A magnitude ML 1.6 earthquake occured in region: 2 km SW Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7630, 12.5060 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 | 2 | 3770 | 3770 |
Todi | PG | 8 | 16851 | 20621 |
Acquasparta | TR | 9 | 4778 | 25399 |
Giano dell'Umbria | PG | 10 | 3846 | 29245 |
Montecastrilli | TR | 13 | 5022 | 34267 |
Avigliano Umbro | TR | 14 | 2558 | 36825 |
Castel Ritaldi | PG | 15 | 3278 | 40103 |
Monte Castello di Vibio | PG | 15 | 1567 | 41670 |
Fratta Todina | PG | 16 | 1839 | 43509 |
Collazzone | PG | 16 | 3473 | 46982 |
Gualdo Cattaneo | PG | 17 | 6155 | 53137 |
San Gemini | TR | 17 | 5018 | 58155 |
Montefalco | PG | 19 | 5679 | 63834 |
Spoleto | PG | 19 | 38218 | 102052 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-09-29 02:39:58 |
42.763 | 12.5062 | 8 | 2021-02-26 14:55:57 |
Bollettino Sismico Italiano INGV | 83411651 |
Reviewed Rev100 |
ML 1.5 | 2020-09-29 02:39:58 |
42.764 | 12.5102 | 8 | 2020-09-29 02:48:44 |
Sala Sismica INGV-Roma | 83349651 |
Field | Value |
---|---|
Time (UTC) | 2020-09-29 02:39:58 ± 0.06 |
Latitude | 42.7630 ± 0.0027 |
Longitude | 12.5062 ± 0.0037 |
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 | 83411651 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 350 |
Semi-minor axis of confidence ellipse (meter) | 265 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 56 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 101 |
Number of associated phases, regardless of their use for origin computation | 39 |
Number of defining phases | 39 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.06205 |
Epicentral distance of station farthest from the epicenter (degree) | 0.68978 |
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 | 46 |
Type of magnitude | ML |
Reference to an origin | 83411651 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-12-15 15:36:24 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 83349651 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-29 02:48:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SMA1.EHZ. | 2020-09-29T02:40:20.22 | 0.6 | undecidable | manual | S | 102 | 69.1752 | 50 | 0.53 | 40 |
IV.MMO1.EHZ. | 2020-09-29T02:40:19.75 | 0.6 | undecidable | manual | S | 77 | 68.4759 | 50 | 0.25 | 43 |
IV.ATMI.HHZ. | 2020-09-29T02:40:18.94 | 0.6 | undecidable | manual | S | 343 | 66.1893 | 50 | 0.04 | 45 |
IV.RM33.EHZ. | 2020-09-29T02:40:18.79 | 0.6 | undecidable | manual | S | 116 | 64.2912 | 50 | 0.4 | 42 |
IV.MC2.EHZ. | 2020-09-29T02:40:17.20 | 0.6 | undecidable | manual | S | 73 | 57.8976 | 50 | 0.51 | 41 |
IV.FDMO.HHZ. | 2020-09-29T02:40:16.29 | 0.6 | undecidable | manual | S | 57 | 56.0994 | 50 | 0.08 | 45 |
IV.MURB.HHZ. | 2020-09-29T02:40:16.52 | 0.6 | undecidable | manual | S | 2 | 55.5 | 50 | 0.49 | 41 |
IV.SRES.HHZ. | 2020-09-29T02:40:16.50 | 0.6 | undecidable | manual | S | 180 | 58.3971 | 50 | -0.3 | 43 |
IV.NRCA.HHZ. | 2020-09-29T02:40:14.55 | 0.6 | undecidable | manual | S | 81 | 50.1165 | 50 | -0.05 | 46 |
IV.SACS.HHZ. | 2020-09-29T02:40:14.92 | 0.6 | undecidable | manual | S | 281 | 49.5171 | 50 | 0.49 | 42 |
IV.LNSS.HHZ. | 2020-09-29T02:40:13.67 | 0.6 | undecidable | manual | S | 112 | 47.0196 | 50 | -0.11 | 46 |
IV.CESI.HHZ. | 2020-09-29T02:40:12.23 | 0.6 | undecidable | manual | S | 50 | 42.0246 | 50 | -0.22 | 45 |
IV.CAFI.HHZ. | 2020-09-29T02:40:11.69 | 0.1 | undecidable | manual | P | 325 | 76.5678 | 50 | 0.01 | 88 |
IV.MGAB.HHZ. | 2020-09-29T02:40:10.74 | 0.6 | undecidable | manual | S | 298 | 36.0417 | 50 | -0.12 | 46 |
IV.SMA1.EHZ. | 2020-09-29T02:40:10.55 | 0.1 | negative | manual | P | 102 | 69.1752 | 50 | 0 | 90 |
IV.ATMI.HHZ. | 2020-09-29T02:40:10.39 | 0.1 | undecidable | manual | P | 343 | 66.1893 | 50 | 0.29 | 85 |
IV.MMO1.EHZ. | 2020-09-29T02:40:10.43 | 0.3 | undecidable | manual | P | 77 | 68.4759 | 50 | -0.01 | 67 |
IV.GAVE.EHZ. | 2020-09-29T02:40:09.50 | 0.6 | undecidable | manual | S | 104 | 32.5452 | 104 | -0.2 | 46 |
IV.MC2.EHZ. | 2020-09-29T02:40:09.25 | 0.3 | undecidable | manual | P | 73 | 57.8976 | 50 | 0.43 | 63 |
IV.ASSB.HHZ. | 2020-09-29T02:40:09.39 | 0.6 | undecidable | manual | S | 22 | 33.4443 | 103 | -0.58 | 42 |
IV.RM33.EHZ. | 2020-09-29T02:40:09.42 | 0.1 | undecidable | manual | P | 116 | 64.2912 | 50 | -0.38 | 83 |
IV.SRES.HHZ. | 2020-09-29T02:40:08.72 | 0.1 | undecidable | manual | P | 180 | 58.3971 | 50 | -0.16 | 88 |
IV.FDMO.HHZ. | 2020-09-29T02:40:08.34 | 0.1 | positive | manual | P | 57 | 56.0994 | 50 | -0.2 | 88 |
IV.MURB.HHZ. | 2020-09-29T02:40:08.33 | 0.1 | undecidable | manual | P | 2 | 55.5 | 50 | -0.11 | 90 |
IV.ARRO.EHZ. | 2020-09-29T02:40:08.86 | 0.6 | undecidable | manual | S | 134 | 29.4483 | 105 | 0.23 | 46 |
IV.NRCA.HHZ. | 2020-09-29T02:40:07.41 | 0.1 | undecidable | manual | P | 81 | 50.1165 | 50 | -0.2 | 89 |
IV.SACS.HHZ. | 2020-09-29T02:40:07.55 | 0.3 | undecidable | manual | P | 281 | 49.5171 | 50 | 0.04 | 69 |
IV.CESI.HHZ. | 2020-09-29T02:40:06.18 | 0.1 | undecidable | manual | P | 50 | 42.0246 | 50 | -0.19 | 91 |
IV.LNSS.HHZ. | 2020-09-29T02:40:06.91 | 0.1 | undecidable | manual | P | 112 | 47.0196 | 50 | -0.23 | 89 |
IV.MGAB.HHZ. | 2020-09-29T02:40:05.21 | 0.1 | undecidable | manual | P | 298 | 36.0417 | 50 | -0.24 | 91 |
IV.CESX.HHZ. | 2020-09-29T02:40:05.04 | 0.6 | undecidable | manual | S | 159 | 18.3705 | 113 | 0.04 | 49 |
IV.ASSB.HHZ. | 2020-09-29T02:40:04.74 | 0.3 | undecidable | manual | P | 22 | 33.4443 | 103 | -0.2 | 69 |
IV.ARRO.EHZ. | 2020-09-29T02:40:04.27 | 0.1 | undecidable | manual | P | 134 | 29.4483 | 105 | 0.11 | 94 |
IV.GAVE.EHZ. | 2020-09-29T02:40:04.55 | 0.1 | undecidable | manual | P | 104 | 32.5452 | 104 | -0.23 | 91 |
IV.CESX.HHZ. | 2020-09-29T02:40:02.25 | 0.1 | undecidable | manual | P | 159 | 18.3705 | 113 | 0.18 | 95 |
IV.MOMA.HHZ. | 2020-09-29T02:40:01.70 | 0.1 | undecidable | manual | S | 49 | 6.8931 | 139 | 0 | 100 |
IT.GNU.HGZ. | 2020-09-29T02:40:01.70 | 0.1 | undecidable | manual | S | 49 | 6.8931 | 139 | 0 | 100 |
IV.MOMA.HHZ. | 2020-09-29T02:40:00.40 | 0.1 | negative | manual | P | 49 | 6.8931 | 139 | 0.24 | 95 |
IT.GNU.HGZ. | 2020-09-29T02:40:00.40 | 0.1 | negative | manual | P | 49 | 6.8931 | 139 | 0.23 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HNN. | ML:1.8 | 0.0012000000000000001 | 0.28 | AML | other | m | 2020-09-29T02:40:01.91 |
IV.MOMA.HHN. | ML:1.8 | 0.00127 | 1.08 | AML | other | m | 2020-09-29T02:40:01.91 |
IV.MOMA.HNE. | ML:2.0 | 0.001895 | 0.24 | AML | other | m | 2020-09-29T02:40:02.29 |
IV.MOMA.HHE. | ML:2.0 | 0.00199 | 0.26 | AML | other | m | 2020-09-29T02:40:02.30 |
IV.CESX.HHN. | ML:1.4 | 0.0002270253 | 0.24 | AML | other | m | 2020-09-29T02:40:06.78 |
IV.CESX.HHE. | ML:1.4 | 0.00020938290000000002 | 0.24 | AML | other | m | 2020-09-29T02:40:07.67 |
IV.MGAB.HNN. | ML:1.7 | 0.00020224605000000002 | 0.7696 | AML | other | m | 2020-09-29T02:40:09.51 |
IV.GAVE.EHN. | ML:1.5 | 0.000149 | 0.18 | AML | other | m | 2020-09-29T02:40:10.39 |
IV.ASSB.HHE. | ML:1.1 | 0.000053207119999999996 | 0.1392 | AML | other | m | 2020-09-29T02:40:10.45 |
IV.ASSB.HHN. | ML:1.1 | 0.000052108785000000004 | 0.1808 | AML | other | m | 2020-09-29T02:40:10.54 |
IV.ARRO.EHN. | ML:1.4 | 0.00011425 | 0.62 | AML | other | m | 2020-09-29T02:40:10.59 |
IV.ARRO.EHE. | ML:1.3 | 0.00010899999999999999 | 1.02 | AML | other | m | 2020-09-29T02:40:10.47 |
IV.MGAB.HHE. | ML:1.5 | 0.00012747745 | 0.3408 | AML | other | m | 2020-09-29T02:40:11.08 |
IV.GAVE.HNE. | ML:1.6 | 0.0001935923 | 0.16 | AML | other | m | 2020-09-29T02:40:11.45 |
IV.GAVE.EHE. | ML:1.7 | 0.00021100000000000003 | 0.3 | AML | other | m | 2020-09-29T02:40:11.45 |
IV.MGAB.HHN. | ML:1.6 | 0.000141 | 0.14 | AML | other | m | 2020-09-29T02:40:11.86 |
IV.MGAB.HNE. | ML:1.6 | 0.00013934494999999998 | 0.2688 | AML | other | m | 2020-09-29T02:40:13.08 |
IV.CESI.HHE. | ML:1.0 | 0.000033587725 | 0.1792 | AML | other | m | 2020-09-29T02:40:13.21 |
IV.SACS.HHN. | ML:1.3 | 0.000054579519999999996 | 2.8192 | AML | other | m | 2020-09-29T02:40:14.61 |
IV.LNSS.HNE. | ML:1.8 | 0.00016888734999999998 | 0.4192 | AML | other | m | 2020-09-29T02:40:14.38 |
IV.LNSS.HHE. | ML:1.6 | 0.000104904945 | 0.3808 | AML | other | m | 2020-09-29T02:40:14.37 |
IV.NRCA.HHE. | ML:1.5 | 0.00007519364 | 0.1616 | AML | other | m | 2020-09-29T02:40:14.76 |
IV.LNSS.HHN. | ML:1.6 | 0.00011090961000000001 | 0.1392 | AML | other | m | 2020-09-29T02:40:15.11 |
IV.CESI.HHN. | ML:1.2 | 0.00005010772 | 0.36 | AML | other | m | 2020-09-29T02:40:15.64 |
IV.CESI.HNE. | ML:1.7 | 0.00015867365 | 0.7792 | AML | other | m | 2020-09-29T02:40:15.58 |
IV.NRCA.HHN. | ML:1.7 | 0.0001215 | 0.12 | AML | other | m | 2020-09-29T02:40:16.16 |
IV.FDMO.HHN. | ML:1.0 | 0.0000269915 | 0.16 | AML | other | m | 2020-09-29T02:40:17.28 |
IV.FDMO.HHE. | ML:1.1 | 0.000031020449999999995 | 0.1184 | AML | other | m | 2020-09-29T02:40:17.61 |
IV.MURB.HHN. | ML:1.7 | 0.0001175 | 1.68 | AML | other | m | 2020-09-29T02:40:18.96 |
IV.MURB.HNE. | ML:1.8 | 0.00014956175 | 0.3408 | AML | other | m | 2020-09-29T02:40:18.33 |
IV.MURB.HHE. | ML:1.8 | 0.00012795000000000002 | 0.42 | AML | other | m | 2020-09-29T02:40:18.63 |
IV.RM33.EHN. | ML:1.5 | 0.00006500000000000001 | 0.42 | AML | other | m | 2020-09-29T02:40:19.94 |
IV.MURB.HNN. | ML:1.8 | 0.00014050969000000001 | 0.6096 | AML | other | m | 2020-09-29T02:40:20.92 |
IV.SMA1.EHN. | ML:1.7 | 0.00008085 | 0.48 | AML | other | m | 2020-09-29T02:40:21.05 |
IV.RM33.EHE. | ML:1.6 | 0.0000732 | 1.16 | AML | other | m | 2020-09-29T02:40:21.68 |
IV.LNSS.HNN. | ML:1.7 | 0.00015283050000000002 | 0.6608 | AML | other | m | 2020-09-29T02:40:21.55 |
IV.SMA1.EHE. | ML:1.8 | 0.00010264999999999999 | 0.34 | AML | other | m | 2020-09-29T02:40:21.76 |
IV.SACS.HHE. | ML:1.2 | 0.00004277722 | 1.52 | AML | other | m | 2020-09-29T02:40:22.45 |
IV.CAFI.HHE. | ML:0.8 | 0.000012142529 | 0.32 | AML | other | m | 2020-09-29T02:40:23.44 |
IV.ATMI.HHE. | ML:1.7 | 0.0000848 | 1.66 | AML | other | m | 2020-09-29T02:40:23.08 |
IV.SRES.HHE. | ML:1.3 | 0.00004666401 | 2.9392 | AML | other | m | 2020-09-29T02:40:22.66 |
IV.ATMI.HHN. | ML:1.8 | 0.00011499999999999999 | 1.36 | AML | other | m | 2020-09-29T02:40:24.91 |
IV.RM33.HNN. | ML:1.9 | 0.00013570419 | 1.6704 | AML | other | m | 2020-09-29T02:40:26.91 |
IV.CAFI.HNN. | ML:2.0 | 0.00012992938500000002 | 0.8096 | AML | other | m | 2020-09-29T02:40:32.55 |
IV.CAFI.HHN. | ML:1.2 | 0.00002605933 | 2 | AML | other | m | 2020-09-29T02:40:37.23 |
IV.CAFI.HNE. | ML:2.0 | 0.00016107545000000002 | 1.9712 | AML | other | m | 2020-09-29T02:40:37.35 |