Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 27-02-2022 and time 12:55:27 (UTC) in region 5 km N Amatrice (RI)

A magnitude ML 2.3 earthquake occured in region: 5 km N Amatrice (RI), on

  • 27-02-2022 12:55:27 (UTC)
  • 27-02-2022 13:55:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6710, 13.3000 at 12 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 5 2657 2657
Accumoli RI 5 667 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Campotosto AQ 14 542 5526
Acquasanta Terme AP 14 2916 8442
Capitignano AQ 17 665 9107
Montereale AQ 17 2581 11688
Valle Castellana TE 18 977 12665
Cortino TE 18 656 13321
Rocca Santa Maria TE 19 537 13858
Montegallo AP 19 523 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
89 Km NE of Tivoli (56533 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 2.3 2022-02-27
12:55:27		 42.6713 13.3005 12 2022-07-08
12:33:59		 Bollettino Sismico Italiano INGV 105052251
Reviewed
Rev100 		ML 2.3 2022-02-27
12:55:27		 42.675 13.293 11 2022-02-27
13:08:55		 Sala Sismica INGV-Roma 101505991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-27 12:55:27 ± 0.06
Latitude 42.6713 ± 0.0027
Longitude 13.3005 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 105052251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 435
Semi-minor axis of confidence ellipse (meter) 131
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.90382
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 105052251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-06 12:03:12

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 101505991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-27 13:08:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2022-02-27T12:55:46.25 0.6 undecidable manual S 263 58.6968 91 0.27 43
IV.MGAB.HHZ. 2022-02-27T12:55:45.15 0.3 undecidable manual P 286 100.3218 91 0.4 59
IV.MML1.EHZ. 2022-02-27T12:55:45.62 0.6 undecidable manual S 332 55.7997 91 0.4 43
IV.SSFR.HHZ. 2022-02-27T12:55:44.54 0.3 undecidable manual P 334 94.6386 91 0.67 55
IV.CSP1.EHZ. 2022-02-27T12:55:43.06 0.6 undecidable manual S 351 47.3193 92 0.12 47
IV.GUMA.HHZ. 2022-02-27T12:55:43.01 0.6 undecidable manual S 4 43.5231 92 1.08 34
IV.FDMO.HHZ. 2022-02-27T12:55:42.00 0.6 undecidable manual S 337 44.0226 92 -0.08 47
IV.ARRO.EHZ. 2022-02-27T12:55:42.18 0.6 undecidable manual S 257 44.8218 92 -0.11 48
IV.ATCC.EHZ. 2022-02-27T12:55:41.29 0.3 undecidable manual P 317 78.2661 91 -0.05 67
IV.MF5.EHZ. 2022-02-27T12:55:41.25 0.6 undecidable manual S 20 37.4292 92 0.94 37
IT.MTCL.HGZ. 2022-02-27T12:55:41.44 0.6 undecidable manual S 326 43.3233 92 -0.45 44
IV.FEMA.HNE. 2022-02-27T12:55:40.25 0.6 undecidable manual S 328 38.1285 92 -0.26 46
MN.AQU.HHE. 2022-02-27T12:55:40.06 0.6 undecidable manual S 166 36.2415 92 0.06 47
IV.SNTG.HHZ. 2022-02-27T12:55:40.01 0.3 undecidable manual P 336 70.9734 91 -0.21 65
IV.EL6.EHZ. 2022-02-27T12:55:40.93 0.3 undecidable manual P 348 74.7696 91 0.13 66
IV.GAVE.EHZ. 2022-02-27T12:55:39.16 0.6 undecidable manual S 274 33.2445 93 -0.03 48
IV.ASSB.HHZ. 2022-02-27T12:55:39.37 0.3 undecidable manual P 308 66.4779 91 -0.15 67
IV.MOMA.HHZ. 2022-02-27T12:55:38.84 0.3 undecidable manual P 284 61.2942 91 0.11 67
IV.CESX.HHZ. 2022-02-27T12:55:38.11 0.3 undecidable manual P 263 58.6968 91 -0.21 68
IV.GIGS.HHE. 2022-02-27T12:55:38.67 0.6 undecidable manual S 137 32.8449 93 -0.43 45
IV.MML1.EHZ. 2022-02-27T12:55:37.76 0.1 undecidable manual P 332 55.7997 91 -0.12 91
IV.MMO1.EHZ. 2022-02-27T12:55:37.05 0.6 undecidable manual S 5 25.3524 95 -0.05 48
IV.MC2.EHZ. 2022-02-27T12:55:37.92 0.6 undecidable manual S 341 28.1496 94 0.09 48
7F.SIB2.EHN. 2022-02-27T12:55:36.48 0.3 undecidable manual S 1 24.3534 95 -0.35 68
IV.GUMA.HHZ. 2022-02-27T12:55:36.40 0.1 undecidable manual P 4 43.5231 92 0.41 88
IV.NRCA.HHZ. 2022-02-27T12:55:36.11 0.6 undecidable manual S 320 23.5542 95 -0.5 45
IV.ARRO.EHZ. 2022-02-27T12:55:36.01 0.3 undecidable manual P 257 44.8218 92 -0.18 70
7F.SIB1.EHZ. 2022-02-27T12:55:36.77 0.6 undecidable manual S 354 24.8529 95 -0.2 47
IV.CSP1.EHZ. 2022-02-27T12:55:36.52 0.1 undecidable manual P 351 47.3193 92 -0.05 94
IV.TERO.HHZ. 2022-02-27T12:55:36.87 0.3 undecidable manual S 102 25.3524 95 -0.22 70
IV.RM33.EHZ. 2022-02-27T12:55:35.39 0.6 undecidable manual S 201 19.3695 99 -0.11 50
IV.FDMO.HHZ. 2022-02-27T12:55:35.88 0.1 undecidable manual P 337 44.0226 92 -0.19 92
7F.SIB3.EHN. 2022-02-27T12:55:35.88 0.6 undecidable manual S 354 22.755 96 -0.52 44
IV.FEMA.HNE. 2022-02-27T12:55:35.15 0.3 undecidable manual P 328 38.1285 92 -0.01 72
IV.MF5.EHZ. 2022-02-27T12:55:35.56 0.1 undecidable manual P 20 37.4292 92 0.51 87
IT.MTCL.HGZ. 2022-02-27T12:55:35.74 0.3 undecidable manual P 326 43.3233 92 -0.22 69
IV.GIGS.HHE. 2022-02-27T12:55:34.12 0.1 undecidable manual P 137 32.8449 93 -0.23 93
MN.AQU.HHE. 2022-02-27T12:55:34.99 0.3 undecidable manual P 166 36.2415 92 0.12 70
IV.GAVE.EHZ. 2022-02-27T12:55:34.28 0.1 undecidable manual P 274 33.2445 93 -0.12 96
IV.MC2.EHZ. 2022-02-27T12:55:33.63 0.1 positive manual P 341 28.1496 94 0.01 98
IV.TERO.HHZ. 2022-02-27T12:55:33.12 0.1 undecidable manual P 102 25.3524 95 -0.07 97
7F.SIB1.EHZ. 2022-02-27T12:55:33.17 0.1 undecidable manual P 354 24.8529 95 0.05 98
IV.MTRA.HNZ. 2022-02-27T12:55:33.35 0.6 undecidable manual S 40 12.2766 117 -0.34 46
IV.MMO1.EHZ. 2022-02-27T12:55:33.19 0.1 undecidable manual P 5 25.3524 95 0 98
IV.RM33.EHZ. 2022-02-27T12:55:32.38 0.1 undecidable manual P 201 19.3695 99 0.11 96
IV.NRCA.HHZ. 2022-02-27T12:55:32.78 0.1 positive manual P 320 23.5542 95 -0.13 97
7F.SIB3.EHN. 2022-02-27T12:55:32.73 0.1 undecidable manual P 354 22.755 96 -0.06 98
IV.SMA1.EHE. 2022-02-27T12:55:32.36 0.6 undecidable manual S 148 5.3946 149 0.01 51
7F.SIB2.EHN. 2022-02-27T12:55:32.91 0.1 undecidable manual P 1 24.3534 95 -0.13 96
IV.MTRA.HNZ. 2022-02-27T12:55:31.31 0.1 undecidable manual P 40 12.2766 117 0.08 100
IV.SMA1.EHE. 2022-02-27T12:55:30.73 0.1 undecidable manual P 148 5.3946 149 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.5 0.0033399999999999997 0.64 AML other m 2022-02-27T12:55:33.79
IV.MTRA.EHE. ML:2.5 0.0033250000000000003 0.64 AML other m 2022-02-27T12:55:33.79
IV.MTRA.HNN. ML:2.7 0.004685000000000001 0.2 AML other m 2022-02-27T12:55:33.92
IV.MTRA.EHN. ML:2.7 0.00464 0.2 AML other m 2022-02-27T12:55:33.92
IV.RM33.EHN. ML:1.9 0.0006045 0.3 AML other m 2022-02-27T12:55:35.75
IV.RM33.EHE. ML:1.8 0.0005254999999999999 0.32 AML other m 2022-02-27T12:55:36.30
IV.NRCA.HHE. ML:2.7 0.002915 0.08 AML other m 2022-02-27T12:55:36.55
IV.NRCA.HNE. ML:2.6 0.0025549999999999995 0.08 AML other m 2022-02-27T12:55:36.55
IV.NRCA.HNN. ML:2.6 0.0022750000000000005 0.06 AML other m 2022-02-27T12:55:36.62
IV.NRCA.HHN. ML:2.6 0.00236 0.98 AML other m 2022-02-27T12:55:36.62
IV.TERO.HHE. ML:2.1 0.0006644999999999999 1.76 AML other m 2022-02-27T12:55:37.09
IV.TERO.HNE. ML:2.2 0.0008125 1.66 AML other m 2022-02-27T12:55:37.14
IV.MMO1.EHE. ML:2.0 0.0005885 0.9 AML other m 2022-02-27T12:55:37.28
IV.MMO1.EHN. ML:1.9 0.000429 0.62 AML other m 2022-02-27T12:55:38.63
IV.MC2.EHE. ML:2.4 0.001196 1.22 AML other m 2022-02-27T12:55:39.77
IV.TERO.HNN. ML:2.1 0.000739 1 AML other m 2022-02-27T12:55:39.38
IV.TERO.HHN. ML:2.0 0.000634 1 AML other m 2022-02-27T12:55:39.88
IV.MC2.EHN. ML:2.5 0.0015184999999999999 0.78 AML other m 2022-02-27T12:55:39.51
IV.GAVE.EHN. ML:2.3 0.0009319999999999999 0.16 AML other m 2022-02-27T12:55:40.57
IV.GAVE.EHE. ML:2.3 0.0008525000000000001 0.84 AML other m 2022-02-27T12:55:41.79
IV.FDMO.HHN. ML:2.0 0.0002845 0.28 AML other m 2022-02-27T12:55:42.37
IV.FDMO.HHE. ML:2.0 0.0002785 0.46 AML other m 2022-02-27T12:55:42.75
IV.GUMA.HHE. ML:2.4 0.0007755 0.28 AML other m 2022-02-27T12:55:43.35
IV.ARRO.EHN. ML:2.0 0.0002745 0.92 AML other m 2022-02-27T12:55:44.66
IV.GUMA.HHN. ML:2.2 0.000537 0.48 AML other m 2022-02-27T12:55:45.64
IV.MML1.EHN. ML:2.1 0.00028000000000000003 1.22 AML other m 2022-02-27T12:55:46.15
IV.MML1.EHE. ML:2.0 0.00020800000000000001 0.48 AML other m 2022-02-27T12:55:47.37
IV.MOMA.HNN. ML:2.2 0.0003175 0.16 AML other m 2022-02-27T12:55:48.81
IV.MOMA.HHN. ML:2.2 0.000333 0.18 AML other m 2022-02-27T12:55:48.80
IV.MOMA.HHE. ML:2.3 0.00035749999999999996 0.16 AML other m 2022-02-27T12:55:49.41
IV.MOMA.HNE. ML:2.3 0.00035749999999999996 0.18 AML other m 2022-02-27T12:55:49.42
IV.CESX.HHN. ML:1.9 0.00016199999999999998 0.72 AML other m 2022-02-27T12:55:51.66
IV.ARRO.EHE. ML:1.9 0.0002375 1.82 AML other m 2022-02-27T12:55:55.03
IV.CESX.HHE. ML:1.9 0.00015799999999999996 1.48 AML other m 2022-02-27T12:56:00.25
IV.ASSB.HHN. ML:2.3 0.000352 0.82 AML other m 2022-02-27T12:56:07.98
IV.ASSB.HHE. ML:2.6 0.0006770000000000001 0.32 AML other m 2022-02-27T12:56:07.72
IV.ATCC.HNE. ML:2.7 0.000689 1.4 AML other m 2022-02-27T12:56:12.29
IV.ATCC.EHE. ML:2.6 0.000575 0.22 AML other m 2022-02-27T12:56:12.18
IV.ATCC.EHN. ML:2.8 0.000893 0.48 AML other m 2022-02-27T12:56:12.96
IV.ATCC.HNN. ML:2.8 0.000891 0.5 AML other m 2022-02-27T12:56:12.72
IV.SSFR.HHN. ML:2.9 0.0009455 0.22 AML other m 2022-02-27T12:56:16.75
IV.SSFR.HNN. ML:3.0 0.0011 0.24 AML other m 2022-02-27T12:56:16.74
IV.SSFR.HHE. ML:2.8 0.000744 1.22 AML other m 2022-02-27T12:56:18.68
IV.SSFR.HNE. ML:2.9 0.0008674999999999999 0.24 AML other m 2022-02-27T12:56:19.54
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
Waveforms Seismic signals in miniseed + resp format Download