A magnitude ML 1.2 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.1330 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Cascia | PG | 14 | 3217 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Visso | MC | 15 | 1107 | 11464 |
Accumoli | RI | 15 | 667 | 12131 |
Ussita | MC | 16 | 444 | 12575 |
Montegallo | AP | 17 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 19 | 117 | 14290 |
Montemonaco | AP | 19 | 604 | 14894 |
Sellano | PG | 19 | 1079 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-04-07 06:45:08 |
42.8037 | 13.1327 | 9 | 2021-04-07 06:51:39 |
Sala Sismica INGV-Roma | 88871761 |
Field | Value |
---|---|
Time (UTC) | 2021-04-07 06:45:08 ± 0.06 |
Latitude | 42.8037 ± 0.0027 |
Longitude | 13.1327 ± 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 | 88871761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 377 |
Semi-minor axis of confidence ellipse (meter) | 170 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 244 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 71 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 24 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41279 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 88871761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-07 06:51:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | 2021-04-07T06:45:24.36 | 0.6 | undecidable | manual | S | 270 | 45.8208 | 50 | 0.28 | 45 |
IV.TERO.HHZ. | 2021-04-07T06:45:22.96 | 0.6 | undecidable | manual | S | 117 | 43.3233 | 50 | -0.46 | 44 |
IV.MF5.EHZ. | 2021-04-07T06:45:21.50 | 0.6 | undecidable | manual | S | 52 | 33.5442 | 50 | 0.7 | 41 |
IV.CSP1.EHZ. | 2021-04-07T06:45:20.38 | 0.3 | undecidable | manual | S | 10 | 32.5452 | 50 | -0.15 | 71 |
IV.CESI.HHZ. | 2021-04-07T06:45:19.21 | 0.6 | undecidable | manual | S | 320 | 29.0487 | 107 | -0.29 | 46 |
IV.FDMO.HHZ. | 2021-04-07T06:45:18.33 | 0.6 | undecidable | manual | S | 352 | 26.0517 | 109 | -0.21 | 47 |
IV.SMA1.EHZ. | 2021-04-07T06:45:18.08 | 0.3 | undecidable | manual | S | 139 | 25.3524 | 110 | -0.2 | 71 |
IV.MTRA.EHZ. | 2021-04-07T06:45:17.02 | 0.6 | undecidable | manual | S | 104 | 22.0668 | 112 | -0.22 | 48 |
IV.T1299.HNZ. | 2021-04-07T06:45:17.70 | 0.6 | undecidable | manual | S | 147 | 22.3554 | 112 | 0.37 | 46 |
IV.MOMA.HHN. | 2021-04-07T06:45:17.64 | 1.0 | undecidable | manual | P | 270 | 45.8208 | 50 | -0.05 | 24 |
IV.LNSS.HHE. | 2021-04-07T06:45:17.74 | 0.3 | undecidable | manual | S | 199 | 23.5542 | 111 | 0.05 | 74 |
IV.TERO.HHZ. | 2021-04-07T06:45:17.13 | 0.6 | undecidable | manual | P | 117 | 43.3233 | 50 | -0.18 | 46 |
IV.ARRO.EHZ. | 2021-04-07T06:45:17.54 | 3.0 | negative | manual | P | 0.54 | 0 | |||
IV.CSP1.EHZ. | 2021-04-07T06:45:15.41 | 1.0 | negative | manual | P | 10 | 32.5452 | 50 | -0.23 | 23 |
IV.MF5.EHZ. | 2021-04-07T06:45:15.85 | 0.1 | undecidable | manual | P | 52 | 33.5442 | 50 | 0.05 | 97 |
IV.SMA1.EHZ. | 2021-04-07T06:45:14.39 | 0.6 | undecidable | manual | P | 139 | 25.3524 | 110 | 0.05 | 49 |
IV.FDMO.HHZ. | 2021-04-07T06:45:14.37 | 1.0 | positive | manual | P | 352 | 26.0517 | 109 | -0.12 | 24 |
IV.MC2.EHZ. | 2021-04-07T06:45:14.72 | 0.6 | undecidable | manual | S | 21 | 12.7761 | 125 | 0.33 | 47 |
IV.CESI.HHZ. | 2021-04-07T06:45:14.84 | 1.0 | negative | manual | P | 320 | 29.0487 | 107 | -0.2 | 24 |
IV.MTRA.EHZ. | 2021-04-07T06:45:13.71 | 0.3 | undecidable | manual | P | 104 | 22.0668 | 112 | -0.03 | 74 |
IV.T1299.HNZ. | 2021-04-07T06:45:13.95 | 0.6 | undecidable | manual | P | 147 | 22.3554 | 112 | 0.16 | 48 |
IV.LNSS.HHE. | 2021-04-07T06:45:13.93 | 0.6 | undecidable | manual | P | 199 | 23.5542 | 111 | -0.07 | 49 |
IV.MC2.EHZ. | 2021-04-07T06:45:12.42 | 1.0 | negative | manual | P | 21 | 12.7761 | 125 | 0.33 | 24 |
IV.NRCA.HNZ. | 2021-04-07T06:45:12.18 | 0.6 | undecidable | manual | S | 336 | 3.5964 | 158 | -0.16 | 50 |
IV.NRCA.HNZ. | 2021-04-07T06:45:11.05 | 0.1 | negative | manual | P | 336 | 3.5964 | 158 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.8 | 0.00109 | 0.14 | AML | other | m | 2021-04-07T06:45:12.20 |
IV.NRCA.HNE. | ML:1.8 | 0.0010899999999999998 | 0.14 | AML | other | m | 2021-04-07T06:45:12.20 |
IV.NRCA.HHN. | ML:1.8 | 0.00118116675 | 0.08 | AML | other | m | 2021-04-07T06:45:12.20 |
IV.NRCA.HNN. | ML:1.7 | 0.000986 | 0.08 | AML | other | m | 2021-04-07T06:45:12.20 |
IV.MTRA.EHE. | ML:1.1 | 0.00007801938 | 0.48 | AML | other | m | 2021-04-07T06:45:22.32 |
IV.MTRA.EHN. | ML:1.0 | 0.000066228595 | 0.1792 | AML | other | m | 2021-04-07T06:45:17.85 |
IV.MTRA.HNE. | ML:1.3 | 0.000134127615 | 0.6208 | AML | other | m | 2021-04-07T06:45:16.41 |
IV.MTRA.HNN. | ML:1.2 | 0.00010825002 | 0.3808 | AML | other | m | 2021-04-07T06:45:22.09 |
IV.FDMO.HHE. | ML:0.7 | 0.00003133722 | 1.0624 | AML | other | m | 2021-04-07T06:45:15.54 |
IV.FDMO.HHN. | ML:0.6 | 0.0000218350485 | 44.4192 | AML | other | m | 2021-04-07T06:45:14.17 |
IV.CESI.HNE. | ML:1.4 | 0.00013145175 | 0.4416 | AML | other | m | 2021-04-07T06:45:21.46 |
IV.CESI.HNN. | ML:1.5 | 0.0001738789 | 0.7904 | AML | other | m | 2021-04-07T06:45:20.65 |
IV.CESI.HHE. | ML:0.7 | 0.000026686046500000002 | 0.2016 | AML | other | m | 2021-04-07T06:45:19.76 |
IV.CESI.HHN. | ML:0.8 | 0.000027716475 | 0.1984 | AML | other | m | 2021-04-07T06:45:20.77 |
IV.CSP1.EHE. | ML:1.5 | 0.00013662691500000002 | 1.2768 | AML | other | m | 2021-04-07T06:45:17.64 |
IV.CSP1.EHN. | ML:1.5 | 0.0001354001 | 0.8576 | AML | other | m | 2021-04-07T06:45:24.54 |
IV.MF5.EHE. | ML:1.7 | 0.0002084241 | 1.5008 | AML | other | m | 2021-04-07T06:45:23.86 |
IV.MF5.EHN. | ML:1.6 | 0.00018394925000000001 | 1.9808 | AML | other | m | 2021-04-07T06:45:16.02 |
IV.TERO.HHE. | ML:0.8 | 0.00001845654 | 0.7808 | AML | other | m | 2021-04-07T06:45:36.56 |
IV.TERO.HHN. | ML:0.7 | 0.00001699527 | 0.1216 | AML | other | m | 2021-04-07T06:45:23.15 |
IV.TERO.HNE. | ML:1.6 | 0.0001294239 | 0.8512 | AML | other | m | 2021-04-07T06:45:34.27 |
IV.TERO.HNN. | ML:1.6 | 0.0001411179 | 0.9216 | AML | other | m | 2021-04-07T06:45:37.54 |
IV.ARRO.EHE. | ML:1.1 | 0.00004890712 | 0.2784 | AML | other | m | 2021-04-07T06:45:27.70 |
IV.ARRO.EHN. | ML:1.1 | 0.00004307896 | 0.3392 | AML | other | m | 2021-04-07T06:45:25.12 |