Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 12-08-2022 and time 12:53:38 (Italy) in region 5 km SW Amatrice (RI)

A magnitude ML 1.2 earthquake occured in region: 5 km SW Amatrice (RI), on

  • 12-08-2022 10:53:38 (UTC)
  • 12-08-2022 12:53:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5980, 13.2410 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 5 2657 2657
Cittareale RI 7 482 3139
Montereale AQ 8 2581 5720
Capitignano AQ 10 665 6385
Accumoli RI 11 667 7052
Campotosto AQ 12 542 7594
Borbona RI 13 617 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 17 737 11011
Pizzoli AQ 19 4326 15337
Arquata del Tronto AP 20 1178 16515

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
81 Km W of Chieti (51815 inhabitants)
81 Km W of Pescara (121014 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
100 Km NE of Roma (2864731 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.2 2022-08-12
10:53:38		 42.5985 13.2412 11 2022-08-12
11:03:39		 Sala Sismica INGV-Roma 108444211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-12 10:53:38 ± 0.08
Latitude 42.5985 ± 0.0045
Longitude 13.2412 ± 0.0061
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 108444211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49373
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 25
Type of magnitude ML
Reference to an origin 108444211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-12 11:03:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2022-08-12T10:54:02.81 3.0 undecidable manual P 0.39 0
IV.CSP1.EHZ. 2022-08-12T10:53:56.37 0.3 undecidable manual S 357 54.8007 50 0.62 62
IV.FDMO.HHZ. 2022-08-12T10:53:54.95 0.3 undecidable manual S 346 50.2164 50 0.44 66
IV.ARRO.EHZ. 2022-08-12T10:53:51.74 0.3 undecidable manual S 267 38.9277 50 0.23 71
IV.MC2.EHZ. 2022-08-12T10:53:50.96 0.3 undecidable manual S 353 34.9428 50 0.51 67
IV.GIGS.HHZ. 2022-08-12T10:53:49.46 0.3 undecidable manual S 121 31.5462 50 -0.08 74
IV.GAVE.EHZ. 2022-08-12T10:53:48.71 0.3 undecidable manual S 290 30.1476 50 -0.46 68
IV.CSP1.EHZ. 2022-08-12T10:53:48.47 0.1 undecidable manual P 357 54.8007 50 0 96
IV.NRCA.HHZ. 2022-08-12T10:53:48.38 0.3 undecidable manual S 338 28.0497 50 -0.23 72
IV.TERO.HHZ. 2022-08-12T10:53:48.81 0.3 undecidable manual S 85 29.748 50 -0.25 72
IV.FDMO.HHZ. 2022-08-12T10:53:47.64 0.3 undecidable manual P 346 50.2164 50 -0.12 71
IV.MF5.EHZ. 2022-08-12T10:53:47.71 0.1 undecidable manual P 22 46.7199 50 0.49 88
IV.MTRA.HNZ. 2022-08-12T10:53:46.36 0.3 undecidable manual S 36 21.6672 116 -0.52 68
IV.CAMP.HHZ. 2022-08-12T10:53:45.09 0.3 undecidable manual S 117 15.3735 124 0.09 76
IV.MC2.EHZ. 2022-08-12T10:53:45.34 0.1 undecidable manual P 353 34.9428 50 -0.08 98
IV.ARRO.EHZ. 2022-08-12T10:53:45.69 0.3 undecidable manual P 267 38.9277 50 -0.33 69
IV.TERO.HHZ. 2022-08-12T10:53:44.48 0.1 undecidable manual P 85 29.748 50 -0.13 98
IV.GAVE.EHZ. 2022-08-12T10:53:44.46 0.1 undecidable manual P 290 30.1476 50 -0.22 96
IV.GIGS.HHZ. 2022-08-12T10:53:44.87 0.1 undecidable manual P 121 31.5462 50 -0.02 100
IV.NRCA.HHZ. 2022-08-12T10:53:44.09 0.1 undecidable manual P 338 28.0497 50 -0.26 96
IV.MTRA.HNZ. 2022-08-12T10:53:43.17 0.3 undecidable manual P 36 21.6672 116 -0.18 74
IV.RM33.EHZ. 2022-08-12T10:53:43.73 0.3 undecidable manual S 192 10.1787 136 0.12 76
IV.CAMP.HHZ. 2022-08-12T10:53:42.48 0.1 undecidable manual P 117 15.3735 124 0.22 99
IV.RM33.EHZ. 2022-08-12T10:53:41.70 0.1 undecidable manual P 192 10.1787 136 0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.5 0.00041549999999999996 1.74 AML other m 2022-08-12T10:53:43.98
IV.RM33.EHE. ML:1.6 0.00046145334999999997 0.2368 AML other m 2022-08-12T10:53:44.43
IV.GAVE.EHE. ML:1.5 0.00014800000000000002 0.12 AML other m 2022-08-12T10:53:49.54
IV.GAVE.EHN. ML:1.4 0.0001245 0.14 AML other m 2022-08-12T10:53:49.92
IV.NRCA.HHN. ML:1.1 0.00006576224 0.0768 AML other m 2022-08-12T10:53:50.69
IV.NRCA.HHE. ML:1.2 0.000087536295 0.1024 AML other m 2022-08-12T10:53:51.61
IV.MF5.EHN. ML:1.6 0.00011549999999999999 1.58 AML other m 2022-08-12T10:53:55.16
IV.MF5.EHE. ML:1.4 0.00007515 0.42 AML other m 2022-08-12T10:53:58.46
IV.RM33.HNE. ML:1.6 0.0004313211 0.1664 AML other m 2022-08-12T10:53:44.63
IV.RM33.HNN. ML:1.6 0.0004468492 0.2688 AML other m 2022-08-12T10:53:44.11
IV.NRCA.HNE. ML:1.1 0.00006997551 0.0896 AML other m 2022-08-12T10:53:50.10
IV.NRCA.HNN. ML:1.1 0.000066946171 0.1536 AML other m 2022-08-12T10:53:48.50
IV.GAVE.HNE. ML:1.5 0.000139522375 0.1408 AML other m 2022-08-12T10:53:49.47
IV.TERO.HHE. ML:1.0 0.0000498993 0.1408 AML other m 2022-08-12T10:53:49.16
IV.TERO.HHN. ML:1.3 0.00009260366 0.1408 AML other m 2022-08-12T10:53:49.32
IV.TERO.HNE. ML:1.2 0.00008148509000000002 0.1728 AML other m 2022-08-12T10:53:49.85
IV.TERO.HNN. ML:1.1 0.000056326705 0.0512 AML other m 2022-08-12T10:53:48.92
IV.MC2.EHE. ML:1.0 0.0000423887915 0.16 AML other m 2022-08-12T10:53:54.45
IV.MC2.EHN. ML:1.1 0.00005658052 0.1984 AML other m 2022-08-12T10:53:52.21
IV.ARRO.EHE. ML:0.8 0.00002679016 0.1984 AML other m 2022-08-12T10:53:53.37
IV.ARRO.EHN. ML:0.9 0.00003063827 0.1792 AML other m 2022-08-12T10:53:54.60
IV.FDMO.HHE. ML:0.6 0.000008025076500000001 0.1408 AML other m 2022-08-12T10:53:57.15
IV.FDMO.HHN. ML:0.6 0.000009685782 0.1792 AML other m 2022-08-12T10:53:56.98
IV.CSP1.EHE. ML:0.9 0.000018459349 0.1216 AML other m 2022-08-12T10:53:56.73
IV.CSP1.EHN. ML:0.9 0.000021259391500000002 0.1024 AML other m 2022-08-12T10:53:57.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download