A magnitude ML 1.1 earthquake occured in region: 2 km W Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6900, 13.2300 at 10 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 |
---|---|---|---|---|
Accumoli | RI | 2 | 667 | 667 |
Amatrice | RI | 8 | 2657 | 3324 |
Cittareale | RI | 10 | 482 | 3806 |
Arquata del Tronto | AP | 11 | 1178 | 4984 |
Norcia | PG | 16 | 4957 | 9941 |
Acquasanta Terme | AP | 17 | 2916 | 12857 |
Cascia | PG | 18 | 3217 | 16074 |
Montereale | AQ | 18 | 2581 | 18655 |
Campotosto | AQ | 19 | 542 | 19197 |
Montegallo | AP | 19 | 523 | 19720 |
Capitignano | AQ | 20 | 665 | 20385 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.1 | 2021-04-16 02:01:13 |
42.6897 | 13.2298 | 10 | 2021-07-12 16:55:07 |
Bollettino Sismico Italiano INGV | 89296241 |
Reviewed Rev100 |
ML 1.1 | 2021-04-16 02:01:13 |
42.6883 | 13.2278 | 11 | 2021-04-16 02:18:33 |
Sala Sismica INGV-Roma | 89131701 |
Field | Value |
---|---|
Time (UTC) | 2021-04-16 02:01:13 ± 0.09 |
Latitude | 42.6897 ± 0.0045 |
Longitude | 13.2298 ± 0.0073 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 89296241 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 560 |
Semi-minor axis of confidence ellipse (meter) | 437 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 242 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 560.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 92 |
Number of associated phases, regardless of their use for origin computation | 28 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.36 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45865 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 89296241 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-04-20 14:48:07 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 89131701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-16 02:18:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ROM9.HNZ. | 2021-04-16T02:01:44.63 | 3.0 | undecidable | manual | S | -0.72 | 0 | |||
IV.CSP1.EHZ. | 2021-04-16T02:01:28.61 | 0.6 | undecidable | manual | S | 357 | 44.7219 | 50 | 0.61 | 41 |
IV.FDMO.HHZ. | 2021-04-16T02:01:26.53 | 0.3 | undecidable | manual | S | 343 | 40.2264 | 50 | -0.27 | 68 |
IV.MF5.EHZ. | 2021-04-16T02:01:26.95 | 0.3 | undecidable | manual | S | 29 | 38.0286 | 50 | 0.73 | 59 |
IV.MC2.EHZ. | 2021-04-16T02:01:23.24 | 0.3 | undecidable | manual | S | 352 | 24.8529 | 112 | 0.62 | 63 |
IV.TERO.HHZ. | 2021-04-16T02:01:23.70 | 0.1 | undecidable | manual | S | 104 | 31.4463 | 50 | -0.75 | 79 |
IV.MNTT.EHZ. | 2021-04-16T02:01:23.48 | 0.1 | undecidable | manual | P | 36 | 50.9157 | 50 | 0.71 | 78 |
IV.OFFI.HHZ. | 2021-04-16T02:01:22.67 | 0.1 | undecidable | manual | P | 54 | 46.0206 | 50 | 0.66 | 80 |
IV.MMO1.EHZ. | 2021-04-16T02:01:22.26 | 0.1 | undecidable | manual | S | 19 | 24.5532 | 112 | -0.28 | 93 |
IV.MF5.EHZ. | 2021-04-16T02:01:21.00 | 0.1 | undecidable | manual | P | 29 | 38.0286 | 50 | 0.22 | 92 |
IV.CSP1.EHZ. | 2021-04-16T02:01:21.60 | 0.1 | undecidable | manual | P | 357 | 44.7219 | 50 | -0.21 | 91 |
IV.RM33.EHZ. | 2021-04-16T02:01:21.08 | 0.1 | undecidable | manual | S | 184 | 20.0688 | 116 | -0.03 | 99 |
IV.NRCA.HHZ. | 2021-04-16T02:01:20.24 | 0.1 | undecidable | manual | S | 330 | 18.5703 | 118 | -0.4 | 92 |
IV.LNSS.HHZ. | 2021-04-16T02:01:20.52 | 0.3 | undecidable | manual | S | 238 | 18.1707 | 118 | -0.02 | 74 |
IV.FDMO.HHZ. | 2021-04-16T02:01:20.76 | 0.1 | undecidable | manual | P | 343 | 40.2264 | 50 | -0.36 | 89 |
IV.MTRA.EHZ. | 2021-04-16T02:01:19.42 | 0.1 | undecidable | manual | S | 61 | 15.4734 | 122 | -0.3 | 94 |
IV.TERO.HHZ. | 2021-04-16T02:01:19.33 | 0.1 | undecidable | manual | P | 104 | 31.4463 | 50 | -0.43 | 89 |
IV.MMO1.EHZ. | 2021-04-16T02:01:18.40 | 0.1 | undecidable | manual | P | 19 | 24.5532 | 112 | -0.25 | 93 |
IV.MC2.EHZ. | 2021-04-16T02:01:18.56 | 0.1 | undecidable | manual | P | 352 | 24.8529 | 112 | -0.14 | 96 |
IV.CAMP.HHZ. | 2021-04-16T02:01:18.06 | 0.1 | undecidable | manual | P | 139 | 22.4553 | 114 | -0.2 | 95 |
IV.T1299.HNZ. | 2021-04-16T02:01:18.04 | 0.1 | undecidable | manual | S | 145 | 7.4814 | 143 | 0.4 | 93 |
IV.SMA1.EHZ. | 2021-04-16T02:01:18.39 | 0.1 | undecidable | manual | S | 127 | 10.7781 | 132 | -0.04 | 100 |
IV.LNSS.HHZ. | 2021-04-16T02:01:17.54 | 0.1 | undecidable | manual | P | 238 | 18.1707 | 118 | 0.04 | 99 |
IV.RM33.EHZ. | 2021-04-16T02:01:17.78 | 0.1 | positive | manual | P | 184 | 20.0688 | 116 | -0.05 | 98 |
IV.MTRA.EHZ. | 2021-04-16T02:01:17.01 | 0.1 | undecidable | manual | P | 61 | 15.4734 | 122 | -0.02 | 100 |
IV.NRCA.HHZ. | 2021-04-16T02:01:17.48 | 0.1 | positive | manual | P | 330 | 18.5703 | 118 | -0.08 | 98 |
IV.T1299.HNZ. | 2021-04-16T02:01:16.21 | 0.1 | undecidable | manual | P | 145 | 7.4814 | 143 | 0.38 | 94 |
IV.SMA1.EHZ. | 2021-04-16T02:01:16.52 | 0.1 | undecidable | manual | P | 127 | 10.7781 | 132 | 0.24 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:1.0 | 0.0001305 | 1 | AML | other | m | 2021-04-16T02:01:18.28 |
IV.SMA1.EHN. | ML:1.2 | 0.000178 | 0.46 | AML | other | m | 2021-04-16T02:01:19.43 |
IV.MTRA.EHN. | ML:1.2 | 0.000136 | 0.92 | AML | other | m | 2021-04-16T02:01:19.20 |
IV.NRCA.HHE. | ML:2.1 | 0.001125 | 0.14 | AML | other | m | 2021-04-16T02:01:20.61 |
IV.NRCA.HHN. | ML:1.6 | 0.0002915 | 0.1 | AML | other | m | 2021-04-16T02:01:20.64 |
IV.MTRA.EHE. | ML:1.0 | 0.0001045 | 1.48 | AML | other | m | 2021-04-16T02:01:20.11 |
IV.LNSS.HHN. | ML:1.4 | 0.000215 | 1.6 | AML | other | m | 2021-04-16T02:01:21.82 |
IV.RM33.EHN. | ML:1.0 | 0.0000673 | 0.16 | AML | other | m | 2021-04-16T02:01:21.23 |
IV.RM33.EHE. | ML:1.0 | 0.00006895 | 0.14 | AML | other | m | 2021-04-16T02:01:21.53 |
IV.LNSS.HHE. | ML:1.1 | 0.000108 | 0.16 | AML | other | m | 2021-04-16T02:01:21.76 |
IV.TERO.HHE. | ML:0.9 | 0.00003435 | 1.02 | AML | other | m | 2021-04-16T02:01:24.85 |
IV.TERO.HHN. | ML:1.0 | 0.000051750000000000004 | 0.9 | AML | other | m | 2021-04-16T02:01:24.82 |
IV.FDMO.HHE. | ML:0.6 | 0.000015200000000000002 | 0.7 | AML | other | m | 2021-04-16T02:01:27.36 |
IV.FDMO.HHN. | ML:0.8 | 0.00001825 | 0.26 | AML | other | m | 2021-04-16T02:01:27.88 |