Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 30-01-2023 and time 04:05:21 (Italy) in region 5 km W Amatrice (RI)

A magnitude ML 1.5 earthquake occured in region: 5 km W Amatrice (RI), on

  • 30-01-2023 03:05:21 (UTC)
  • 30-01-2023 04:05:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6260, 13.2330 at 13 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
Cittareale RI 6 482 3139
Accumoli RI 8 667 3806
Montereale AQ 11 2581 6387
Capitignano AQ 13 665 7052
Campotosto AQ 14 542 7594
Borbona RI 15 617 8211
Posta RI 16 694 8905
Arquata del Tronto AP 17 1178 10083
Cagnano Amiterno AQ 19 1369 11452
Barete AQ 20 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
95 Km E of Viterbo (67173 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 2023-01-30
03:05:21		 42.6262 13.2328 13 2024-03-01
17:18:02		 Bollettino Sismico Italiano INGV 116282271
Reviewed
Rev100 		ML 1.6 2023-01-30
03:05:21		 42.6372 13.2262 10 2023-01-30
03:09:40		 Sala Sismica INGV-Roma 113899801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 03:05:21 ± 0.07
Latitude 42.6262 ± 0.0036
Longitude 13.2328 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116282271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 406
Semi-minor axis of confidence ellipse (meter) 163
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 38
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) 0.51801
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 33
Type of magnitude ML
Reference to an origin 116282271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-11 15:04:57

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 113899801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 03:09:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-01-30T03:05:37.80 0.3 undecidable manual S 10 49.1175 93 1.04 53
IV.CSP1.EHZ. 2023-01-30T03:05:37.80 0.3 undecidable manual S 357 51.7038 92 0.35 67
IV.FDMO.HHZ. 2023-01-30T03:05:36.50 0.6 undecidable manual S 345 47.0196 93 0.3 46
IV.MF5.EHZ. 2023-01-30T03:05:36.60 0.3 undecidable manual S 25 44.1225 93 1.17 50
IV.FIAM.HHZ. 2023-01-30T03:05:34.70 0.3 undecidable manual S 193 40.8258 93 0.16 70
IV.ARRO.EHZ. 2023-01-30T03:05:33.80 0.3 undecidable manual S 262 38.5281 94 -0.12 71
IV.MNTT.EHZ. 2023-01-30T03:05:32.25 3.0 negative manual P 0.5 0
IV.MC2.EHZ. 2023-01-30T03:05:32.50 0.3 undecidable manual S 354 31.8459 95 0.35 70
IV.MMO1.EHZ. 2023-01-30T03:05:31.90 0.3 undecidable manual S 14 31.2465 95 -0.09 71
7F.SIB2.EHE. 2023-01-30T03:05:31.20 0.3 undecidable manual S 11 29.9478 95 -0.45 66
7F.SIB1.EHE. 2023-01-30T03:05:31.60 0.1 undecidable manual S 6 29.9478 95 -0.05 96
IV.TERO.HHZ. 2023-01-30T03:05:31.50 0.3 undecidable manual S 91 30.2475 95 -0.24 70
IV.MOMA.HHZ. 2023-01-30T03:05:31.67 0.6 undecidable manual P 290 57.498 92 0.21 45
IV.CSP1.EHZ. 2023-01-30T03:05:30.46 0.1 positive manual P 357 51.7038 92 -0.11 92
IV.CESI.HHZ. 2023-01-30T03:05:30.27 0.6 undecidable manual P 328 49.8168 92 0 47
7F.SIB3.EHN. 2023-01-30T03:05:30.80 0.3 undecidable manual S 6 27.75 96 -0.27 69
IV.GUMA.HHZ. 2023-01-30T03:05:30.48 0.1 positive manual P 10 49.1175 93 0.31 90
IV.MF5.EHZ. 2023-01-30T03:05:29.75 0.1 undecidable manual P 25 44.1225 93 0.34 90
IV.NRCA.HHZ. 2023-01-30T03:05:29.80 0.3 undecidable manual S 337 24.9528 98 -0.52 65
IV.FDMO.HHZ. 2023-01-30T03:05:29.67 0.1 positive manual P 345 47.0196 93 -0.18 91
IV.CAMP.HHZ. 2023-01-30T03:05:28.20 0.3 undecidable manual S 125 17.5713 106 -0.18 73
IV.FIAM.HHZ. 2023-01-30T03:05:28.94 0.1 undecidable manual P 193 40.8258 93 0.05 95
IV.MTRA.EHZ. 2023-01-30T03:05:28.40 0.3 undecidable manual S 43 19.6692 102 -0.54 65
IV.ARRO.EHZ. 2023-01-30T03:05:28.45 0.1 undecidable manual P 262 38.5281 94 -0.09 95
IV.TERO.HHZ. 2023-01-30T03:05:27.13 0.1 undecidable manual P 91 30.2475 95 -0.14 95
MN.AQU.HNE. 2023-01-30T03:05:27.86 3.0 undecidable manual P -0.31 0
IV.MMO1.EHZ. 2023-01-30T03:05:27.30 0.1 undecidable manual P 14 31.2465 95 -0.12 95
7F.SIB2.EHE. 2023-01-30T03:05:27.00 0.1 positive manual P 11 29.9478 95 -0.22 93
IV.LNSS.HHZ. 2023-01-30T03:05:27.80 0.3 undecidable manual S 261 15.9729 110 -0.17 73
IV.GIGS.HHZ. 2023-01-30T03:05:27.75 3.0 undecidable manual P -0.3 0
7F.SIB1.EHE. 2023-01-30T03:05:27.18 0.1 positive manual P 6 29.9478 95 -0.04 97
IV.RM33.EHZ. 2023-01-30T03:05:27.30 0.3 undecidable manual S 187 13.0758 118 0.02 76
IV.MC2.EHZ. 2023-01-30T03:05:27.49 0.1 positive manual P 354 31.8459 95 -0.02 97
7F.SIB3.EHN. 2023-01-30T03:05:26.65 0.1 positive manual P 6 27.75 96 -0.24 93
IV.NRCA.HHZ. 2023-01-30T03:05:26.27 0.1 positive manual P 337 24.9528 98 -0.19 95
IV.SMA1.EHE. 2023-01-30T03:05:26.20 0.3 undecidable manual S 87 8.3805 137 -0.08 74
IV.CAMP.HHZ. 2023-01-30T03:05:25.46 0.3 undecidable manual P 125 17.5713 106 0.12 74
IV.LNSS.HHZ. 2023-01-30T03:05:25.17 0.1 positive manual P 261 15.9729 110 0.07 100
IV.MTRA.EHZ. 2023-01-30T03:05:25.54 0.1 positive manual P 43 19.6692 102 -0.12 97
IV.RM33.EHZ. 2023-01-30T03:05:24.88 0.1 positive manual P 187 13.0758 118 0.18 98
IV.SMA1.EHE. 2023-01-30T03:05:24.33 0.1 negative manual P 87 8.3805 137 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:0.0 0.0003755 0.74 AML other m 2023-01-30T03:05:27.49
IV.RM33.EHN. ML:0.0 0.0003695 0.14 AML other m 2023-01-30T03:05:27.50
IV.LNSS.HHE. ML:0.0 0.000221 0.12 AML other m 2023-01-30T03:05:28.21
IV.RM33.HNE. ML:0.0 0.00034399999999999996 1.14 AML other m 2023-01-30T03:05:28.82
IV.RM33.EHE. ML:0.0 0.0002785 1.16 AML other m 2023-01-30T03:05:28.83
IV.LNSS.HHN. ML:0.0 0.0001855 0.66 AML other m 2023-01-30T03:05:28.21
IV.MTRA.HNN. ML:0.0 0.0005245 0.24 AML other m 2023-01-30T03:05:28.55
IV.MTRA.EHN. ML:0.0 0.0004885 0.26 AML other m 2023-01-30T03:05:28.55
IV.MTRA.HNE. ML:0.0 0.000621 0.8 AML other m 2023-01-30T03:05:28.39
IV.MTRA.EHE. ML:0.0 0.0006045 0.8 AML other m 2023-01-30T03:05:28.40
IV.NRCA.HHN. ML:0.0 0.000206 1.52 AML other m 2023-01-30T03:05:29.22
IV.NRCA.HHE. ML:0.0 0.00045799999999999997 0.14 AML other m 2023-01-30T03:05:30.03
IV.TERO.HHN. ML:0.0 0.00009309999999999999 1.06 AML other m 2023-01-30T03:05:31.40
IV.MMO1.EHN. ML:0.0 0.00010005 0.22 AML other m 2023-01-30T03:05:32.01
IV.MMO1.EHE. ML:0.0 0.0000667 0.84 AML other m 2023-01-30T03:05:32.15
IV.TERO.HHE. ML:0.0 0.00006925 0.92 AML other m 2023-01-30T03:05:32.40
IV.MC2.EHN. ML:0.0 0.0002344 0.26 AML other m 2023-01-30T03:05:33.94
IV.MC2.EHE. ML:0.0 0.0002135 0.38 AML other m 2023-01-30T03:05:34.14
IV.LNSS.HNE. ML:1.4 0.0002069577 0.12 AML other m 2023-01-30T03:05:28.21
IV.LNSS.HNN. ML:1.4 0.00019250675000000001 0.4 AML other m 2023-01-30T03:05:28.01
IV.CAMP.HHE. ML:0.8 0.000043260430000000006 2.16 AML other m 2023-01-30T03:05:27.75
IV.CAMP.HHN. ML:0.5 0.000025672044999999997 0.5008 AML other m 2023-01-30T03:05:28.64
IV.NRCA.HNN. ML:1.6 0.0002115705 0.4496 AML other m 2023-01-30T03:05:30.38
IV.TERO.HNN. ML:1.6 0.00016413519999999997 1.12 AML other m 2023-01-30T03:05:31.58
IV.TERO.HNE. ML:1.4 0.000112391295 0.92 AML other m 2023-01-30T03:05:30.99
IV.MMO1.HNE. ML:3.0 0.005413943 2.4096 AML other m 2023-01-30T03:05:32.49
IV.MMO1.HNN. ML:3.2 0.007073988 2.6112 AML other m 2023-01-30T03:05:31.84
IV.ARRO.EHE. ML:0.8 0.000019526375999999998 0.3008 AML other m 2023-01-30T03:05:34.20
IV.ARRO.EHN. ML:1.0 0.000034146820000000005 1.84 AML other m 2023-01-30T03:05:34.25
IV.FIAM.HNN. ML:1.7 0.00017006663999999998 0.6016 AML other m 2023-01-30T03:05:35.22
IV.FIAM.HHN. ML:1.1 0.000038012425000000004 1.3792 AML other m 2023-01-30T03:05:35.21
IV.FIAM.HHE. ML:1.1 0.000038595395000000006 0.28 AML other m 2023-01-30T03:05:35.33
IV.FIAM.HNE. ML:2.2 0.00047699235 1.3008 AML other m 2023-01-30T03:05:35.81
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