Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 23-02-2019 and time 03:00:50 (Italy) in region 4 km S Tolentino (MC)

A magnitude ML 1.4 earthquake occured in region: 4 km S Tolentino (MC), on

  • 23-02-2019 02:00:50 (UTC)
  • 23-02-2019 03:00:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1770, 13.2970 at 21 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
Tolentino MC 4 20069 20069
Belforte del Chienti MC 5 1886 21955
Colmurano MC 5 1263 23218
Camporotondo di Fiastrone MC 6 563 23781
Ripe San Ginesio MC 7 852 24633
Caldarola MC 7 1823 26456
Urbisaglia MC 7 2628 29084
San Ginesio MC 8 3498 32582
Cessapalombo MC 8 512 33094
Serrapetrona MC 9 966 34060
Loro Piceno MC 10 2401 36461
Pollenza MC 11 6618 43079
San Severino Marche MC 11 12726 55805
Sant'Angelo in Pontano MC 12 1436 57241
Gualdo MC 13 815 58056
Petriolo MC 15 1998 60054
Montappone FM 15 1682 61736
Massa Fermana FM 15 963 62699
Mogliano MC 15 4696 67395
Treia MC 15 9403 76798
Sarnano MC 16 3264 80062
Falerone FM 16 3337 83399
Monte Vidon Corrado FM 17 731 84130
Penna San Giovanni MC 17 1108 85238
Macerata MC 19 42473 127711
Corridonia MC 19 15430 143141
Acquacanina MC 19 121 143262
Camerino MC 19 6974 150236
Servigliano FM 19 2336 152572
Fiastra MC 19 559 153131
Castelraimondo MC 20 4587 157718
Gagliole MC 20 620 158338
Monte San Martino MC 20 765 159103
Francavilla d'Ete FM 20 964 160067

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km SW of Ancona (100861 inhabitants)
54 Km E of Foligno (57155 inhabitants)
66 Km NW of Teramo (54892 inhabitants)
74 Km E of Perugia (166134 inhabitants)
78 Km S of Fano (60888 inhabitants)
87 Km NE of Terni (111501 inhabitants)
87 Km SE of Pesaro (94582 inhabitants)
92 Km N of L'Aquila (69753 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 1.4 2019-02-23
02:00:50		 43.177 13.2967 21 2019-08-22
08:24:51		 Bollettino Sismico Italiano INGV 65938471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-23 02:00:50 ± 0.13
Latitude 43.1770 ± 0.0036
Longitude 13.2967 ± 0.0086
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65938471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 647
Semi-minor axis of confidence ellipse (meter) 315
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 197
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.59805
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 65938471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-25 07:12:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2019-02-23T02:01:59.90 3.0 undecidable manual Sg 9.52 0
CH.BERNI.HHZ. 2019-02-23T02:01:45.82 3.0 negative manual Pn -2.29 0
IV.MTTG.HHZ. 2019-02-23T02:01:45.69 3.0 undecidable manual Sn -4.37 0
IV.SSFR.HHZ. 2019-02-23T02:01:07.15 0.6 undecidable manual S 305 50.5161 105 0.37 45
IV.ARVD.HHZ. 2019-02-23T02:01:06.11 0.3 undecidable manual S 321 45.7209 107 0.56 64
IV.CESI.HHZ. 2019-02-23T02:01:03.65 0.3 undecidable manual S 239 37.0296 112 0.28 71
IV.TERO.HHN. 2019-02-23T02:01:02.58 0.3 undecidable manual P 158 66.378 101 0.31 68
IV.T1299.HNN. 2019-02-23T02:01:01.52 0.6 undecidable manual P 181 60.1953 102 0.17 47
IV.SMA1.EHN. 2019-02-23T02:01:01.47 0.3 undecidable manual P 177 60.6948 102 0.05 71
IV.SNTG.HHZ. 2019-02-23T02:01:01.56 0.1 undecidable manual S 287 30.0477 117 -0.11 100
IV.EL6.EHZ. 2019-02-23T02:01:00.00 0.3 undecidable manual S 317 23.0547 126 -0.09 76
IV.FDMO.HHZ. 2019-02-23T02:00:59.97 0.1 undecidable manual S 227 23.0547 126 -0.1 100
IV.SSFR.HHZ. 2019-02-23T02:00:59.76 0.3 undecidable manual P 305 50.5161 105 -0.13 71
IV.CSP1.EHZ. 2019-02-23T02:00:58.05 0.3 undecidable manual S 218 11.9769 146 0.04 78
IV.ARVD.HHZ. 2019-02-23T02:00:58.93 0.3 undecidable manual P 321 45.7209 107 -0.25 70
IV.CESI.HHZ. 2019-02-23T02:00:57.87 0.3 undecidable manual P 239 37.0296 112 -0.05 74
IV.SNTG.HHZ. 2019-02-23T02:00:56.69 0.1 undecidable manual P 287 30.0477 117 -0.25 96
IV.ATFO.HHZ. 2019-02-23T02:00:56.78 3.0 undecidable manual Pn -2.98 0
IV.FDMO.HHZ. 2019-02-23T02:00:55.89 0.1 positive manual P 227 23.0547 126 -0.13 99
IV.EL6.EHZ. 2019-02-23T02:00:55.88 0.3 undecidable manual P 317 23.0547 126 -0.15 75
IV.CSP1.EHZ. 2019-02-23T02:00:54.80 0.3 undecidable manual P 218 11.9769 146 -0.03 77
IX.STN3.HHZ.02 2019-02-23T02:00:50.54 3.0 undecidable manual Sn -0.02 0
IV.GAVE.HNZ. 2019-02-23T02:00:44.32 3.0 undecidable manual Pn -6.46 0
IV.VIVA.HHZ. 2019-02-23T02:00:44.01 3.0 undecidable manual Pg -1.3 0
IV.MTMR.HNZ. 2019-02-23T02:00:35.21 3.0 undecidable manual S 5.39 0
IV.IFOR.HHZ. 2019-02-23T02:00:33.06 3.0 undecidable manual P -1.85 0
IV.PAOL.HHZ. 2019-02-23T02:00:29.78 3.0 undecidable manual S 1.62 0
IV.VITU.HNZ. 2019-02-23T02:00:22.53 3.0 undecidable manual P 2.99 0
IV.PTRJ.HNZ. 2019-02-23T02:00:20.09 3.0 undecidable manual P -1 0
IV.BSSO.HHZ. 2019-02-23T02:00:20.02 3.0 negative manual P -2.68 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.4 0.00013055 0.1 AML other m 2019-02-23T02:01:00.07
IV.FDMO.HHN. ML:1.2 0.00007439999999999999 0.66 AML other m 2019-02-23T02:01:00.42
IV.SNTG.HHN. ML:1.4 0.0001056 0.2 AML other m 2019-02-23T02:01:01.71
IV.SNTG.HHE. ML:1.4 0.0000885 1.4 AML other m 2019-02-23T02:01:02.01
IV.CSP1.EHE. ML:1.4 0.0001719502 0.0592 AML other m 2019-02-23T02:00:58.39
IV.CSP1.EHN. ML:1.6 0.0002417613 0.12 AML other m 2019-02-23T02:00:58.48
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 not available