A magnitude ML 1.0 earthquake occured in region: 5 km N Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7760, 12.7510 at 10 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 |
---|---|---|---|---|
Spoleto | PG | 5 | 38218 | 38218 |
Campello sul Clitunno | PG | 5 | 2442 | 40660 |
Castel Ritaldi | PG | 8 | 3278 | 43938 |
Sant'Anatolia di Narco | PG | 8 | 564 | 44502 |
Vallo di Nera | PG | 9 | 364 | 44866 |
Scheggino | PG | 10 | 461 | 45327 |
Trevi | PG | 11 | 8469 | 53796 |
Cerreto di Spoleto | PG | 14 | 1075 | 54871 |
Montefalco | PG | 15 | 5679 | 60550 |
Giano dell'Umbria | PG | 16 | 3846 | 64396 |
Poggiodomo | PG | 17 | 117 | 64513 |
Ferentillo | TR | 18 | 1913 | 66426 |
Massa Martana | PG | 19 | 3770 | 70196 |
Sellano | PG | 19 | 1079 | 71275 |
Acquasparta | TR | 19 | 4778 | 76053 |
Montefranco | TR | 20 | 1276 | 77329 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-09-23 18:38:05 |
42.7765 | 12.7513 | 10 | 2021-09-23 18:56:13 |
Sala Sismica INGV-Roma | 95794381 |
Field | Value |
---|---|
Time (UTC) | 2021-09-23 18:38:05 ± 0.08 |
Latitude | 42.7765 ± 0.0072 |
Longitude | 12.7513 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 95794381 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 947 |
Semi-minor axis of confidence ellipse (meter) | 414 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 222 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 950.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 153 |
Number of associated phases, regardless of their use for origin computation | 40 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43257 |
Number of stations at which the event was observed | 28 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 13 |
Type of magnitude | ML |
Reference to an origin | 95794381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-23 18:56:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SPS2.HHZ. | 2021-09-23T18:40:04.98 | 3.0 | undecidable | manual | Sn | -3.98 | 0 | |||
CR.STON.BHZ. | 2021-09-23T18:40:02.04 | 3.0 | undecidable | manual | Sg | 15.1 | 0 | |||
IV.EUCT.HNZ. | 2021-09-23T18:39:50.76 | 3.0 | undecidable | manual | Sn | 4.23 | 0 | |||
IV.CTI.HHZ. | 2021-09-23T18:39:50.59 | 3.0 | undecidable | manual | Sg | 10.7 | 0 | |||
MN.TIR.HHZ. | 2021-09-23T18:39:45.65 | 3.0 | negative | manual | Pg | 16.9 | 0 | |||
IV.ESCV.HHZ. | 2021-09-23T18:39:42.15 | 3.0 | positive | manual | Pg | 14.55 | 0 | |||
IV.HPAC.HHZ. | 2021-09-23T18:39:40.98 | 3.0 | undecidable | manual | Pn | -0.99 | 0 | |||
MN.TRI.HHZ. | 2021-09-23T18:39:37.62 | 3.0 | undecidable | manual | Sg | 7.07 | 0 | |||
OT.OT17.EHZ. | 2021-09-23T18:39:19.51 | 3.0 | undecidable | manual | Sg | 5.28 | 0 | |||
CR.STON.BHZ. | 2021-09-23T18:39:14.12 | 3.0 | undecidable | manual | Pg | 11.2 | 0 | |||
GU.POPM.HHZ. | 2021-09-23T18:39:11.60 | 3.0 | undecidable | manual | Sg | 4.78 | 0 | |||
IV.IMOL.HNZ. | 2021-09-23T18:38:55.95 | 3.0 | undecidable | manual | Sn | -4.98 | 0 | |||
IV.IOCA.HHZ. | 2021-09-23T18:38:49.00 | 3.0 | negative | manual | Pg | 3.56 | 0 | |||
IX.SNR3.EHZ.02 | 2021-09-23T18:38:46.93 | 3.0 | positive | manual | Pn | -5.24 | 0 | |||
GU.POPM.HHZ. | 2021-09-23T18:38:42.42 | 3.0 | undecidable | manual | Pg | 2.04 | 0 | |||
IV.CRTC.HHZ. | 2021-09-23T18:38:36.21 | 3.0 | undecidable | manual | S | -2.97 | 0 | |||
IV.PE3.EHZ. | 2021-09-23T18:38:35.70 | 3.0 | undecidable | manual | S | -2.52 | 0 | |||
IV.FIAM.HHZ. | 2021-09-23T18:38:25.54 | 3.0 | undecidable | manual | P | 0 | ||||
IV.RM33.EHE. | 2021-09-23T18:38:21.15 | 0.6 | undecidable | manual | S | 128 | 48.0186 | 50 | 0.17 | 47 |
IV.MURB.HHZ. | 2021-09-23T18:38:20.78 | 3.0 | undecidable | manual | P | 0 | ||||
IV.MML1.EHE. | 2021-09-23T18:38:19.47 | 0.6 | undecidable | manual | S | 26 | 41.4252 | 50 | 0.25 | 47 |
IV.FDMO.HHE. | 2021-09-23T18:38:18.47 | 0.3 | undecidable | manual | S | 43 | 39.7269 | 50 | -0.28 | 71 |
IV.NRCA.HHZ. | 2021-09-23T18:38:16.05 | 0.3 | undecidable | manual | S | 78 | 30.2475 | 50 | -0.17 | 74 |
IV.ASSB.HHZ. | 2021-09-23T18:38:16.42 | 0.3 | undecidable | manual | S | 346 | 30.4473 | 50 | 0.14 | 74 |
IV.CESI.HNE. | 2021-09-23T18:38:15.16 | 0.6 | undecidable | manual | S | 26 | 28.2495 | 50 | -0.53 | 45 |
IV.LNSS.HNN. | 2021-09-23T18:38:15.92 | 0.6 | undecidable | manual | S | 129 | 30.4473 | 50 | -0.35 | 47 |
IV.RM33.EHE. | 2021-09-23T18:38:14.47 | 0.3 | undecidable | manual | P | 128 | 48.0186 | 50 | 0.04 | 73 |
IV.FDMO.HHE. | 2021-09-23T18:38:13.08 | 0.6 | undecidable | manual | P | 43 | 39.7269 | 50 | -0.07 | 49 |
IV.MML1.EHE. | 2021-09-23T18:38:13.72 | 1.0 | undecidable | manual | P | 26 | 41.4252 | 50 | 0.3 | 23 |
IV.ASSB.HHZ. | 2021-09-23T18:38:12.02 | 0.1 | undecidable | manual | P | 346 | 30.4473 | 50 | 0.3 | 95 |
IV.ARRO.EHZ. | 2021-09-23T18:38:11.11 | 3.0 | positive | manual | P | -2.56 | 0 | |||
IV.GAVE.EHZ. | 2021-09-23T18:38:11.76 | 0.3 | undecidable | manual | S | 129 | 14.9739 | 124 | 0 | 78 |
IV.CESI.HNE. | 2021-09-23T18:38:11.51 | 0.3 | undecidable | manual | P | 26 | 28.2495 | 50 | 0.13 | 74 |
IV.MOMA.HHZ. | 2021-09-23T18:38:11.68 | 0.3 | undecidable | manual | S | 282 | 15.0738 | 124 | -0.12 | 76 |
IV.LNSS.HNN. | 2021-09-23T18:38:11.69 | 0.3 | undecidable | manual | P | 129 | 30.4473 | 50 | -0.03 | 76 |
IV.NRCA.HHZ. | 2021-09-23T18:38:11.87 | 0.3 | undecidable | manual | P | 78 | 30.2475 | 50 | 0.18 | 73 |
IT.GNU.HGE. | 2021-09-23T18:38:11.81 | 0.6 | undecidable | manual | S | 282 | 15.0738 | 124 | 0.02 | 52 |
IV.GAVE.EHZ. | 2021-09-23T18:38:09.31 | 0.1 | undecidable | manual | P | 129 | 14.9739 | 124 | 0.2 | 100 |
IV.MOMA.HHZ. | 2021-09-23T18:38:09.43 | 0.1 | undecidable | manual | P | 282 | 15.0738 | 124 | 0.3 | 98 |
IT.GNU.HGE. | 2021-09-23T18:38:08.21 | 0.3 | undecidable | manual | P | 282 | 15.0738 | 124 | -0.92 | 59 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.2 | 0.00013769325 | 0.1408 | AML | other | m | 2021-09-23T18:38:12.70 |
IV.MOMA.HHE. | ML:1.2 | 0.00016700000000000002 | 0.26 | AML | other | m | 2021-09-23T18:38:12.64 |
IV.GAVE.EHN. | ML:1.1 | 0.00011169999999999999 | 0.16 | AML | other | m | 2021-09-23T18:38:12.52 |
IV.MOMA.HHN. | ML:0.8 | 0.000060549999999999995 | 1.46 | AML | other | m | 2021-09-23T18:38:13.12 |
IV.NRCA.HHN. | ML:0.8 | 0.000031823274999999996 | 0.0896 | AML | other | m | 2021-09-23T18:38:16.74 |
IV.NRCA.HHE. | ML:1.0 | 0.000045853005 | 0.1408 | AML | other | m | 2021-09-23T18:38:17.41 |
IV.GAVE.HNE. | ML:1.2 | 0.00015575470000000002 | 0.1792 | AML | other | m | 2021-09-23T18:38:13.09 |
IV.MOMA.HNE. | ML:1.2 | 0.00015624024999999999 | 0.256 | AML | other | m | 2021-09-23T18:38:12.51 |
IV.MOMA.HNN. | ML:1.1 | 0.00011640312 | 0.4096 | AML | other | m | 2021-09-23T18:38:14.25 |
IV.ASSB.HHE. | ML:0.5 | 0.00001437776 | 0.1536 | AML | other | m | 2021-09-23T18:38:18.73 |
IV.ASSB.HHN. | ML:0.6 | 0.000018855178000000002 | 0.1664 | AML | other | m | 2021-09-23T18:38:17.03 |
IV.MURB.HHE. | ML:1.0 | 0.00001950758 | 0.2432 | AML | other | m | 2021-09-23T18:38:28.95 |
IV.MURB.HHN. | ML:1.1 | 0.000030280615000000004 | 0.4352 | AML | other | m | 2021-09-23T18:38:26.55 |