004575 | 0.42 | AML | other | m | 2020-07-04T23:43:34.31 |
IV.CESI.HHN. | ML:0.8 | 0.00003165 | 0.9 | AML | other | m | 2020-07-04T23:43:34.92 |
IV.TERO.HHE. | ML:1.0 | 0.0000356 | 0.62 | AML | other | m | 2020-07-04T23:43:45.65 |