A magnitude ML 1.8 earthquake occured in region: 4 km N Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8540, 12.9300 at 10 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 4 | 1075 | 1075 |
Sellano | PG | 4 | 1079 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 11 | 364 | 3242 |
Campello sul Clitunno | PG | 13 | 2442 | 5684 |
Norcia | PG | 15 | 4957 | 10641 |
Trevi | PG | 15 | 8469 | 19110 |
Sant'Anatolia di Narco | PG | 15 | 564 | 19674 |
Visso | MC | 16 | 1107 | 20781 |
Poggiodomo | PG | 16 | 117 | 20898 |
Cascia | PG | 17 | 3217 | 24115 |
Monte Cavallo | MC | 17 | 145 | 24260 |
Scheggino | PG | 18 | 461 | 24721 |
Castelsantangelo sul Nera | MC | 19 | 281 | 25002 |
Ussita | MC | 20 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-05-19 02:49:44 |
42.854 | 12.9303 | 10 | 2021-12-29 11:12:00 |
Bollettino Sismico Italiano INGV | 90339231 |
Reviewed Rev100 |
ML 1.8 | 2021-05-19 02:49:44 |
42.8535 | 12.9285 | 9 | 2021-05-19 02:54:38 |
Sala Sismica INGV-Roma | 90245261 |
Field | Value |
---|---|
Time (UTC) | 2021-05-19 02:49:44 ± 0.06 |
Latitude | 42.8540 ± 0.0027 |
Longitude | 12.9303 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90339231 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 364 |
Semi-minor axis of confidence ellipse (meter) | 199 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
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 | 44 |
Number of defining phases | 41 |
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) | 0.64391 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 23 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 34 |
Type of magnitude | ML |
Reference to an origin | 90245261 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-19 02:54:38 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 34 |
Type of magnitude | ML |
Reference to an origin | 90339231 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-21 15:19:34 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CASP.HHZ. | 2021-05-19T02:50:34.04 | 3.0 | undecidable | manual | S | 2.83 | 0 | |||
IV.ARVD.HHZ. | 2021-05-19T02:50:07.12 | 0.3 | undecidable | manual | S | 1 | 71.4729 | 50 | 0.81 | 54 |
IV.CING.HHZ. | 2021-05-19T02:50:04.16 | 0.3 | undecidable | manual | S | 20 | 61.6938 | 50 | 0.45 | 63 |
IV.EL6.EHZ. | 2021-05-19T02:50:02.41 | 0.1 | undecidable | manual | S | 15 | 54.501 | 50 | 0.62 | 80 |
IV.RM33.EHZ. | 2021-05-19T02:49:59.04 | 0.3 | undecidable | manual | S | 149 | 44.7219 | 50 | -0.14 | 69 |
IV.GUMA.HHZ. | 2021-05-19T02:49:58.20 | 0.3 | undecidable | manual | S | 55 | 40.2264 | 50 | 0.23 | 69 |
IV.CESX.HHZ. | 2021-05-19T02:49:57.63 | 0.1 | undecidable | manual | S | 226 | 39.0276 | 50 | -0.03 | 96 |
IV.ARVD.HHZ. | 2021-05-19T02:49:57.08 | 0.3 | undecidable | manual | P | 1 | 71.4729 | 50 | -0.02 | 68 |
IV.CSP1.EHZ. | 2021-05-19T02:49:56.34 | 0.1 | undecidable | manual | S | 40 | 34.5432 | 50 | -0.11 | 95 |
IV.MOMA.HHZ. | 2021-05-19T02:49:55.46 | 0.1 | undecidable | manual | S | 259 | 29.8479 | 50 | 0.26 | 93 |
IV.MMO1.EHZ. | 2021-05-19T02:49:55.61 | 0.1 | undecidable | manual | S | 81 | 32.6451 | 50 | -0.33 | 91 |
IV.ARRO.EHZ. | 2021-05-19T02:49:55.95 | 0.3 | undecidable | manual | S | 204 | 33.3444 | 50 | -0.18 | 70 |
IV.CING.HHZ. | 2021-05-19T02:49:55.43 | 0.3 | undecidable | manual | P | 20 | 61.6938 | 50 | -0.17 | 67 |
IV.MNTT.EHZ. | 2021-05-19T02:49:55.94 | 0.3 | undecidable | manual | P | 67 | 58.6968 | 50 | 0.8 | 56 |
IV.EL6.EHZ. | 2021-05-19T02:49:54.46 | 0.6 | undecidable | manual | P | 15 | 54.501 | 50 | -0.03 | 46 |
IV.ASSB.HHZ. | 2021-05-19T02:49:54.92 | 0.1 | undecidable | manual | S | 314 | 30.4473 | 50 | -0.43 | 89 |
IV.LNSS.HHZ. | 2021-05-19T02:49:54.80 | 0.1 | undecidable | manual | S | 162 | 29.2485 | 50 | -0.25 | 93 |
IV.FDMO.HHZ. | 2021-05-19T02:49:53.13 | 0.1 | undecidable | manual | S | 32 | 23.9538 | 113 | -0.38 | 91 |
IV.MF5.EHZ. | 2021-05-19T02:49:53.55 | 3.0 | negative | manual | P | 0.17 | 0 | |||
IV.RM33.EHZ. | 2021-05-19T02:49:53.02 | 0.3 | undecidable | manual | P | 149 | 44.7219 | 50 | 0.03 | 71 |
IV.SMA1.EHZ. | 2021-05-19T02:49:52.86 | 0.3 | undecidable | manual | P | 127 | 41.2254 | 50 | 0.41 | 66 |
IV.GUMA.HHZ. | 2021-05-19T02:49:52.48 | 0.1 | undecidable | manual | P | 55 | 40.2264 | 50 | 0.19 | 92 |
IV.CESI.HHZ. | 2021-05-19T02:49:51.30 | 0.1 | undecidable | manual | S | 353 | 16.872 | 120 | -0.01 | 100 |
IV.CSP1.EHZ. | 2021-05-19T02:49:51.32 | 0.1 | positive | manual | P | 40 | 34.5432 | 50 | -0.09 | 95 |
IV.GAVE.HNZ. | 2021-05-19T02:49:51.95 | 0.1 | undecidable | manual | S | 189 | 18.1707 | 119 | 0.24 | 95 |
IV.CESX.HHZ. | 2021-05-19T02:49:51.95 | 0.1 | undecidable | manual | P | 226 | 39.0276 | 50 | -0.16 | 93 |
IV.PF6.EHN. | 2021-05-19T02:49:51.69 | 0.1 | undecidable | manual | P | 34 | 38.0286 | 50 | -0.27 | 91 |
IV.MMO1.EHZ. | 2021-05-19T02:49:51.00 | 0.1 | positive | manual | P | 81 | 32.6451 | 50 | -0.12 | 95 |
IT.MTCL.HGZ. | 2021-05-19T02:49:51.11 | 0.1 | undecidable | manual | S | 20 | 16.4724 | 121 | -0.09 | 98 |
IV.ARRO.EHZ. | 2021-05-19T02:49:51.18 | 0.1 | undecidable | manual | P | 204 | 33.3444 | 50 | -0.04 | 96 |
IV.LNSS.HHZ. | 2021-05-19T02:49:50.54 | 0.1 | positive | manual | P | 162 | 29.2485 | 50 | -0.06 | 97 |
IV.MOMA.HHZ. | 2021-05-19T02:49:50.63 | 0.3 | undecidable | manual | P | 259 | 29.8479 | 50 | -0.06 | 73 |
IV.NRCA.HNZ. | 2021-05-19T02:49:50.78 | 0.1 | undecidable | manual | S | 99 | 15.1737 | 123 | -0.02 | 100 |
IV.FEMA.HNE. | 2021-05-19T02:49:50.74 | 0.3 | undecidable | manual | S | 39 | 15.4734 | 123 | -0.14 | 73 |
IV.ASSB.HHZ. | 2021-05-19T02:49:50.53 | 0.3 | undecidable | manual | P | 314 | 30.4473 | 50 | -0.24 | 70 |
IT.GNU.HGE. | 2021-05-19T02:49:50.77 | 0.3 | undecidable | manual | P | 259 | 29.8479 | 50 | 0.08 | 72 |
IV.MC2.EHZ. | 2021-05-19T02:49:49.48 | 3.0 | positive | manual | P | -0.09 | 0 | |||
IV.MML1.HNE. | 2021-05-19T02:49:49.77 | 0.3 | undecidable | manual | P | 7 | 28.9488 | 50 | -0.79 | 59 |
IV.FDMO.HHZ. | 2021-05-19T02:49:49.59 | 0.1 | positive | manual | P | 32 | 23.9538 | 113 | -0.12 | 97 |
IV.NRCA.HNZ. | 2021-05-19T02:49:48.30 | 0.1 | positive | manual | P | 99 | 15.1737 | 123 | 0.15 | 97 |
IV.FEMA.HNE. | 2021-05-19T02:49:48.30 | 0.3 | undecidable | manual | P | 39 | 15.4734 | 123 | 0.1 | 74 |
IT.MTCL.HGZ. | 2021-05-19T02:49:48.44 | 0.1 | undecidable | manual | P | 20 | 16.4724 | 121 | 0.06 | 99 |
IV.CESI.HHZ. | 2021-05-19T02:49:48.57 | 0.1 | negative | manual | P | 353 | 16.872 | 120 | 0.13 | 97 |
IV.GAVE.HNZ. | 2021-05-19T02:49:48.91 | 0.1 | positive | manual | P | 189 | 18.1707 | 119 | 0.24 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.9 | 0.000736 | 1.48 | AML | other | m | 2021-05-19T02:49:51.00 |
IV.NRCA.HHN. | ML:1.8 | 0.0006950000000000001 | 1.5 | AML | other | m | 2021-05-19T02:49:51.75 |
IV.CESI.HHN. | ML:2.0 | 0.000889 | 0.5 | AML | other | m | 2021-05-19T02:49:51.51 |
IV.CESI.HHE. | ML:1.7 | 0.0004625 | 0.1 | AML | other | m | 2021-05-19T02:49:51.96 |
IV.GAVE.HNN. | ML:1.7 | 0.0003965 | 0.32 | AML | other | m | 2021-05-19T02:49:52.20 |
IV.GAVE.EHN. | ML:2.1 | 0.0010335000000000001 | 0.32 | AML | other | m | 2021-05-19T02:49:52.21 |
IV.NRCA.HHE. | ML:1.9 | 0.0007934999999999999 | 0.44 | AML | other | m | 2021-05-19T02:49:52.22 |
IV.NRCA.HNE. | ML:1.9 | 0.0007405 | 1.28 | AML | other | m | 2021-05-19T02:49:52.22 |
IV.GAVE.EHE. | ML:2.2 | 0.001165 | 0.36 | AML | other | m | 2021-05-19T02:49:52.35 |
IV.GAVE.HNE. | ML:2.1 | 0.0011400000000000002 | 0.62 | AML | other | m | 2021-05-19T02:49:52.16 |
IV.FDMO.HHN. | ML:1.8 | 0.000432 | 0.8 | AML | other | m | 2021-05-19T02:49:53.83 |
IV.FDMO.HHE. | ML:1.9 | 0.0004685 | 0.16 | AML | other | m | 2021-05-19T02:49:53.36 |
IV.LNSS.HHN. | ML:1.8 | 0.000338 | 1.2 | AML | other | m | 2021-05-19T02:49:55.05 |
IV.LNSS.HHE. | ML:2.0 | 0.00046550000000000004 | 0.1 | AML | other | m | 2021-05-19T02:49:55.04 |
IV.ASSB.HHE. | ML:1.5 | 0.0001495 | 0.38 | AML | other | m | 2021-05-19T02:49:55.41 |
IV.ASSB.HHN. | ML:1.5 | 0.00014900000000000002 | 0.4 | AML | other | m | 2021-05-19T02:49:55.30 |
IV.MOMA.HHE. | ML:1.7 | 0.00027049999999999996 | 0.22 | AML | other | m | 2021-05-19T02:49:55.83 |
IV.MOMA.HHN. | ML:1.5 | 0.0001575 | 0.94 | AML | other | m | 2021-05-19T02:49:55.40 |
IV.ARRO.EHE. | ML:1.6 | 0.00016949999999999997 | 0.72 | AML | other | m | 2021-05-19T02:49:56.36 |
IV.CSP1.EHN. | ML:2.0 | 0.00039600000000000003 | 1.68 | AML | other | m | 2021-05-19T02:49:56.00 |
IV.ARRO.EHN. | ML:1.5 | 0.00014500000000000003 | 0.28 | AML | other | m | 2021-05-19T02:49:56.85 |
IV.CSP1.EHE. | ML:2.0 | 0.00045099999999999996 | 0.9 | AML | other | m | 2021-05-19T02:49:56.46 |
IV.CESX.HHE. | ML:1.7 | 0.000189 | 1.42 | AML | other | m | 2021-05-19T02:49:58.24 |
IV.CESX.HHN. | ML:1.6 | 0.000142 | 0.52 | AML | other | m | 2021-05-19T02:49:59.26 |
IV.GUMA.HHE. | ML:1.7 | 0.000187 | 0.28 | AML | other | m | 2021-05-19T02:50:00.95 |
IV.SMA1.EHN. | ML:1.3 | 0.000059499999999999996 | 0.82 | AML | other | m | 2021-05-19T02:50:01.71 |
IV.SMA1.EHE. | ML:1.3 | 0.00006670000000000001 | 0.22 | AML | other | m | 2021-05-19T02:50:01.44 |
IV.RM33.EHE. | ML:1.3 | 0.000056750000000000004 | 0.42 | AML | other | m | 2021-05-19T02:50:01.37 |
IV.RM33.EHN. | ML:1.3 | 0.00006025 | 0.24 | AML | other | m | 2021-05-19T02:50:01.83 |
IV.GUMA.HHN. | ML:1.8 | 0.00020950000000000002 | 1.4 | AML | other | m | 2021-05-19T02:50:03.25 |
IV.MNTT.EHE. | ML:2.1 | 0.000262 | 0.94 | AML | other | m | 2021-05-19T02:50:08.04 |
IV.ARVD.HHE. | ML:1.3 | 0.000037449999999999995 | 0.6 | AML | other | m | 2021-05-19T02:50:08.66 |
IV.ARVD.HHN. | ML:1.4 | 0.0000409 | 1.5 | AML | other | m | 2021-05-19T02:50:08.01 |
IV.MNTT.EHN. | ML:2.1 | 0.00027249999999999996 | 0.58 | AML | other | m | 2021-05-19T02:50:11.70 |