Contact | RSS | EN | DE | EL | ES | FR | IT | RU

Light mag. 4.0 earthquake - North Pacific Ocean, 32 km southwest of Tapachula de Cordova y Ordoñez, Mexico, on Friday, Mar 17, 2023 at 6:36 pm (GMT -6) -

Light magnitude 4.0 earthquake at 75 km depth

18 Mar 00:42 UTC: First to report: INETER after 6 minutes.
18 Mar 00:49: Hypocenter depth recalculated from 41.0 to 40.0 km (from 25 to 25 mi). Epicenter location corrected by 4.8 km (3 mi) towards SSW.
18 Mar 01:00: Now using data updates from SSN

Earthquake details

Date & time	Mar 18, 2023 00:36:22 UTC -
Local time at epicenter	Friday, Mar 17, 2023 at 6:36 pm (GMT -6)
Status	Confirmed
Magnitude	4
Depth	75.4 km
Epicenter latitude / longitude	14.75°N / 92.51°W (North Pacific Ocean, Mexico)
Antipode	14.75°S / 87.49°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	SSN (Servicio Sismológico Nacional)
Nearest volcano	Tacana (60 km / 37 mi)
Nearby towns and cities	6 km (4 mi) S of San Simon (pop: 150) \| Show on map \| Quakes nearby 10 km (6 mi) WNW of Puerto Madero (Tapachula) (pop: 9,560) \| Show on map \| Quakes nearby 32 km (20 mi) WSW of Tapachula de Cordova y Ordoñez (pop: 202,700) \| Show on map \| Quakes nearby 39 km (24 mi) NW of Brisas Barra de Suchiate (pop: 13,700) \| Show on map \| Quakes nearby 39 km (24 mi) W of Ciudad Hidalgo (pop: 14,600) \| Show on map \| Quakes nearby 44 km (27 mi) S of Huixtla (pop: 32,000) \| Show on map \| Quakes nearby 46 km (29 mi) SW of Cacahoatan (Cacahoatán) (pop: 16,600) \| Show on map \| Quakes nearby 875 km (544 mi) SE of Mexico (pop: 12,294,200) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Scattered Clouds 28.2°C (83 F), humidity: 83%, wind: 0 m/s (0 kts)
Estimated seismic energy released	6.3 x 10¹⁰ joules (17.5 megawatt hours, equivalent to 15.1 tons of TNT) \| about seismic energy

Show interactive Map

[smaller] [bigger]

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
4.0	75 km	Mexico: 32 Km Al SUROESTE De TAPACHULA, CHIS	SSN
3.1	40 km	Mexico: 40 Km Al Oeste De El Gancho México	INETER
4.0	75 km	Near Coast of Chiapas, Mexico	RaspberryShake
4.0	75 km	OFFSHORE CHIAPAS, MEXICO	EMSC

Most recent quakes Top 20 past 24 hrs Quakes in Mexico

Seismograms

Seismic station: COMITAN (CCIG/MX network) | Distance from quake: 175 km / 109 mi | Show on map | Station Info

Seismic station COMITAN: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Show less

Seismic station COMITAN: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station COMITAN: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Montecristo, El Salvador (SNET/SV network) | Distance from quake: 373 km / 232 mi | Show on map | Station Info

Seismic station Montecristo, El Salvador: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Tegucigalpa, Honduras (TGUH/CU network) | Distance from quake: 569 km / 354 mi | Show on map | Station Info

Seismic station Tegucigalpa, Honduras: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Tegucigalpa, Honduras: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Tegucigalpa, Honduras: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Managua, Nicaragua (MGAN/NU network) | Distance from quake: 736 km / 457 mi | Show on map | Station Info

Seismic station Managua, Nicaragua: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Managua, Nicaragua: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Managua, Nicaragua: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Heredia, Costa Rica (HDC/G network) | Distance from quake: 1054 km / 655 mi | Show on map | Station Info

Seismic station Heredia, Costa Rica: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station Heredia, Costa Rica: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Heredia, Costa Rica: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

There are no user reports for this quake.

Earlier earthquakes in the same area

Click here to search our database for earlier earthquakes in the same area since 1900!

Try our free app!

Android | iOS version

Why is there advertising on this site?

Support us - Help us upgrade our services!

We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:

Improved multilanguage support
Tsunami alerts
Faster responsiveness

Thanks to your past donations, these features have been added recently:

Design upgrade
Detailed quake stats
Additional seismic data sources

Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS

Thank you!

Sources: VolcanoDiscovery / VolcanoAdventures and other sources as noted.
Use of material: Most text and images on our websites are owned by us. Re-use is generally not permitted without authorization. Contact us for licensing rights.

Volcanoes & Earthquakes