A magnitude ML 0.9 earthquake occured in region: 3 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7630, 12.5510 at 9 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 8 | 4778 | 8548 |
Giano dell'Umbria | PG | 8 | 3846 | 12394 |
Todi | PG | 12 | 16851 | 29245 |
Castel Ritaldi | PG | 12 | 3278 | 32523 |
Montecastrilli | TR | 14 | 5022 | 37545 |
Avigliano Umbro | TR | 16 | 2558 | 40103 |
Spoleto | PG | 16 | 38218 | 78321 |
Gualdo Cattaneo | PG | 16 | 6155 | 84476 |
San Gemini | TR | 17 | 5018 | 89494 |
Montefalco | PG | 17 | 5679 | 95173 |
Collazzone | PG | 17 | 3473 | 98646 |
Fratta Todina | PG | 18 | 1839 | 100485 |
Monte Castello di Vibio | PG | 18 | 1567 | 102052 |
Campello sul Clitunno | PG | 20 | 2442 | 104494 |
Bevagna | PG | 20 | 5081 | 109575 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-03-01 05:07:19 |
42.763 | 12.5508 | 9 | 2021-03-01 05:14:28 |
Sala Sismica INGV-Roma | 87593061 |
Field | Value |
---|---|
Time (UTC) | 2021-03-01 05:07:19 ± 0.03 |
Latitude | 42.7630 ± 0.0018 |
Longitude | 12.5508 ± 0.0024 |
Depth (km) | 9 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87593061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 236 |
Semi-minor axis of confidence ellipse (meter) | 188 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 63 |
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) | 125 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.04317 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41908 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | ML |
Reference to an origin | 87593061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-01 05:14:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MGAB.HHZ. | 2021-03-01T05:07:33.27 | 0.3 | undecidable | manual | S | 295 | 39.3273 | 50 | -0.06 | 72 |
IV.GAVE.EHZ. | 2021-03-01T05:07:30.34 | 0.3 | undecidable | manual | S | 106 | 29.0487 | 107 | -0.03 | 74 |
IV.NRCA.HHZ. | 2021-03-01T05:07:28.75 | 0.1 | positive | manual | P | 80 | 46.5201 | 50 | 0.01 | 96 |
IV.MGAB.HHZ. | 2021-03-01T05:07:27.67 | 0.6 | positive | manual | P | 295 | 39.3273 | 50 | 0.04 | 48 |
IV.CESX.HHZ. | 2021-03-01T05:07:26.53 | 0.3 | undecidable | manual | S | 170 | 17.3715 | 117 | -0.06 | 75 |
IV.GAVE.EHZ. | 2021-03-01T05:07:25.90 | 0.6 | undecidable | manual | P | 106 | 29.0487 | 107 | -0.02 | 49 |
IV.MOMA.HHZ. | 2021-03-01T05:07:23.22 | 0.3 | undecidable | manual | S | 19 | 4.7952 | 151 | -0.08 | 77 |
IV.CESX.HHZ. | 2021-03-01T05:07:23.81 | 0.1 | undecidable | manual | P | 170 | 17.3715 | 117 | 0.07 | 100 |
IV.MOMA.HHZ. | 2021-03-01T05:07:22.01 | 0.6 | undecidable | manual | P | 19 | 4.7952 | 151 | 0.17 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HNE. | ML:0.0 | 0.00036849615 | 0.1216 | AML | other | m | 2021-03-01T05:07:24.56 |
IV.MOMA.HHE. | ML:0.0 | 0.0003985347 | 0.1216 | AML | other | m | 2021-03-01T05:07:24.56 |
IV.MGAB.HHE. | ML:1.0 | 0.000036477955 | 0.24 | AML | other | m | 2021-03-01T05:07:34.70 |
IV.MGAB.HHN. | ML:0.9 | 0.00002780089 | 0.1408 | AML | other | m | 2021-03-01T05:07:36.06 |
IV.CESX.HHE. | ML:0.8 | 0.000047978915 | 0.2784 | AML | other | m | 2021-03-01T05:07:30.18 |
IV.CESX.HHN. | ML:0.7 | 0.000041643185 | 0.24 | AML | other | m | 2021-03-01T05:07:26.77 |
IV.GAVE.EHE. | ML:1.0 | 0.00004935167 | 0.1792 | AML | other | m | 2021-03-01T05:07:31.29 |
IV.GAVE.EHN. | ML:0.8 | 0.000034290534999999995 | 0.16 | AML | other | m | 2021-03-01T05:07:32.01 |
IV.GAVE.HNN. | ML:1.5 | 0.00015808404999999998 | 0.6912 | AML | other | m | 2021-03-01T05:07:34.45 |
IV.NRCA.HHE. | ML:1.0 | 0.000030499310000000002 | 0.1792 | AML | other | m | 2021-03-01T05:07:35.70 |
IV.NRCA.HHN. | ML:0.7 | 0.000016808745 | 0.16 | AML | other | m | 2021-03-01T05:07:37.94 |