Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 10-04-2023 and time 11:44:13 (Italy) in region 5 km NE Amatrice (RI)

A magnitude ML 2.1 earthquake occured in region: 5 km NE Amatrice (RI), on

  • 10-04-2023 09:44:13 (UTC)
  • 10-04-2023 11:44:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 13.3190 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.

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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 6 667 3324
Arquata del Tronto AP 12 1178 4502
Campotosto AQ 13 542 5044
Acquasanta Terme AP 13 2916 7960
Cittareale RI 14 482 8442
Cortino TE 16 656 9098
Valle Castellana TE 16 977 10075
Capitignano AQ 17 665 10740
Rocca Santa Maria TE 17 537 11277
Montereale AQ 17 2581 13858
Crognaleto TE 19 1297 15155
Montegallo AP 19 523 15678

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
36 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
90 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 2.1 2023-04-10
09:44:13		 42.6702 13.3193 10 2024-03-01
17:18:05		 Bollettino Sismico Italiano INGV 116825951
Reviewed
Rev100 		ML 2.1 2023-04-10
09:44:13		 42.6718 13.3233 12 2023-04-10
09:53:18		 Sala Sismica INGV-Roma 116240571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-10 09:44:13 ± 0.05
Latitude 42.6702 ± 0.0027
Longitude 13.3193 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116825951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 353
Semi-minor axis of confidence ellipse (meter) 226
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 65
Number of defining phases 65
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.78781
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 116825951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-22 11:54:57

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 116240571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-10 09:53:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2023-04-10T09:44:34.84 0.6 undecidable manual S 308 67.7766 50 0.4 42
IV.MOMA.HHZ. 2023-04-10T09:44:33.84 0.6 undecidable manual S 284 62.7927 50 0.72 38
IV.CESX.HHZ. 2023-04-10T09:44:32.98 0.6 undecidable manual S 264 60.1953 50 0.56 41
IV.VCEL.EHZ. 2023-04-10T09:44:31.65 0.6 undecidable manual S 125 52.4031 50 1.3 30
IV.MML1.EHZ. 2023-04-10T09:44:31.55 0.6 undecidable manual S 330 56.6988 50 0.06 46
IV.SAP2.EHE. 2023-04-10T09:44:30.17 0.6 undecidable manual S 8 47.7189 50 1.07 34
IV.CESI.HHZ. 2023-04-10T09:44:29.81 0.6 undecidable manual S 318 50.2164 50 0.06 47
IV.CSP1.EHZ. 2023-04-10T09:44:29.11 0.6 undecidable manual S 349 47.7189 50 0.03 47
IV.INTR.HHZ. 2023-04-10T09:44:28.46 0.3 undecidable manual P 147 87.4458 50 -0.22 63
IV.FDMO.HHZ. 2023-04-10T09:44:28.30 0.6 undecidable manual S 335 44.8218 50 -0.01 48
IV.GUMA.HHZ. 2023-04-10T09:44:28.85 0.6 undecidable manual S 2 43.5231 50 0.87 37
IV.ARRO.EHZ. 2023-04-10T09:44:28.84 0.6 undecidable manual S 258 46.3203 50 0.12 47
IT.MTCL.HGE. 2023-04-10T09:44:27.94 0.3 undecidable manual S 324 44.3223 50 -0.25 68
IV.CING.HHZ. 2023-04-10T09:44:27.42 0.3 undecidable manual P 353 78.8655 50 0.05 67
IV.MF5.EHZ. 2023-04-10T09:44:26.90 0.6 undecidable manual S 18 37.0296 50 0.66 41
IV.EL6.EHZ. 2023-04-10T09:44:26.81 0.3 undecidable manual P 346 75.2691 50 0 68
IV.FEMA.HNE. 2023-04-10T09:44:26.69 0.3 undecidable manual S 326 39.1275 50 -0.1 71
IV.SNTG.HHZ. 2023-04-10T09:44:25.97 0.3 undecidable manual P 335 71.7726 50 -0.31 64
IV.GAVE.EHZ. 2023-04-10T09:44:25.59 0.3 undecidable manual S 274 34.743 50 -0.04 73
MN.AQU.HNN. 2023-04-10T09:44:25.73 0.6 undecidable manual S 169 35.742 50 -0.17 47
IV.ASSB.HHZ. 2023-04-10T09:44:25.35 0.3 undecidable manual P 308 67.7766 50 -0.31 65
IV.CESX.HHZ. 2023-04-10T09:44:24.25 0.3 undecidable manual P 264 60.1953 50 -0.24 67
IV.MOMA.HHZ. 2023-04-10T09:44:24.93 0.1 undecidable manual P 284 62.7927 50 0.04 92
IV.GIGS.HHZ. 2023-04-10T09:44:24.05 0.6 undecidable manual S 139 31.746 50 -0.78 40
IV.T0110.HHZ. 2023-04-10T09:44:24.45 0.3 undecidable manual P 142 61.5939 50 -0.25 66
IV.MML1.EHZ. 2023-04-10T09:44:23.77 0.3 undecidable manual P 330 56.6988 50 -0.18 68
IV.ASCOL.EHE. 2023-04-10T09:44:23.85 0.6 undecidable manual S 48 29.8479 50 -0.46 45
IV.TRTR.HHZ. 2023-04-10T09:44:23.93 0.3 undecidable manual P 72 50.8158 50 0.89 55
7F.SIB1.EHE. 2023-04-10T09:44:23.39 0.6 undecidable manual S 351 25.2525 112 0.32 46
IV.VCEL.EHZ. 2023-04-10T09:44:23.49 0.3 undecidable manual P 125 52.4031 50 0.19 68
7F.SIB3.EHE. 2023-04-10T09:44:22.05 0.6 undecidable manual S 350 23.0547 113 -0.33 47
IV.SAP2.EHE. 2023-04-10T09:44:22.91 0.3 undecidable manual P 8 47.7189 50 0.34 67
IV.CSP1.EHZ. 2023-04-10T09:44:22.37 0.1 undecidable manual P 349 47.7189 50 -0.19 92
IV.ARRO.EHZ. 2023-04-10T09:44:22.08 0.1 positive manual P 258 46.3203 50 -0.27 90
IV.NRCA.HHZ. 2023-04-10T09:44:22.34 0.6 undecidable manual S 317 24.6531 112 -0.54 44
IV.FAGN.HHZ. 2023-04-10T09:44:22.91 0.3 undecidable manual P 154 49.8168 50 0.02 71
IV.GUMA.HHZ. 2023-04-10T09:44:22.08 0.1 undecidable manual P 2 43.5231 50 0.15 93
IV.LNSS.HNZ. 2023-04-10T09:44:22.68 0.6 undecidable manual S 252 23.9538 113 0.02 50
IV.CESI.HHZ. 2023-04-10T09:44:22.72 0.1 positive manual P 318 50.2164 50 -0.22 91
IV.MMO1.EHZ. 2023-04-10T09:44:22.90 0.6 undecidable manual S 1 25.4523 111 -0.23 47
7F.SIB2.EHE. 2023-04-10T09:44:22.48 0.6 undecidable manual S 357 24.5532 112 -0.36 46
IV.FEMA.HNE. 2023-04-10T09:44:21.98 0.3 undecidable manual P 326 39.1275 50 0.74 59
IT.MTCL.HGE. 2023-04-10T09:44:21.78 0.3 undecidable manual P 324 44.3223 50 -0.27 68
IV.RM33.EHZ. 2023-04-10T09:44:21.47 0.1 undecidable manual S 206 19.869 117 0.11 98
IV.FDMO.HHZ. 2023-04-10T09:44:21.94 0.1 undecidable manual P 335 44.8218 50 -0.17 93
IV.TERO.HHZ. 2023-04-10T09:44:21.99 0.3 undecidable manual S 103 23.754 113 -0.62 64
IV.MF5.EHZ. 2023-04-10T09:44:21.19 0.1 positive manual P 18 37.0296 50 0.27 92
MN.AQU.HNN. 2023-04-10T09:44:20.53 0.3 undecidable manual P 169 35.742 50 -0.19 70
IV.GAVE.EHZ. 2023-04-10T09:44:20.37 0.1 positive manual P 274 34.743 50 -0.2 94
IV.CAMP.HHZ. 2023-04-10T09:44:20.36 0.3 undecidable manual S 154 16.5723 121 -0.02 75
IV.MTRA.EHZ. 2023-04-10T09:44:19.01 0.1 undecidable manual S 33 11.4774 131 0.08 100
IV.MMO1.EHZ. 2023-04-10T09:44:19.03 0.3 undecidable manual P 1 25.4523 111 -0.09 73
IV.ASCOL.EHE. 2023-04-10T09:44:19.48 0.3 undecidable manual P 48 29.8479 50 -0.32 69
7F.SIB1.EHE. 2023-04-10T09:44:19.03 0.1 undecidable manual P 351 25.2525 112 -0.06 98
IV.GIGS.HHZ. 2023-04-10T09:44:19.63 0.1 negative manual P 139 31.746 50 -0.48 89
IV.LNSS.HNZ. 2023-04-10T09:44:18.83 0.1 positive manual P 252 23.9538 113 -0.03 99
IV.TERO.HHZ. 2023-04-10T09:44:18.62 0.1 undecidable manual P 103 23.754 113 -0.2 95
7F.SIB3.EHE. 2023-04-10T09:44:18.52 0.3 undecidable manual P 350 23.0547 113 -0.17 72
7F.SIB2.EHE. 2023-04-10T09:44:18.78 0.1 undecidable manual P 357 24.5532 112 -0.18 96
IV.SMA1.EHZ. 2023-04-10T09:44:18.12 0.3 undecidable manual S 164 4.5954 155 0.66 65
IV.NRCA.HHZ. 2023-04-10T09:44:18.78 0.1 positive manual P 317 24.6531 112 -0.2 95
IV.RM33.EHZ. 2023-04-10T09:44:18.24 0.1 positive manual P 206 19.869 117 0.14 97
IV.CAMP.HHZ. 2023-04-10T09:44:17.67 0.1 negative manual P 154 16.5723 121 0.14 98
IV.SMA1.EHZ. 2023-04-10T09:44:16.41 0.1 negative manual P 164 4.5954 155 0.56 91
IV.MTRA.EHZ. 2023-04-10T09:44:16.94 0.1 negative manual P 33 11.4774 131 0.24 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:2.6 0.0062401704999999995 0.1408 AML other m 2023-04-10T09:44:18.22
IV.SMA1.EHN. ML:2.4 0.004845275 0.1408 AML other m 2023-04-10T09:44:18.29
IV.MTRA.EHE. ML:2.6 0.004880000000000001 0.1 AML other m 2023-04-10T09:44:19.14
IV.MTRA.HNE. ML:2.6 0.004885 0.1 AML other m 2023-04-10T09:44:19.14
IV.MTRA.HNN. ML:2.7 0.0059769035 0.128 AML other m 2023-04-10T09:44:19.08
IV.MTRA.EHN. ML:2.7 0.0059700000000000005 0.14 AML other m 2023-04-10T09:44:19.08
IV.RM33.HNN. ML:2.5 0.002571765 0.1216 AML other m 2023-04-10T09:44:21.87
IV.RM33.EHN. ML:2.5 0.0025221395 0.1216 AML other m 2023-04-10T09:44:21.88
IV.RM33.EHE. ML:2.5 0.0022031609999999995 0.1792 AML other m 2023-04-10T09:44:22.06
IV.RM33.HNE. ML:2.5 0.002165 0.18 AML other m 2023-04-10T09:44:22.07
IV.TERO.HNE. ML:2.6 0.002554307 0.1024 AML other m 2023-04-10T09:44:22.13
IV.TERO.HNN. ML:2.4 0.00141648325 0.0704 AML other m 2023-04-10T09:44:22.25
IV.TERO.HHN. ML:2.4 0.0016549969999999998 0.0832 AML other m 2023-04-10T09:44:22.35
IV.TERO.HHE. ML:2.5 0.0019931455 0.1408 AML other m 2023-04-10T09:44:22.33
IV.LNSS.HHE. ML:2.2 0.00091723095 0.16 AML other m 2023-04-10T09:44:22.80
IV.LNSS.HNE. ML:2.1 0.0008924282999999999 0.1664 AML other m 2023-04-10T09:44:22.80
IV.MMO1.EHN. ML:1.6 0.00024651325 0.0768 AML other m 2023-04-10T09:44:23.16
IV.NRCA.HNN. ML:2.4 0.0017429264999999998 0.1216 AML other m 2023-04-10T09:44:23.46
IV.NRCA.HHN. ML:2.5 0.001895 0.12 AML other m 2023-04-10T09:44:23.40
IV.NRCA.HHE. ML:2.4 0.0013695315 0.1216 AML other m 2023-04-10T09:44:23.54
IV.NRCA.HNE. ML:2.4 0.0014 0.14 AML other m 2023-04-10T09:44:23.55
IV.GIGS.HHE. ML:1.6 0.00019614854999999996 0.0832 AML other m 2023-04-10T09:44:24.54
IV.LNSS.HNN. ML:2.1 0.0007427575000000001 0.128 AML other m 2023-04-10T09:44:24.65
IV.LNSS.HHN. ML:2.1 0.0008079095 0.1408 AML other m 2023-04-10T09:44:24.66
IV.GIGS.HHN. ML:1.7 0.000246 0.18 AML other m 2023-04-10T09:44:24.56
IV.MMO1.EHE. ML:1.6 0.0002414346 0.3008 AML other m 2023-04-10T09:44:25.26
IV.GAVE.HNN. ML:1.8 0.0002610016 0.2304 AML other m 2023-04-10T09:44:25.83
IV.GAVE.EHN. ML:2.2 0.000739 0.22 AML other m 2023-04-10T09:44:25.73
IV.MF5.EHE. ML:1.8 0.00024793825 0.1792 AML other m 2023-04-10T09:44:27.17
IV.MF5.EHN. ML:2.0 0.00035957539999999997 0.3008 AML other m 2023-04-10T09:44:27.36
IV.GAVE.EHE. ML:2.4 0.0011423865 0.1792 AML other m 2023-04-10T09:44:27.54
IV.GAVE.HNE. ML:2.4 0.0011463425 0.1664 AML other m 2023-04-10T09:44:27.54
IV.FDMO.HHE. ML:1.8 0.00016800025 0.2624 AML other m 2023-04-10T09:44:28.98
IV.FDMO.HHN. ML:1.6 0.00012757625 0.16 AML other m 2023-04-10T09:44:29.08
IV.ARRO.EHN. ML:2.0 0.000316 0.14 AML other m 2023-04-10T09:44:30.14
IV.CESI.HHN. ML:2.1 0.000294649 0.1792 AML other m 2023-04-10T09:44:30.62
IV.CESI.HNN. ML:2.0 0.0002856173 0.2304 AML other m 2023-04-10T09:44:30.63
IV.CESI.HHE. ML:1.8 0.00015433429999999997 0.1344 AML other m 2023-04-10T09:44:31.21
IV.CESI.HNE. ML:1.7 0.00014137145999999998 0.128 AML other m 2023-04-10T09:44:31.22
IV.ARRO.EHE. ML:2.0 0.0002745 0.2 AML other m 2023-04-10T09:44:31.17
IV.CSP1.EHE. ML:1.9 0.00023894705 0.2432 AML other m 2023-04-10T09:44:31.43
IV.FAGN.HHE. ML:2.1 0.0003135 0.4 AML other m 2023-04-10T09:44:32.53
IV.FAGN.HHN. ML:2.0 0.00027800000000000004 0.26 AML other m 2023-04-10T09:44:32.86
IV.GUMA.HNN. ML:2.1 0.00035849014999999993 0.2432 AML other m 2023-04-10T09:44:32.82
IV.GUMA.HHN. ML:2.1 0.0003775 0.28 AML other m 2023-04-10T09:44:32.83
IV.CSP1.EHN. ML:2.0 0.0002504776 0.1792 AML other m 2023-04-10T09:44:32.96
IV.MML1.HNN. ML:1.9 0.00016734015 1.8208 AML other m 2023-04-10T09:44:32.05
IV.MML1.EHN. ML:1.9 0.00016427595 1.8208 AML other m 2023-04-10T09:44:32.06
IV.VCEL.EHN. ML:2.3 0.00047119710000000006 1.6608 AML other m 2023-04-10T09:44:33.05
IV.VCEL.EHE. ML:2.2 0.00038375700000000003 0.4352 AML other m 2023-04-10T09:44:33.26
IV.MML1.HNE. ML:1.8 0.000148969595 0.4224 AML other m 2023-04-10T09:44:33.30
IV.MML1.EHE. ML:1.7 0.00010585706 0.1984 AML other m 2023-04-10T09:44:33.52
IV.GUMA.HHE. ML:2.1 0.00040300000000000004 0.3 AML other m 2023-04-10T09:44:34.62
IV.GUMA.HNE. ML:2.0 0.0003093252 0.32 AML other m 2023-04-10T09:44:34.78
IV.MOMA.HNN. ML:2.1 0.0002535226 0.2048 AML other m 2023-04-10T09:44:35.22
IV.MOMA.HHN. ML:1.0 0.000021850000000000003 0.2 AML other m 2023-04-10T09:44:35.12
IV.T0110.HHN. ML:2.2 0.000303 0.38 AML other m 2023-04-10T09:44:35.73
IV.T0110.HHE. ML:2.1 0.000251 0.72 AML other m 2023-04-10T09:44:35.57
IV.CESX.HHN. ML:2.0 0.00020050000000000002 0.38 AML other m 2023-04-10T09:44:35.83
IV.MOMA.HHE. ML:2.2 0.000272 0.14 AML other m 2023-04-10T09:44:35.57
IV.MOMA.HNE. ML:2.2 0.00028569764999999996 0.1536 AML other m 2023-04-10T09:44:35.64
IV.CESX.HHE. ML:1.9 0.000155 0.36 AML other m 2023-04-10T09:44:35.81
IV.ASSB.HHN. ML:1.9 0.00014444155 0.1984 AML other m 2023-04-10T09:44:37.91
IV.ASSB.HHE. ML:1.9 0.00015000000000000001 0.24 AML other m 2023-04-10T09:44:38.04
IV.SNTG.HHE. ML:1.4 0.000040674685000000004 0.1152 AML other m 2023-04-10T09:44:39.34
IV.SNTG.HHN. ML:1.5 0.000050563905 0.2368 AML other m 2023-04-10T09:44:39.36
IV.CING.HHE. ML:1.6 0.00005827745 0.256 AML other m 2023-04-10T09:44:39.68
IV.EL6.EHN. ML:1.8 0.00009521042000000001 0.1984 AML other m 2023-04-10T09:44:39.59
IV.CING.HHN. ML:1.7 0.00007557152000000001 0.16 AML other m 2023-04-10T09:44:40.01
IV.EL6.EHE. ML:1.8 0.0000985179 0.32 AML other m 2023-04-10T09:44:43.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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