A magnitude ML 0.7 earthquake occured in region: 1 km E Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7740, 12.5410 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 | 1 | 3770 | 3770 |
Giano dell'Umbria | PG | 7 | 3846 | 7616 |
Acquasparta | TR | 9 | 4778 | 12394 |
Todi | PG | 11 | 16851 | 29245 |
Castel Ritaldi | PG | 12 | 3278 | 32523 |
Montecastrilli | TR | 14 | 5022 | 37545 |
Gualdo Cattaneo | PG | 15 | 6155 | 43700 |
Collazzone | PG | 16 | 3473 | 47173 |
Avigliano Umbro | TR | 16 | 2558 | 49731 |
Montefalco | PG | 16 | 5679 | 55410 |
Spoleto | PG | 17 | 38218 | 93628 |
Fratta Todina | PG | 17 | 1839 | 95467 |
Monte Castello di Vibio | PG | 17 | 1567 | 97034 |
San Gemini | TR | 18 | 5018 | 102052 |
Bevagna | PG | 19 | 5081 | 107133 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-09-03 20:45:38 |
42.7743 | 12.5412 | 8 | 2022-03-30 13:04:05 |
Bollettino Sismico Italiano INGV | 95258951 |
Reviewed Rev100 |
ML 0.7 | 2021-09-03 20:45:38 |
42.7793 | 12.5212 | 8 | 2021-09-03 20:53:08 |
Sala Sismica INGV-Roma | 95009151 |
Field | Value |
---|---|
Time (UTC) | 2021-09-03 20:45:38 ± 0.09 |
Latitude | 42.7743 ± 0.0045 |
Longitude | 12.5412 ± 0.0098 |
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 | 95258951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 766 |
Semi-minor axis of confidence ellipse (meter) | 460 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 770.0 |
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 | 29 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.26 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.58006 |
Number of stations at which the event was observed | 23 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95009151 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-03 20:53:08 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 95258951 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-10 06:15:58 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.MGRO.HHZ. | 2021-09-03T20:47:22.53 | 3.0 | undecidable | manual | Sn | 2.11 | 0 | |||
IV.MBAL.EHZ. | 2021-09-03T20:47:10.60 | 3.0 | undecidable | manual | Sn | 3.44 | 0 | |||
OX.VARN.HHZ. | 2021-09-03T20:47:09.73 | 3.0 | undecidable | manual | Sn | 0.74 | 0 | |||
MN.VAE.HHZ. | 2021-09-03T20:47:01.92 | 3.0 | positive | manual | Pn | -1.07 | 0 | |||
IV.ECTS.HHZ. | 2021-09-03T20:46:54.09 | 3.0 | positive | manual | Pn | -6.06 | 0 | |||
IV.NOCI.HHZ. | 2021-09-03T20:46:44.61 | 3.0 | positive | manual | Pn | 3.23 | 0 | |||
CH.BERNI.HHZ. | 2021-09-03T20:46:43.85 | 3.0 | undecidable | manual | Pn | 3.1 | 0 | |||
GU.GSCL.HHZ. | 2021-09-03T20:46:41.89 | 3.0 | undecidable | manual | Sn | 0.04 | 0 | |||
IV.VARE.HHZ. | 2021-09-03T20:46:41.97 | 3.0 | undecidable | manual | Pn | 0.46 | 0 | |||
IV.CRAC.EHZ. | 2021-09-03T20:46:37.35 | 3.0 | negative | manual | Pn | -2.13 | 0 | |||
IV.CADC.EHZ. | 2021-09-03T20:46:36.78 | 3.0 | positive | manual | Pg | 7.88 | 0 | |||
IX.NSC3.EHZ.02 | 2021-09-03T20:46:31.67 | 3.0 | undecidable | manual | Pg | 6.53 | 0 | |||
IV.FIR.HHZ. | 2021-09-03T20:46:21.01 | 3.0 | undecidable | manual | S | -2.56 | 0 | |||
IV.MNTT.EHZ. | 2021-09-03T20:45:57.23 | 3.0 | negative | manual | P | 0.69 | 0 | |||
IV.FDMO.HHZ. | 2021-09-03T20:45:55.69 | 0.3 | undecidable | manual | S | 57 | 53.1024 | 50 | 0.06 | 70 |
IV.MGAB.HHZ. | 2021-09-03T20:45:51.73 | 0.6 | undecidable | manual | S | 294 | 38.1285 | 50 | 0.08 | 48 |
IV.CSP1.EHZ. | 2021-09-03T20:45:49.91 | 0.3 | undecidable | manual | P | 57 | 64.3911 | 50 | -0.13 | 68 |
IV.ASSB.HHZ. | 2021-09-03T20:45:49.60 | 0.1 | undecidable | manual | S | 18 | 31.2465 | 104 | 0.17 | 95 |
IV.FDMO.HHZ. | 2021-09-03T20:45:48.28 | 0.3 | undecidable | manual | P | 57 | 53.1024 | 50 | -0.01 | 71 |
IV.NRCA.HHZ. | 2021-09-03T20:45:47.09 | 0.1 | undecidable | manual | P | 82 | 47.1195 | 50 | -0.28 | 90 |
IV.MGAB.HHZ. | 2021-09-03T20:45:45.74 | 0.1 | undecidable | manual | P | 294 | 38.1285 | 50 | -0.25 | 92 |
IV.ASSB.HHZ. | 2021-09-03T20:45:44.83 | 0.1 | undecidable | manual | P | 18 | 31.2465 | 104 | 0.11 | 96 |
IV.ARRO.EHZ. | 2021-09-03T20:45:44.36 | 0.1 | undecidable | manual | P | 140 | 28.3494 | 105 | 0.21 | 95 |
IV.CESX.HHZ. | 2021-09-03T20:45:44.96 | 0.1 | undecidable | manual | S | 169 | 18.7701 | 112 | -0.35 | 93 |
IV.CESX.HHZ. | 2021-09-03T20:45:42.91 | 0.1 | undecidable | manual | P | 169 | 18.7701 | 112 | 0.57 | 88 |
IT.GNU.HGE. | 2021-09-03T20:45:41.08 | 0.1 | undecidable | manual | S | 36 | 3.996 | 152 | -0.21 | 99 |
IV.MOMA.HHZ. | 2021-09-03T20:45:41.06 | 0.1 | undecidable | manual | S | 36 | 3.996 | 152 | -0.22 | 98 |
IV.MOMA.HHZ. | 2021-09-03T20:45:40.16 | 0.1 | positive | manual | P | 36 | 3.996 | 152 | 0.15 | 100 |
IT.GNU.HGE. | 2021-09-03T20:45:40.16 | 0.1 | undecidable | manual | P | 36 | 3.996 | 152 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHN. | ML:0.8 | 0.000050100000000000005 | 0.36 | AML | other | m | 2021-09-03T20:45:47.52 |
IV.CESX.HHE. | ML:0.8 | 0.00004770000000000001 | 0.44 | AML | other | m | 2021-09-03T20:45:49.59 |
IV.ASSB.HHE. | ML:0.6 | 0.00002135 | 1.18 | AML | other | m | 2021-09-03T20:45:50.19 |
IV.ASSB.HHN. | ML:0.6 | 0.00002205 | 1 | AML | other | m | 2021-09-03T20:45:51.29 |
IV.MGAB.HHE. | ML:0.6 | 0.00001645 | 0.58 | AML | other | m | 2021-09-03T20:45:53.25 |
IV.MGAB.HHN. | ML:0.7 | 0.00002 | 0.94 | AML | other | m | 2021-09-03T20:45:54.59 |
IV.NRCA.HHE. | ML:0.9 | 0.000025500000000000003 | 0.74 | AML | other | m | 2021-09-03T20:45:56.37 |
IV.NRCA.HHN. | ML:0.7 | 0.0000165 | 1.44 | AML | other | m | 2021-09-03T20:45:56.90 |
IV.FDMO.HHE. | ML:0.6 | 0.00001111 | 0.4 | AML | other | m | 2021-09-03T20:46:02.18 |
IV.FDMO.HHN. | ML:0.6 | 0.000010884999999999998 | 0.42 | AML | other | m | 2021-09-03T20:46:02.62 |