A magnitude ML 1.8 earthquake occured in region: 5 km E Terni (TR), on
and geographic coordinates (lat, lon) 42.5450, 12.7080 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 |
---|---|---|---|---|
Terni | TR | 5 | 111501 | 111501 |
Stroncone | TR | 6 | 4917 | 116418 |
Arrone | TR | 7 | 2763 | 119181 |
Montefranco | TR | 8 | 1276 | 120457 |
Colli sul Velino | RI | 8 | 533 | 120990 |
Labro | RI | 8 | 374 | 121364 |
Morro Reatino | RI | 11 | 373 | 121737 |
Ferentillo | TR | 11 | 1913 | 123650 |
Greccio | RI | 11 | 1558 | 125208 |
Polino | TR | 12 | 233 | 125441 |
Rivodutri | RI | 13 | 1253 | 126694 |
Configni | RI | 14 | 633 | 127327 |
San Gemini | TR | 15 | 5018 | 132345 |
Poggio Bustone | RI | 15 | 2055 | 134400 |
Cottanello | RI | 15 | 563 | 134963 |
Contigliano | RI | 16 | 3783 | 138746 |
Narni | TR | 16 | 19785 | 158531 |
Montasola | RI | 18 | 395 | 158926 |
Cantalice | RI | 18 | 2755 | 161681 |
Vacone | RI | 19 | 256 | 161937 |
Calvi dell'Umbria | TR | 20 | 1856 | 163793 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.8 | 2021-08-12 23:31:23 |
42.545 | 12.7077 | 8 | 2021-12-29 11:12:24 |
Bollettino Sismico Italiano INGV | 94918751 |
Reviewed Rev100 |
ML 1.9 | 2021-08-12 23:31:23 |
42.547 | 12.7087 | 8 | 2021-08-12 23:39:52 |
Sala Sismica INGV-Roma | 94040991 |
Field | Value |
---|---|
Time (UTC) | 2021-08-12 23:31:23 ± 0.06 |
Latitude | 42.5450 ± 0.0027 |
Longitude | 12.7077 ± 0.0037 |
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 | 94918751 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 306 |
Semi-minor axis of confidence ellipse (meter) | 217 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 42 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 67 |
Number of associated phases, regardless of their use for origin computation | 66 |
Number of defining phases | 58 |
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) | 0.99825 |
Number of stations at which the event was observed | 43 |
Number of stations from which data was used for origin computation | 35 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.3 |
Num. used stations | 48 |
Type of magnitude | ML |
Reference to an origin | 94918751 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-09-18 17:19:15 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.2 |
Num. used stations | 38 |
Type of magnitude | ML |
Reference to an origin | 94040991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-08-12 23:39:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.IMI.HHZ. | 2021-08-12T23:33:09.73 | 3.0 | undecidable | manual | Sn | 2.96 | 0 | |||
IV.ZEN8.EHZ. | 2021-08-12T23:33:01.82 | 3.0 | undecidable | manual | Sn | 4.22 | 0 | |||
IV.PLLN.EHZ. | 2021-08-12T23:32:38.81 | 3.0 | positive | manual | Pn | 4.57 | 0 | |||
GU.MGRO.HHZ. | 2021-08-12T23:32:34.26 | 3.0 | undecidable | manual | Pg | 11.18 | 0 | |||
CR.STON.BHZ. | 2021-08-12T23:32:29.00 | 3.0 | negative | manual | Pg | 8.34 | 0 | |||
IX.SCL3.EHZ.02 | 2021-08-12T23:32:12.05 | 3.0 | positive | manual | Pn | 3.61 | 0 | |||
GU.GRAM.HHZ. | 2021-08-12T23:32:08.03 | 3.0 | negative | manual | Pn | 0.69 | 0 | |||
IV.MTMR.EHZ. | 2021-08-12T23:32:03.05 | 3.0 | undecidable | manual | Pn | 0.57 | 0 | |||
IV.CSP1.EHZ. | 2021-08-12T23:31:46.84 | 1.0 | undecidable | manual | S | 34 | 72.8715 | 50 | 0.43 | 21 |
IV.CERT.HHZ. | 2021-08-12T23:31:45.72 | 1.0 | undecidable | manual | S | 161 | 69.8745 | 50 | 0.12 | 23 |
IV.MGAB.HHZ. | 2021-08-12T23:31:44.72 | 1.0 | undecidable | manual | S | 310 | 63.3921 | 50 | 0.84 | 19 |
IV.MMO1.EHZ. | 2021-08-12T23:31:44.26 | 1.0 | undecidable | manual | S | 52 | 63.9915 | 50 | 0.23 | 23 |
IV.FDMO.HHZ. | 2021-08-12T23:31:43.88 | 0.3 | undecidable | manual | S | 29 | 62.6928 | 50 | 0.2 | 69 |
IV.MC2.EHZ. | 2021-08-12T23:31:42.00 | 0.6 | undecidable | manual | S | 44 | 56.499 | 50 | -0.03 | 48 |
IV.PIEI.HHZ. | 2021-08-12T23:31:42.82 | 0.3 | undecidable | manual | P | 353 | 110.8002 | 50 | 0.13 | 63 |
IV.MNTT.EHZ. | 2021-08-12T23:31:41.22 | 0.3 | undecidable | manual | P | 51 | 92.241 | 50 | 1.39 | 41 |
IV.FEMA.HNE. | 2021-08-12T23:31:41.84 | 1.0 | undecidable | manual | S | 31 | 54.0015 | 50 | 0.47 | 22 |
IT.MTCL.HGE. | 2021-08-12T23:31:41.58 | 1.0 | undecidable | manual | S | 25 | 55.2003 | 50 | -0.1 | 24 |
IV.ASSB.HHZ. | 2021-08-12T23:31:41.83 | 0.3 | undecidable | manual | S | 356 | 55.3002 | 50 | 0.1 | 71 |
IV.CING.HHZ. | 2021-08-12T23:31:41.10 | 0.3 | undecidable | manual | P | 23 | 100.3218 | 50 | 0.03 | 66 |
IV.CESI.HHZ. | 2021-08-12T23:31:41.33 | 0.3 | undecidable | manual | S | 17 | 53.502 | 50 | 0.1 | 71 |
IV.SMA1.EHZ. | 2021-08-12T23:31:40.93 | 1.0 | undecidable | manual | S | 79 | 52.1034 | 50 | 0.06 | 24 |
IV.OFFI.HHZ. | 2021-08-12T23:31:40.70 | 0.3 | undecidable | manual | P | 61 | 90.6426 | 50 | 1.12 | 47 |
IV.FIAM.HHZ. | 2021-08-12T23:31:39.19 | 1.0 | undecidable | manual | S | 132 | 45.5211 | 50 | 0.09 | 24 |
IV.T1299.HNN. | 2021-08-12T23:31:39.37 | 0.6 | undecidable | manual | S | 78 | 47.9187 | 50 | -0.39 | 45 |
IT.FOPC.HGN. | 2021-08-12T23:31:39.64 | 1.0 | undecidable | manual | S | 360 | 47.1195 | 50 | 0.11 | 24 |
IV.NRCA.HHZ. | 2021-08-12T23:31:39.14 | 0.3 | undecidable | manual | S | 46 | 46.1205 | 50 | -0.11 | 72 |
IV.EL6.EHZ. | 2021-08-12T23:31:39.80 | 0.3 | undecidable | manual | P | 20 | 92.7405 | 50 | -0.1 | 66 |
IV.FOSV.EHZ. | 2021-08-12T23:31:38.43 | 0.3 | undecidable | manual | P | 3 | 83.25 | 50 | -0.02 | 69 |
IV.MURB.HHZ. | 2021-08-12T23:31:38.13 | 0.3 | undecidable | manual | P | 349 | 81.0522 | 50 | 0.03 | 69 |
IV.MF5.EHZ. | 2021-08-12T23:31:38.30 | 0.6 | undecidable | manual | P | 51 | 78.4659 | 50 | 0.58 | 40 |
IV.SRES.HHZ. | 2021-08-12T23:31:37.42 | 0.6 | undecidable | manual | S | 205 | 37.8288 | 50 | 0.37 | 46 |
IV.TOLF.HHZ. | 2021-08-12T23:31:37.76 | 0.6 | undecidable | manual | P | 228 | 78.8655 | 50 | -0.01 | 46 |
IV.RM33.EHZ. | 2021-08-12T23:31:37.65 | 0.3 | undecidable | manual | S | 95 | 41.625 | 50 | -0.42 | 68 |
IV.CSP1.EHZ. | 2021-08-12T23:31:36.80 | 0.3 | undecidable | manual | P | 34 | 72.8715 | 50 | -0.05 | 70 |
IV.CERT.HHZ. | 2021-08-12T23:31:36.08 | 0.3 | undecidable | manual | P | 161 | 69.8745 | 50 | -0.3 | 66 |
IV.ATCC.EHZ. | 2021-08-12T23:31:36.49 | 0.1 | undecidable | manual | P | 356 | 71.1732 | 50 | -0.1 | 92 |
IT.MMP1.HGE. | 2021-08-12T23:31:35.04 | 1.0 | undecidable | manual | S | 174 | 32.9448 | 103 | -0.51 | 23 |
IV.MGAB.HHZ. | 2021-08-12T23:31:35.47 | 0.3 | undecidable | manual | P | 310 | 63.3921 | 50 | 0.09 | 70 |
IV.FDMO.HHZ. | 2021-08-12T23:31:35.03 | 0.1 | undecidable | manual | P | 29 | 62.6928 | 50 | -0.24 | 91 |
IV.BARO.EHE. | 2021-08-12T23:31:35.41 | 0.3 | undecidable | manual | P | 239 | 63.0924 | 50 | 0.07 | 71 |
IV.MMO1.EHZ. | 2021-08-12T23:31:35.19 | 0.3 | undecidable | manual | P | 52 | 63.9915 | 50 | -0.28 | 67 |
IV.MC2.EHZ. | 2021-08-12T23:31:34.23 | 0.1 | undecidable | manual | P | 44 | 56.499 | 50 | -0.09 | 95 |
IV.MOMA.HHZ. | 2021-08-12T23:31:34.43 | 0.6 | undecidable | manual | S | 339 | 30.8469 | 104 | -0.39 | 47 |
IV.MTCE.HHE. | 2021-08-12T23:31:34.69 | 0.6 | undecidable | manual | P | 177 | 57.9975 | 50 | 0.14 | 47 |
IT.GNU.HGZ. | 2021-08-12T23:31:34.60 | 0.6 | undecidable | manual | S | 339 | 30.8469 | 104 | -0.22 | 48 |
IV.ASSB.HHZ. | 2021-08-12T23:31:33.84 | 0.1 | undecidable | manual | P | 356 | 55.3002 | 50 | -0.3 | 91 |
IV.LNSS.HHZ. | 2021-08-12T23:31:33.81 | 0.3 | undecidable | manual | S | 77 | 27.9498 | 106 | -0.03 | 76 |
IV.CESI.HHZ. | 2021-08-12T23:31:33.59 | 0.1 | undecidable | manual | P | 17 | 53.502 | 50 | -0.26 | 92 |
IV.SMA1.EHZ. | 2021-08-12T23:31:33.64 | 0.1 | undecidable | manual | P | 79 | 52.1034 | 50 | -0.01 | 97 |
IV.FEMA.HNE. | 2021-08-12T23:31:33.83 | 0.6 | undecidable | manual | P | 31 | 54.0015 | 50 | -0.11 | 47 |
IT.MTCL.HGE. | 2021-08-12T23:31:33.88 | 0.6 | undecidable | manual | P | 25 | 55.2003 | 50 | -0.23 | 46 |
IV.GAVE.EHZ. | 2021-08-12T23:31:32.34 | 0.3 | undecidable | manual | S | 43 | 22.3554 | 109 | 0.35 | 72 |
IT.FOPC.HGN. | 2021-08-12T23:31:32.76 | 0.6 | undecidable | manual | P | 360 | 47.1195 | 50 | -0.12 | 48 |
IV.NRCA.HHZ. | 2021-08-12T23:31:32.42 | 0.1 | undecidable | manual | P | 46 | 46.1205 | 50 | -0.29 | 93 |
IV.FIAM.HHZ. | 2021-08-12T23:31:32.62 | 0.3 | undecidable | manual | P | 132 | 45.5211 | 50 | -0.01 | 74 |
IV.T1299.HNN. | 2021-08-12T23:31:32.97 | 0.1 | undecidable | manual | P | 78 | 47.9187 | 50 | -0.04 | 97 |
IV.SRES.HHZ. | 2021-08-12T23:31:31.45 | 0.3 | undecidable | manual | P | 205 | 37.8288 | 50 | 0.01 | 75 |
IV.RM33.EHZ. | 2021-08-12T23:31:31.85 | 0.3 | undecidable | manual | P | 95 | 41.625 | 50 | -0.18 | 72 |
IT.MMP1.HGE. | 2021-08-12T23:31:30.68 | 0.6 | undecidable | manual | P | 174 | 32.9448 | 103 | 0.1 | 49 |
IT.GNU.HGZ. | 2021-08-12T23:31:29.97 | 0.6 | undecidable | manual | P | 339 | 30.8469 | 104 | -0.18 | 49 |
IV.LNSS.HHZ. | 2021-08-12T23:31:29.75 | 0.1 | positive | manual | P | 77 | 27.9498 | 106 | 0.16 | 99 |
IV.MOMA.HHZ. | 2021-08-12T23:31:29.88 | 0.1 | positive | manual | P | 339 | 30.8469 | 104 | -0.27 | 96 |
IV.CESX.HHZ. | 2021-08-12T23:31:28.90 | 0.3 | undecidable | manual | S | 306 | 12.1767 | 123 | 0.1 | 77 |
IV.GAVE.EHZ. | 2021-08-12T23:31:28.66 | 0.1 | undecidable | manual | P | 43 | 22.3554 | 109 | 0.13 | 100 |
IV.CESX.HHZ. | 2021-08-12T23:31:26.89 | 0.3 | undecidable | manual | P | 306 | 12.1767 | 123 | 0.21 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CESX.HHE. | ML:1.6 | 0.0004955 | 0.5 | AML | other | m | 2021-08-12T23:31:31.59 |
IV.CESX.HHN. | ML:1.7 | 0.0006485 | 0.26 | AML | other | m | 2021-08-12T23:31:31.60 |
IV.LNSS.HHE. | ML:2.0 | 0.0005434999999999999 | 0.28 | AML | other | m | 2021-08-12T23:31:34.06 |
IV.LNSS.HHN. | ML:2.2 | 0.0007920000000000001 | 0.26 | AML | other | m | 2021-08-12T23:31:34.79 |
IV.GAVE.EHN. | ML:1.9 | 0.0006005 | 1.26 | AML | other | m | 2021-08-12T23:31:35.74 |
IV.MOMA.HHE. | ML:2.0 | 0.0004429999999999999 | 0.18 | AML | other | m | 2021-08-12T23:31:35.24 |
IV.MOMA.HNE. | ML:1.9 | 0.0004065 | 0.18 | AML | other | m | 2021-08-12T23:31:35.25 |
IV.MOMA.HHN. | ML:1.8 | 0.000331 | 0.64 | AML | other | m | 2021-08-12T23:31:35.46 |
IV.MOMA.HNN. | ML:1.7 | 0.000263 | 0.64 | AML | other | m | 2021-08-12T23:31:35.79 |
IV.GAVE.EHE. | ML:1.9 | 0.0005885 | 0.38 | AML | other | m | 2021-08-12T23:31:35.74 |
IV.RM33.EHE. | ML:1.8 | 0.000201 | 1.28 | AML | other | m | 2021-08-12T23:31:38.25 |
IV.SRES.HHE. | ML:1.4 | 0.00010065000000000001 | 0.7 | AML | other | m | 2021-08-12T23:31:39.59 |
IV.SRES.HHN. | ML:1.3 | 0.0000741 | 0.62 | AML | other | m | 2021-08-12T23:31:39.75 |
IV.NRCA.HHN. | ML:1.7 | 0.0001555 | 0.12 | AML | other | m | 2021-08-12T23:31:40.87 |
IV.NRCA.HHE. | ML:1.9 | 0.0002385 | 0.12 | AML | other | m | 2021-08-12T23:31:40.97 |
IV.RM33.EHN. | ML:1.6 | 0.00014749999999999998 | 1.62 | AML | other | m | 2021-08-12T23:31:41.95 |
IV.FIAM.HHE. | ML:0.9 | 0.0000264 | 0.38 | AML | other | m | 2021-08-12T23:31:41.79 |
IV.SMA1.EHE. | ML:2.2 | 0.000352 | 0.34 | AML | other | m | 2021-08-12T23:31:41.82 |
IV.CESI.HHE. | ML:1.9 | 0.0001805 | 1.02 | AML | other | m | 2021-08-12T23:31:42.48 |
IV.CESI.HHN. | ML:2.1 | 0.00030199999999999997 | 0.24 | AML | other | m | 2021-08-12T23:31:42.53 |
IV.SMA1.EHN. | ML:1.8 | 0.00016800000000000002 | 0.32 | AML | other | m | 2021-08-12T23:31:42.74 |
IV.ASSB.HHN. | ML:1.8 | 0.0001285 | 1.8 | AML | other | m | 2021-08-12T23:31:42.96 |
IV.ASSB.HHE. | ML:1.8 | 0.00014600000000000003 | 0.42 | AML | other | m | 2021-08-12T23:31:43.70 |
IV.FDMO.HHN. | ML:2.0 | 0.00017749999999999998 | 0.2 | AML | other | m | 2021-08-12T23:31:44.98 |
IV.FDMO.HHE. | ML:2.1 | 0.00023249999999999999 | 0.16 | AML | other | m | 2021-08-12T23:31:45.14 |
IV.FIAM.HHN. | ML:1.0 | 0.00002815 | 0.78 | AML | other | m | 2021-08-12T23:31:45.89 |
IV.MGAB.HHN. | ML:1.6 | 0.00008510000000000001 | 0.16 | AML | other | m | 2021-08-12T23:31:45.72 |
IV.MGAB.HHE. | ML:1.9 | 0.000147 | 0.78 | AML | other | m | 2021-08-12T23:31:46.45 |
IV.CERT.HHN. | ML:1.4 | 0.000044149999999999996 | 0.56 | AML | other | m | 2021-08-12T23:31:47.55 |
IV.CSP1.EHE. | ML:2.1 | 0.000178 | 0.2 | AML | other | m | 2021-08-12T23:31:48.43 |
IV.CSP1.EHN. | ML:1.9 | 0.0001295 | 0.94 | AML | other | m | 2021-08-12T23:31:48.67 |
IV.ATCC.EHE. | ML:1.8 | 0.00009659999999999999 | 0.44 | AML | other | m | 2021-08-12T23:31:48.75 |
IV.CERT.HHE. | ML:1.6 | 0.00006860000000000001 | 1.52 | AML | other | m | 2021-08-12T23:31:48.99 |
IV.ATCC.EHN. | ML:1.7 | 0.00008249999999999999 | 0.78 | AML | other | m | 2021-08-12T23:31:49.51 |
IV.MURB.HHE. | ML:2.0 | 0.000132 | 1.08 | AML | other | m | 2021-08-12T23:31:50.15 |
IV.FOSV.EHE. | ML:1.4 | 0.00002765 | 0.74 | AML | other | m | 2021-08-12T23:31:52.99 |
IV.FOSV.EHN. | ML:1.4 | 0.00003625 | 0.38 | AML | other | m | 2021-08-12T23:31:52.86 |
IV.EL6.EHE. | ML:2.0 | 0.00009910000000000001 | 0.16 | AML | other | m | 2021-08-12T23:31:53.78 |
IV.MURB.HHN. | ML:2.0 | 0.000135 | 0.44 | AML | other | m | 2021-08-12T23:31:53.74 |
IV.EL6.EHN. | ML:2.0 | 0.00009984999999999999 | 0.8 | AML | other | m | 2021-08-12T23:31:54.27 |
IV.OFFI.HHN. | ML:2.0 | 0.00010389999999999999 | 1.44 | AML | other | m | 2021-08-12T23:31:56.03 |
IV.CING.HHN. | ML:1.4 | 0.000027400000000000002 | 1.36 | AML | other | m | 2021-08-12T23:31:56.14 |
IV.OFFI.HHE. | ML:2.0 | 0.0001285 | 0.52 | AML | other | m | 2021-08-12T23:31:57.57 |
IV.MNTT.EHE. | ML:2.2 | 0.00017 | 0.86 | AML | other | m | 2021-08-12T23:31:57.55 |
IV.CING.HHE. | ML:1.4 | 0.0000252 | 0.92 | AML | other | m | 2021-08-12T23:32:00.27 |
IV.MNTT.EHN. | ML:2.1 | 0.000136 | 0.56 | AML | other | m | 2021-08-12T23:32:04.28 |
IV.PIEI.HHE. | ML:1.2 | 0.000017049999999999998 | 0.36 | AML | other | m | 2021-08-12T23:32:05.68 |
IV.PIEI.HHN. | ML:1.1 | 0.000012240000000000001 | 0.5 | AML | other | m | 2021-08-12T23:32:07.37 |