Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 30-01-2023 and time 05:56:38 (UTC) in region 4 km NW Campotosto (AQ)

A magnitude ML 0.9 earthquake occured in region: 4 km NW Campotosto (AQ), on

  • 30-01-2023 05:56:38 (UTC)
  • 30-01-2023 06:56:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5870, 13.3430 at 14 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
Campotosto AQ 4 542 542
Amatrice RI 7 2657 3199
Capitignano AQ 8 665 3864
Montereale AQ 11 2581 6445
Crognaleto TE 12 1297 7742
Cortino TE 14 656 8398
Accumoli RI 14 667 9065
Cittareale RI 15 482 9547
Barete AQ 16 737 10284
Fano Adriano TE 17 296 10580
Cagnano Amiterno AQ 17 1369 11949
Pizzoli AQ 17 4326 16275
Pietracamela TE 19 271 16546
Rocca Santa Maria TE 19 537 17083
Borbona RI 19 617 17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
97 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 0.9 2023-01-30
05:56:38		 42.5873 13.3427 14 2024-03-01
17:18:04		 Bollettino Sismico Italiano INGV 116540851
Reviewed
Rev200 		ML 0.6 2023-01-30
05:56:38		 42.587 13.327 14 2023-01-30
07:41:46		 Sala Sismica INGV-Roma 113905101
Reviewed
Rev200 		ML 2.5 2023-01-30
05:56:38		 42.587 13.327 14 2023-01-30
07:39:57		 Sala Sismica INGV-Roma 113905091
Reviewed
Rev100 		ML 2.5 2023-01-30
05:56:38		 42.5872 13.327 14 2023-01-30
07:34:06		 Sala Sismica INGV-Roma 113905071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-30 05:56:38 ± 0.07
Latitude 42.5873 ± 0.0036
Longitude 13.3427 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116540851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 178
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29768
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 113905101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 07:41:46

ML:2.5

Field Value
Value 2.5
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 113905091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 07:39:57

ML:2.5

Field Value
Value 2.5
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 113905071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-30 07:34:06

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 20
Type of magnitude ML
Reference to an origin 116540851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-10 10:18:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2023-01-30T05:58:06.99 3.0 undecidable manual Sg 4.19 0
IV.TDS.HHZ. 2023-01-30T05:57:56.31 3.0 undecidable manual Sn -2.69 0
GU.POPM.HHZ. 2023-01-30T05:57:20.98 3.0 negative manual Pn 3.04 0
IV.SFI.EHZ. 2023-01-30T05:57:12.17 3.0 negative manual Pg 3.65 0
IV.AOI.HHZ. 2023-01-30T05:56:54.55 3.0 undecidable manual P -1 0
OT.OT17.EHZ. 2023-01-30T05:56:52.90 3.0 negative manual P 0.08 0
IV.NRCA.HHZ. 2023-01-30T05:56:49.43 0.3 undecidable manual S 326 33.0447 98 -0.14 73
IV.GIGS.HJZ. 2023-01-30T05:56:47.04 0.6 undecidable manual S 128 23.9538 104 -0.16 49
IV.GUMA.HHZ. 2023-01-30T05:56:47.24 3.0 undecidable manual P -0.41 0
IV.LNSS.HHN. 2023-01-30T05:56:47.36 0.6 undecidable manual S 274 24.753 103 -0.04 50
IV.GIUL.HHZ. 2023-01-30T05:56:46.31 3.0 positive manual P -1.21 0
IV.TERO.HHZ. 2023-01-30T05:56:46.50 0.3 undecidable manual S 79 21.6672 107 -0.11 75
IV.MTRA.EHZ. 2023-01-30T05:56:45.86 0.3 undecidable manual S 13 19.2696 110 -0.14 75
IV.NRCA.HHZ. 2023-01-30T05:56:44.85 0.3 undecidable manual P 326 33.0447 98 0.06 74
IV.RM33.EHZ. 2023-01-30T05:56:44.39 0.3 undecidable manual S 230 13.5753 123 -0.26 73
IV.SMA1.EHZ. 2023-01-30T05:56:43.02 0.3 undecidable manual S 353 4.7952 157 -0.1 77
IV.LNSS.HHN. 2023-01-30T05:56:43.59 0.3 undecidable manual P 274 24.753 103 0.06 75
IV.CAMP.HHZ. 2023-01-30T05:56:43.43 0.3 undecidable manual S 137 7.881 143 -0.1 77
IV.GIGS.HJZ. 2023-01-30T05:56:43.21 0.6 undecidable manual P 128 23.9538 104 -0.2 48
IV.TERO.HHZ. 2023-01-30T05:56:43.22 0.3 undecidable manual P 79 21.6672 107 0.15 74
IV.RM33.EHZ. 2023-01-30T05:56:42.08 0.3 undecidable manual P 230 13.5753 123 0.14 75
IV.MTRA.EHZ. 2023-01-30T05:56:42.76 0.3 undecidable manual P 13 19.2696 110 0.04 76
IV.SMA1.EHZ. 2023-01-30T05:56:41.26 0.1 negative manual P 353 4.7952 157 0.2 100
IV.CAMP.HHZ. 2023-01-30T05:56:41.54 0.1 undecidable manual P 137 7.881 143 0.24 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:0.1 0.000013152889499999999 1.36 AML other m 2023-01-30T05:56:43.55
IV.SMA1.EHN. ML:0.6 0.000050904615 0.1824 AML other m 2023-01-30T05:56:43.24
IV.CAMP.HHE. ML:0.3 0.000018546955 0.1792 AML other m 2023-01-30T05:56:43.45
IV.SMA1.EHE. ML:0.8 0.00008132344 0.1184 AML other m 2023-01-30T05:56:43.54
IV.RM33.HNN. ML:1.1 0.00010147052000000001 0.688 AML other m 2023-01-30T05:56:44.24
IV.RM33.EHN. ML:0.5 0.00003024654 1.0016 AML other m 2023-01-30T05:56:44.48
IV.RM33.HNE. ML:1.3 0.0001798617 1.1712 AML other m 2023-01-30T05:56:43.00
IV.RM33.EHE. ML:0.7 0.000044071005 0.1184 AML other m 2023-01-30T05:56:44.65
IV.NRCA.HHN. ML:0.7 0.000021353205 0.96 AML other m 2023-01-30T05:56:44.78
IV.TERO.HNE. ML:1.0 0.00006930803 0.9408 AML other m 2023-01-30T05:56:46.60
IV.TERO.HNN. ML:1.4 0.00015983185 0.8128 AML other m 2023-01-30T05:56:46.58
IV.TERO.HHE. ML:0.2 0.000009660121 0.1984 AML other m 2023-01-30T05:56:46.65
IV.TERO.HHN. ML:0.4 0.000015682715 0.56 AML other m 2023-01-30T05:56:46.80
IV.NRCA.HNN. ML:1.7 0.0002163148 0.9792 AML other m 2023-01-30T05:56:47.52
IV.NRCA.HNE. ML:1.3 0.000082857555 0.5984 AML other m 2023-01-30T05:56:49.34
IV.NRCA.HHE. ML:0.7 0.000021723698 0.1216 AML other m 2023-01-30T05:56:50.27
IV.GIUL.HHN. ML:1.8 0.00004804187 1.2 AML other m 2023-01-30T05:56:55.68
IV.GIUL.HHE. ML:1.4 0.000021127375000000002 0.88 AML other m 2023-01-30T05:56:57.43
IV.GUMA.HNN. ML:1.9 0.00019298084999999998 0.6496 AML other m 2023-01-30T05:57:05.82
IV.GUMA.HHN. ML:1.3 0.000043805105000000006 0.6592 AML other m 2023-01-30T05:57:08.35
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