A magnitude ML 1.6 earthquake occured in region: 9 km S Acquasanta Terme (AP), on
and geographic coordinates (lat, lon) 42.6920, 13.3950 at 16 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 |
---|---|---|---|---|
Acquasanta Terme | AP | 9 | 2916 | 2916 |
Valle Castellana | TE | 10 | 977 | 3893 |
Rocca Santa Maria | TE | 11 | 537 | 4430 |
Amatrice | RI | 11 | 2657 | 7087 |
Accumoli | RI | 12 | 667 | 7754 |
Cortino | TE | 12 | 656 | 8410 |
Arquata del Tronto | AP | 12 | 1178 | 9588 |
Campotosto | AQ | 15 | 542 | 10130 |
Crognaleto | TE | 17 | 1297 | 11427 |
Montegallo | AP | 18 | 523 | 11950 |
Fano Adriano | TE | 19 | 296 | 12246 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.6 | 2021-07-23 12:32:45 |
42.6918 | 13.3948 | 16 | 2021-12-29 11:12:51 |
Bollettino Sismico Italiano INGV | 97364451 |
Reviewed Rev100 |
ML 1.6 | 2021-07-23 12:32:45 |
42.6972 | 13.4007 | 16 | 2021-07-23 12:37:56 |
Sala Sismica INGV-Roma | 93105141 |
Field | Value |
---|---|
Time (UTC) | 2021-07-23 12:32:45 ± 0.06 |
Latitude | 42.6918 ± 0.0027 |
Longitude | 13.3948 ± 0.0049 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 97364451 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 399 |
Semi-minor axis of confidence ellipse (meter) | 94 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 92 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 400.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 34 |
Number of defining phases | 34 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.06475 |
Epicentral distance of station farthest from the epicenter (degree) | 0.67179 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 19 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 93105141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-07-23 12:37:56 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.3 |
Num. used stations | 26 |
Type of magnitude | ML |
Reference to an origin | 97364451 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-11-09 15:03:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-07-23T12:33:00.53 | 0.6 | undecidable | manual | S | 341 | 47.0196 | 98 | 0.28 | 46 |
IV.FDMO.HHZ. | 2021-07-23T12:32:59.88 | 0.6 | undecidable | manual | S | 327 | 45.7209 | 98 | -0.03 | 48 |
IV.GAVE.EHZ. | 2021-07-23T12:32:58.76 | 0.6 | undecidable | manual | S | 270 | 40.8258 | 100 | 0.14 | 47 |
IV.EL6.EHZ. | 2021-07-23T12:32:58.00 | 0.3 | undecidable | manual | P | 342 | 74.5698 | 94 | -0.11 | 67 |
IV.MOMA.HHZ. | 2021-07-23T12:32:57.20 | 0.3 | undecidable | manual | P | 281 | 68.2761 | 95 | 0.05 | 69 |
IV.MF5.EHZ. | 2021-07-23T12:32:57.42 | 0.3 | undecidable | manual | S | 9 | 33.2445 | 103 | 0.78 | 60 |
IV.LNSS.HHZ. | 2021-07-23T12:32:56.16 | 0.3 | undecidable | manual | S | 251 | 30.5472 | 105 | 0.21 | 71 |
IV.GIGS.HHZ. | 2021-07-23T12:32:55.78 | 0.3 | undecidable | manual | S | 151 | 30.2475 | 105 | -0.08 | 73 |
IV.MC2.EHZ. | 2021-07-23T12:32:55.81 | 0.3 | undecidable | manual | S | 326 | 29.5482 | 105 | 0.12 | 73 |
IV.MML1.EHZ. | 2021-07-23T12:32:55.45 | 0.3 | undecidable | manual | P | 324 | 57.9975 | 96 | -0.12 | 69 |
IV.MMO1.EHZ. | 2021-07-23T12:32:54.00 | 0.3 | undecidable | manual | S | 346 | 23.6541 | 111 | -0.19 | 73 |
IV.RM33.EHZ. | 2021-07-23T12:32:54.67 | 0.3 | undecidable | manual | S | 216 | 25.0527 | 110 | 0.13 | 73 |
IV.NRCA.HHZ. | 2021-07-23T12:32:54.97 | 0.3 | undecidable | manual | S | 305 | 27.75 | 107 | -0.25 | 71 |
IV.ARRO.EHZ. | 2021-07-23T12:32:54.57 | 0.3 | undecidable | manual | P | 257 | 52.8027 | 97 | -0.2 | 69 |
IV.FDMO.HHZ. | 2021-07-23T12:32:53.46 | 0.1 | undecidable | manual | P | 327 | 45.7209 | 98 | -0.22 | 92 |
IV.CSP1.EHZ. | 2021-07-23T12:32:53.72 | 0.1 | undecidable | manual | P | 341 | 47.0196 | 98 | -0.16 | 93 |
IV.TERO.HHZ. | 2021-07-23T12:32:53.00 | 0.3 | undecidable | manual | S | 114 | 18.6702 | 119 | 0.01 | 76 |
IV.GAVE.EHZ. | 2021-07-23T12:32:52.81 | 0.3 | undecidable | manual | P | 270 | 40.8258 | 100 | -0.13 | 71 |
IV.CAMP.HHZ. | 2021-07-23T12:32:52.68 | 0.3 | undecidable | manual | S | 176 | 17.3715 | 122 | 0 | 76 |
IV.MF5.EHZ. | 2021-07-23T12:32:52.12 | 0.1 | undecidable | manual | P | 9 | 33.2445 | 103 | 0.33 | 93 |
IV.T1299.EHE. | 2021-07-23T12:32:51.58 | 0.3 | undecidable | manual | S | 235 | 11.1777 | 137 | 0.17 | 74 |
IV.GIGS.HHZ. | 2021-07-23T12:32:51.17 | 0.1 | undecidable | manual | P | 151 | 30.2475 | 105 | -0.17 | 96 |
IV.MC2.EHZ. | 2021-07-23T12:32:51.29 | 0.1 | undecidable | manual | P | 326 | 29.5482 | 105 | 0.05 | 99 |
IV.LNSS.HHZ. | 2021-07-23T12:32:51.37 | 0.1 | undecidable | manual | P | 251 | 30.5472 | 105 | -0.02 | 99 |
IV.SMA1.EHZ. | 2021-07-23T12:32:50.75 | 0.3 | undecidable | manual | S | 216 | 8.3805 | 146 | -0.19 | 75 |
IV.NRCA.HHZ. | 2021-07-23T12:32:50.81 | 0.1 | positive | manual | P | 305 | 27.75 | 107 | -0.16 | 97 |
IV.MMO1.EHZ. | 2021-07-23T12:32:50.27 | 0.1 | negative | manual | P | 346 | 23.6541 | 111 | -0.11 | 98 |
IV.MTRA.EHZ. | 2021-07-23T12:32:50.48 | 0.1 | undecidable | manual | S | 1 | 7.1928 | 151 | -0.29 | 98 |
IV.RM33.EHZ. | 2021-07-23T12:32:50.63 | 0.1 | undecidable | manual | P | 216 | 25.0527 | 110 | 0.05 | 99 |
IV.TERO.HHZ. | 2021-07-23T12:32:49.74 | 0.3 | undecidable | manual | P | 114 | 18.6702 | 119 | 0.06 | 75 |
IV.CAMP.HHZ. | 2021-07-23T12:32:49.59 | 0.3 | undecidable | manual | P | 176 | 17.3715 | 122 | 0.09 | 75 |
IV.MTRA.EHZ. | 2021-07-23T12:32:48.34 | 0.3 | undecidable | manual | P | 1 | 7.1928 | 151 | -0.06 | 77 |
IV.SMA1.EHZ. | 2021-07-23T12:32:48.64 | 0.1 | undecidable | manual | P | 216 | 8.3805 | 146 | 0.14 | 100 |
IV.T1299.EHE. | 2021-07-23T12:32:48.99 | 0.1 | undecidable | manual | P | 235 | 11.1777 | 137 | 0.22 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.HNN. | ML:2.2 | 0.00178 | 0.34 | AML | other | m | 2021-07-23T12:32:50.54 |
IV.MTRA.EHN. | ML:2.3 | 0.0018299999999999998 | 0.32 | AML | other | m | 2021-07-23T12:32:50.55 |
IV.MTRA.HNE. | ML:1.9 | 0.000893 | 0.22 | AML | other | m | 2021-07-23T12:32:50.65 |
IV.MTRA.EHE. | ML:1.9 | 0.0008965 | 0.22 | AML | other | m | 2021-07-23T12:32:50.65 |
IV.SMA1.EHN. | ML:1.9 | 0.0007224999999999999 | 0.1 | AML | other | m | 2021-07-23T12:32:51.05 |
IV.SMA1.EHE. | ML:1.8 | 0.000696 | 0.2 | AML | other | m | 2021-07-23T12:32:51.13 |
IV.CAMP.HHE. | ML:1.1 | 0.00009559999999999999 | 1.48 | AML | other | m | 2021-07-23T12:32:52.04 |
IV.CAMP.HHN. | ML:1.4 | 0.00017449999999999999 | 0.24 | AML | other | m | 2021-07-23T12:32:52.94 |
IV.TERO.HHE. | ML:1.4 | 0.00017099999999999998 | 1.18 | AML | other | m | 2021-07-23T12:32:53.73 |
IV.TERO.HHN. | ML:1.3 | 0.00014199999999999998 | 0.06 | AML | other | m | 2021-07-23T12:32:53.19 |
IV.RM33.EHN. | ML:1.8 | 0.00031699999999999995 | 0.2 | AML | other | m | 2021-07-23T12:32:54.86 |
IV.RM33.EHE. | ML:1.8 | 0.000372 | 0.14 | AML | other | m | 2021-07-23T12:32:55.08 |
IV.NRCA.HHE. | ML:2.2 | 0.000883 | 0.14 | AML | other | m | 2021-07-23T12:32:55.06 |
IV.NRCA.HHN. | ML:2.1 | 0.000571 | 0.08 | AML | other | m | 2021-07-23T12:32:55.46 |
IV.LNSS.HHN. | ML:1.7 | 0.000223 | 0.38 | AML | other | m | 2021-07-23T12:32:56.42 |
IV.LNSS.HHE. | ML:1.8 | 0.0002735 | 0.12 | AML | other | m | 2021-07-23T12:32:56.48 |
IV.FDMO.HHN. | ML:1.7 | 0.0001365 | 0.24 | AML | other | m | 2021-07-23T12:33:00.23 |
IV.FDMO.HHE. | ML:1.4 | 0.0000726 | 0.2 | AML | other | m | 2021-07-23T12:33:00.24 |
IV.CSP1.EHN. | ML:1.7 | 0.00014600000000000003 | 0.4 | AML | other | m | 2021-07-23T12:33:00.65 |
IV.CSP1.EHE. | ML:1.6 | 0.00012110000000000002 | 0.14 | AML | other | m | 2021-07-23T12:33:00.75 |
IV.ARRO.EHN. | ML:1.0 | 0.00002655 | 0.2 | AML | other | m | 2021-07-23T12:33:03.48 |
IV.MML1.EHN. | ML:1.2 | 0.0000288 | 0.12 | AML | other | m | 2021-07-23T12:33:03.83 |
IV.MML1.EHE. | ML:1.2 | 0.00002995 | 0.14 | AML | other | m | 2021-07-23T12:33:04.43 |
IV.MOMA.HHE. | ML:1.5 | 0.00004975 | 0.2 | AML | other | m | 2021-07-23T12:33:07.21 |
IV.MOMA.HHN. | ML:1.2 | 0.0000269 | 0.2 | AML | other | m | 2021-07-23T12:33:07.73 |
IV.ARRO.EHE. | ML:1.0 | 0.00002304 | 0.52 | AML | other | m | 2021-07-23T12:33:09.41 |