A magnitude ML 1.7 earthquake occured in region: 3 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7580, 12.5520 at 8 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 |
---|---|---|---|---|
Massa Martana | PG | 3 | 3770 | 3770 |
Acquasparta | TR | 7 | 4778 | 8548 |
Giano dell'Umbria | PG | 9 | 3846 | 12394 |
Todi | PG | 12 | 16851 | 29245 |
Castel Ritaldi | PG | 12 | 3278 | 32523 |
Montecastrilli | TR | 13 | 5022 | 37545 |
Avigliano Umbro | TR | 15 | 2558 | 40103 |
Spoleto | PG | 16 | 38218 | 78321 |
San Gemini | TR | 16 | 5018 | 83339 |
Gualdo Cattaneo | PG | 17 | 6155 | 89494 |
Montefalco | PG | 17 | 5679 | 95173 |
Collazzone | PG | 18 | 3473 | 98646 |
Monte Castello di Vibio | PG | 19 | 1567 | 100213 |
Fratta Todina | PG | 19 | 1839 | 102052 |
Campello sul Clitunno | PG | 20 | 2442 | 104494 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.7 | 2021-07-22 16:11:22 |
42.7583 | 12.5517 | 8 | 2021-12-29 11:12:34 |
Bollettino Sismico Italiano INGV | 96285351 |
Reviewed Rev100 |
ML 2.0 | 2021-07-22 16:11:22 |
42.7568 | 12.5197 | 9 | 2021-07-22 16:18:42 |
Sala Sismica INGV-Roma | 93070591 |
Field | Value |
---|---|
Time (UTC) | 2021-07-22 16:11:22 ± 0.06 |
Latitude | 42.7583 ± 0.0036 |
Longitude | 12.5517 ± 0.0049 |
Depth (km) | 8 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 96285351 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 395 |
Semi-minor axis of confidence ellipse (meter) | 352 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 243 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 71 |
Number of defining phases | 47 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.80399 |
Number of stations at which the event was observed | 52 |
Number of stations from which data was used for origin computation | 31 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | 0.3 |
Num. used stations | 32 |
Type of magnitude | ML |
Reference to an origin | 96285351 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-16 15:52:38 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.5 |
Num. used stations | 48 |
Type of magnitude | ML |
Reference to an origin | 93070591 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-22 16:18:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIZZ.HHZ. | 2021-07-22T16:13:17.46 | 3.0 | undecidable | manual | Sn | -8.08 | 0 | |||
CH.FUORN.HHZ. | 2021-07-22T16:13:10.97 | 3.0 | undecidable | manual | Sn | -5.32 | 0 | |||
IV.SENA.HHZ. | 2021-07-22T16:13:09.00 | 3.0 | undecidable | manual | Sg | 12.08 | 0 | |||
IV.EUCT.HNZ. | 2021-07-22T16:13:04.56 | 3.0 | undecidable | manual | Sn | 4.26 | 0 | |||
IV.CTI.HHZ. | 2021-07-22T16:12:59.70 | 3.0 | undecidable | manual | Sg | 4.79 | 0 | |||
IV.AGLI.HHZ. | 2021-07-22T16:12:57.54 | 3.0 | undecidable | manual | Sg | 6.92 | 0 | |||
AC.VLO.HHZ. | 2021-07-22T16:12:55.34 | 3.0 | undecidable | manual | Pg | 11.78 | 0 | |||
IT.LNT.HGZ. | 2021-07-22T16:12:55.22 | 3.0 | undecidable | manual | Pg | 8.67 | 0 | |||
IX.PGN3.HHZ.02 | 2021-07-22T16:12:54.86 | 3.0 | undecidable | manual | Sg | 4.67 | 0 | |||
IV.PZUN.HHZ. | 2021-07-22T16:12:47.53 | 3.0 | undecidable | manual | Sn | -1.52 | 0 | |||
MN.CLTB.HHZ. | 2021-07-22T16:12:41.98 | 3.0 | positive | manual | Pn | 2.75 | 0 | |||
IV.NDIM.HNZ. | 2021-07-22T16:12:41.99 | 3.0 | undecidable | manual | Sg | 7.89 | 0 | |||
IV.MRB1.HHZ. | 2021-07-22T16:12:35.01 | 3.0 | undecidable | manual | Sg | 5.16 | 0 | |||
GU.GSCL.HHZ. | 2021-07-22T16:12:33.03 | 3.0 | undecidable | manual | Sg | 5.44 | 0 | |||
IV.FREG.EHZ. | 2021-07-22T16:12:21.21 | 3.0 | negative | manual | Pg | 9.3 | 0 | |||
IV.MTRZ.HNZ. | 2021-07-22T16:12:17.83 | 3.0 | undecidable | manual | Sg | 0.5 | 0 | |||
IV.ZEN8.EHZ. | 2021-07-22T16:12:16.23 | 3.0 | undecidable | manual | Pg | 4.69 | 0 | |||
IV.CTI.HHZ. | 2021-07-22T16:12:15.43 | 3.0 | undecidable | manual | Pn | 1.86 | 0 | |||
IV.EUCT.HNZ. | 2021-07-22T16:12:13.42 | 3.0 | undecidable | manual | Pn | -3.18 | 0 | |||
IV.PZUN.HHZ. | 2021-07-22T16:12:07.85 | 3.0 | negative | manual | Pn | -2.43 | 0 | |||
IV.SAMA.EHZ. | 2021-07-22T16:11:53.43 | 3.0 | undecidable | manual | S | -4.13 | 0 | |||
IV.SACR.HNZ. | 2021-07-22T16:11:53.86 | 3.0 | undecidable | manual | Pn | -1.04 | 0 | |||
IV.TST01.HHZ. | 2021-07-22T16:11:53.53 | 3.0 | positive | manual | Pg | 4.34 | 0 | |||
IV.VCEL.EHZ. | 2021-07-22T16:11:48.45 | 3.0 | undecidable | manual | S | -3.88 | 0 | |||
IV.CSP1.EHZ. | 2021-07-22T16:11:43.37 | 0.6 | undecidable | manual | S | 55 | 64.6908 | 50 | 0.47 | 43 |
IV.SMA1.EHZ. | 2021-07-22T16:11:43.73 | 0.6 | undecidable | manual | S | 102 | 65.49 | 50 | 0.62 | 40 |
IV.RM33.EHZ. | 2021-07-22T16:11:42.11 | 0.6 | undecidable | manual | S | 117 | 60.7947 | 50 | 0.25 | 45 |
IV.MC2.EHZ. | 2021-07-22T16:11:40.51 | 0.6 | undecidable | manual | S | 72 | 54.6009 | 50 | 0.31 | 45 |
IV.TOLF.HHN. | 2021-07-22T16:11:39.20 | 1.0 | undecidable | manual | P | 211 | 89.244 | 50 | 1.11 | 16 |
IV.FDMO.HHZ. | 2021-07-22T16:11:39.87 | 0.6 | undecidable | manual | S | 54 | 53.4021 | 50 | -0.01 | 48 |
IV.MML1.HNE. | 2021-07-22T16:11:39.54 | 0.6 | undecidable | manual | S | 41 | 52.1034 | 50 | -0.01 | 48 |
IV.NRCA.HHZ. | 2021-07-22T16:11:38.12 | 0.6 | undecidable | manual | S | 79 | 46.5201 | 50 | 0.06 | 48 |
IV.ARCI.HHZ. | 2021-07-22T16:11:38.75 | 1.0 | undecidable | manual | P | 277 | 88.245 | 50 | 0.82 | 18 |
IV.FEMA.HNE. | 2021-07-22T16:11:38.13 | 0.3 | undecidable | manual | S | 61 | 46.4202 | 50 | 0.11 | 71 |
IV.LNSS.HHZ. | 2021-07-22T16:11:37.10 | 0.3 | undecidable | manual | S | 113 | 43.4232 | 50 | -0.13 | 72 |
IT.MTCL.HGZ. | 2021-07-22T16:11:37.44 | 0.3 | undecidable | manual | S | 54 | 44.8218 | 50 | -0.16 | 71 |
IV.CESI.HHZ. | 2021-07-22T16:11:36.08 | 0.6 | undecidable | manual | S | 46 | 39.627 | 50 | -0.14 | 48 |
IV.MF5.EHZ. | 2021-07-22T16:11:36.85 | 0.6 | undecidable | manual | P | 71 | 78.0663 | 50 | 0.48 | 41 |
IV.CAFI.HHZ. | 2021-07-22T16:11:36.49 | 0.3 | undecidable | manual | P | 323 | 79.1652 | 50 | -0.04 | 68 |
TV.SF14.HHN. | 2021-07-22T16:11:36.42 | 1.0 | undecidable | manual | P | 270 | 76.368 | 50 | 0.33 | 22 |
TV.SF04.EHZ. | 2021-07-22T16:11:35.98 | 1.0 | undecidable | manual | P | 277 | 73.0713 | 50 | 0.39 | 21 |
IV.ATMI.HHZ. | 2021-07-22T16:11:35.48 | 1.0 | undecidable | manual | P | 340 | 67.8765 | 50 | 0.68 | 20 |
IV.ATLO.EHE. | 2021-07-22T16:11:34.25 | 1.0 | undecidable | manual | P | 349 | 62.8926 | 50 | 0.23 | 23 |
IV.CSP1.EHZ. | 2021-07-22T16:11:34.24 | 0.3 | undecidable | manual | P | 55 | 64.6908 | 50 | -0.06 | 70 |
IV.SMA1.EHZ. | 2021-07-22T16:11:34.41 | 0.3 | undecidable | manual | P | 102 | 65.49 | 50 | -0.01 | 70 |
IV.RM33.EHZ. | 2021-07-22T16:11:33.50 | 0.1 | undecidable | manual | P | 117 | 60.7947 | 50 | -0.2 | 91 |
IV.MURB.HHZ. | 2021-07-22T16:11:33.17 | 0.6 | undecidable | manual | P | 358 | 55.9995 | 50 | 0.2 | 46 |
IV.ATVA.EHE. | 2021-07-22T16:11:33.79 | 0.6 | undecidable | manual | P | 340 | 61.5939 | 50 | -0.04 | 47 |
IV.ASSB.HHZ. | 2021-07-22T16:11:33.97 | 0.6 | undecidable | manual | S | 15 | 32.745 | 104 | -0.29 | 47 |
IV.SACS.HHZ. | 2021-07-22T16:11:32.35 | 0.3 | undecidable | manual | P | 281 | 53.2023 | 50 | -0.18 | 69 |
IV.FDMO.HHZ. | 2021-07-22T16:11:32.39 | 0.1 | undecidable | manual | P | 54 | 53.4021 | 50 | -0.17 | 93 |
IV.MML1.HNE. | 2021-07-22T16:11:32.29 | 0.6 | undecidable | manual | P | 41 | 52.1034 | 50 | -0.08 | 47 |
IV.MC2.EHZ. | 2021-07-22T16:11:32.74 | 0.3 | undecidable | manual | P | 72 | 54.6009 | 50 | 0 | 72 |
IV.GAVE.EHZ. | 2021-07-22T16:11:32.77 | 0.6 | undecidable | manual | S | 105 | 28.8489 | 106 | -0.2 | 48 |
IV.BARO.EHZ. | 2021-07-22T16:11:32.99 | 0.6 | undecidable | manual | P | 216 | 69.8745 | 50 | -2.11 | 16 |
IT.MTCL.HGZ. | 2021-07-22T16:11:31.16 | 1.0 | undecidable | manual | P | 54 | 44.8218 | 50 | -0.08 | 24 |
IV.FEMA.HNE. | 2021-07-22T16:11:31.48 | 0.3 | undecidable | manual | P | 61 | 46.4202 | 50 | 0 | 73 |
IV.ATCC.EHE. | 2021-07-22T16:11:31.80 | 1.0 | undecidable | manual | P | 9 | 47.9187 | 50 | 0.09 | 24 |
IV.NRCA.HHZ. | 2021-07-22T16:11:31.39 | 0.1 | undecidable | manual | P | 79 | 46.5201 | 50 | -0.12 | 95 |
IV.CESI.HHZ. | 2021-07-22T16:11:30.30 | 0.1 | undecidable | manual | P | 46 | 39.627 | 50 | -0.14 | 96 |
IV.MGAB.HHZ. | 2021-07-22T16:11:30.31 | 0.1 | undecidable | manual | P | 296 | 39.627 | 50 | -0.14 | 96 |
IV.LNSS.HHZ. | 2021-07-22T16:11:30.75 | 0.3 | undecidable | manual | P | 113 | 43.4232 | 50 | -0.28 | 69 |
IV.ASSB.HHZ. | 2021-07-22T16:11:29.09 | 0.3 | undecidable | manual | P | 15 | 32.745 | 104 | -0.22 | 72 |
IV.ARRO.EHZ. | 2021-07-22T16:11:28.26 | 0.3 | undecidable | manual | P | 139 | 26.4513 | 107 | 0.16 | 73 |
IV.CESX.HHZ. | 2021-07-22T16:11:28.97 | 0.6 | undecidable | manual | S | 170 | 16.872 | 116 | -0.09 | 50 |
IV.GAVE.EHZ. | 2021-07-22T16:11:28.39 | 0.3 | undecidable | manual | P | 105 | 28.8489 | 106 | -0.17 | 73 |
IV.CESX.HHZ. | 2021-07-22T16:11:26.47 | 0.3 | undecidable | manual | P | 170 | 16.872 | 116 | 0.16 | 74 |
IT.GNU.HGZ. | 2021-07-22T16:11:25.97 | 0.3 | undecidable | manual | S | 17 | 5.2947 | 147 | 0.03 | 78 |
IV.MOMA.HNZ. | 2021-07-22T16:11:25.86 | 0.3 | undecidable | manual | S | 17 | 5.2947 | 147 | -0.09 | 77 |
IT.GNU.HGZ. | 2021-07-22T16:11:24.73 | 0.1 | undecidable | manual | P | 17 | 5.2947 | 147 | 0.22 | 100 |
IV.MOMA.HNZ. | 2021-07-22T16:11:24.75 | 0.1 | positive | manual | P | 17 | 5.2947 | 147 | 0.24 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:1.1 | 0.0000635 | 1.22 | AML | other | m | 2021-07-22T16:11:32.66 |
IV.GAVE.EHN. | ML:1.1 | 0.000068 | 0.24 | AML | other | m | 2021-07-22T16:11:32.29 |
IV.CESX.HHN. | ML:1.5 | 0.000315 | 0.24 | AML | other | m | 2021-07-22T16:11:32.65 |
IV.CESX.HHE. | ML:1.6 | 0.000389 | 0.28 | AML | other | m | 2021-07-22T16:11:32.82 |
IV.ARRO.EHN. | ML:1.6 | 0.0002445 | 0.24 | AML | other | m | 2021-07-22T16:11:33.75 |
IV.ASSB.HHN. | ML:1.6 | 0.000175 | 0.48 | AML | other | m | 2021-07-22T16:11:34.09 |
IV.ASSB.HHE. | ML:1.7 | 0.000203 | 1.44 | AML | other | m | 2021-07-22T16:11:34.87 |
IV.ARRO.EHE. | ML:1.4 | 0.00015 | 1.82 | AML | other | m | 2021-07-22T16:11:34.07 |
IV.CESI.HHN. | ML:1.8 | 0.0002485 | 0.6 | AML | other | m | 2021-07-22T16:11:36.23 |
IV.CESI.HHE. | ML:1.5 | 0.00010664999999999999 | 0.58 | AML | other | m | 2021-07-22T16:11:37.58 |
IV.LNSS.HHN. | ML:1.7 | 0.00017299999999999998 | 0.48 | AML | other | m | 2021-07-22T16:11:37.63 |
IV.MGAB.HNE. | ML:2.0 | 0.000333 | 0.82 | AML | other | m | 2021-07-22T16:11:37.25 |
IV.MGAB.HHE. | ML:2.0 | 0.0003375 | 0.46 | AML | other | m | 2021-07-22T16:11:37.67 |
IV.LNSS.HHE. | ML:1.8 | 0.00021950000000000002 | 0.66 | AML | other | m | 2021-07-22T16:11:37.87 |
IV.MGAB.HNN. | ML:1.8 | 0.000252 | 0.68 | AML | other | m | 2021-07-22T16:11:38.38 |
IV.MGAB.HHN. | ML:1.8 | 0.0002395 | 1.48 | AML | other | m | 2021-07-22T16:11:38.04 |
IV.NRCA.HHN. | ML:1.9 | 0.000211 | 1.4 | AML | other | m | 2021-07-22T16:11:39.15 |
IV.NRCA.HHE. | ML:1.9 | 0.000234 | 0.72 | AML | other | m | 2021-07-22T16:11:39.59 |
IV.FDMO.HHE. | ML:1.4 | 0.00006575 | 0.98 | AML | other | m | 2021-07-22T16:11:40.23 |
IV.FDMO.HHN. | ML:1.7 | 0.0001175 | 1.72 | AML | other | m | 2021-07-22T16:11:40.93 |
IV.SACS.HHN. | ML:1.3 | 0.0000475 | 0.88 | AML | other | m | 2021-07-22T16:11:42.11 |
IV.MURB.HHN. | ML:2.0 | 0.000236 | 0.3 | AML | other | m | 2021-07-22T16:11:42.74 |
IV.MURB.HHE. | ML:1.9 | 0.0001825 | 0.26 | AML | other | m | 2021-07-22T16:11:42.84 |
IV.SACS.HHE. | ML:1.3 | 0.00004425 | 0.24 | AML | other | m | 2021-07-22T16:11:43.13 |
IV.RM33.EHE. | ML:1.7 | 0.00010605 | 0.74 | AML | other | m | 2021-07-22T16:11:43.24 |
IV.RM33.EHN. | ML:1.6 | 0.0000786 | 1.42 | AML | other | m | 2021-07-22T16:11:43.25 |
IV.CSP1.EHN. | ML:2.2 | 0.0003075 | 1.82 | AML | other | m | 2021-07-22T16:11:44.05 |
IV.CSP1.EHE. | ML:2.0 | 0.0002035 | 0.9 | AML | other | m | 2021-07-22T16:11:45.49 |
IV.SMA1.EHE. | ML:2.2 | 0.00031 | 0.34 | AML | other | m | 2021-07-22T16:11:45.41 |
IV.SMA1.EHN. | ML:1.9 | 0.00013800000000000002 | 0.36 | AML | other | m | 2021-07-22T16:11:45.33 |
IV.CAFI.HHE. | ML:1.2 | 0.000024 | 1.72 | AML | other | m | 2021-07-22T16:11:50.88 |
IV.CAFI.HHN. | ML:1.2 | 0.000021850000000000003 | 0.5 | AML | other | m | 2021-07-22T16:11:53.69 |