A magnitude ML 1.3 earthquake occured in region: 2 km N Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6520, 13.2950 at 11 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 |
---|---|---|---|---|
Amatrice | RI | 3 | 2657 | 2657 |
Accumoli | RI | 6 | 667 | 3324 |
Cittareale | RI | 12 | 482 | 3806 |
Campotosto | AQ | 12 | 542 | 4348 |
Arquata del Tronto | AP | 14 | 1178 | 5526 |
Capitignano | AQ | 15 | 665 | 6191 |
Montereale | AQ | 15 | 2581 | 8772 |
Acquasanta Terme | AP | 16 | 2916 | 11688 |
Cortino | TE | 18 | 656 | 12344 |
Crognaleto | TE | 19 | 1297 | 13641 |
Valle Castellana | TE | 19 | 977 | 14618 |
Rocca Santa Maria | TE | 19 | 537 | 15155 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2023-04-20 01:20:21 |
42.652 | 13.2953 | 11 | 2023-04-20 01:26:48 |
Sala Sismica INGV-Roma | 116535311 |
Field | Value |
---|---|
Time (UTC) | 2023-04-20 01:20:21 ± 0.05 |
Latitude | 42.6520 ± 0.0036 |
Longitude | 13.2953 ± 0.0037 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 116535311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 318 |
Semi-minor axis of confidence ellipse (meter) | 166 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 195 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 320.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.14 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45416 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 116535311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-04-20 01:26:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CING.HHZ. | 2023-04-20T01:20:35.32 | 3.0 | negative | manual | P | -0.37 | 0 | |||
IV.GIGS.HHZ. | 2023-04-20T01:20:32.09 | 0.6 | undecidable | manual | S | 134 | 31.6461 | 50 | -0.12 | 49 |
IV.GAVE.EHZ. | 2023-04-20T01:20:32.64 | 0.3 | undecidable | manual | S | 278 | 33.0447 | 50 | 0.06 | 73 |
IV.MMO1.EHZ. | 2023-04-20T01:20:31.10 | 0.1 | undecidable | manual | S | 5 | 27.5502 | 50 | -0.02 | 100 |
IV.MNTT.EHZ. | 2023-04-20T01:20:31.58 | 3.0 | positive | manual | P | 0.64 | 0 | |||
IV.CSP1.EHZ. | 2023-04-20T01:20:30.27 | 3.0 | positive | manual | P | -0.22 | 0 | |||
IV.GUMA.HHZ. | 2023-04-20T01:20:30.09 | 3.0 | undecidable | manual | P | 0.19 | 0 | |||
IV.NRCA.HHZ. | 2023-04-20T01:20:30.15 | 0.3 | undecidable | manual | S | 324 | 24.9528 | 50 | -0.28 | 72 |
IV.CESI.HHZ. | 2023-04-20T01:20:30.49 | 0.6 | undecidable | manual | P | 321 | 50.4162 | 50 | 0 | 48 |
IV.TERO.HHZ. | 2023-04-20T01:20:30.38 | 0.3 | undecidable | manual | S | 97 | 25.3524 | 50 | -0.17 | 73 |
IV.ARRO.EHZ. | 2023-04-20T01:20:29.44 | 3.0 | positive | manual | P | -0.19 | 0 | |||
IV.LNSS.HHZ. | 2023-04-20T01:20:29.34 | 0.6 | undecidable | manual | S | 255 | 21.4674 | 50 | -0.17 | 50 |
IV.FDMO.HHZ. | 2023-04-20T01:20:29.66 | 3.0 | negative | manual | P | -0.24 | 0 | |||
IV.CAMP.HHZ. | 2023-04-20T01:20:27.64 | 0.6 | undecidable | manual | S | 144 | 15.873 | 125 | -0.33 | 48 |
IV.MMO1.EHZ. | 2023-04-20T01:20:27.04 | 0.3 | undecidable | manual | P | 5 | 27.5502 | 50 | 0.08 | 74 |
IV.GIGS.HHZ. | 2023-04-20T01:20:27.66 | 0.3 | undecidable | manual | P | 134 | 31.6461 | 50 | 0.07 | 73 |
IV.MTRA.EHZ. | 2023-04-20T01:20:27.50 | 0.3 | undecidable | manual | S | 35 | 14.2746 | 128 | -0.01 | 76 |
IV.GAVE.EHZ. | 2023-04-20T01:20:27.78 | 0.1 | negative | manual | P | 278 | 33.0447 | 50 | -0.02 | 99 |
IV.TERO.HHZ. | 2023-04-20T01:20:26.52 | 0.6 | undecidable | manual | P | 97 | 25.3524 | 50 | -0.11 | 49 |
IV.LNSS.HHZ. | 2023-04-20T01:20:26.15 | 0.1 | negative | manual | P | 255 | 21.4674 | 50 | 0.12 | 98 |
IV.NRCA.HHZ. | 2023-04-20T01:20:26.50 | 0.1 | positive | manual | P | 324 | 24.9528 | 50 | -0.06 | 100 |
IV.MTRA.EHZ. | 2023-04-20T01:20:25.03 | 0.1 | positive | manual | P | 35 | 14.2746 | 128 | 0.15 | 100 |
IV.CAMP.HHZ. | 2023-04-20T01:20:25.46 | 0.3 | undecidable | manual | P | 144 | 15.873 | 125 | 0.32 | 72 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHN. | ML:1.5 | 0.0002155 | 0.36 | AML | other | m | 2023-04-20T01:20:29.73 |
IV.LNSS.HHE. | ML:1.6 | 0.00027800000000000004 | 0.14 | AML | other | m | 2023-04-20T01:20:29.85 |
IV.NRCA.HHE. | ML:1.8 | 0.0003945 | 0.2 | AML | other | m | 2023-04-20T01:20:30.38 |
IV.TERO.HHN. | ML:1.6 | 0.00020750000000000003 | 0.08 | AML | other | m | 2023-04-20T01:20:30.39 |
IV.TERO.HHE. | ML:1.7 | 0.0003115 | 0.1 | AML | other | m | 2023-04-20T01:20:30.50 |
IV.NRCA.HHN. | ML:1.6 | 0.000243 | 0.64 | AML | other | m | 2023-04-20T01:20:31.44 |
IV.MMO1.EHN. | ML:1.4 | 0.00012955 | 0.44 | AML | other | m | 2023-04-20T01:20:31.34 |
IV.MMO1.EHE. | ML:1.3 | 0.0001004 | 0.34 | AML | other | m | 2023-04-20T01:20:31.76 |
IV.GAVE.EHE. | ML:1.2 | 0.0000765 | 1.54 | AML | other | m | 2023-04-20T01:20:33.86 |
IV.GAVE.EHN. | ML:1.3 | 0.000084 | 0.12 | AML | other | m | 2023-04-20T01:20:33.55 |
IV.FDMO.HHN. | ML:1.1 | 0.00004124999999999999 | 0.24 | AML | other | m | 2023-04-20T01:20:36.36 |
IV.FDMO.HHE. | ML:1.0 | 0.00003165 | 0.24 | AML | other | m | 2023-04-20T01:20:36.92 |
IV.ARRO.EHN. | ML:1.0 | 0.000030600000000000005 | 0.5 | AML | other | m | 2023-04-20T01:20:37.29 |
IV.GUMA.HHE. | ML:1.4 | 0.0000753 | 0.76 | AML | other | m | 2023-04-20T01:20:37.23 |
IV.GUMA.HHN. | ML:1.4 | 0.00007569999999999998 | 0.22 | AML | other | m | 2023-04-20T01:20:37.27 |
IV.ARRO.EHE. | ML:1.0 | 0.0000293 | 1.06 | AML | other | m | 2023-04-20T01:20:37.05 |
IV.CESI.HHE. | ML:0.9 | 0.00002105 | 0.58 | AML | other | m | 2023-04-20T01:20:37.79 |
IV.CESI.HHN. | ML:1.1 | 0.000036200000000000006 | 0.5 | AML | other | m | 2023-04-20T01:20:39.07 |
IV.CING.HHE. | ML:0.9 | 0.000010700000000000001 | 0.76 | AML | other | m | 2023-04-20T01:20:47.05 |
IV.CING.HHN. | ML:0.9 | 0.000011200000000000001 | 0.5 | AML | other | m | 2023-04-20T01:20:48.94 |