A magnitude ML 1.6 earthquake occured in region: 4 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7460, 12.5490 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 | 4 | 3770 | 3770 |
Acquasparta | TR | 6 | 4778 | 8548 |
Giano dell'Umbria | PG | 10 | 3846 | 12394 |
Montecastrilli | TR | 12 | 5022 | 17416 |
Todi | PG | 12 | 16851 | 34267 |
Castel Ritaldi | PG | 13 | 3278 | 37545 |
Avigliano Umbro | TR | 14 | 2558 | 40103 |
San Gemini | TR | 15 | 5018 | 45121 |
Spoleto | PG | 16 | 38218 | 83339 |
Gualdo Cattaneo | PG | 18 | 6155 | 89494 |
Montefalco | PG | 19 | 5679 | 95173 |
Collazzone | PG | 19 | 3473 | 98646 |
Monte Castello di Vibio | PG | 19 | 1567 | 100213 |
Fratta Todina | PG | 19 | 1839 | 102052 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2020-08-05 00:16:41 |
42.7465 | 12.549 | 8 | 2020-11-19 12:36:57 |
Bollettino Sismico Italiano INGV | 81879011 |
Reviewed Rev100 |
ML 1.6 | 2020-08-05 00:16:41 |
42.739 | 12.5582 | 7 | 2020-08-05 00:22:19 |
Sala Sismica INGV-Roma | 81660451 |
Field | Value |
---|---|
Time (UTC) | 2020-08-05 00:16:41 ± 0.08 |
Latitude | 42.7465 ± 0.0036 |
Longitude | 12.5490 ± 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 | 81879011 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 548 |
Semi-minor axis of confidence ellipse (meter) | 295 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 48 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 550.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 31 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.72126 |
Number of stations at which the event was observed | 21 |
Number of stations from which data was used for origin computation | 18 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 81879011 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-08-11 13:43:03 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 81660451 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-08-05 00:22:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ROSPO.HHZ. | 2020-08-05T00:17:17.21 | 3.0 | positive | manual | Pg | 3.35 | 0 | |||
IV.LPEL.HHZ. | 2020-08-05T00:17:08.83 | 3.0 | undecidable | manual | P | 0.88 | 0 | |||
IV.SMA1.EHZ. | 2020-08-05T00:17:02.79 | 0.6 | undecidable | manual | S | 101 | 65.3901 | 50 | 0.38 | 42 |
IV.MMO1.EHZ. | 2020-08-05T00:17:02.98 | 0.6 | undecidable | manual | S | 75 | 65.49 | 50 | 0.53 | 40 |
IV.RM33.EHZ. | 2020-08-05T00:17:01.38 | 0.6 | undecidable | manual | S | 116 | 60.3951 | 50 | 0.31 | 43 |
IV.MC2.EHZ. | 2020-08-05T00:17:00.17 | 0.3 | undecidable | manual | S | 70 | 55.2003 | 50 | 0.48 | 62 |
IV.MURB.HHZ. | 2020-08-05T00:17:00.66 | 0.3 | undecidable | manual | S | 358 | 57.2982 | 50 | 0.4 | 63 |
IV.FDMO.HHZ. | 2020-08-05T00:16:58.97 | 0.6 | undecidable | manual | S | 53 | 54.3012 | 50 | -0.48 | 42 |
IV.NRCA.HHZ. | 2020-08-05T00:16:57.59 | 0.6 | undecidable | manual | S | 78 | 47.0196 | 50 | 0.08 | 46 |
IV.LNSS.HHZ. | 2020-08-05T00:16:56.36 | 0.6 | undecidable | manual | S | 112 | 43.1235 | 50 | -0.11 | 46 |
IV.MGAB.HHZ. | 2020-08-05T00:16:55.68 | 0.6 | undecidable | manual | S | 298 | 40.0266 | 50 | 0.04 | 47 |
IV.CAFI.HHZ. | 2020-08-05T00:16:55.83 | 0.3 | undecidable | manual | P | 324 | 80.0643 | 50 | -0.14 | 64 |
IV.MMO1.EHZ. | 2020-08-05T00:16:53.57 | 0.3 | undecidable | manual | P | 75 | 65.49 | 50 | -0.16 | 66 |
IV.ASSB.HHZ. | 2020-08-05T00:16:53.58 | 0.3 | undecidable | manual | S | 15 | 34.0437 | 103 | -0.36 | 66 |
IV.SMA1.EHZ. | 2020-08-05T00:16:53.36 | 0.3 | undecidable | manual | P | 101 | 65.3901 | 50 | -0.35 | 63 |
IV.RM33.EHZ. | 2020-08-05T00:16:52.66 | 0.3 | undecidable | manual | P | 116 | 60.3951 | 50 | -0.27 | 65 |
IV.MC2.EHZ. | 2020-08-05T00:16:52.19 | 0.1 | undecidable | manual | P | 70 | 55.2003 | 50 | 0.06 | 91 |
IV.MURB.HHZ. | 2020-08-05T00:16:52.33 | 0.3 | undecidable | manual | P | 358 | 57.2982 | 50 | -0.13 | 67 |
IV.FDMO.HHZ. | 2020-08-05T00:16:51.91 | 0.1 | undecidable | manual | P | 53 | 54.3012 | 50 | -0.09 | 90 |
IV.SACS.HHZ. | 2020-08-05T00:16:51.91 | 0.3 | undecidable | manual | P | 283 | 53.3022 | 50 | 0.07 | 68 |
IV.ATCC.EHE. | 2020-08-05T00:16:51.36 | 0.3 | undecidable | manual | P | 9 | 49.2174 | 50 | 0.15 | 68 |
IV.NRCA.HHZ. | 2020-08-05T00:16:50.75 | 0.1 | negative | manual | P | 78 | 47.0196 | 50 | -0.12 | 91 |
IV.ARRO.EHZ. | 2020-08-05T00:16:50.90 | 0.1 | undecidable | manual | S | 136 | 25.6521 | 107 | -0.22 | 93 |
IV.LNSS.HHZ. | 2020-08-05T00:16:50.11 | 0.1 | undecidable | manual | P | 112 | 43.1235 | 50 | -0.16 | 91 |
IV.CESI.HHE. | 2020-08-05T00:16:49.84 | 0.1 | undecidable | manual | P | 45 | 40.7259 | 50 | -0.06 | 93 |
IV.MGAB.HHZ. | 2020-08-05T00:16:49.73 | 0.1 | undecidable | manual | P | 298 | 40.0266 | 50 | -0.07 | 93 |
IV.TRN1.HGZ. | 2020-08-05T00:16:48.04 | 3.0 | undecidable | manual | P | 0 | ||||
IV.ASSB.HHZ. | 2020-08-05T00:16:48.72 | 0.1 | undecidable | manual | P | 15 | 34.0437 | 103 | -0.09 | 94 |
IV.ARRO.EHZ. | 2020-08-05T00:16:47.51 | 0.1 | undecidable | manual | P | 136 | 25.6521 | 107 | 0.32 | 91 |
IT.FOPC.HGN. | 2020-08-05T00:16:47.13 | 0.1 | undecidable | manual | P | 27 | 27.75 | 106 | -0.46 | 88 |
IV.MOMA.HHZ. | 2020-08-05T00:16:45.39 | 0.1 | undecidable | manual | S | 15 | 6.5934 | 140 | -0.01 | 100 |
IT.GNU.HGE. | 2020-08-05T00:16:45.49 | 0.1 | undecidable | manual | S | 15 | 6.5934 | 140 | 0.09 | 98 |
IV.MOMA.HHZ. | 2020-08-05T00:16:44.22 | 0.1 | positive | manual | P | 15 | 6.5934 | 140 | 0.34 | 93 |
IT.GNU.HGE. | 2020-08-05T00:16:44.21 | 0.1 | undecidable | manual | P | 15 | 6.5934 | 140 | 0.33 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ARRO.EHN. | ML:1.5 | 0.000182 | 0.62 | AML | other | m | 2020-08-05T00:16:53.54 |
IV.ARRO.EHE. | ML:1.5 | 0.0001675 | 0.76 | AML | other | m | 2020-08-05T00:16:54.30 |
IV.MGAB.HHE. | ML:1.8 | 0.0002415 | 0.28 | AML | other | m | 2020-08-05T00:16:56.95 |
IV.LNSS.HHN. | ML:1.6 | 0.00011549999999999999 | 1.54 | AML | other | m | 2020-08-05T00:16:57.92 |
IV.MGAB.HHN. | ML:1.7 | 0.00015900000000000002 | 0.54 | AML | other | m | 2020-08-05T00:16:57.72 |
IV.LNSS.HHE. | ML:1.6 | 0.00014000000000000001 | 0.72 | AML | other | m | 2020-08-05T00:16:58.02 |
IV.NRCA.HHE. | ML:1.6 | 0.00010765 | 0.12 | AML | other | m | 2020-08-05T00:16:59.11 |
IV.NRCA.HHN. | ML:1.7 | 0.00013800000000000002 | 1.1 | AML | other | m | 2020-08-05T00:16:59.03 |
IV.FDMO.HHE. | ML:1.4 | 0.000062 | 0.9 | AML | other | m | 2020-08-05T00:17:00.90 |
IV.MURB.HHN. | ML:1.9 | 0.000165 | 0.44 | AML | other | m | 2020-08-05T00:17:02.55 |
IV.MURB.HHE. | ML:1.9 | 0.0001855 | 0.28 | AML | other | m | 2020-08-05T00:17:03.71 |
IV.SMA1.EHE. | ML:1.7 | 0.00010085 | 0.42 | AML | other | m | 2020-08-05T00:17:04.82 |
IV.SMA1.EHN. | ML:1.6 | 0.00007189999999999999 | 0.22 | AML | other | m | 2020-08-05T00:17:04.85 |
IV.FDMO.HHN. | ML:1.3 | 0.0000477 | 0.82 | AML | other | m | 2020-08-05T00:17:06.43 |