A magnitude ML 1.5 earthquake occured in region: 8 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7770, 13.1900 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 |
---|---|---|---|---|
Norcia | PG | 8 | 4957 | 4957 |
Arquata del Tronto | AP | 9 | 1178 | 6135 |
Accumoli | RI | 10 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 14 | 281 | 7083 |
Montegallo | AP | 14 | 523 | 7606 |
Cascia | PG | 16 | 3217 | 10823 |
Preci | PG | 17 | 724 | 11547 |
Montemonaco | AP | 18 | 604 | 12151 |
Cittareale | RI | 18 | 482 | 12633 |
Acquasanta Terme | AP | 18 | 2916 | 15549 |
Amatrice | RI | 18 | 2657 | 18206 |
Visso | MC | 19 | 1107 | 19313 |
Ussita | MC | 19 | 444 | 19757 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.5 | 2021-04-21 07:48:19 |
42.7773 | 13.1895 | 11 | 2021-07-12 16:55:11 |
Bollettino Sismico Italiano INGV | 90228851 |
Reviewed Rev100 |
ML 1.5 | 2021-04-21 07:48:19 |
42.7787 | 13.1783 | 10 | 2021-04-21 07:52:28 |
Sala Sismica INGV-Roma | 89321051 |
Field | Value |
---|---|
Time (UTC) | 2021-04-21 07:48:19 ± 0.05 |
Latitude | 42.7773 ± 0.0027 |
Longitude | 13.1895 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90228851 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 294 |
Semi-minor axis of confidence ellipse (meter) | 183 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 60 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 55 |
Number of associated phases, regardless of their use for origin computation | 43 |
Number of defining phases | 39 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47035 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 20 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 32 |
Type of magnitude | ML |
Reference to an origin | 89321051 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-21 07:52:28 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | 30 |
Type of magnitude | ML |
Reference to an origin | 90228851 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-18 12:31:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.NARO.HHZ. | 2021-04-21T07:48:49.94 | 3.0 | undecidable | manual | S | -0.49 | 0 | |||
IV.EL6.EHZ. | 2021-04-21T07:48:39.39 | 3.0 | undecidable | manual | S | -0.25 | 0 | |||
IV.ASSB.HHZ. | 2021-04-21T07:48:36.22 | 0.6 | undecidable | manual | S | 304 | 52.2033 | 50 | 0.16 | 46 |
IV.ARRO.EHZ. | 2021-04-21T07:48:33.51 | 0.6 | undecidable | manual | S | 238 | 40.9257 | 50 | 0.46 | 44 |
IV.CESI.HHZ. | 2021-04-21T07:48:31.08 | 0.6 | undecidable | manual | S | 318 | 34.2435 | 50 | -0.19 | 47 |
IV.TERO.HHZ. | 2021-04-21T07:48:31.85 | 0.3 | undecidable | manual | S | 117 | 37.9287 | 50 | -0.38 | 67 |
IV.MF5.EHZ. | 2021-04-21T07:48:31.53 | 0.3 | undecidable | manual | S | 43 | 32.0457 | 50 | 0.85 | 57 |
IV.CSP1.EHZ. | 2021-04-21T07:48:31.37 | 0.3 | undecidable | manual | S | 2 | 34.9428 | 50 | -0.07 | 72 |
IV.GUMA.HHZ. | 2021-04-21T07:48:31.76 | 0.6 | undecidable | manual | S | 20 | 33.8439 | 50 | 0.62 | 42 |
IV.EL6.EHZ. | 2021-04-21T07:48:30.55 | 3.0 | undecidable | manual | P | 0 | 0 | |||
IV.RM33.EHZ. | 2021-04-21T07:48:30.14 | 0.6 | undecidable | manual | S | 176 | 29.8479 | 50 | 0.06 | 49 |
IV.CAMP.HHZ. | 2021-04-21T07:48:30.78 | 0.6 | undecidable | manual | S | 146 | 32.2455 | 50 | 0.06 | 48 |
IV.GAVE.EHZ. | 2021-04-21T07:48:29.05 | 0.3 | undecidable | manual | S | 249 | 25.8519 | 50 | 0.03 | 74 |
IV.FDMO.HHZ. | 2021-04-21T07:48:29.88 | 0.6 | undecidable | manual | S | 344 | 29.9478 | 50 | -0.23 | 47 |
IT.MTCL.HGZ. | 2021-04-21T07:48:29.41 | 0.3 | undecidable | manual | S | 327 | 28.5492 | 50 | -0.34 | 69 |
IV.ASSB.HHZ. | 2021-04-21T07:48:29.09 | 3.0 | undecidable | manual | P | 304 | 52.2033 | 50 | -0.02 | 0 |
IV.FEMA.HNE. | 2021-04-21T07:48:28.34 | 0.3 | undecidable | manual | S | 331 | 23.4543 | 50 | -0.04 | 74 |
IV.LNSS.HHZ. | 2021-04-21T07:48:28.26 | 0.3 | undecidable | manual | S | 212 | 22.8549 | 50 | 0.04 | 74 |
IV.SMA1.EHZ. | 2021-04-21T07:48:27.28 | 0.3 | undecidable | manual | S | 144 | 20.1687 | 50 | -0.22 | 72 |
IV.ARRO.EHZ. | 2021-04-21T07:48:27.51 | 0.3 | positive | manual | P | 238 | 40.9257 | 50 | 0.13 | 70 |
IV.T1299.HNN. | 2021-04-21T07:48:27.09 | 0.6 | undecidable | manual | S | 154 | 17.5713 | 122 | 0.29 | 47 |
IV.MTRA.EHZ. | 2021-04-21T07:48:26.32 | 0.6 | undecidable | manual | S | 98 | 16.9719 | 123 | -0.32 | 47 |
IV.GUMA.HHZ. | 2021-04-21T07:48:26.58 | 0.1 | negative | manual | P | 20 | 33.8439 | 50 | 0.31 | 92 |
IV.MMO1.EHZ. | 2021-04-21T07:48:26.56 | 0.6 | undecidable | manual | S | 39 | 17.5713 | 122 | -0.24 | 48 |
IV.CESI.HHZ. | 2021-04-21T07:48:26.23 | 0.1 | negative | manual | P | 318 | 34.2435 | 50 | -0.12 | 95 |
IV.TERO.HHZ. | 2021-04-21T07:48:26.77 | 0.1 | undecidable | manual | P | 117 | 37.9287 | 50 | -0.14 | 94 |
IV.MF5.EHZ. | 2021-04-21T07:48:26.35 | 1.0 | negative | manual | P | 43 | 32.0457 | 50 | 0.34 | 23 |
IV.MC2.EHZ. | 2021-04-21T07:48:26.23 | 0.3 | undecidable | manual | S | 360 | 14.874 | 126 | 0.2 | 73 |
IV.CSP1.EHZ. | 2021-04-21T07:48:26.36 | 0.1 | negative | manual | P | 2 | 34.9428 | 50 | -0.09 | 96 |
IV.CAMP.HHZ. | 2021-04-21T07:48:25.89 | 0.6 | negative | manual | P | 146 | 32.2455 | 50 | -0.14 | 48 |
IV.GAVE.EHZ. | 2021-04-21T07:48:25.03 | 0.6 | positive | manual | P | 249 | 25.8519 | 50 | -0.02 | 49 |
IV.FDMO.HHZ. | 2021-04-21T07:48:25.47 | 0.1 | undecidable | manual | P | 344 | 29.9478 | 50 | -0.21 | 94 |
IT.MTCL.HGZ. | 2021-04-21T07:48:25.22 | 0.1 | undecidable | manual | P | 327 | 28.5492 | 50 | -0.25 | 94 |
IV.RM33.EHZ. | 2021-04-21T07:48:25.75 | 0.1 | undecidable | manual | P | 176 | 29.8479 | 50 | 0.09 | 97 |
IV.LNSS.HHZ. | 2021-04-21T07:48:24.57 | 1.0 | undecidable | manual | P | 212 | 22.8549 | 50 | -0.02 | 25 |
IV.FEMA.HNE. | 2021-04-21T07:48:24.59 | 0.1 | undecidable | manual | P | 331 | 23.4543 | 50 | -0.09 | 98 |
IV.NRCA.HNZ. | 2021-04-21T07:48:24.34 | 0.6 | undecidable | manual | S | 316 | 8.7801 | 141 | -0.14 | 49 |
IV.SMA1.EHZ. | 2021-04-21T07:48:24.15 | 0.1 | undecidable | manual | P | 144 | 20.1687 | 50 | -0.02 | 100 |
IV.MC2.EHZ. | 2021-04-21T07:48:23.44 | 0.1 | undecidable | manual | P | 360 | 14.874 | 126 | 0.12 | 99 |
IV.T1299.HNN. | 2021-04-21T07:48:23.95 | 0.1 | undecidable | manual | P | 154 | 17.5713 | 122 | 0.18 | 97 |
IV.MTRA.EHZ. | 2021-04-21T07:48:23.61 | 0.1 | undecidable | manual | P | 98 | 16.9719 | 123 | -0.06 | 99 |
IV.MMO1.EHZ. | 2021-04-21T07:48:23.71 | 0.1 | undecidable | manual | P | 39 | 17.5713 | 122 | -0.05 | 99 |
IV.NRCA.HNZ. | 2021-04-21T07:48:22.54 | 0.1 | undecidable | manual | P | 316 | 8.7801 | 141 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.9 | 0.001095 | 0.14 | AML | other | m | 2021-04-21T07:48:24.46 |
IV.NRCA.HNE. | ML:1.8 | 0.000825 | 0.68 | AML | other | m | 2021-04-21T07:48:24.52 |
IV.NRCA.HHE. | ML:1.8 | 0.000844 | 0.7 | AML | other | m | 2021-04-21T07:48:24.51 |
IV.NRCA.HNN. | ML:1.9 | 0.001052 | 0.86 | AML | other | m | 2021-04-21T07:48:25.46 |
IV.MTRA.EHN. | ML:1.4 | 0.0002365 | 0.22 | AML | other | m | 2021-04-21T07:48:26.41 |
IV.MTRA.EHE. | ML:1.5 | 0.00028300000000000005 | 0.22 | AML | other | m | 2021-04-21T07:48:27.13 |
IV.SMA1.EHN. | ML:1.3 | 0.00013450000000000002 | 0.12 | AML | other | m | 2021-04-21T07:48:27.57 |
IV.SMA1.EHE. | ML:1.4 | 0.00015949999999999997 | 0.34 | AML | other | m | 2021-04-21T07:48:27.64 |
IV.LNSS.HHE. | ML:1.8 | 0.000356 | 0.12 | AML | other | m | 2021-04-21T07:48:28.42 |
IV.LNSS.HHN. | ML:1.7 | 0.0003505 | 0.74 | AML | other | m | 2021-04-21T07:48:28.45 |
IV.GAVE.EHN. | ML:1.4 | 0.00015050000000000003 | 1.8 | AML | other | m | 2021-04-21T07:48:29.06 |
IV.GAVE.EHE. | ML:1.4 | 0.0001323 | 1.4 | AML | other | m | 2021-04-21T07:48:29.29 |
IV.FDMO.HHN. | ML:1.2 | 0.000077 | 0.36 | AML | other | m | 2021-04-21T07:48:30.08 |
IV.FDMO.HHE. | ML:1.2 | 0.00007275 | 0.18 | AML | other | m | 2021-04-21T07:48:30.10 |
IV.RM33.EHE. | ML:1.4 | 0.0001144 | 0.54 | AML | other | m | 2021-04-21T07:48:30.50 |
IV.RM33.EHN. | ML:1.3 | 0.0000981 | 0.14 | AML | other | m | 2021-04-21T07:48:30.78 |
IV.CAMP.HHN. | ML:0.9 | 0.0000349 | 1.64 | AML | other | m | 2021-04-21T07:48:30.88 |
IV.CESI.HHE. | ML:1.3 | 0.00008510000000000001 | 0.9 | AML | other | m | 2021-04-21T07:48:31.05 |
IV.CAMP.HHE. | ML:0.8 | 0.000024449999999999998 | 0.64 | AML | other | m | 2021-04-21T07:48:31.60 |
IV.CSP1.EHN. | ML:1.9 | 0.00033899999999999995 | 0.3 | AML | other | m | 2021-04-21T07:48:31.76 |
IV.CESI.HHN. | ML:1.5 | 0.0001395 | 0.18 | AML | other | m | 2021-04-21T07:48:31.89 |
IV.GUMA.HHE. | ML:2.4 | 0.0009605 | 0.24 | AML | other | m | 2021-04-21T07:48:32.22 |
IV.GUMA.HHN. | ML:2.1 | 0.0005585 | 0.72 | AML | other | m | 2021-04-21T07:48:32.54 |
IV.TERO.HHE. | ML:1.5 | 0.00010449999999999999 | 0.68 | AML | other | m | 2021-04-21T07:48:32.63 |
IV.TERO.HHN. | ML:1.8 | 0.00020500000000000002 | 0.08 | AML | other | m | 2021-04-21T07:48:32.67 |
IV.CSP1.EHE. | ML:1.7 | 0.0002185 | 0.66 | AML | other | m | 2021-04-21T07:48:32.39 |
IV.ARRO.EHN. | ML:1.0 | 0.00003344999999999999 | 0.18 | AML | other | m | 2021-04-21T07:48:34.73 |
IV.ARRO.EHE. | ML:1.0 | 0.00003315 | 0.8 | AML | other | m | 2021-04-21T07:48:34.33 |
IV.ASSB.HHE. | ML:1.2 | 0.000039599999999999994 | 1.3 | AML | other | m | 2021-04-21T07:48:37.18 |
IV.ASSB.HHN. | ML:1.4 | 0.0000609 | 0.18 | AML | other | m | 2021-04-21T07:48:37.60 |