Earthquake with magnitude of ML 1.3 on date 14-03-2023 and time 20:49:57 (UTC) in region 1 km E Montereale (AQ)

A magnitude ML 1.3 earthquake occured in region: 1 km E Montereale (AQ), on

  • 14-03-2023 20:49:57 (UTC)
  • 14-03-2023 21:49:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5230, 13.2580 at 16 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montereale AQ 1 2581 2581
Capitignano AQ 4 665 3246
Cagnano Amiterno AQ 7 1369 4615
Barete AQ 8 737 5352
Pizzoli AQ 10 4326 9678
Campotosto AQ 10 542 10220
Borbona RI 10 617 10837
Amatrice RI 12 2657 13494
Posta RI 13 694 14188
Cittareale RI 13 482 14670
Scoppito AQ 17 3727 18397
Micigliano RI 18 127 18524
Crognaleto TE 18 1297 19821
Antrodoco RI 19 2588 22409
Accumoli RI 19 667 23076

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
50 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
79 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
96 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 1.3 2023-03-14
20:49:57
42.5227 13.2577 16 2024-03-01
17:18:02
Bollettino Sismico Italiano INGV 116086771
Reviewed
Rev100
ML 1.5 2023-03-14
20:49:57
42.5102 13.254 16 2023-03-14
20:54:21
Sala Sismica INGV-Roma 115374381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-14 20:49:57 ± 0.1
Latitude 42.5227 ± 0.0036
Longitude 13.2577 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116086771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 428
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
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) 0.03417
Epicentral distance of station farthest from the epicenter (degree) 0.36692
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 115374381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-14 20:54:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116086771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-28 14:45:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-03-14T20:50:09.97 0.6 undecidable manual S 341 36.4413 101 -0.01 47
IV.TERO.HHZ. 2023-03-14T20:50:08.19 0.6 undecidable manual S 68 30.3474 104 -0.22 46
IV.GIGS.HHZ. 2023-03-14T20:50:07.30 0.3 undecidable manual S 107 26.9508 106 -0.22 70
IV.MTRA.HNZ. 2023-03-14T20:50:07.82 0.3 undecidable manual S 24 28.3494 105 -0.05 71
MN.AQU.HNZ. 2023-03-14T20:50:06.67 0.3 undecidable manual S 147 22.2555 112 0.33 68
IV.LNSS.HHZ. 2023-03-14T20:50:05.65 0.1 undecidable manual S 297 19.869 116 -0.1 97
IV.ARRO.EHZ. 2023-03-14T20:50:05.33 0.3 undecidable manual P 279 40.7259 99 -0.11 70
IV.NRCA.HHZ. 2023-03-14T20:50:04.87 0.1 undecidable manual P 341 36.4413 101 0.08 94
IV.CAMP.HHZ. 2023-03-14T20:50:04.09 0.3 undecidable manual S 83 12.4764 132 -0.01 74
IV.SMA1.EHZ. 2023-03-14T20:50:04.60 0.1 undecidable manual S 28 13.5753 129 0.28 94
IV.TERO.HHZ. 2023-03-14T20:50:03.79 0.1 undecidable manual P 68 30.3474 104 -0.09 94
IV.GIGS.HHZ. 2023-03-14T20:50:03.30 0.1 undecidable manual P 107 26.9508 106 -0.07 96
IV.MTRA.HNZ. 2023-03-14T20:50:03.44 0.3 undecidable manual P 24 28.3494 105 -0.14 70
IV.LNSS.HHZ. 2023-03-14T20:50:02.38 0.1 positive manual P 297 19.869 116 0.04 97
IV.RM33.EHZ. 2023-03-14T20:50:02.48 0.1 undecidable manual S 247 3.7962 163 -0.38 95
MN.AQU.HNZ. 2023-03-14T20:50:02.88 0.3 undecidable manual P 147 22.2555 112 0.2 70
IV.CAMP.HHZ. 2023-03-14T20:50:01.54 0.3 undecidable manual P 83 12.4764 132 0.14 72
IV.SMA1.EHZ. 2023-03-14T20:50:01.86 0.1 negative manual P 28 13.5753 129 0.34 93
IV.RM33.EHZ. 2023-03-14T20:50:00.67 0.1 negative manual P 247 3.7962 163 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.3 0.0002379355 0.4224 AML other m 2023-03-14T20:50:02.55
IV.RM33.EHN. ML:1.3 0.000234 0.42 AML other m 2023-03-14T20:50:02.55
IV.RM33.EHE. ML:1.4 0.0002635 0.28 AML other m 2023-03-14T20:50:02.74
IV.RM33.HNE. ML:1.3 0.0002373907 0.192 AML other m 2023-03-14T20:50:02.74
IV.SMA1.EHN. ML:1.4 0.0002175 1.86 AML other m 2023-03-14T20:50:04.95
IV.SMA1.EHE. ML:1.7 0.0004165 0.44 AML other m 2023-03-14T20:50:04.96
IV.LNSS.HHE. ML:1.4 0.00017147670000000002 0.1152 AML other m 2023-03-14T20:50:05.93
IV.LNSS.HHN. ML:1.2 0.000096696105 0.3584 AML other m 2023-03-14T20:50:05.71
IV.TERO.HHE. ML:0.8 0.0000256127015 1.0624 AML other m 2023-03-14T20:50:09.03
IV.NRCA.HHN. ML:1.3 0.00006974706 1.7792 AML other m 2023-03-14T20:50:10.71
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