Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 25-05-2019 and time 00:31:16 (Italy) in region 4 km S Bolognola (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km S Bolognola (MC), on

  • 24-05-2019 22:31:16 (UTC)
  • 25-05-2019 00:31:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9650, 13.2160 at 7 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.

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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
Bolognola MC 4 142 142
Ussita MC 7 444 586
Acquacanina MC 8 121 707
Castelsantangelo sul Nera MC 9 281 988
Fiastra MC 9 559 1547
Sarnano MC 11 3264 4811
Montefortino FM 11 1178 5989
Visso MC 11 1107 7096
Amandola FM 12 3629 10725
Montemonaco AP 12 604 11329
Fiordimonte MC 13 202 11531
Pievebovigliana MC 15 866 12397
Gualdo MC 15 815 13212
Pieve Torina MC 16 1458 14670
Comunanza AP 16 3166 17836
Cessapalombo MC 17 512 18348
Montegallo AP 17 523 18871
Preci PG 17 724 19595
Monte Cavallo MC 18 145 19740
San Ginesio MC 18 3498 23238
Camporotondo di Fiastrone MC 19 563 23801
Muccia MC 19 915 24716
Smerillo FM 19 365 25081
Caldarola MC 19 1823 26904
Monte San Martino MC 20 765 27669
Penna San Giovanni MC 20 1108 28777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
69 Km E of Perugia (166134 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
91 Km NW of Montesilvano (53738 inhabitants)
99 Km NW of Pescara (121014 inhabitants)
99 Km S 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 0.9 2019-05-24
22:31:16		 42.9648 13.2158 7 2019-05-24
22:39:30		 Sala Sismica INGV-Roma 68857361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-24 22:31:16 ± 0.15
Latitude 42.9648 ± 0.0036
Longitude 13.2158 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 68857361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 359
Semi-minor axis of confidence ellipse (meter) 104
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
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) 0.23203
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 68857361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-24 22:39:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2019-05-24T22:31:44.61 3.0 undecidable manual S -0.24 0
IV.CESI.HHZ. 2019-05-24T22:31:26.10 0.6 undecidable manual S 280 25.6521 105 0.37 46
IV.MML1.EHE. 2019-05-24T22:31:26.00 0.1 undecidable manual S 310 25.752 105 0.23 95
IV.MF5.EHZ. 2019-05-24T22:31:24.21 0.3 undecidable manual S 83 19.9689 109 0.37 70
IV.NRCA.HHZ. 2019-05-24T22:31:22.93 0.3 undecidable manual S 210 16.7721 112 0.13 74
IV.GUMA.HHZ. 2019-05-24T22:31:22.18 0.3 undecidable manual S 42 14.5743 115 0.08 75
IV.MML1.EHE. 2019-05-24T22:31:21.49 0.1 undecidable manual P 310 25.752 105 -0.37 92
IV.FDMO.HHZ. 2019-05-24T22:31:21.63 0.3 undecidable manual S 307 13.0758 118 -0.02 76
IV.CSP1.EHZ. 2019-05-24T22:31:21.90 0.3 undecidable manual S 356 14.0748 116 -0.07 75
IV.CESI.HHZ. 2019-05-24T22:31:21.75 0.6 undecidable manual P 280 25.6521 105 -0.09 49
IV.NRCA.HHZ. 2019-05-24T22:31:20.08 0.1 positive manual P 210 16.7721 112 -0.07 100
IT.MTCL.HGE. 2019-05-24T22:31:20.48 0.6 undecidable manual P 280 17.871 111 0.12 49
IV.MF5.EHZ. 2019-05-24T22:31:20.65 0.6 undecidable manual P 83 19.9689 109 -0.1 49
IV.MC2.EHZ. 2019-05-24T22:31:19.61 0.3 undecidable manual S 200 6.2937 137 -0.14 75
IV.GUMA.HHZ. 2019-05-24T22:31:19.64 0.6 positive manual P 42 14.5743 115 -0.1 50
IV.FDMO.HHZ. 2019-05-24T22:31:19.31 0.6 negative manual P 307 13.0758 118 -0.17 49
IV.FEMA.HNE. 2019-05-24T22:31:19.90 0.3 undecidable manual P 269 13.4754 117 0.34 71
IV.CSP1.EHZ. 2019-05-24T22:31:19.33 0.6 negative manual P 356 14.0748 116 -0.34 47
IV.MC2.EHZ. 2019-05-24T22:31:18.25 0.1 positive manual P 200 6.2937 137 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.00004321190499999999 0.2944 AML other m 2019-05-24T22:31:23.24
IV.FDMO.HHN. ML:0.6 0.000047664835 0.256 AML other m 2019-05-24T22:31:22.01
IV.CSP1.EHN. ML:0.7 0.00005276492 0.192 AML other m 2019-05-24T22:31:23.09
IV.GUMA.HHE. ML:1.3 0.0002039165 0.3584 AML other m 2019-05-24T22:31:22.75
IV.GUMA.HHN. ML:1.2 0.00015681545 0.4352 AML other m 2019-05-24T22:31:23.39
IV.GUMA.HNE. ML:1.2 0.00019155529999999999 0.3968 AML other m 2019-05-24T22:31:23.40
IV.GUMA.HNN. ML:1.8 0.0007029855499999999 0.8448 AML other m 2019-05-24T22:31:25.66
IV.NRCA.HHE. ML:1.0 0.00010463811 0.1152 AML other m 2019-05-24T22:31:23.63
IV.NRCA.HHN. ML:0.8 0.000060445655 0.1024 AML other m 2019-05-24T22:31:23.72
IV.NRCA.HNE. ML:1.0 0.00010071194 0.0896 AML other m 2019-05-24T22:31:24.07
IV.MF5.EHE. ML:0.8 0.000042939645 0.3456 AML other m 2019-05-24T22:31:24.88
IV.MF5.EHN. ML:0.8 0.000047379569999999994 0.7808 AML other m 2019-05-24T22:31:26.04
IV.CESI.HHE. ML:0.7 0.00003171941 0.32 AML other m 2019-05-24T22:31:26.44
IV.CESI.HHN. ML:0.7 0.000029355895 0.2304 AML other m 2019-05-24T22:31:28.63
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