Earthquake with magnitude of ML 0.8 on date 19-04-2023 and time 20:20:31 (Italy) in region 2 km E Smerillo (FM)

A magnitude ML 0.8 earthquake occured in region: 2 km E Smerillo (FM), on

  • 19-04-2023 18:20:31 (UTC)
  • 19-04-2023 20:20:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0060, 13.4720 at 25 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
Smerillo FM 2 365 365
Montefalcone Appennino FM 2 424 789
Santa Vittoria in Matenano FM 3 1330 2119
Monte San Martino MC 4 765 2884
Force AP 5 1354 4238
Montelparo FM 5 778 5016
Monteleone di Fermo FM 7 395 5411
Penna San Giovanni MC 7 1108 6519
Comunanza AP 7 3166 9685
Servigliano FM 9 2336 12021
Rotella AP 9 906 12927
Monte Rinaldo FM 9 379 13306
Amandola FM 10 3629 16935
Monsampietro Morico FM 10 659 17594
Montedinove AP 10 488 18082
Belmonte Piceno FM 11 646 18728
Montalto delle Marche AP 11 2122 20850
Montottone FM 11 979 21829
Falerone FM 11 3337 25166
Ortezzano FM 12 774 25940
Palmiano AP 12 196 26136
Sant'Angelo in Pontano MC 12 1436 27572
Montefortino FM 13 1178 28750
Gualdo MC 13 815 29565
Monte Vidon Corrado FM 13 731 30296
Venarotta AP 14 2066 32362
Monte Vidon Combatte FM 14 433 32795
Sarnano MC 14 3264 36059
Castignano AP 14 2796 38855
Montappone FM 15 1682 40537
Montegiorgio FM 15 6851 47388
Grottazzolina FM 16 3398 50786
Roccafluvione AP 16 2010 52796
Massa Fermana FM 16 963 53759
Monte Giberto FM 16 801 54560
Petritoli FM 17 2335 56895
Montemonaco AP 17 604 57499
San Ginesio MC 17 3498 60997
Ripe San Ginesio MC 18 852 61849
Carassai AP 18 1100 62949
Magliano di Tenna FM 18 1452 64401
Cossignano AP 18 978 65379
Loro Piceno MC 18 2401 67780
Ponzano di Fermo FM 19 1674 69454
Ascoli Piceno AP 19 49407 118861
Offida AP 20 5058 123919
Appignano del Tronto AP 20 1785 125704
Bolognola MC 20 142 125846
Rapagnano FM 20 2145 127991
Colmurano MC 20 1263 129254
Mogliano MC 20 4696 133950

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Teramo (54892 inhabitants)
63 Km E of Foligno (57155 inhabitants)
68 Km S of Ancona (100861 inhabitants)
73 Km N of L'Aquila (69753 inhabitants)
78 Km NW of Montesilvano (53738 inhabitants)
84 Km NE of Terni (111501 inhabitants)
85 Km NW of Pescara (121014 inhabitants)
89 Km E of Perugia (166134 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
100 Km SE of Fano (60888 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 0.8 2023-04-19
18:20:31
43.0063 13.4722 25 2023-04-19
18:26:40
Sala Sismica INGV-Roma 116528101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-19 18:20:31 ± 0.06
Latitude 43.0063 ± 0.0027
Longitude 13.4722 ± 0.0037
Depth (km) 25 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116528101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 180
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 267
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.04
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28239
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 116528101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-19 18:26:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.MPRI.HHZ. 2023-04-19T18:22:02.58 3.0 undecidable manual Sg 10.11 0
IV.MSRU.HHZ. 2023-04-19T18:21:54.23 3.0 positive manual Pg 12.35 0
IV.AMUR.HHZ. 2023-04-19T18:21:53.66 3.0 undecidable manual Sn 2.37 0
IV.ACER.HHZ. 2023-04-19T18:21:45.35 3.0 undecidable manual Sn -0.66 0
GU.IMI.HHZ. 2023-04-19T18:21:45.56 3.0 undecidable manual Pg 13.67 0
IV.ERC.EHZ. 2023-04-19T18:21:39.56 3.0 undecidable manual Pn -4.02 0
IV.LRP.EHZ. 2023-04-19T18:21:13.84 3.0 undecidable manual Sg 1.12 0
IV.LRP.EHZ. 2023-04-19T18:20:52.82 3.0 undecidable manual Pg -0.3 0
IV.PIEI.HHZ. 2023-04-19T18:20:45.74 3.0 undecidable manual P 0.01 0
IV.FDMO.HHZ. 2023-04-19T18:20:43.52 0.3 undecidable manual S 276 31.3464 123 0.01 72
IV.CSP1.EHZ. 2023-04-19T18:20:41.90 0.6 undecidable manual S 294 23.6541 132 0.04 48
IV.MMO1.EHZ. 2023-04-19T18:20:40.55 0.6 undecidable manual S 225 16.7721 143 -0.05 48
IV.GUMA.HHZ. 2023-04-19T18:20:40.01 0.6 undecidable manual S 299 12.7761 150 0 49
IV.NRCA.HHZ. 2023-04-19T18:20:39.19 3.0 positive manual P -0.8 0
IV.MF5.EHZ. 2023-04-19T18:20:39.15 0.6 undecidable manual S 206 2.2977 174 0.01 50
IV.FDMO.HHZ. 2023-04-19T18:20:38.46 0.6 positive manual P 276 31.3464 123 0.03 47
IV.CSP1.EHZ. 2023-04-19T18:20:37.34 1.0 positive manual P 294 23.6541 132 -0.13 24
IV.GUMA.HHZ. 2023-04-19T18:20:36.34 0.6 undecidable manual P 299 12.7761 150 -0.06 49
IV.MMO1.EHZ. 2023-04-19T18:20:36.78 0.6 undecidable manual P 225 16.7721 143 0.03 49
IV.MF5.EHZ. 2023-04-19T18:20:35.92 0.1 undecidable manual P 206 2.2977 174 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:1.2 0.00009805 0.14 AML other m 2023-04-19T18:20:39.32
IV.MF5.EHE. ML:0.9 0.00005324999999999999 0.1 AML other m 2023-04-19T18:20:39.31
IV.GUMA.HHE. ML:1.2 0.00008565000000000001 0.3 AML other m 2023-04-19T18:20:40.09
IV.GUMA.HHN. ML:0.9 0.0000388 0.18 AML other m 2023-04-19T18:20:40.73
IV.FDMO.HHN. ML:0.4 0.000012195 1.86 AML other m 2023-04-19T18:20:44.05
IV.FDMO.HHE. ML:0.4 0.0000078 0.12 AML other m 2023-04-19T18:20:44.11
IV.NRCA.HHE. ML:0.8 0.0000183 0.56 AML other m 2023-04-19T18:20:46.61
IV.NRCA.HHN. ML:0.7 0.0000135 0.8 AML other m 2023-04-19T18:20:46.99
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