Earthquake with magnitude of ML 1.1 on date 22-05-2023 and time 12:07:19 (UTC) in region 4 km NE Cagnano Amiterno (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Cagnano Amiterno (AQ), on

  • 22-05-2023 12:07:19 (UTC)
  • 22-05-2023 14:07:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4870, 13.2620 at 17 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
Barete AQ 4 737 737
Cagnano Amiterno AQ 4 1369 2106
Montereale AQ 5 2581 4687
Capitignano AQ 5 665 5352
Pizzoli AQ 6 4326 9678
Borbona RI 11 617 10295
Campotosto AQ 12 542 10837
Scoppito AQ 13 3727 14564
Posta RI 14 694 15258
Amatrice RI 16 2657 17915
Antrodoco RI 17 2588 20503
Cittareale RI 17 482 20985
Micigliano RI 17 127 21112
L'Aquila AQ 19 69753 90865
Borgo Velino RI 19 972 91837
Crognaleto TE 19 1297 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
76 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Velletri (53303 inhabitants)
99 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
Reviewed
Rev100
ML 1.1 2023-05-22
12:07:19
42.4867 13.2618 17 2023-05-22
12:46:37
Sala Sismica INGV-Roma 117589591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-22 12:07:19 ± 0.23
Latitude 42.4867 ± 0.0090
Longitude 13.2618 ± 0.0146
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117589591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 938
Semi-minor axis of confidence ellipse (meter) 756
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117589591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-22 12:46:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BNALP.HHZ. 2023-05-22T12:09:03.53 3.0 negative manual Pg 22.01 0
RF.GEPF.HHZ. 2023-05-22T12:09:03.92 3.0 undecidable manual Sn 2.52 0
IV.CMDO.HHZ. 2023-05-22T12:08:38.86 3.0 undecidable manual Pg 10.76 0
IV.CPTP.HHZ. 2023-05-22T12:08:30.92 3.0 positive manual Pn 1.83 0
IV.CMPR.HHZ. 2023-05-22T12:08:22.72 3.0 undecidable manual Sn -0.57 0
IV.CTI.HHZ. 2023-05-22T12:08:16.43 3.0 undecidable manual Pn 0.75 0
IV.RIBO.EHZ.01 2023-05-22T12:08:13.20 3.0 undecidable manual Sg -0.08 0
RF.GEPF.HHZ. 2023-05-22T12:08:10.30 3.0 negative manual Pn -5.17 0
IV.SPS2.HHZ. 2023-05-22T12:08:09.09 3.0 positive manual Pn -2.74 0
IV.RSM2.HHZ. 2023-05-22T12:08:04.01 3.0 undecidable manual Sn -5.09 0
IV.BDI.HHZ. 2023-05-22T12:08:02.87 3.0 undecidable manual Pg 3.28 0
IV.NDIM.HNZ. 2023-05-22T12:08:00.79 3.0 negative manual Pn -4.61 0
IV.CDRU.HHZ. 2023-05-22T12:07:54.74 3.0 undecidable manual Pg 2.64 0
IV.ARCI.HHZ. 2023-05-22T12:07:43.14 3.0 undecidable manual Pg -0.78 0
IV.MMO1.EHZ. 2023-05-22T12:07:34.71 0.6 undecidable manual S 7 46.1205 101 -0.09 50
IV.NRCA.HHZ. 2023-05-22T12:07:33.18 0.6 undecidable manual S 343 40.3263 103 -0.12 50
IV.TERO.HHZ. 2023-05-22T12:07:30.89 0.6 undecidable manual S 62 31.746 108 -0.21 49
IV.MMO1.EHZ. 2023-05-22T12:07:28.45 0.1 undecidable manual P 7 46.1205 101 -0.05 100
IV.NRCA.HHZ. 2023-05-22T12:07:27.72 0.6 negative manual P 343 40.3263 103 0.09 50
IV.SMA1.EHZ. 2023-05-22T12:07:27.72 0.6 undecidable manual S 21 17.0718 127 0.15 52
IV.TERO.HHZ. 2023-05-22T12:07:26.53 1.0 undecidable manual P 62 31.746 108 0.17 25
IV.RM33.EHZ. 2023-05-22T12:07:25.23 0.6 undecidable manual S 303 4.5954 163 -0.37 50
IV.SMA1.EHZ. 2023-05-22T12:07:24.75 0.6 negative manual P 21 17.0718 127 0.43 49
IV.RM33.EHZ. 2023-05-22T12:07:23.43 0.6 undecidable manual P 303 4.5954 163 0.24 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.0 0.0000975 0.28 AML other m 2023-05-22T12:07:25.90
IV.RM33.EHN. ML:0.9 0.00007199999999999999 0.8 AML other m 2023-05-22T12:07:26.52
IV.SMA1.EHE. ML:1.8 0.00040899999999999997 0.2 AML other m 2023-05-22T12:07:28.05
IV.SMA1.EHN. ML:1.5 0.0001905 0.18 AML other m 2023-05-22T12:07:28.14
IV.NRCA.HHN. ML:0.9 0.000024149999999999997 0.08 AML other m 2023-05-22T12:07:33.76
IV.NRCA.HHE. ML:0.9 0.000026349999999999997 1.26 AML other m 2023-05-22T12:07:34.15
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