Earthquake with magnitude of ML 2.4 on date 31-07-2023 and time 18:26:32 (Italy) in region 2 km S Campotosto (AQ)

A magnitude ML 2.4 earthquake occured in region: 2 km S Campotosto (AQ), on

  • 31-07-2023 16:26:32 (UTC)
  • 31-07-2023 18:26:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5390, 13.3770 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 2 542 542
Capitignano AQ 7 665 1207
Crognaleto TE 9 1297 2504
Montereale AQ 11 2581 5085
Amatrice RI 12 2657 7742
Barete AQ 12 737 8479
Pizzoli AQ 13 4326 12805
Fano Adriano TE 13 296 13101
Cortino TE 14 656 13757
Pietracamela TE 15 271 14028
Cagnano Amiterno AQ 15 1369 15397
Cittareale RI 20 482 15879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 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
Reviewed
Rev100
ML 2.4 2023-07-31
16:26:32
42.539 13.3772 16 2023-07-31
16:35:32
Sala Sismica INGV-Roma 119734811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-31 16:26:32 ± 0.04
Latitude 42.5390 ± 0.0018
Longitude 13.3772 ± 0.0037
Depth (km) 16 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119734811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 250
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 59
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 119734811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-31 16:35:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.CGL1.HHZ. 2023-07-31T16:28:22.90 3.0 undecidable manual Sg 11.17 0
ZO.PDN2.EHZ. 2023-07-31T16:28:08.48 3.0 undecidable manual Sn 0.81 0
GU.RORO.HHZ. 2023-07-31T16:27:49.43 3.0 undecidable manual Pg 13.68 0
IV.CORL.HHZ. 2023-07-31T16:27:44.98 3.0 positive manual Pn 3.09 0
IV.SGTA.HHZ. 2023-07-31T16:27:38.74 3.0 undecidable manual Sg 5.98 0
IV.SARZ.HHZ. 2023-07-31T16:27:34.53 3.0 undecidable manual Pn 1.44 0
IX.MNT3.EHZ.02 2023-07-31T16:27:30.62 3.0 undecidable manual Sn -3.32 0
MN.TRI.HHZ. 2023-07-31T16:27:29.62 3.0 undecidable manual Pg 7.48 0
IV.CAR1.HHZ. 2023-07-31T16:27:28.88 3.0 positive manual Pn -3.24 0
OX.VARN.HHZ. 2023-07-31T16:27:24.69 3.0 positive manual Pn -2.77 0
IV.PZUN.HHZ. 2023-07-31T16:27:14.43 3.0 negative manual Pn 0.07 0
IV.PIEI.HHZ. 2023-07-31T16:27:12.95 3.0 undecidable manual S 1.28 0
IV.CAFE.HHZ. 2023-07-31T16:27:11.85 3.0 undecidable manual Pg 5.38 0
IX.SCL3.EHZ.02 2023-07-31T16:27:11.66 3.0 undecidable manual Pn -0.13 0
IV.ARVD.HHZ. 2023-07-31T16:27:07.88 3.0 undecidable manual S 0.11 0
IV.MURB.HHZ. 2023-07-31T16:27:06.24 3.0 undecidable manual S 0.05 0
IV.SSFR.HHZ. 2023-07-31T16:27:06.92 3.0 undecidable manual S -0.51 0
IV.MML1.EHZ. 2023-07-31T16:26:55.54 3.0 undecidable manual S -0.46 0
IV.CSP1.EHZ. 2023-07-31T16:26:53.00 3.0 undecidable manual S -0.44 0
IV.PIEI.HHZ. 2023-07-31T16:26:53.69 3.0 undecidable manual P -0.81 0
IV.GIUL.HHZ. 2023-07-31T16:26:52.75 3.0 negative manual P 1.08 0
IV.MGAB.HHZ. 2023-07-31T16:26:52.30 3.0 undecidable manual P 0.2 0
IV.MURB.HHZ. 2023-07-31T16:26:50.81 3.0 negative manual P -0.61 0
IV.ATCC.EHZ. 2023-07-31T16:26:48.73 3.0 positive manual P -0.57 0
IV.LPEL.HHZ. 2023-07-31T16:26:47.26 3.0 positive manual P -0.66 0
IV.ASSB.HHZ. 2023-07-31T16:26:46.72 3.0 undecidable manual P -0.46 0
IV.MML1.EHZ. 2023-07-31T16:26:45.22 3.0 positive manual P -0.48 0
IV.CESX.HHZ. 2023-07-31T16:26:44.26 3.0 negative manual P -0.16 0
IV.INTR.HHZ. 2023-07-31T16:26:44.90 3.0 negative manual P -0.79 0
IV.GUMA.HHZ. 2023-07-31T16:26:43.73 3.0 undecidable manual P 0.24 0
IV.FDMO.HHZ. 2023-07-31T16:26:43.45 3.0 undecidable manual P -0.3 0
IV.CSP1.EHZ. 2023-07-31T16:26:43.90 3.0 negative manual P -0.36 0
IV.MF5.EHZ. 2023-07-31T16:26:42.43 3.0 negative manual P 0.25 0
IV.TERO.HNZ. 2023-07-31T16:26:41.17 0.3 undecidable manual S 63 20.7681 117 0.05 74
MN.AQU.HHZ. 2023-07-31T16:26:41.10 0.3 undecidable manual S 174 20.6682 117 0 74
IV.MTRA.HNZ. 2023-07-31T16:26:41.95 0.3 undecidable manual S 4 24.1536 112 -0.01 73
IV.ARRO.EHZ. 2023-07-31T16:26:41.75 3.0 positive manual P -0.17 0
IV.T0110.HHZ. 2023-07-31T16:26:41.41 3.0 positive manual P -0.07 0
IV.GAVE.EHZ. 2023-07-31T16:26:40.75 3.0 positive manual Pn -0.02 0
IV.MMO1.EHZ. 2023-07-31T16:26:40.41 0.1 undecidable manual P 354 40.1265 101 -0.03 95
IV.GIGS.HHZ. 2023-07-31T16:26:40.43 0.3 undecidable manual S 121 18.6702 121 -0.2 71
IV.NRCA.HNZ. 2023-07-31T16:26:40.22 0.3 undecidable manual P 327 39.0276 101 -0.06 71
IV.FAGN.HHZ. 2023-07-31T16:26:39.93 0.3 undecidable manual P 151 34.743 103 0.31 68
IV.RM33.EHZ. 2023-07-31T16:26:39.50 0.3 undecidable manual S 256 13.6752 132 -0.06 74
IV.FIAM.HHZ. 2023-07-31T16:26:39.84 0.3 undecidable manual P 215 36.8298 102 -0.1 71
IV.CAMP.HHZ. 2023-07-31T16:26:38.06 0.3 undecidable manual S 98 2.5974 169 0 76
IV.SMA1.EHZ. 2023-07-31T16:26:38.96 0.6 undecidable manual S 341 10.6782 140 -0.04 50
IV.LNSS.HHZ. 2023-07-31T16:26:38.70 0.3 undecidable manual P 285 28.4493 108 0.02 73
IV.GIGS.HHZ. 2023-07-31T16:26:37.26 0.1 undecidable manual P 121 18.6702 121 -0.04 98
IV.TERO.HNZ. 2023-07-31T16:26:37.57 0.3 undecidable manual P 63 20.7681 117 -0.01 74
MN.AQU.HHZ. 2023-07-31T16:26:37.51 0.3 undecidable manual P 174 20.6682 117 -0.06 73
IV.MTRA.HNZ. 2023-07-31T16:26:37.98 0.1 undecidable manual P 4 24.1536 112 -0.09 96
IV.SMA1.EHZ. 2023-07-31T16:26:36.50 0.1 undecidable manual P 341 10.6782 140 0.14 98
IV.RM33.EHZ. 2023-07-31T16:26:36.73 0.3 undecidable manual P 256 13.6752 132 0.05 74
IV.CAMP.HHZ. 2023-07-31T16:26:35.92 0.1 undecidable manual P 98 2.5974 169 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:2.1 0.0012835000000000001 0.12 AML other m 2023-07-31T16:26:38.25
IV.SMA1.EHN. ML:2.2 0.0014177172 0.1792 AML other m 2023-07-31T16:26:39.31
IV.RM33.HNE. ML:2.5 0.002309842 0.192 AML other m 2023-07-31T16:26:39.74
IV.RM33.EHE. ML:2.5 0.002282389 0.2048 AML other m 2023-07-31T16:26:39.73
IV.SMA1.EHE. ML:2.7 0.004070000000000001 0.24 AML other m 2023-07-31T16:26:39.74
IV.RM33.HNN. ML:2.6 0.00340374 0.1664 AML other m 2023-07-31T16:26:39.63
IV.RM33.EHN. ML:2.6 0.0033450000000000003 0.16 AML other m 2023-07-31T16:26:39.63
IV.GIGS.HHN. ML:2.1 0.0009381758 0.1024 AML other m 2023-07-31T16:26:40.52
IV.GIGS.HHE. ML:2.4 0.0017749999999999999 0.1 AML other m 2023-07-31T16:26:40.50
IV.TERO.HNE. ML:2.2 0.00095278565 0.0768 AML other m 2023-07-31T16:26:41.35
IV.TERO.HNN. ML:2.4 0.001673764 0.0896 AML other m 2023-07-31T16:26:41.40
IV.MTRA.HNN. ML:2.4 0.0014526448000000002 0.1024 AML other m 2023-07-31T16:26:42.38
IV.MTRA.EHN. ML:2.4 0.00148107085 0.1152 AML other m 2023-07-31T16:26:42.39
IV.MTRA.EHE. ML:2.7 0.002981468 0.1408 AML other m 2023-07-31T16:26:42.05
IV.MTRA.HNE. ML:2.7 0.0029202775 0.1408 AML other m 2023-07-31T16:26:42.05
IV.LNSS.HHE. ML:2.6 0.00188811 0.128 AML other m 2023-07-31T16:26:43.49
IV.LNSS.HNE. ML:2.5 0.001625 0.14 AML other m 2023-07-31T16:26:43.43
IV.LNSS.HHN. ML:2.5 0.0015899999999999998 0.14 AML other m 2023-07-31T16:26:43.48
IV.LNSS.HNN. ML:2.5 0.0015173225000000002 0.1408 AML other m 2023-07-31T16:26:43.48
IV.GAVE.HNN. ML:2.0 0.000265496955 0.2048 AML other m 2023-07-31T16:26:47.31
IV.GAVE.EHN. ML:2.4 0.0008165 0.2 AML other m 2023-07-31T16:26:47.22
IV.GAVE.EHE. ML:2.4 0.0008785 0.64 AML other m 2023-07-31T16:26:47.12
IV.GAVE.HNE. ML:2.4 0.0007727439000000001 0.2304 AML other m 2023-07-31T16:26:47.12
IV.MF5.EHN. ML:2.2 0.00044 0.24 AML other m 2023-07-31T16:26:50.84
IV.MF5.EHE. ML:2.2 0.00038849999999999996 1.82 AML other m 2023-07-31T16:26:50.91
IV.FDMO.HHN. ML:2.2 0.00035299999999999996 0.26 AML other m 2023-07-31T16:26:52.07
IV.FDMO.HHE. ML:2.2 0.000302 0.22 AML other m 2023-07-31T16:26:53.06
IV.GUMA.HHN. ML:2.4 0.000488 0.38 AML other m 2023-07-31T16:26:53.64
IV.CSP1.EHE. ML:2.3 0.00040982165 0.2304 AML other m 2023-07-31T16:26:54.66
IV.CSP1.EHN. ML:2.3 0.00037386215499999996 0.1536 AML other m 2023-07-31T16:26:54.79
IV.GUMA.HHE. ML:2.3 0.00041400000000000003 0.24 AML other m 2023-07-31T16:26:55.63
IV.ASSB.HHE. ML:2.1 0.0001635 0.42 AML other m 2023-07-31T16:26:58.62
IV.ASSB.HHN. ML:2.1 0.00017007377 0.2048 AML other m 2023-07-31T16:26:59.74
IV.ATCC.EHN. ML:2.1 0.0001365 0.3 AML other m 2023-07-31T16:27:03.06
IV.ATCC.EHE. ML:1.9 0.00009520000000000001 1.3 AML other m 2023-07-31T16:27:03.73
IV.MURB.HHE. ML:2.2 0.00014718470000000001 0.256 AML other m 2023-07-31T16:27:10.32
IV.MURB.HHN. ML:2.4 0.000227 0.3 AML other m 2023-07-31T16:27:09.23
IV.TERO.HHE. ML:2.5 0.0018820010000000001 0.064 AML other m 2023-07-31T16:26:41.46
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