A magnitude ML 1.6 earthquake occured in region: 8 km E Cascia (PG), on
and geographic coordinates (lat, lon) 42.6940, 13.1040 at 11 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 |
---|---|---|---|---|
Cascia | PG | 8 | 3217 | 3217 |
Cittareale | RI | 10 | 482 | 3699 |
Norcia | PG | 11 | 4957 | 8656 |
Accumoli | RI | 12 | 667 | 9323 |
Monteleone di Spoleto | PG | 13 | 599 | 9922 |
Poggiodomo | PG | 14 | 117 | 10039 |
Amatrice | RI | 17 | 2657 | 12696 |
Arquata del Tronto | AP | 18 | 1178 | 13874 |
Leonessa | RI | 19 | 2435 | 16309 |
Posta | RI | 19 | 694 | 17003 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-04-22 15:24:16 |
42.6938 | 13.1038 | 11 | 2021-07-12 16:55:16 |
Bollettino Sismico Italiano INGV | 91712471 |
Reviewed Rev100 |
ML 1.5 | 2021-04-22 15:24:16 |
42.6955 | 13.1052 | 10 | 2021-04-22 15:32:20 |
Sala Sismica INGV-Roma | 89363681 |
Field | Value |
---|---|
Time (UTC) | 2021-04-22 15:24:16 ± 0.03 |
Latitude | 42.6938 ± 0.0018 |
Longitude | 13.1038 ± 0.0049 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 91712471 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 380 |
Semi-minor axis of confidence ellipse (meter) | 250 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
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) | 38 |
Number of associated phases, regardless of their use for origin computation | 36 |
Number of defining phases | 36 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.10252 |
Epicentral distance of station farthest from the epicenter (degree) | 0.63492 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 45 |
Type of magnitude | ML |
Reference to an origin | 91712471 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-06-22 14:27:00 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 35 |
Type of magnitude | ML |
Reference to an origin | 89363681 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-22 15:32:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-04-22T15:24:31.64 | 0.6 | undecidable | manual | S | 11 | 44.9217 | 90 | 0.4 | 44 |
IV.TERO.HHZ. | 2021-04-22T15:24:30.02 | 0.6 | undecidable | manual | S | 101 | 41.5251 | 90 | -0.32 | 45 |
IV.FDMO.HHZ. | 2021-04-22T15:24:29.41 | 0.6 | undecidable | manual | S | 358 | 38.0286 | 90 | 0.01 | 48 |
IV.CESI.HHZ. | 2021-04-22T15:24:29.60 | 0.6 | undecidable | manual | S | 335 | 38.1285 | 90 | 0.17 | 47 |
IV.EL6.EHZ. | 2021-04-22T15:24:29.10 | 0.3 | undecidable | manual | P | 360 | 70.4739 | 90 | 0.02 | 68 |
IV.MMO1.EHZ. | 2021-04-22T15:24:27.07 | 0.6 | undecidable | manual | S | 38 | 29.1486 | 90 | 0.04 | 49 |
IV.ARRO.EHZ. | 2021-04-22T15:24:27.21 | 0.6 | undecidable | manual | S | 245 | 30.3474 | 90 | -0.15 | 48 |
IV.CAMP.HHE. | 2021-04-22T15:24:27.14 | 0.6 | undecidable | manual | S | 125 | 30.4473 | 90 | -0.24 | 47 |
IV.FEMA.HNZ. | 2021-04-22T15:24:27.37 | 0.6 | undecidable | manual | S | 352 | 30.0477 | 90 | 0.09 | 49 |
IV.ASSB.HHZ. | 2021-04-22T15:24:26.36 | 0.3 | undecidable | manual | P | 317 | 53.0025 | 90 | -0.02 | 71 |
IV.MC2.EHZ. | 2021-04-22T15:24:26.29 | 0.6 | undecidable | manual | S | 16 | 25.1526 | 90 | 0.34 | 47 |
IV.MTRA.EHZ. | 2021-04-22T15:24:25.56 | 0.6 | undecidable | manual | S | 74 | 24.8529 | 90 | -0.32 | 46 |
IV.MOMA.HHZ. | 2021-04-22T15:24:25.24 | 0.3 | undecidable | manual | P | 286 | 45.1215 | 90 | 0.07 | 71 |
IV.CSP1.EHZ. | 2021-04-22T15:24:25.11 | 0.1 | undecidable | manual | P | 11 | 44.9217 | 90 | -0.02 | 95 |
IV.FIAM.HHZ. | 2021-04-22T15:24:25.24 | 0.3 | undecidable | manual | P | 179 | 47.2194 | 90 | -0.26 | 68 |
IV.RM33.EHZ. | 2021-04-22T15:24:25.13 | 0.6 | undecidable | manual | S | 156 | 22.4553 | 90 | -0.1 | 49 |
IV.TERO.HHZ. | 2021-04-22T15:24:24.44 | 0.3 | undecidable | manual | P | 101 | 41.5251 | 90 | -0.17 | 70 |
IV.SMA1.EHZ. | 2021-04-22T15:24:24.72 | 0.6 | undecidable | manual | S | 110 | 20.1687 | 90 | 0.09 | 49 |
IV.FDMO.HHZ. | 2021-04-22T15:24:24.02 | 0.1 | undecidable | manual | P | 358 | 38.0286 | 90 | -0.05 | 96 |
IV.CESI.HHZ. | 2021-04-22T15:24:24.13 | 0.3 | undecidable | manual | P | 335 | 38.1285 | 90 | 0.04 | 72 |
IV.GAVE.EHZ. | 2021-04-22T15:24:23.71 | 0.6 | undecidable | manual | S | 269 | 17.0718 | 90 | -0.1 | 50 |
IV.FEMA.HNZ. | 2021-04-22T15:24:23.49 | 0.6 | undecidable | manual | P | 352 | 30.0477 | 90 | 0.64 | 42 |
IV.NRCA.HNZ. | 2021-04-22T15:24:23.14 | 0.6 | undecidable | manual | S | 3 | 15.4734 | 90 | -0.25 | 48 |
IV.T1299.HNZ. | 2021-04-22T15:24:23.59 | 0.6 | undecidable | manual | S | 114 | 15.9729 | 90 | 0.07 | 50 |
IV.ARRO.EHZ. | 2021-04-22T15:24:22.95 | 0.3 | undecidable | manual | P | 245 | 30.3474 | 90 | 0.05 | 73 |
IV.CAMP.HHE. | 2021-04-22T15:24:22.73 | 0.1 | undecidable | manual | P | 125 | 30.4473 | 90 | -0.18 | 95 |
IV.MC2.EHZ. | 2021-04-22T15:24:22.09 | 0.1 | undecidable | manual | P | 16 | 25.1526 | 90 | 0.01 | 99 |
IV.LNSS.HHZ. | 2021-04-22T15:24:22.31 | 0.6 | undecidable | manual | S | 207 | 11.3775 | 112 | 0.01 | 50 |
IV.MTRA.EHZ. | 2021-04-22T15:24:22.08 | 0.3 | undecidable | manual | P | 74 | 24.8529 | 90 | 0.04 | 74 |
IV.MMO1.EHZ. | 2021-04-22T15:24:22.70 | 0.1 | undecidable | manual | P | 38 | 29.1486 | 90 | 0 | 98 |
IV.RM33.EHZ. | 2021-04-22T15:24:21.57 | 0.1 | positive | manual | P | 156 | 22.4553 | 90 | -0.09 | 98 |
IV.SMA1.EHZ. | 2021-04-22T15:24:21.41 | 0.1 | undecidable | manual | P | 110 | 20.1687 | 90 | 0.09 | 98 |
IV.NRCA.HNZ. | 2021-04-22T15:24:20.55 | 0.1 | undecidable | manual | P | 3 | 15.4734 | 90 | -0.05 | 100 |
IV.T1299.HNZ. | 2021-04-22T15:24:20.83 | 0.1 | undecidable | manual | P | 114 | 15.9729 | 90 | 0.15 | 98 |
IV.GAVE.EHZ. | 2021-04-22T15:24:20.87 | 0.1 | undecidable | manual | P | 269 | 17.0718 | 90 | 0.03 | 100 |
IV.LNSS.HHZ. | 2021-04-22T15:24:20.12 | 0.1 | undecidable | manual | P | 207 | 11.3775 | 112 | 0.15 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HNN. | ML:2.0 | 0.0010334972499999998 | 0.1536 | AML | other | m | 2021-04-22T15:24:22.55 |
IV.LNSS.HHN. | ML:2.0 | 0.0012088625 | 0.1536 | AML | other | m | 2021-04-22T15:24:22.55 |
IV.LNSS.HHE. | ML:2.1 | 0.0014613144999999998 | 0.1664 | AML | other | m | 2021-04-22T15:24:22.69 |
IV.LNSS.HNE. | ML:2.1 | 0.001345 | 0.16 | AML | other | m | 2021-04-22T15:24:22.70 |
IV.NRCA.HHN. | ML:1.8 | 0.0005539188 | 0.1024 | AML | other | m | 2021-04-22T15:24:23.37 |
IV.NRCA.HNN. | ML:1.7 | 0.00046926769999999996 | 0.1024 | AML | other | m | 2021-04-22T15:24:23.37 |
IV.NRCA.HNE. | ML:1.9 | 0.0006975 | 0.66 | AML | other | m | 2021-04-22T15:24:23.41 |
IV.NRCA.HHE. | ML:1.9 | 0.000763 | 0.1 | AML | other | m | 2021-04-22T15:24:23.79 |
IV.GAVE.EHN. | ML:1.8 | 0.00056435035 | 0.192 | AML | other | m | 2021-04-22T15:24:24.06 |
IV.GAVE.HNE. | ML:1.9 | 0.00061740625 | 0.1408 | AML | other | m | 2021-04-22T15:24:24.47 |
IV.GAVE.EHE. | ML:1.8 | 0.0005695 | 0.14 | AML | other | m | 2021-04-22T15:24:24.48 |
IV.GAVE.HNN. | ML:1.4 | 0.00022153984999999997 | 0.256 | AML | other | m | 2021-04-22T15:24:25.20 |
IV.SMA1.EHN. | ML:1.6 | 0.0003125 | 1.24 | AML | other | m | 2021-04-22T15:24:25.84 |
IV.SMA1.EHE. | ML:1.6 | 0.00025333835 | 0.1792 | AML | other | m | 2021-04-22T15:24:25.34 |
IV.RM33.EHE. | ML:1.4 | 0.000174 | 0.24 | AML | other | m | 2021-04-22T15:24:25.43 |
IV.RM33.HNN. | ML:1.7 | 0.00029736325 | 0.1408 | AML | other | m | 2021-04-22T15:24:25.52 |
IV.RM33.EHN. | ML:1.7 | 0.00029815740000000004 | 0.1408 | AML | other | m | 2021-04-22T15:24:25.59 |
IV.MTRA.EHN. | ML:1.4 | 0.000134 | 1.78 | AML | other | m | 2021-04-22T15:24:25.89 |
IV.RM33.HNE. | ML:1.4 | 0.000180694325 | 0.1408 | AML | other | m | 2021-04-22T15:24:26.87 |
IV.MTRA.EHE. | ML:1.4 | 0.000140585165 | 0.2816 | AML | other | m | 2021-04-22T15:24:26.84 |
IV.MTRA.HNE. | ML:1.4 | 0.00012979014999999999 | 0.2432 | AML | other | m | 2021-04-22T15:24:26.84 |
IV.TERO.HNE. | ML:1.5 | 0.00009861247349999999 | 1.3728 | AML | other | m | 2021-04-22T15:24:26.24 |
IV.MOMA.HNE. | ML:1.5 | 0.00008386017 | 1.2704 | AML | other | m | 2021-04-22T15:24:27.73 |
IV.FIAM.HNN. | ML:1.8 | 0.0001545431 | 0.9984 | AML | other | m | 2021-04-22T15:24:30.21 |
IV.FIAM.HNE. | ML:3.0 | 0.0031791040000000003 | 0.2144 | AML | other | m | 2021-04-22T15:24:30.28 |
IV.FDMO.HHN. | ML:1.5 | 0.0001123309 | 0.2432 | AML | other | m | 2021-04-22T15:24:30.42 |
IV.CESI.HNN. | ML:1.8 | 0.00023267699999999998 | 0.2304 | AML | other | m | 2021-04-22T15:24:30.42 |
IV.CESI.HHN. | ML:1.8 | 0.00021949999999999997 | 0.22 | AML | other | m | 2021-04-22T15:24:30.31 |
IV.CESI.HHE. | ML:1.3 | 0.00007359713000000002 | 0.2048 | AML | other | m | 2021-04-22T15:24:30.33 |
IV.TERO.HHN. | ML:1.3 | 0.00006291798 | 0.064 | AML | other | m | 2021-04-22T15:24:30.59 |
IV.FDMO.HHE. | ML:1.5 | 0.00010262573499999999 | 0.128 | AML | other | m | 2021-04-22T15:24:30.66 |
IV.TERO.HHE. | ML:1.2 | 0.00005545037 | 1.808 | AML | other | m | 2021-04-22T15:24:30.03 |
IV.MOMA.HHE. | ML:1.3 | 0.000057010985 | 0.1664 | AML | other | m | 2021-04-22T15:24:32.34 |
IV.CSP1.EHE. | ML:1.9 | 0.000245 | 0.28 | AML | other | m | 2021-04-22T15:24:32.79 |
IV.CSP1.EHN. | ML:1.9 | 0.0002255 | 1.66 | AML | other | m | 2021-04-22T15:24:33.03 |
IV.MOMA.HHN. | ML:1.3 | 0.00005509866 | 0.2688 | AML | other | m | 2021-04-22T15:24:33.46 |
IV.FIAM.HHE. | ML:1.1 | 0.000034450000000000004 | 0.72 | AML | other | m | 2021-04-22T15:24:33.48 |
IV.FIAM.HHN. | ML:1.0 | 0.00002732078 | 0.2048 | AML | other | m | 2021-04-22T15:24:33.59 |
IV.MTRA.HNN. | ML:1.4 | 0.0001302463 | 0.448 | AML | other | m | 2021-04-22T15:24:33.28 |
IV.ASSB.HHN. | ML:1.6 | 0.00008829999999999999 | 0.54 | AML | other | m | 2021-04-22T15:24:35.66 |
IV.ASSB.HHE. | ML:1.4 | 0.000058223405 | 1.8976 | AML | other | m | 2021-04-22T15:24:36.00 |
IV.TERO.HNN. | ML:1.6 | 0.000117807895 | 0.8192 | AML | other | m | 2021-04-22T15:24:39.60 |
IV.EL6.EHN. | ML:1.5 | 0.0000479805 | 1.7696 | AML | other | m | 2021-04-22T15:24:40.92 |
IV.EL6.EHE. | ML:1.5 | 0.000055840838999999996 | 0.2432 | AML | other | m | 2021-04-22T15:24:42.19 |
IV.MOMA.HNN. | ML:1.7 | 0.00013412962 | 0.768 | AML | other | m | 2021-04-22T15:24:43.15 |