Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-08-2022 and time 05:40:23 (Italy) in region 1 km NE Amatrice (RI)

A magnitude ML 1.5 earthquake occured in region: 1 km NE Amatrice (RI), on

  • 27-08-2022 03:40:23 (UTC)
  • 27-08-2022 05:40:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6370, 13.3040 at 11 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.

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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 1 2657 2657
Accumoli RI 8 667 3324
Campotosto AQ 10 542 3866
Cittareale RI 12 482 4348
Capitignano AQ 13 665 5013
Montereale AQ 13 2581 7594
Arquata del Tronto AP 15 1178 8772
Cortino TE 17 656 9428
Acquasanta Terme AP 17 2916 12344
Crognaleto TE 18 1297 13641
Rocca Santa Maria TE 19 537 14178
Valle Castellana TE 19 977 15155
Borbona RI 20 617 15772

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of L'Aquila (69753 inhabitants)
33 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 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
Bulletin
Rev1000 		ML 1.5 2022-08-27
03:40:23		 42.637 13.3037 11 2023-01-31
19:03:50		 Bollettino Sismico Italiano INGV 110552941
Reviewed
Rev100 		ML 1.5 2022-08-27
03:40:23		 42.6488 13.3008 9 2022-08-27
03:48:22		 Sala Sismica INGV-Roma 108975541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-27 03:40:23 ± 0.07
Latitude 42.6370 ± 0.0036
Longitude 13.3037 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110552941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 444
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
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) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.74194
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 108975541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-27 03:48:22

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 110552941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-06 10:43:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2022-08-27T03:40:49.39 0.3 undecidable manual S 354 82.3509 50 1.11 47
IV.CESX.HHZ. 2022-08-27T03:40:42.33 0.6 undecidable manual S 267 58.5969 50 0.4 43
IV.CESI.HHZ. 2022-08-27T03:40:40.27 0.3 undecidable manual S 322 52.1034 50 0.06 71
IV.CSP1.EHZ. 2022-08-27T03:40:40.12 0.3 undecidable manual S 351 51.1155 50 0.19 69
IV.GUMA.HHZ. 2022-08-27T03:40:39.64 0.3 undecidable manual S 3 47.3193 50 0.73 59
IV.FDMO.HHZ. 2022-08-27T03:40:39.14 0.3 undecidable manual S 338 47.7189 50 0.12 70
IV.MF5.EHZ. 2022-08-27T03:40:38.04 0.6 undecidable manual S 18 40.9257 50 0.82 38
IV.CING.HHZ. 2022-08-27T03:40:38.20 0.3 undecidable manual P 354 82.3509 50 0.27 64
IV.EL6.EHZ. 2022-08-27T03:40:37.19 0.3 undecidable manual P 348 78.5658 50 -0.14 66
IV.FEMA.HNE. 2022-08-27T03:40:37.23 0.3 undecidable manual S 330 41.5251 50 -0.15 71
IV.MOMA.HHZ. 2022-08-27T03:40:35.07 0.3 undecidable manual P 287 62.5929 50 0.19 67
IV.GAVE.EHZ. 2022-08-27T03:40:35.00 0.6 undecidable manual S 281 33.9438 50 -0.35 46
IV.CESX.HHZ. 2022-08-27T03:40:34.67 0.3 undecidable manual P 267 58.5969 50 0.41 65
MN.AQU.HNN. 2022-08-27T03:40:34.91 0.3 undecidable manual S 165 32.4453 50 -0.05 73
IV.MC2.EHZ. 2022-08-27T03:40:34.65 0.6 undecidable manual S 343 31.8459 50 -0.14 48
IV.T0110.HHZ. 2022-08-27T03:40:34.50 0.3 undecidable manual P 139 59.496 50 0.1 69
IV.GIGS.HHZ. 2022-08-27T03:40:33.90 0.6 undecidable manual S 133 29.9478 50 -0.4 46
7F.SIB2.EHE. 2022-08-27T03:40:33.32 0.6 undecidable manual S 0 28.1496 50 -0.49 45
IV.CESI.HHZ. 2022-08-27T03:40:33.11 0.3 undecidable manual P 322 52.1034 50 -0.16 69
7F.SIB1.EHE. 2022-08-27T03:40:33.77 0.6 undecidable manual S 355 28.749 50 -0.19 48
IV.OFFI.HHZ. 2022-08-27T03:40:33.13 0.3 undecidable manual P 43 45.4212 50 0.9 55
IV.MMO1.EHZ. 2022-08-27T03:40:33.81 0.6 undecidable manual S 4 29.1486 50 -0.26 47
IV.FEMA.HNE. 2022-08-27T03:40:32.34 0.6 undecidable manual P 330 41.5251 50 0.7 40
IV.NRCA.HHZ. 2022-08-27T03:40:32.86 0.6 undecidable manual S 325 26.751 50 -0.56 44
IV.FDMO.HHZ. 2022-08-27T03:40:32.36 0.3 undecidable manual P 338 47.7189 50 -0.22 69
IV.CSP1.EHZ. 2022-08-27T03:40:32.98 0.3 undecidable manual P 351 51.1155 50 -0.13 70
IV.GUMA.HHZ. 2022-08-27T03:40:32.77 0.3 undecidable manual P 3 47.3193 50 0.25 69
IV.TERO.HNZ. 2022-08-27T03:40:32.49 0.6 undecidable manual S 94 24.5532 50 -0.35 46
IV.FIAM.HHZ. 2022-08-27T03:40:32.60 0.6 undecidable manual P 201 43.7229 50 0.63 41
7F.SIB3.EHE. 2022-08-27T03:40:32.86 0.6 undecidable manual S 354 26.5512 50 -0.52 45
IV.ARRO.EHZ. 2022-08-27T03:40:31.86 0.3 undecidable manual P 262 44.4222 50 -0.21 69
IV.LNSS.HHZ. 2022-08-27T03:40:31.97 0.6 undecidable manual S 260 21.867 50 -0.15 49
IV.MF5.EHZ. 2022-08-27T03:40:31.96 0.3 undecidable manual P 18 40.9257 50 0.42 67
IV.GAVE.EHZ. 2022-08-27T03:40:30.30 0.1 positive manual P 281 33.9438 50 -0.17 95
IV.RM33.EHZ. 2022-08-27T03:40:30.55 0.6 undecidable manual S 207 15.9729 124 0.05 50
IV.MC2.EHZ. 2022-08-27T03:40:30.05 0.1 positive manual P 343 31.8459 50 -0.09 97
7F.SIB1.EHE. 2022-08-27T03:40:29.54 0.1 undecidable manual P 355 28.749 50 -0.12 97
7F.SIB3.EHE. 2022-08-27T03:40:29.04 0.1 undecidable manual P 354 26.5512 50 -0.28 94
IV.MMO1.EHZ. 2022-08-27T03:40:29.59 0.1 positive manual P 4 29.1486 50 -0.14 97
IV.NRCA.HHZ. 2022-08-27T03:40:29.13 0.1 positive manual P 325 26.751 50 -0.22 95
IV.GIGS.HHZ. 2022-08-27T03:40:29.86 0.1 undecidable manual P 133 29.9478 50 0 99
IV.MTRA.HNE. 2022-08-27T03:40:29.72 0.6 undecidable manual S 30 15.2736 125 -0.58 44
MN.AQU.HNN. 2022-08-27T03:40:29.86 0.3 undecidable manual P 165 32.4453 50 -0.38 68
7F.SIB2.EHE. 2022-08-27T03:40:29.31 0.1 undecidable manual P 0 28.1496 50 -0.27 94
IV.CAMP.HHZ. 2022-08-27T03:40:29.96 0.3 undecidable manual S 143 14.1747 128 -0.03 76
IV.TERO.HNZ. 2022-08-27T03:40:28.91 0.1 positive manual P 94 24.5532 50 -0.11 98
IV.LNSS.HHZ. 2022-08-27T03:40:28.57 0.1 positive manual P 260 21.867 50 -0.03 100
IV.MTRA.HNE. 2022-08-27T03:40:27.49 0.3 undecidable manual P 30 15.2736 125 -0.06 75
IV.CAMP.HHZ. 2022-08-27T03:40:27.54 0.1 negative manual P 143 14.1747 128 0.17 98
IV.RM33.EHZ. 2022-08-27T03:40:27.88 0.1 undecidable manual P 207 15.9729 124 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.8 0.00039 1.14 AML other m 2022-08-27T03:40:29.01
IV.CAMP.HHN. ML:1.6 0.000418 0.2 AML other m 2022-08-27T03:40:30.18
IV.CAMP.HHE. ML:1.6 0.000407 0.22 AML other m 2022-08-27T03:40:30.07
IV.RM33.EHN. ML:1.3 0.00019 0.18 AML other m 2022-08-27T03:40:30.75
IV.RM33.EHE. ML:1.3 0.000185 0.26 AML other m 2022-08-27T03:40:31.09
IV.LNSS.HHN. ML:1.6 0.00023999999999999998 0.4 AML other m 2022-08-27T03:40:32.12
IV.LNSS.HHE. ML:1.6 0.000255 0.5 AML other m 2022-08-27T03:40:32.16
IV.TERO.HNN. ML:1.7 0.000317 0.18 AML other m 2022-08-27T03:40:32.53
IV.TERO.HNE. ML:1.8 0.000388 0.14 AML other m 2022-08-27T03:40:32.60
IV.TERO.HHE. ML:1.8 0.000361 0.14 AML other m 2022-08-27T03:40:32.60
IV.NRCA.HHE. ML:2.4 0.00122 0.18 AML other m 2022-08-27T03:40:33.12
IV.NRCA.HNE. ML:2.3 0.0011135 1.66 AML other m 2022-08-27T03:40:33.12
IV.NRCA.HHN. ML:2.2 0.0008215 0.08 AML other m 2022-08-27T03:40:33.53
IV.NRCA.HNN. ML:2.1 0.0007909999999999999 0.08 AML other m 2022-08-27T03:40:33.58
IV.MMO1.EHN. ML:1.7 0.000254 1.8 AML other m 2022-08-27T03:40:33.98
IV.MMO1.EHE. ML:1.4 0.000131 1.1 AML other m 2022-08-27T03:40:34.70
IV.GIGS.HHN. ML:0.9 0.0000363 1.14 AML other m 2022-08-27T03:40:35.04
IV.GIGS.HHE. ML:0.9 0.0000394 0.46 AML other m 2022-08-27T03:40:35.30
IV.GAVE.EHN. ML:1.7 0.00022549999999999998 0.18 AML other m 2022-08-27T03:40:36.01
IV.GAVE.EHE. ML:1.7 0.0002045 1.14 AML other m 2022-08-27T03:40:36.64
IV.MF5.EHE. ML:1.4 0.0000852 0.46 AML other m 2022-08-27T03:40:38.63
IV.FDMO.HHN. ML:1.4 0.00006475 0.98 AML other m 2022-08-27T03:40:39.93
IV.GUMA.HHE. ML:1.9 0.00022799999999999999 0.26 AML other m 2022-08-27T03:40:40.20
IV.ARRO.EHE. ML:1.1 0.0000399 1.06 AML other m 2022-08-27T03:40:40.38
IV.GUMA.HHN. ML:1.9 0.00023899999999999998 0.56 AML other m 2022-08-27T03:40:40.25
IV.CESI.HHN. ML:1.5 0.00007539999999999999 0.3 AML other m 2022-08-27T03:40:40.65
IV.MF5.EHN. ML:1.3 0.00005868 1.42 AML other m 2022-08-27T03:40:40.10
IV.ARRO.EHN. ML:1.2 0.000048549999999999994 1.82 AML other m 2022-08-27T03:40:40.00
IV.FDMO.HHE. ML:1.3 0.0000564 0.44 AML other m 2022-08-27T03:40:41.17
IV.CESI.HHE. ML:1.4 0.00005785 0.96 AML other m 2022-08-27T03:40:41.32
IV.CSP1.EHE. ML:2.0 0.000236 0.38 AML other m 2022-08-27T03:40:41.37
IV.CSP1.EHN. ML:1.8 0.000165 1.04 AML other m 2022-08-27T03:40:41.72
IV.FIAM.HHN. ML:0.7 0.0000172 0.52 AML other m 2022-08-27T03:40:44.31
IV.CESX.HHE. ML:1.1 0.00002705 0.3 AML other m 2022-08-27T03:40:44.20
IV.MOMA.HHN. ML:1.6 0.00007209999999999999 1.66 AML other m 2022-08-27T03:40:44.95
IV.MOMA.HHE. ML:1.6 0.00007535 0.34 AML other m 2022-08-27T03:40:45.21
IV.T0110.HHE. ML:1.5 0.0000687 0.4 AML other m 2022-08-27T03:40:45.95
IV.CESX.HHN. ML:1.2 0.0000356 0.52 AML other m 2022-08-27T03:40:46.26
IV.T0110.HHN. ML:1.6 0.0000733 0.6 AML other m 2022-08-27T03:40:46.15
IV.FIAM.HHE. ML:0.8 0.0000201 1.48 AML other m 2022-08-27T03:40:48.22
IV.CING.HHE. ML:1.5 0.0000406 0.46 AML other m 2022-08-27T03:40:50.85
IV.CING.HHN. ML:1.4 0.0000307 0.68 AML other m 2022-08-27T03:40:51.64
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