A magnitude ML 1.4 earthquake occured in region: 4 km S Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7380, 12.5200 at 9 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 | 4 | 3770 | 3770 |
Acquasparta | TR | 6 | 4778 | 8548 |
Montecastrilli | TR | 10 | 5022 | 13570 |
Todi | PG | 11 | 16851 | 30421 |
Avigliano Umbro | TR | 12 | 2558 | 32979 |
Giano dell'Umbria | PG | 12 | 3846 | 36825 |
San Gemini | TR | 14 | 5018 | 41843 |
Castel Ritaldi | PG | 16 | 3278 | 45121 |
Monte Castello di Vibio | PG | 18 | 1567 | 46688 |
Spoleto | PG | 18 | 38218 | 84906 |
Fratta Todina | PG | 18 | 1839 | 86745 |
Collazzone | PG | 19 | 3473 | 90218 |
Gualdo Cattaneo | PG | 19 | 6155 | 96373 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.4 | 2021-03-11 03:01:59 |
42.7375 | 12.5197 | 9 | 2021-07-12 16:55:02 |
Bollettino Sismico Italiano INGV | 88151991 |
Reviewed Rev100 |
ML 1.4 | 2021-03-11 03:01:59 |
42.7362 | 12.5193 | 9 | 2021-03-11 03:48:38 |
Sala Sismica INGV-Roma | 87987451 |
Field | Value |
---|---|
Time (UTC) | 2021-03-11 03:01:59 ± 0.04 |
Latitude | 42.7375 ± 0.0018 |
Longitude | 12.5197 ± 0.0037 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88151991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 236 |
Semi-minor axis of confidence ellipse (meter) | 230 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 70 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 57 |
Number of associated phases, regardless of their use for origin computation | 38 |
Number of defining phases | 38 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.07554 |
Epicentral distance of station farthest from the epicenter (degree) | 0.72845 |
Number of stations at which the event was observed | 26 |
Number of stations from which data was used for origin computation | 26 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 88151991 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-15 11:04:19 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 87987451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-11 03:48:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SRES.HHN. | 2021-03-11T03:02:16.94 | 0.3 | undecidable | manual | S | 181 | 55.5 | 50 | 0.01 | 70 |
IV.FEMA.HNE. | 2021-03-11T03:02:15.76 | 0.6 | undecidable | manual | S | 60 | 49.8168 | 50 | 0.36 | 44 |
IV.NRCA.HHZ. | 2021-03-11T03:02:15.63 | 0.3 | undecidable | manual | S | 77 | 49.617 | 50 | 0.29 | 67 |
IV.LNSS.HHZ. | 2021-03-11T03:02:14.27 | 0.3 | undecidable | manual | S | 109 | 45.0216 | 50 | 0.15 | 70 |
IV.CESI.HHZ. | 2021-03-11T03:02:13.72 | 0.3 | undecidable | manual | S | 46 | 43.1235 | 50 | 0.1 | 71 |
IV.MGAB.HHZ. | 2021-03-11T03:02:12.35 | 0.3 | undecidable | manual | S | 301 | 38.4282 | 50 | -0.01 | 73 |
IV.EL6.EHZ. | 2021-03-11T03:02:12.86 | 0.6 | undecidable | manual | P | 36 | 80.8635 | 50 | -0.44 | 41 |
TV.SF14.HHN. | 2021-03-11T03:02:12.59 | 0.1 | undecidable | manual | P | 272 | 73.7706 | 50 | 0.38 | 84 |
IV.SMA1.EHZ. | 2021-03-11T03:02:11.45 | 0.3 | undecidable | manual | P | 100 | 67.5768 | 50 | 0.19 | 66 |
IV.CSP1.EHZ. | 2021-03-11T03:02:11.25 | 0.3 | undecidable | manual | P | 55 | 68.1762 | 50 | -0.09 | 68 |
IV.BARO.HNZ. | 2021-03-11T03:02:11.29 | 0.6 | undecidable | manual | P | 215 | 66.4779 | 50 | 0.21 | 44 |
IV.MMO1.EHZ. | 2021-03-11T03:02:11.25 | 0.3 | undecidable | manual | P | 74 | 68.0763 | 50 | -0.09 | 68 |
IV.ATVA.EHN. | 2021-03-11T03:02:10.55 | 0.3 | undecidable | manual | P | 343 | 62.9925 | 50 | 0 | 70 |
IV.GAVE.EHZ. | 2021-03-11T03:02:10.06 | 0.3 | undecidable | manual | S | 99 | 30.9468 | 106 | -0.21 | 71 |
IV.RM33.HNE. | 2021-03-11T03:02:10.69 | 0.6 | undecidable | manual | P | 114 | 62.0934 | 50 | 0.27 | 44 |
IV.ATLO.EHE. | 2021-03-11T03:02:10.92 | 0.6 | undecidable | manual | P | 352 | 64.6908 | 50 | 0.1 | 45 |
IT.FOPC.HGZ. | 2021-03-11T03:02:09.95 | 0.3 | undecidable | manual | S | 30 | 29.748 | 106 | 0.07 | 73 |
IV.MC2.EHZ. | 2021-03-11T03:02:09.55 | 0.1 | undecidable | manual | P | 70 | 57.7977 | 50 | -0.2 | 90 |
IV.SRES.HHN. | 2021-03-11T03:02:09.47 | 0.1 | undecidable | manual | P | 181 | 55.5 | 50 | 0.07 | 93 |
IV.MML1.HNE. | 2021-03-11T03:02:09.19 | 0.3 | undecidable | manual | P | 41 | 55.5999 | 50 | -0.22 | 68 |
IV.FDMO.HHZ. | 2021-03-11T03:02:09.42 | 0.3 | undecidable | manual | P | 54 | 56.7987 | 50 | -0.18 | 68 |
IV.SACS.HHZ. | 2021-03-11T03:02:08.35 | 0.3 | undecidable | manual | P | 284 | 51.2154 | 50 | -0.38 | 66 |
IV.ARRO.EHZ. | 2021-03-11T03:02:08.66 | 0.3 | undecidable | manual | S | 131 | 26.6511 | 108 | -0.19 | 71 |
IV.FEMA.HNE. | 2021-03-11T03:02:08.60 | 0.1 | undecidable | manual | P | 60 | 49.8168 | 50 | 0.08 | 93 |
IV.NRCA.HHZ. | 2021-03-11T03:02:08.30 | 0.3 | undecidable | manual | P | 77 | 49.617 | 50 | -0.18 | 69 |
IV.ATCC.EHE. | 2021-03-11T03:02:08.56 | 0.1 | undecidable | manual | P | 11 | 50.616 | 50 | -0.08 | 93 |
IV.CESI.HHZ. | 2021-03-11T03:02:07.36 | 0.1 | undecidable | manual | P | 46 | 43.1235 | 50 | -0.13 | 94 |
IV.LNSS.HHZ. | 2021-03-11T03:02:07.65 | 0.3 | undecidable | manual | P | 109 | 45.0216 | 50 | -0.13 | 70 |
IV.MGAB.HHZ. | 2021-03-11T03:02:06.59 | 0.1 | undecidable | manual | P | 301 | 38.4282 | 50 | -0.17 | 94 |
IT.FOPC.HGZ. | 2021-03-11T03:02:05.41 | 0.3 | undecidable | manual | P | 30 | 29.748 | 106 | 0.08 | 73 |
IV.GAVE.EHZ. | 2021-03-11T03:02:05.52 | 0.1 | undecidable | manual | P | 99 | 30.9468 | 106 | -0.04 | 98 |
IV.CESX.HHZ. | 2021-03-11T03:02:05.09 | 0.6 | undecidable | manual | S | 159 | 15.3735 | 120 | -0.14 | 49 |
IV.ARRO.EHZ. | 2021-03-11T03:02:04.89 | 0.3 | undecidable | manual | P | 131 | 26.6511 | 108 | 0.15 | 72 |
IT.GNU.HGZ. | 2021-03-11T03:02:03.27 | 0.3 | undecidable | manual | S | 29 | 8.3805 | 136 | -0.05 | 76 |
IV.MOMA.HHZ. | 2021-03-11T03:02:03.44 | 0.3 | undecidable | manual | S | 29 | 8.3805 | 136 | 0.12 | 75 |
IV.CESX.HHZ. | 2021-03-11T03:02:02.74 | 0.3 | undecidable | manual | P | 159 | 15.3735 | 120 | 0.09 | 74 |
IV.MOMA.HHZ. | 2021-03-11T03:02:01.65 | 0.1 | undecidable | manual | P | 29 | 8.3805 | 136 | 0.11 | 100 |
IT.GNU.HGZ. | 2021-03-11T03:02:01.65 | 0.1 | undecidable | manual | P | 29 | 8.3805 | 136 | 0.11 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:1.6 | 0.0005589999999999999 | 0.14 | AML | other | m | 2021-03-11T03:02:04.65 |
IV.MOMA.HNN. | ML:1.5 | 0.0005155000000000001 | 0.14 | AML | other | m | 2021-03-11T03:02:04.58 |
IV.MOMA.HHE. | ML:1.8 | 0.000875 | 0.18 | AML | other | m | 2021-03-11T03:02:04.61 |
IV.MOMA.HNE. | ML:1.8 | 0.0008494999999999999 | 0.18 | AML | other | m | 2021-03-11T03:02:04.70 |
IV.CESX.HHN. | ML:1.3 | 0.00018099999999999998 | 0.22 | AML | other | m | 2021-03-11T03:02:07.34 |
IV.CESX.HHE. | ML:1.2 | 0.000142 | 1.56 | AML | other | m | 2021-03-11T03:02:08.87 |
IV.GAVE.EHN. | ML:1.3 | 0.00009345000000000001 | 1.14 | AML | other | m | 2021-03-11T03:02:12.10 |
IV.MGAB.HHE. | ML:1.3 | 0.0000751 | 0.18 | AML | other | m | 2021-03-11T03:02:13.67 |
IV.GAVE.EHE. | ML:1.4 | 0.00010499999999999999 | 1.6 | AML | other | m | 2021-03-11T03:02:13.92 |
IV.MGAB.HHN. | ML:1.3 | 0.00008015 | 0.82 | AML | other | m | 2021-03-11T03:02:15.57 |
IV.CESI.HHN. | ML:1.3 | 0.00006604999999999999 | 0.48 | AML | other | m | 2021-03-11T03:02:15.55 |
IV.CESI.HHE. | ML:1.1 | 0.00004125 | 0.16 | AML | other | m | 2021-03-11T03:02:15.73 |
IV.NRCA.HHN. | ML:1.6 | 0.0000967 | 1 | AML | other | m | 2021-03-11T03:02:16.89 |
IV.NRCA.HHE. | ML:1.5 | 0.00008745 | 0.12 | AML | other | m | 2021-03-11T03:02:17.91 |