A magnitude ML 1.1 earthquake occured in region: 9 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8110, 13.1980 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 | 9 | 4957 | 4957 |
Arquata del Tronto | AP | 9 | 1178 | 6135 |
Castelsantangelo sul Nera | MC | 10 | 281 | 6416 |
Montegallo | AP | 12 | 523 | 6939 |
Accumoli | RI | 14 | 667 | 7606 |
Montemonaco | AP | 15 | 604 | 8210 |
Preci | PG | 15 | 724 | 8934 |
Ussita | MC | 16 | 444 | 9378 |
Visso | MC | 16 | 1107 | 10485 |
Acquasanta Terme | AP | 18 | 2916 | 13401 |
Cascia | PG | 18 | 3217 | 16618 |
Montefortino | FM | 19 | 1178 | 17796 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-04-23 14:29:16 |
42.8112 | 13.198 | 11 | 2021-04-23 14:39:07 |
Sala Sismica INGV-Roma | 89400631 |
Field | Value |
---|---|
Time (UTC) | 2021-04-23 14:29:16 ± 0.07 |
Latitude | 42.8112 ± 0.0045 |
Longitude | 13.1980 ± 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 | 89400631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 485 |
Semi-minor axis of confidence ellipse (meter) | 469 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 63 |
Number of associated phases, regardless of their use for origin computation | 42 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35253 |
Number of stations at which the event was observed | 32 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 89400631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-23 14:39:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.CANO.HHZ. | 2021-04-23T14:31:05.12 | 3.0 | undecidable | manual | Sg | 21.49 | 0 | |||
IV.VOBA.EHZ. | 2021-04-23T14:30:41.74 | 3.0 | undecidable | manual | Sg | 14.04 | 0 | |||
SI.BOSI.HHZ. | 2021-04-23T14:30:38.12 | 3.0 | undecidable | manual | Sn | -0.54 | 0 | |||
IV.ZONE.HHZ. | 2021-04-23T14:30:36.07 | 3.0 | undecidable | manual | Sn | 1.82 | 0 | |||
IV.ALJA.HHZ. | 2021-04-23T14:30:34.21 | 3.0 | negative | manual | Pn | 5.05 | 0 | |||
IV.SELL.HHZ. | 2021-04-23T14:30:34.40 | 3.0 | undecidable | manual | Pg | 11.96 | 0 | |||
MN.BNI.HHZ. | 2021-04-23T14:30:27.25 | 3.0 | negative | manual | Pn | 7.37 | 0 | |||
IV.MBAL.EHZ. | 2021-04-23T14:30:26.82 | 3.0 | undecidable | manual | Sn | 1.7 | 0 | |||
IV.CADC.EHZ. | 2021-04-23T14:30:24.59 | 3.0 | undecidable | manual | Sn | -4.07 | 0 | |||
IV.ILOS.HHZ. | 2021-04-23T14:30:19.11 | 3.0 | negative | manual | Pn | -2.97 | 0 | |||
IV.TDS.HHZ. | 2021-04-23T14:30:18.49 | 3.0 | undecidable | manual | Pn | 5.58 | 0 | |||
OT.OT12.EHZ. | 2021-04-23T14:30:17.48 | 3.0 | undecidable | manual | Sn | -3.77 | 0 | |||
IV.MNTV.EHZ. | 2021-04-23T14:30:12.99 | 3.0 | undecidable | manual | Sn | -2.37 | 0 | |||
IV.SARZ.HHZ. | 2021-04-23T14:30:07.88 | 3.0 | positive | manual | Pg | 9.2 | 0 | |||
IV.CMPR.HHZ. | 2021-04-23T14:30:02.77 | 3.0 | undecidable | manual | Pn | 3.2 | 0 | |||
IV.POFI.HHZ. | 2021-04-23T14:29:57.72 | 3.0 | undecidable | manual | Sg | 1.49 | 0 | |||
IV.PTRJ.HNZ. | 2021-04-23T14:29:51.02 | 3.0 | undecidable | manual | Pg | 7.91 | 0 | |||
IV.TREG.EHZ. | 2021-04-23T14:29:50.66 | 3.0 | positive | manual | Pn | 2.66 | 0 | |||
IV.FIR.HHZ. | 2021-04-23T14:29:34.01 | 3.0 | undecidable | manual | Pg | 2.41 | 0 | |||
IV.MF5.EHZ. | 2021-04-23T14:29:27.40 | 0.6 | undecidable | manual | S | 47 | 28.9488 | 50 | 0.94 | 36 |
IV.CESI.HHZ. | 2021-04-23T14:29:27.30 | 0.3 | undecidable | manual | S | 312 | 32.1456 | 50 | -0.01 | 72 |
IV.GAVE.EHZ. | 2021-04-23T14:29:26.44 | 0.3 | undecidable | manual | S | 242 | 28.0497 | 50 | 0.22 | 72 |
IV.CSP1.EHZ. | 2021-04-23T14:29:26.91 | 0.6 | undecidable | manual | S | 1 | 31.1466 | 50 | -0.14 | 48 |
IV.FDMO.HHZ. | 2021-04-23T14:29:25.49 | 0.6 | undecidable | manual | S | 340 | 26.5512 | 50 | -0.34 | 46 |
IV.LNSS.HNZ. | 2021-04-23T14:29:25.90 | 0.6 | undecidable | manual | S | 209 | 26.4513 | 50 | 0.1 | 48 |
IV.MTRA.EHZ. | 2021-04-23T14:29:23.13 | 0.3 | undecidable | manual | S | 110 | 17.2716 | 50 | -0.22 | 71 |
IV.TERO.HHZ. | 2021-04-23T14:29:23.52 | 0.1 | undecidable | manual | P | 122 | 39.1275 | 50 | -0.2 | 91 |
IV.MF5.EHZ. | 2021-04-23T14:29:23.02 | 0.3 | undecidable | manual | P | 47 | 28.9488 | 50 | 0.87 | 57 |
IV.MMO1.EHZ. | 2021-04-23T14:29:22.39 | 0.6 | undecidable | manual | S | 47 | 14.3745 | 127 | -0.13 | 49 |
IV.CSP1.EHZ. | 2021-04-23T14:29:22.15 | 0.1 | undecidable | manual | P | 1 | 31.1466 | 50 | -0.34 | 90 |
IV.CESI.HHZ. | 2021-04-23T14:29:22.46 | 0.1 | undecidable | manual | P | 312 | 32.1456 | 50 | -0.18 | 93 |
IV.MC2.EHZ. | 2021-04-23T14:29:22.07 | 0.6 | undecidable | manual | S | 356 | 11.1777 | 135 | 0.38 | 46 |
IV.LNSS.HNZ. | 2021-04-23T14:29:21.73 | 0.1 | undecidable | manual | P | 209 | 26.4513 | 50 | -0.03 | 95 |
IV.GAVE.EHZ. | 2021-04-23T14:29:21.95 | 0.3 | undecidable | manual | P | 242 | 28.0497 | 50 | -0.06 | 71 |
IV.FDMO.HHZ. | 2021-04-23T14:29:21.55 | 0.1 | undecidable | manual | P | 340 | 26.5512 | 50 | -0.23 | 93 |
IV.SMA1.EHZ. | 2021-04-23T14:29:21.34 | 0.1 | undecidable | manual | P | 151 | 22.9548 | 50 | 0.11 | 98 |
IV.MTRA.EHZ. | 2021-04-23T14:29:20.21 | 0.1 | undecidable | manual | P | 110 | 17.2716 | 50 | -0.14 | 96 |
IV.NRCA.HHZ. | 2021-04-23T14:29:20.92 | 0.3 | undecidable | manual | S | 290 | 7.2927 | 147 | 0.1 | 75 |
IV.NRCA.HHZ. | 2021-04-23T14:29:19.02 | 0.1 | negative | manual | P | 290 | 7.2927 | 147 | 0.13 | 100 |
IV.MMO1.EHZ. | 2021-04-23T14:29:19.81 | 0.1 | undecidable | manual | P | 47 | 14.3745 | 127 | -0.07 | 99 |
IV.MC2.EHZ. | 2021-04-23T14:29:19.43 | 0.1 | undecidable | manual | P | 356 | 11.1777 | 135 | 0.04 | 100 |
IV.ARVD.HHZ. | 2021-04-23T14:29:15.67 | 3.0 | positive | manual | P | 0.29 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.4 | 0.00036750000000000004 | 1.86 | AML | other | m | 2021-04-23T14:29:20.05 |
IV.NRCA.HHE. | ML:1.4 | 0.00034656169999999997 | 0.0576 | AML | other | m | 2021-04-23T14:29:21.05 |
IV.NRCA.HHN. | ML:1.6 | 0.0006295 | 0.12 | AML | other | m | 2021-04-23T14:29:21.46 |
IV.NRCA.HNN. | ML:1.6 | 0.0005840000000000001 | 0.12 | AML | other | m | 2021-04-23T14:29:21.41 |
IV.TERO.HHE. | ML:0.8 | 0.000026930565000000004 | 0.1024 | AML | other | m | 2021-04-23T14:29:29.55 |
IV.TERO.HHN. | ML:0.8 | 0.000021249999999999998 | 1.24 | AML | other | m | 2021-04-23T14:29:30.22 |
IV.MTRA.EHE. | ML:0.9 | 0.00006430151 | 0.2432 | AML | other | m | 2021-04-23T14:29:23.19 |
IV.MTRA.EHN. | ML:0.7 | 0.000041277670000000004 | 0.1408 | AML | other | m | 2021-04-23T14:29:24.71 |
IV.MTRA.HNE. | ML:1.2 | 0.00014116805 | 0.5376 | AML | other | m | 2021-04-23T14:29:33.69 |
IV.MTRA.HNN. | ML:1.3 | 0.000153825365 | 0.7104 | AML | other | m | 2021-04-23T14:29:29.18 |
IV.SMA1.EHE. | ML:0.5 | 0.00002123367 | 0.2432 | AML | other | m | 2021-04-23T14:29:32.83 |
IV.SMA1.EHN. | ML:0.6 | 0.000024069874999999996 | 0.3392 | AML | other | m | 2021-04-23T14:29:28.60 |
IV.GAVE.HNE. | ML:1.3 | 0.00010053313500000001 | 0.6464 | AML | other | m | 2021-04-23T14:29:30.04 |
IV.GAVE.HNN. | ML:1.7 | 0.00024516695 | 0.832 | AML | other | m | 2021-04-23T14:29:37.59 |
IV.GAVE.EHE. | ML:1.0 | 0.000054254860000000005 | 0.3968 | AML | other | m | 2021-04-23T14:29:26.53 |
IV.GAVE.EHN. | ML:0.9 | 0.000043460699999999995 | 0.1408 | AML | other | m | 2021-04-23T14:29:26.93 |
IV.CSP1.EHE. | ML:1.0 | 0.000043528917 | 0.3008 | AML | other | m | 2021-04-23T14:29:27.28 |
IV.CSP1.EHN. | ML:0.8 | 0.000031639350000000004 | 0.3392 | AML | other | m | 2021-04-23T14:29:27.19 |
IV.CESI.HHE. | ML:0.7 | 0.000017966792 | 0.1984 | AML | other | m | 2021-04-23T14:29:27.76 |
IV.CESI.HHN. | ML:0.8 | 0.000030307925 | 0.1024 | AML | other | m | 2021-04-23T14:29:27.56 |
IV.MF5.EHE. | ML:1.0 | 0.000042883676 | 1.44 | AML | other | m | 2021-04-23T14:29:44.28 |
IV.MF5.EHN. | ML:1.3 | 0.00009051076 | 1.5232 | AML | other | m | 2021-04-23T14:29:43.92 |
IV.TERO.HNE. | ML:1.5 | 0.000103944785 | 1.0432 | AML | other | m | 2021-04-23T14:29:56.10 |
IV.TERO.HNN. | ML:1.8 | 0.000198632145 | 0.9088 | AML | other | m | 2021-04-23T14:29:50.13 |