A magnitude ML 1.2 earthquake occured in region: 2 km E Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7700, 12.5500 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 |
Giano dell'Umbria | PG | 8 | 3846 | 7616 |
Acquasparta | TR | 9 | 4778 | 12394 |
Castel Ritaldi | PG | 12 | 3278 | 15672 |
Todi | PG | 12 | 16851 | 32523 |
Montecastrilli | TR | 14 | 5022 | 37545 |
Gualdo Cattaneo | PG | 16 | 6155 | 43700 |
Spoleto | PG | 16 | 38218 | 81918 |
Avigliano Umbro | TR | 16 | 2558 | 84476 |
Montefalco | PG | 16 | 5679 | 90155 |
Collazzone | PG | 17 | 3473 | 93628 |
San Gemini | TR | 17 | 5018 | 98646 |
Fratta Todina | PG | 18 | 1839 | 100485 |
Monte Castello di Vibio | PG | 18 | 1567 | 102052 |
Bevagna | PG | 19 | 5081 | 107133 |
Campello sul Clitunno | PG | 19 | 2442 | 109575 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-11-16 12:55:51 |
42.7703 | 12.5498 | 8 | 2022-03-30 13:04:16 |
Bollettino Sismico Italiano INGV | 97529141 |
Reviewed Rev100 |
ML 1.2 | 2021-11-16 12:55:51 |
42.7782 | 12.5633 | 8 | 2021-11-16 13:06:53 |
Sala Sismica INGV-Roma | 97492761 |
Field | Value |
---|---|
Time (UTC) | 2021-11-16 12:55:51 ± 0.07 |
Latitude | 42.7703 ± 0.0036 |
Longitude | 12.5498 ± 0.0061 |
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 | 97529141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 523 |
Semi-minor axis of confidence ellipse (meter) | 295 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 520.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 17 |
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) | 0.53420 |
Number of stations at which the event was observed | 22 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 97529141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-17 21:36:37 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 97492761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-16 13:06:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GRIS.EHZ. | 2021-11-16T12:57:47.80 | 3.0 | undecidable | manual | Sg | 5.73 | 0 | |||
IV.APPI.EHZ. | 2021-11-16T12:57:44.54 | 3.0 | undecidable | manual | Sg | 4.11 | 0 | |||
IV.SGAL.EHZ. | 2021-11-16T12:57:33.19 | 3.0 | undecidable | manual | Sg | 7.53 | 0 | |||
IX.PGN3.HHZ.02 | 2021-11-16T12:57:28.50 | 3.0 | undecidable | manual | Sn | 2.06 | 0 | |||
IV.PZUN.HHZ. | 2021-11-16T12:57:26.84 | 3.0 | undecidable | manual | Sn | 1.47 | 0 | |||
IV.GIZZ.HHZ. | 2021-11-16T12:57:18.74 | 3.0 | positive | manual | Pg | 13.84 | 0 | |||
IV.ERC.EHZ. | 2021-11-16T12:57:14.04 | 3.0 | undecidable | manual | Pg | 8.79 | 0 | |||
IV.MARS.HNZ. | 2021-11-16T12:57:10.64 | 3.0 | undecidable | manual | Pn | 1.49 | 0 | |||
IV.TDS.HHZ. | 2021-11-16T12:57:10.04 | 3.0 | undecidable | manual | Pg | 11.6 | 0 | |||
IV.SGAL.EHZ. | 2021-11-16T12:56:54.13 | 3.0 | positive | manual | Pg | 9.07 | 0 | |||
IV.VOBA.EHZ. | 2021-11-16T12:56:47.47 | 3.0 | negative | manual | Pg | 2.36 | 0 | |||
IV.NDIM.HHZ. | 2021-11-16T12:56:34.05 | 3.0 | negative | manual | Pn | -0.13 | 0 | |||
IV.MSSA.HHZ. | 2021-11-16T12:56:33.99 | 3.0 | undecidable | manual | Pn | -3.69 | 0 | |||
IV.PII.HHZ. | 2021-11-16T12:56:24.44 | 3.0 | negative | manual | Pg | -0.42 | 0 | |||
IV.CESI.HHZ. | 2021-11-16T12:56:04.83 | 0.3 | undecidable | manual | S | 48 | 38.8278 | 50 | 0.18 | 68 |
IV.MGAB.HHZ. | 2021-11-16T12:56:04.51 | 0.3 | undecidable | manual | S | 294 | 38.9277 | 50 | -0.17 | 69 |
IV.SRES.HHZ. | 2021-11-16T12:56:02.03 | 0.3 | undecidable | manual | P | 183 | 59.2962 | 50 | -0.03 | 68 |
IV.ASSB.HHN. | 2021-11-16T12:56:02.39 | 0.3 | undecidable | manual | S | 16 | 31.4463 | 104 | 0.08 | 71 |
IV.ARRO.EHZ. | 2021-11-16T12:56:01.65 | 1.0 | undecidable | manual | S | 140 | 27.5502 | 106 | 0.65 | 21 |
IV.GAVE.EHZ. | 2021-11-16T12:56:01.66 | 0.3 | undecidable | manual | S | 107 | 29.3484 | 105 | 0.05 | 71 |
IV.MGAB.HHZ. | 2021-11-16T12:55:59.02 | 0.1 | undecidable | manual | P | 294 | 38.9277 | 50 | 0.09 | 93 |
IV.CESI.HHZ. | 2021-11-16T12:55:58.66 | 0.1 | undecidable | manual | P | 48 | 38.8278 | 50 | -0.25 | 90 |
IV.CESX.HHZ. | 2021-11-16T12:55:57.76 | 0.3 | undecidable | manual | S | 170 | 18.1707 | 113 | -0.17 | 71 |
IV.ASSB.HHN. | 2021-11-16T12:55:57.79 | 0.1 | undecidable | manual | P | 16 | 31.4463 | 104 | 0.23 | 92 |
IV.GAVE.EHZ. | 2021-11-16T12:55:56.95 | 0.1 | undecidable | manual | P | 107 | 29.3484 | 105 | -0.21 | 92 |
IV.ARRO.EHZ. | 2021-11-16T12:55:56.50 | 0.1 | undecidable | manual | P | 140 | 27.5502 | 106 | -0.31 | 91 |
IV.CESX.HHZ. | 2021-11-16T12:55:55.54 | 0.1 | undecidable | manual | P | 170 | 18.1707 | 113 | 0.51 | 88 |
IV.MOMA.HHZ. | 2021-11-16T12:55:54.01 | 0.3 | undecidable | manual | S | 24 | 4.0959 | 152 | -0.08 | 74 |
IT.GNU.HGE. | 2021-11-16T12:55:53.97 | 0.1 | undecidable | manual | S | 24 | 4.0959 | 152 | -0.12 | 98 |
IT.GNU.HGE. | 2021-11-16T12:55:52.84 | 0.1 | negative | manual | P | 24 | 4.0959 | 152 | 0.03 | 100 |
IV.MOMA.HHZ. | 2021-11-16T12:55:52.84 | 0.1 | negative | manual | P | 24 | 4.0959 | 152 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:1.3 | 0.000156 | 0.42 | AML | other | m | 2021-11-16T12:56:01.49 |
IV.CESX.HHE. | ML:1.2 | 0.0001255 | 0.58 | AML | other | m | 2021-11-16T12:56:01.27 |